Always check the creation and valid times. If one or more reports occur in a grid box, that box is assigned the value "1" for the day. published: Friday, December 08, 2023 20:42 UTC. Boren Blvd. Period of Record. Situation Report. The Dec. SPC provides severe weather and wildfire forecasts, watches, and warnings for the United States and its territories. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Portland, OR 5241 NE 122nd Avenue Portland, OR 97230-1089. Beta plumes with violin dProg/dt charts. Short Range Ensemble Forecast (SREF) Products. These products are generated using data from the NOAA Operational. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. gov web portal provides an integrated drought monitoring and forecasting system at federal, state, and local levels Climate Models NCEI, the National Centers for Environmental Prediction (NCEP), and the Geophysical Fluid Dynamics Laboratory provide remote access to high-volume numerical weather prediction and. The Eastern North Pacific hurricane season runs from May 15th through November 30th. NOAA Weather Radio Winter Weather Preparedness Weather Safety (Spanish) Beach Hazards Awareness Heat Safety. Severe weather continued through April, May, and June with 61 consecutive days with a Slight Risk or higher. Observed Sounding Archive. All SPC Forecasts Current Watches Meso. Search for: SPC NCEP All NOAA : Local forecast by "City, St" or "ZIP" SPC on Facebook @NWSSPC. Local Climate Information. All SPC Forecasts Current Watches Meso. NOAA's National Weather Service is building a Weather-Ready Nation by providing better information for better decisions to save lives and livelihoods. The High Resolution Ensemble Forecast version 3 (HREFv3) is an operational version of the SPC Storm Scale Ensemble of Opportunity (SSEO). Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States. Tornado reports are available since 1950. Issuance will resume on June 1st or as necessary. based on current weather observations and forecast models. Both 2022 and 2020 were above average, with 219 and. Active Field: SREF_H5__. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Seattle/Tacoma, WA 7600 Sand Point Way NE Seattle, WA 98115-6349. Daily Weather Map. ECMWF Ensemble Mean and Spread Output from the ECMWF 'Ensemble Prediction System' (ENS) for four parameters: mean sea level pressure, 850 hPa temperature, 850 hPa wind speed, and 500 hPa geopotential height. Severe and damaging wind is very difficult to forecast because they can be produced by any type of thunderstorm - even one that is dying. Storm Reports; Current Severe Weather Reports; Note: All of the reports below are considered preliminary and should be treated as such. Explore the latest data, research, and publications on tornadoes, derechos, and wildfires from the SPC team and collaborators. 23, 2023. Issuance will resume on May 15th or as necessary. Weather, water and climate events, cause an average of approximately 650 deaths and $15 billion in damage per year and are responsible for. $$ Forecaster Cangialosi NNNN. NOAA's National Weather Service Storm Prediction Center produced the original Probability of a Wildfire ≥ 100 acres files. NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. The data is derived from the Storm Data publication by National Weather Service field offices, with. Many of the parameters have been documented in AMS, NWA, and NWS publications. NOAA Weather Radio Winter Weather Preparedness Weather Safety (Spanish) Beach Hazards Awareness Heat Safety. Norman, OK 73072 U. Fast Access Product Selector. Local NWS forecast offices monitor and forecast severe weather for their counties of responsibility. Severe Hail. This is a map and list of tornadoes since 1950 which the National Weather Service has rated F5 (before 2007) or EF5 (equivalent, 2007 onward, the most intense damage category on the Fujita and Enhanced Fujita damage scales. Climate Prediction Center. Only issued by the SPC when there's. The occurrence of storms and other significant weather phenomena having sufficient intensity to cause loss of life, injuries, significant property damage, and/or disruption to commerce; Rare, unusual, weather phenomena that generate media attention, such as snow flurries in South Florida or the San Diego coastal area; and. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Jackson, Mississippi 234 Weather Service Dr. Observed Sounding Archive. Click Map to See All Outlook Graphics for Selected Region. High Resolution Ensemble Forecast version 2 (HREFv2) The SPC HREF Page contains advanced guidance for many weather hazards, with tabs for synoptic, severe, winter, fire, precipitation, and CAM storm attributes, that can be displayed over a CONUS domain or one of nine regional sectors. It was developed at the NCEP/Environmental Modeling Center (EMC) and is run daily at 00, 06, 12, and 18 UTC by NCEP Central Operations (NCO). Forget about the old notion of opening windows to equalize pressure; the tornado will blast open the windows for you!. on June 30, 2012, NOAA’s Storm Prediction Center received more than 1,100 preliminary reports of high wind. December 9, 2023 Tornadoes (Last Updated 300 PM Friday 12/15/23) Winter starts at 10:27pm EST (9:27pm CST) December 21. The NAD 83 realization used for SPCS zones depends on the tectonic plate where it is located: North America and Caribbean plates: NAD 83 (2011). If conditions develop that are favorable for tornadoes, SPC. (All days are valid from 12 UTC - 12 UTC the following day) Note: A severe weather area depicted in the Day 4-8 period indicates 15%, 30% or higher probability for severe thunderstorms within 25 miles of any point. Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States. 6237 ft) Last Update: 2:04 pm MST Dec 19, 2023. Middle Tennessee Weather History For December 18th. The images are created using a sounding analysis program called NSHARP. Issued: 15/0930Z. Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended. New Path for Space Weather Collaboration Among Federal Agencies. In addition to issuing tornado and severe thunderstorm watches on an as-needed basis, the SPC also produces scheduled severe weather and fire weather outlooks, as. A variety of useful tools generated at The Storm Prediction Center (SPC). Events SPC Publications. Products include map displays, model-derived soundings, and vertical cross sections. Space weather scientists at NOAA and experts across the government celebrated a new collaborative effort to improve space weather forecasts and services to mitigate impacts of space weather. Last Update: 5:55 am CST Dec 17, 2023. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. Roofs torn off frame houses; mobile homes demolished; boxcars overturned; large trees snapped or uprooted; light-object missiles generated; cars lifted off ground. They also closely monitor areas they think are at a higher risk for tornadoes. They have been thoroughly tested for compatibility with modern web browsers. Between 8 a. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. We process the data using the same routines used by the SFCOA system, resulting in a consistent set of images. SHARPpy is based on the National Oceanic and Atmospheric Administration/Storm Prediction Center’s (NOAA/SPC) in-house analysis package, SHARP, and is the result of a collaborative effort between forecasters at the SPC and students at the University of Oklahoma’s School of Meteorology. shp) file format. Increasing high clouds from the west. The major aim of SHARPpy is to provide a consistent. Diamond Shoals Light buoy (41025) reported 50. Flash Flooding. Earth had its warmest November on record. Additional reformatting steps. During the off-season, Special Tropical Weather Outlooks will be issued as conditions warrant. MRMS radar imagery. and A. *Click here to see keyboard commands. 49°W (Elev. Boren Blvd. The images are created using a sounding analysis program called NSHARP. SPC Tornado/Severe Thunderstorm Watch Page. seven day forecast for each county. NCAT currently uses NADCON* to perform three-dimensional (latitude, longitude, ellipsoid height) coordinate transformations and VERTCON* to perform orthometric height transformations. Note: A severe weather area depicted in the Day 4-8 period indicates a 15%, 30% or higher probability for severe thunderstorms (e. SPC Products All SPC Forecasts Current Watches Meso. Middle Tennessee Weather History For December 18th. to three-quarters of an inch of ice accumulated over Canadian and. Products Forecast Tools Svr. When a tornado watch is issued, think about the drill and check to make sure all your safety supplies are handy. annual average of 1,251 tornadoes. Both 2022 and 2020 were above average, with 219 and. This is the last regularly scheduled Tropical Weather Outlook of the 2023 Atlantic Hurricane Season. during Central Daylight Time this is 8:01 pm, 9:01 pm, 8:01 am, and 9:01 am). Outlooks Tstm. This example demonstrates the calculation of wind speed using the example xarray Dataset and plotting using Matplotlib. Explore the history and patterns of severe weather in the United States with this interactive tool. TIME ESTIMATED FROM RADAR. The SPC also issues forecasts for. Between 8 a. Central North Pacific (140°W to 180°) Tropical Weather Outlook. NOAA National Weather Service Milwaukee/Sullivan, WI. Heavy to excessive rainfall will occur in Southern California today. View Table Table A5. Outlooks Fire Wx Outlooks RSS Feeds E-Mail Alerts Weather Information Storm Reports Storm Reports Dev. In this case, that's the 24-hour period from 8 a. Prognostic Discussion for an explanation of terms and symbols used on these maps. The Storm Prediction Center (SPC) is a part of the National Weather Service (NWS) and is one of nine National Centers for Environmental Prediction. Fujita's scale was designed to connect smoothly the Beaufort Scale (B) with the speed of sound atmospheric scale, or Mach speed (M). Weather, water and climate events, cause an average of approximately 650 deaths and $15 