Storm Prediction Center RSS Feed
This is an automated feed from the Storm Prediction Center that post the following products with images:
- Tornado/Severe Thunderstorm Watches - Watch number and the link to the watch page and watch status page if issued.
- Mesoscale Discussions - MD number, images, and link to page
- Convective Outlooks - Day 1, 2, 3, and 4-8
- Fire Weather Outlooks - 1,2, and 3-8
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0655 AM CST Thu Dec 21 2023 Valid 211300Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible today across parts of southern California, southern Arizona and from north Texas into southeast Kansas. Severe thunderstorms are not expected. ...DISCUSSION... An eastern Pacific upper-level low, to the southwest of California, will move eastward today towards the northwestern coast of Baja California. Isolated thunderstorms, aided by large-scale ascent and steep mid-level lapse rates, will be possible across parts of southern Ca…
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No Mesoscale Discussions are in effect as of Thu Dec 21 11:31:02 UTC 2023.View the full article
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MD 2338 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR SOUTHERN CA COAST Mesoscale Discussion 2338 NWS Storm Prediction Center Norman OK 0356 AM CST Thu Dec 21 2023 Areas affected...Southern CA coast Concerning...Severe potential...Watch unlikely Valid 210956Z - 211130Z Probability of Watch Issuance...5 percent SUMMARY...Isolated, weakly rotating storms possible, but the severe threat remains low. DISCUSSION...Low-topped convection continues to move onshore across Ventura County within a baroclinic band east of the closed low near 33 N and 126 W. Surface observations and modified RAP model soundings suggest weak surface-based CAPE (near 500 J/kg) exte…
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CST Thu Dec 21 2023 Valid 241200Z - 291200Z ...DISCUSSION... Upper troughing is expected to extend from the High Plains into central Mexico early D4/Sunday morning. A series of shortwave troughs are expected to progress through this trough as it gradually shifts eastward. The lead shortwave in this series is expected to move across the Southeast on D5/Monday. Modest moisture will be in place and some isolated thunderstorms are possible over the Southeast as this shortwave moves through. Most of the stronger mid-level flow will lag to the west of this wave, but some overlap…
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CST Thu Dec 21 2023 Valid 241200Z - 291200Z ...DISCUSSION... Upper troughing is expected to extend from the High Plains into central Mexico early D4/Sunday morning. A series of shortwave troughs are expected to progress through this trough as it gradually shifts eastward. The lead shortwave in this series is expected to move across the Southeast on D5/Monday. Modest moisture will be in place and some isolated thunderstorms are possible over the Southeast as this shortwave moves through. Most of the stronger mid-level flow will lag to the west of this wave, but some overlap…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CST Thu Dec 21 2023 Valid 241200Z - 291200Z ...DISCUSSION... Upper troughing is expected to extend from the High Plains into central Mexico early D4/Sunday morning. A series of shortwave troughs are expected to progress through this trough as it gradually shifts eastward. The lead shortwave in this series is expected to move across the Southeast on D5/Monday. Modest moisture will be in place and some isolated thunderstorms are possible over the Southeast as this shortwave moves through. Most of the stronger mid-level flow will lag to the west of this wave, but some overlap…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CST Thu Dec 21 2023 Valid 241200Z - 291200Z ...DISCUSSION... Upper troughing is expected to extend from the High Plains into central Mexico early D4/Sunday morning. A series of shortwave troughs are expected to progress through this trough as it gradually shifts eastward. The lead shortwave in this series is expected to move across the Southeast on D5/Monday. Modest moisture will be in place and some isolated thunderstorms are possible over the Southeast as this shortwave moves through. Most of the stronger mid-level flow will lag to the west of this wave, but some overlap…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0226 AM CST Thu Dec 21 2023 Valid 231200Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are expected from the Southeast into the central and southern Plains on Saturday. Severe thunderstorms are not currently anticipated. ...Synopsis... An upper low is forecast to begin the period over eastern AZ before devolving further into an open wave while continuing northeastward over the remainder of the Southwest and into the southern/central High Plains. Another shortwave trough is expected to follow quickly in the wake of the lead wave, progres…