billion in damage per year and are responsible for some 90 percent of. Between 8 a. Forecasts & Analyses. Printable version of 2021 U. Contacts for this resource: Matt Mosier. This Rapid Refresh page has real-time products from experimental versions of the Rapid Refresh and information on it. calc as mpcalc from metpy. The SPC products available with email updates are: Tornado/Severe Thunderstorm Watches and Watch Status updates, Mesoscale Discussions, Day 1, 2, 3 and 4-8 Convective Outlooks, Day 1, 2 and 3-8 Fire Weather Outlooks. Please see the Service Change. Note: Click for Watch Status Reports. SPCS83 (Version 2. Page loaded: 02:13 UTC | 07:13 PM Pacific | 08:13 PM Mountain | 09:13 PM Central | 10:13 PM Eastern. Flowood, MS 39232. Some structural damage to small residences and utility buildings with a minor amount of curtainwall failures. Tucson Radar. The High Resolution Ensemble Forecast version 3 (HREFv3) is an operational version of the SPC Storm Scale Ensemble of Opportunity (SSEO). Page last modified: May 15, 2023. Point Forecast: Colorado Springs CO. Printable version of Latest Annual U. NOAA National Weather Service New Orleans/Baton Rouge. Outlooks Tstm. published: Friday, December 08, 2023 20:42 UTC. Rain, mainly after 10pm. Scientific models show an accelerating trend in sea level rise, but it will take 25-30 years of observations from satellites like Jason-3 before we can confirm this trend. SEL5 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 465 NWS Storm Prediction Center Norman OK 1105 AM. Graphical Forecast. Flash flooding and mud/debris flows are possible, especially in wildfire burn scars. SPCS83 (Version 2. Issuance will resume on June 1st or as necessary. View a table of available surface maps. Products Forecast Tools Svr. Central North Pacific (140°W to 180°) Tropical Weather Outlook. Killer Tornado Statistics (AWIPS ID: STATIJ) Printable version of 2022 U. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Hailey area. The Storm Prediction Center provides an archive of severe weather events that occurred on a specific date, such as December 10, 2021. SPC Mesoscale Analysis. Note: Critical Fire Weather Criteria document in MS-Word or PDF. This web page shows the estimated probability of severe weather events, such as tornadoes, wind, and hail, for any location in the United States based on a 30. 6-10 Day Precipitation Forecast Map. Chance of precipitation is 80%. The SPC products available with email updates are: Tornado/Severe Thunderstorm Watches and Watch Status updates, Mesoscale Discussions, Day 1, 2, 3 and 4-8 Convective Outlooks, Day 1, 2 and 3-8 Fire Weather Outlooks. All SPC Forecasts Current Watches Meso. Gusty winds are also expected, as well as mountain snow above 7000 feet. Detailed Forecast. Hail and wind reports are available since 1955. Houston, TX 57 °F Partly Cloudy. Between 8 a. Note: Critical Fire Weather Criteria document in MS-Word or PDF. They are a part of the National Weather Service that issues. Currently, forecast images are only available for a selected subset of mesoanalysis data. For more information, please refer to the following links: Product. Learn about tornadoes, derechos, fire weather and other weather topics from the SPC experts. There are no tropical cyclones in the Central North Pacific at this time. An example might be: "The SPC is giving Enhanced Risk of severe weather over Oklahoma today while north Texas is in the Slight Risk category. Heavy to excessive rainfall will occur in Southern California today. Climate Prediction Center. 17°C Get Detailed info. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. annual average of 1,251 tornadoes. The following information is based on satellite. Search by city or zip code, view the hazard matrix, and access the latest news and updates from the SPC. Products Forecast Tools Svr. Products Forecast Tools Svr. No Risk Areas Forecast. Severe Hail. Each year, the United States averages some 10,000 thunderstorms, 5,000 floods, 1,300 tornadoes and 2 Atlantic hurricanes, as well as widespread droughts and wildfires. Weather Map. The daily tornado running totals for each year are then adjusted by multiplying the. Mostly Cloudy. Norman, OK 73072 U. Examples of using a variety of MetPy’s functionality together. Severe weather, tornado, thunderstorm, fire weather, storm report, tornado watch, severe thunderstorm watch, mesoscale discussion, convective outlook products. Events SPC Publications SPC-NSSL HWT. If you take a close look at the table in the upper-left of the graph, you’ll see that 10 of the past 11 years have seen below average tornado activity (since 2005), with 2022 (in red) continuing that trend. 