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0226 AM CST Thu Dec 21 2023 Valid 231200Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are expected from the Southeast into the central and southern Plains on Saturday. Severe thunderstorms are not currently anticipated. ...Synopsis... An upper low is forecast to begin the period over eastern AZ before devolving further into an open wave while continuing northeastward over the remainder of the Southwest and into the southern/central High Plains. Another shortwave trough is expected to follow quickly in the wake of the lead wave, progres…
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0226 AM CST Thu Dec 21 2023 Valid 231200Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are expected from the Southeast into the central and southern Plains on Saturday. Severe thunderstorms are not currently anticipated. ...Synopsis... An upper low is forecast to begin the period over eastern AZ before devolving further into an open wave while continuing northeastward over the remainder of the Southwest and into the southern/central High Plains. Another shortwave trough is expected to follow quickly in the wake of the lead wave, progres…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0226 AM CST Thu Dec 21 2023 Valid 231200Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are expected from the Southeast into the central and southern Plains on Saturday. Severe thunderstorms are not currently anticipated. ...Synopsis... An upper low is forecast to begin the period over eastern AZ before devolving further into an open wave while continuing northeastward over the remainder of the Southwest and into the southern/central High Plains. Another shortwave trough is expected to follow quickly in the wake of the lead wave, progres…
Last reply by NorthGeorgiaWX, -
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0102 AM CST Thu Dec 21 2023 Valid 221200Z - 231200Z ...NO CRITICAL AREAS... ...Synopsis... Multiple mid-level troughs will traverse the Intermountain West, encouraging the continuance of surface lee-troughing and chances for rain over the Mississippi Valley as well as parts of the Southwest. Over the rest of the CONUS, weak surface winds or cool temperatures will mitigate significant wildfire-spread potential. ..Squitieri.. 12/21/2023 ...Please see www.spc.noaa.gov/fire for graphic product... Read more View the full article
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0101 AM CST Thu Dec 21 2023 Valid 211200Z - 221200Z ...NO CRITICAL AREAS... ...Synopsis... Multiple mid-level troughs will traverse the western and central U.S. today, promoting appreciable precipitation accumulations over California and the Southern Plains. Meanwhile, dry air will linger over the Tennessee Valley into the Southeast. However, surface winds are expected to be weak, limiting significant wildfire-spread potential. Fire-weather conditions should also remain quiescent over the rest of the CONUS as well. ..Squitieri.. 12/21/2023 ...Please see www.s…
Last reply by NorthGeorgiaWX, -
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1253 AM CST Thu Dec 21 2023 Valid 221200Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST ARIZONA AND FAR SOUTHWEST NEW MEXICO... ...SUMMARY... Isolated thunderstorms are possible on Friday from southern California across much of the Southwest. Some hail is possible across southeast Arizona and far southwest New Mexico Friday afternoon and evening. ...Synopsis and Discussion... An upper low is expected to be centered off the southern CA coast early Friday morning. This low is forecast to steadily progress eastward throughout the day, reaching…
Last reply by NorthGeorgiaWX, -
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1253 AM CST Thu Dec 21 2023 Valid 221200Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST ARIZONA AND FAR SOUTHWEST NEW MEXICO... ...SUMMARY... Isolated thunderstorms are possible on Friday from southern California across much of the Southwest. Some hail is possible across southeast Arizona and far southwest New Mexico Friday afternoon and evening. ...Synopsis and Discussion... An upper low is expected to be centered off the southern CA coast early Friday morning. This low is forecast to steadily progress eastward throughout the day, reaching…
Last reply by NorthGeorgiaWX, -
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SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1148 PM CST Wed Dec 20 2023 Valid 211200Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible across parts of central/southern California and southern Arizona. Severe thunderstorms are not expected. ...Synopsis... A deep-layer cyclone is forecast to move slowly southeastward off of the southern CA and Baja California coast during the day, before potentially accelerating eastward late in the period. Based on the trajectory of this system, most thunderstorm activity will likely remain offshore through the day, though isolat…
Last reply by NorthGeorgiaWX, -
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SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1148 PM CST Wed Dec 20 2023 Valid 211200Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible across parts of central/southern California and southern Arizona. Severe thunderstorms are not expected. ...Synopsis... A deep-layer cyclone is forecast to move slowly southeastward off of the southern CA and Baja California coast during the day, before potentially accelerating eastward late in the period. Based on the trajectory of this system, most thunderstorm activity will likely remain offshore through the day, though isolat…
Last reply by NorthGeorgiaWX, -
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SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0650 PM CST Wed Dec 20 2023 Valid 210100Z - 211200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected for the remainder of tonight. ...Synopsis... A deep-layer cyclone off of the southern CA coast will continue to move slowly south-southeastward tonight. To the east of the low, multiple precipitation bands will continue to affect portions of southern CA, with occasional lightning flashes possible. Isolated thunderstorms will be possible across inland areas into early evening, before thunderstorm potential becomes confined to of…
Last reply by NorthGeorgiaWX, -
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0346 PM CST Wed Dec 20 2023 Valid 221200Z - 281200Z Across the CONUS, amplified and progressive mid-level flow is expected through much of the extended forecast period. Pacific troughing will move inland and continue eastward into the central US starting Friday, while transient ridging over the eastern US will gradually move offshore this weekend. Cool temperatures and unsettled weather are likely over the western and central CONUS with the passage of the upper trough and a surface cold front. Widespread precipitation is expected over the CONUS through the w…
Last reply by NorthGeorgiaWX, -
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0346 PM CST Wed Dec 20 2023 Valid 221200Z - 281200Z Across the CONUS, amplified and progressive mid-level flow is expected through much of the extended forecast period. Pacific troughing will move inland and continue eastward into the central US starting Friday, while transient ridging over the eastern US will gradually move offshore this weekend. Cool temperatures and unsettled weather are likely over the western and central CONUS with the passage of the upper trough and a surface cold front. Widespread precipitation is expected over the CONUS through the w…
Last reply by NorthGeorgiaWX, -
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0148 PM CST Wed Dec 20 2023 Valid 202000Z - 211200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible across parts of southern/central California and over portions of the Southwest. Severe weather is not expected. ...20Z Update... A band of precipitation well east of an upper low over the eastern Pacific will continue to move slowly eastward across parts of coastal central/southern CA this afternoon through tonight. Even though surface temperatures ahead of this band have warmed more than most guidance forecast across coastal …
Last reply by NorthGeorgiaWX, -
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0148 PM CST Wed Dec 20 2023 Valid 202000Z - 211200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible across parts of southern/central California and over portions of the Southwest. Severe weather is not expected. ...20Z Update... A band of precipitation well east of an upper low over the eastern Pacific will continue to move slowly eastward across parts of coastal central/southern CA this afternoon through tonight. Even though surface temperatures ahead of this band have warmed more than most guidance forecast across coastal …
Last reply by NorthGeorgiaWX, -
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0148 PM CST Wed Dec 20 2023 Valid 202000Z - 211200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible across parts of southern/central California and over portions of the Southwest. Severe weather is not expected. ...20Z Update... A band of precipitation well east of an upper low over the eastern Pacific will continue to move slowly eastward across parts of coastal central/southern CA this afternoon through tonight. Even though surface temperatures ahead of this band have warmed more than most guidance forecast across coastal …
Last reply by NorthGeorgiaWX, -
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0134 PM CST Wed Dec 20 2023 Valid 211200Z - 221200Z ...NO CRITICAL AREAS... Increasing precipitation chances and cool to mild temperatures will keep fire-weather concerns minimal over much of the CONUS. See the previous discussion. ..Lyons.. 12/20/2023 .PREV DISCUSSION... /ISSUED 1250 AM CST Wed Dec 20 2023/ ...Synopsis... Mid-level troughs will progress across the western and central CONUS tomorrow/Thursday, supporting continued low-level moisture return and precipitation across the Plains as cooler air remains in place over the eastern CONUS and Intermount…
Last reply by NorthGeorgiaWX, -
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0134 PM CST Wed Dec 20 2023 Valid 211200Z - 221200Z ...NO CRITICAL AREAS... Increasing precipitation chances and cool to mild temperatures will keep fire-weather concerns minimal over much of the CONUS. See the previous discussion. ..Lyons.. 12/20/2023 .PREV DISCUSSION... /ISSUED 1250 AM CST Wed Dec 20 2023/ ...Synopsis... Mid-level troughs will progress across the western and central CONUS tomorrow/Thursday, supporting continued low-level moisture return and precipitation across the Plains as cooler air remains in place over the eastern CONUS and Intermount…
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