76°W (Elev. (Data: NOAA/NWS/SPC; Graphic: Infogram) On March 3, 2019, an EF4 tornado struck Lee County, Alabama, making it the first EF4 or stronger tornado in the U. In the Northeast, river levels remain high and flooding is expected to persist. NOAA’s outlook for the 2022 Atlantic hurricane season, which extends from June 1 to November 30, predicts a 65%. Forecasts & Analyses. Graphical Forecast. Events SPC Publications SPC-NSSL HWT Education. News Headlines. NOAA National Weather Service Chicago, IL. Latest Surface Observations. Explore Iraq local news alerts & today's headlines geolocated on live map on website or application. Winds 111-130 mph (96-113 kt or 178-209 kph). Welcome to the Storm Prediction Center's "Hourly Mesoscale Analysis" page. Discussions Conv. Cloudy, with a high near 41. Widespread minor to moderate river and areal flooding will continue across portions of the Northeast through today due to heavy rainfall from the coastal storm. Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point. These new mesoscale analysis pages, implemented during the Spring of 2010, incorporate the use of layered transparent images and a javascript display system. NOAA’s outlook for the 2022 Atlantic hurricane season, which extends from June 1 to November 30, predicts a 65%. Products Forecast Tools Svr. There are no tropical cyclones in the Central North Pacific at this time. 000 AXPZ20 KNHC 230806 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Sat Dec 23 2023 Tropical Weather Discussion for the eastern Pacific Ocean from 03. Killer Tornadoes. Our agency holds key leadership roles in shaping international ocean, fisheries, climate, space and weather policies. Meteorologists estimated these probabilities from severe weather reports submitted from 1982-2011. A serious and uncommonly widespread outbreak of severe thunderstorms is expected in the eastern United. Weather Topics: Watches , Mesoscale Discussions , Outlooks , Fire Weather , All Products , Contact Us. You can view the summary, maps, reports, and outlooks of each event, and compare them with other dates and regions. The northern extent of the severe risk across the Midwest and OH Valley remains uncertain. Drought Monitor. Page loaded: 02:13 UTC | 07:13 PM Pacific | 08:13 PM Mountain | 09:13 PM Central | 10:13 PM Eastern. Only issued by the SPC when there's. NCEP Quarterly Newsletter. Peels surface off roofs; mobile homes pushed off foundations or overturned; moving autos blown off roads. Forecast Discussion. 505 crf fuel treatment, thumbzlla
Tornado/severe thunderstorm watch: watch number and the link to the watch page and watch status page if issued. . Noaa spc
The Storm Prediction Center is one of the initial participants in the NWS experimental email updates service. 371,165 likes · 760 talking about this · 940 were here. For example, storm report page for 20150430 covers reports from 20150430 at 1200 UTC to 20150501 at 1159 UTC. --- select a product --- Area Forecast Discussion Civil Emergency Message Coastal Hazards Message Coastal Waters Forecast Daily Climate Summary for Mobile Daily Climate Summary for Pensacola Drought Information Statement Fire. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. The following information is based on satellite. 18 SSE Cape Hatteras Li. Point Forecast: Minneapolis MN. Boren Blvd. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. Events SPC Publications SPC-NSSL HWT Education. Cloudy, then gradually becoming partly cloudy, with a low around 29. *Click here to see keyboard commands. Boren Blvd. Products Forecast Tools Svr. Welcome to the SVRGIS page for the SPC. A Close Call on December 8-9, 2023. The official website of the NOAA/NWS Storm Prediction Center, a federal agency that provides weather forecasts and warnings for severe weather, fire weather, and other. Windy, with a south wind 22 to 24 mph becoming west in the afternoon. Facebook posts do not always reflect the most current information. This value is also the max trend line value at 2007 that was combined with the individual delta value for each year to adjust all annual totals in the data set. Events SPC Publications SPC-NSSL HWT Education. This is the last regularly scheduled Tropical Weather Outlook of the 2023 Atlantic Hurricane Season. To obtain official reports of severe weather, please contact the National Climatic Data Center (NCDC). At each of these stations, there is information plotted according to the model which is shown above. Welcome to the Storm Prediction Center's "Hourly Mesoscale Analysis" page. The major aim of SHARPpy is to provide a consistent. Outlooks Tstm. A slow-moving storm system will bring more heavy rainfall to Southern California until Friday, creating a risk of additional flooding in the region. The fields shown are calculated. During the off-season, Special Tropical Weather Outlooks will be issued as conditions warrant. Welcome to the Storm Prediction Center's "Hourly Mesoscale Analysis" page. West wind 5 to 10 mph. Please refer to the U. 5830 University Research Court. Reports for each day are put onto a grid 80 km x 80 km. Click Map to See All Outlook Graphics for Selected Region. Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended. The images are updated every 3 hours. This Rapid Refresh page has real-time products from experimental versions of the Rapid Refresh and information on it. Many thanks to the staff there for developing the prototype and assisting in the transition to CPC. Sigma to Pressure Interpolation. December 9, 2023 Tornadoes (Last Updated 300 PM Friday 12/15/23) Winter starts at 10:27pm EST (9:27pm CST) December 21. SPC AC 171246 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0646 AM CST Sun Dec 17 2023 Valid 171300Z - 181200Z. 1950 to 1995: Tornado Data from the Storm Prediction Center 1959 to 1995: Thunderstorm Wind and Hail Data from the Storm Prediction Center These data were collected by the National Weather Service through the years listed and placed in the Climatological National Summary from 1950-1980 and the Storm Data Publication from 1959-1995. 46°W (Elev. All SPC Forecasts Current Watches Meso. Cloudy, then gradually becoming partly cloudy, with a low around 29. Discussions Conv. The UA maps are generated at 0101, 0201, 1301, and 1401 UTC (i. The fields shown are calculated. Valid December 21, 2023 - December 25, 2023. TIME ESTIMATED FROM RADAR. Dust, leaves, and loose paper lifted, small tree branches move. All SPC Forecasts Current Watches Meso. Active Model Run: latest. Storm Prediction Center Publications. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 24 mph. The Rapid Refresh is a high-frequency weather forecast (numerical weather prediction) and data assimilation system, planned to replace the RUC in NCEP operations by early 2010. gov web portal provides an integrated drought monitoring and forecasting system at federal, state, and local levels Climate Models NCEI, the National Centers for Environmental Prediction (NCEP), and the Geophysical Fluid Dynamics Laboratory provide remote access to high-volume numerical weather prediction and. Period of Record. White areas have equal chances for a relatively cool. Learn more about these NDFD graphics. Follow us on Twitter Follow us on Facebook Follow us on YouTube LCH RSS Feed Forecasts Aviation Weather Graphical Forecasts Fire Weather Forecaster's Discussion Local Products Model Data. Convective Day 1,2,3 & 4-8. view past news. Outlooks Tstm. Others are currently being evaluated and tested for their utility. NOAA’s mission to better understand our natural world and help protect its precious resources extends beyond national borders to monitor global weather and climate, and work with partners around the world. Day 4-7 Outlook. A complete list of papers lead-authored or co-authored by current SPC staff members is available as well, in addition to the papers provided below that were written at SPC. Norman, OK 73072 U. These scales are useful to users of our products and those who are interested in space weather effects. Observed TEMP, DEWP, RHUM, & WIND plotted near WFO sites only. Beaufort Wind Scale. The Dec. Norman, OK 73072 U. There are no tropical cyclones in the Central North Pacific at this time. NOAA / National Weather Service. Please refer to the U. 1) Converts NAD 83 State Plane Coordinates to NAD 83 geographic positions (latitudes and longitudes) and vice versa. Situation Report. Hailey Weather Forecasts. Page Author: Climate Prediction Center Internet Team. and Imy, and NOAA/SPC for Jirak and Karstens. All SPC Forecasts Current Watches Meso. The Michigan State University press release points out. NCEP Quarterly Newsletter. Widespread minor to moderate river and areal flooding will continue across portions of the Northeast through today due to heavy rainfall from the coastal storm. The previous EF4. (noaa/spc) In the upper Midwest, not so much. April produced the highest number of confirmed tornadoes (351). a 15%, 30% chance that a severe thunderstorm will occur within 25 miles of any point). Day ½–2½. SPC Tornado/Severe Thunderstorm Watch Page. O ne hundred and twenty-two tornadoes have been confirmed for what's called the March 31 convective day by SPC. Search for: SPC NCEP All NOAA : Local forecast by "City, St" or "ZIP" SPC on Facebook @NWSSPC. Space weather scientists at NOAA and experts across the government celebrated a new collaborative effort to improve space weather forecasts and services to mitigate impacts of space weather. Norman, OK 73072 U. According to Dr. Issued: 172129Z. Norman, OK 73072 U. NOAA NWS Storm Prediction Center, Norman, Oklahoma. Explore the history and patterns of severe weather in the United States with this interactive tool. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. *To see the change in SREF_H5__ for a specific time over past model runs, click the image. Outlooks Tstm. Excessive Rainfall Forecast. Storm Prediction Center Publications. Weather Topics: Watches , Mesoscale Discussions , Outlooks , Fire Weather , All Products , Contact Us. A "high risk" severe weather outlook is one of the most urgent messages NOAA's Storm Prediction Center (SPC) can give hours before a severe weather outbreak. When a tornado watch is issued, think about the drill and check to make sure all your safety supplies are handy. A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. . camaras ocultas porn