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
8,416 topics in this forum
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1017 AM CST Wed Dec 13 2023 Valid 131630Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis/Discussion... A closed mid/upper-level low will continue eastward over the Four Corners area and southern Rockies through tonight, removed from a more progressive belt of westerlies over the northern tier of the CONUS and Canada. Steepening lapse rates and ascent ahead of the aforementioned upper l…
Last reply by NorthGeorgiaWX, -
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1017 AM CST Wed Dec 13 2023 Valid 131630Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis/Discussion... A closed mid/upper-level low will continue eastward over the Four Corners area and southern Rockies through tonight, removed from a more progressive belt of westerlies over the northern tier of the CONUS and Canada. Steepening lapse rates and ascent ahead of the aforementioned upper l…
Last reply by NorthGeorgiaWX, -
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1017 AM CST Wed Dec 13 2023 Valid 131630Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis/Discussion... A closed mid/upper-level low will continue eastward over the Four Corners area and southern Rockies through tonight, removed from a more progressive belt of westerlies over the northern tier of the CONUS and Canada. Steepening lapse rates and ascent ahead of the aforementioned upper l…
Last reply by NorthGeorgiaWX, -
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0908 AM CST Wed Dec 13 2023 Valid 131700Z - 141200Z ...NO CRITICAL AREAS... The previous forecast remains on track with no changes needed. Latest surface observations along the southern CA coast show winds gusting between 30-40 mph, but RH has generally remained above 30%. Some diurnal RH reduction is anticipated this afternoon, and may result in localized fire weather concerns (mainly over Ventura and LA counties). However, the potential for more widespread elevated conditions remains too limited for highlights. ..Moore.. 12/13/2023 .PREV DISCUSSION... /ISSU…
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0908 AM CST Wed Dec 13 2023 Valid 131700Z - 141200Z ...NO CRITICAL AREAS... The previous forecast remains on track with no changes needed. Latest surface observations along the southern CA coast show winds gusting between 30-40 mph, but RH has generally remained above 30%. Some diurnal RH reduction is anticipated this afternoon, and may result in localized fire weather concerns (mainly over Ventura and LA counties). However, the potential for more widespread elevated conditions remains too limited for highlights. ..Moore.. 12/13/2023 .PREV DISCUSSION... /ISSU…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 AM CST Wed Dec 13 2023 Valid 131300Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms will be possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis... A closed midlevel low will move slowly eastward over northern AZ toward NM by Thursday morning. Surface ridging and an associated cool air mass will be maintained across most of the central and eastern CONUS, beneath confluent midlevel flow. This low-level flow regime will limit substantial b…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 AM CST Wed Dec 13 2023 Valid 131300Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms will be possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis... A closed midlevel low will move slowly eastward over northern AZ toward NM by Thursday morning. Surface ridging and an associated cool air mass will be maintained across most of the central and eastern CONUS, beneath confluent midlevel flow. This low-level flow regime will limit substantial b…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 AM CST Wed Dec 13 2023 Valid 131300Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms will be possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis... A closed midlevel low will move slowly eastward over northern AZ toward NM by Thursday morning. Surface ridging and an associated cool air mass will be maintained across most of the central and eastern CONUS, beneath confluent midlevel flow. This low-level flow regime will limit substantial b…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 AM CST Wed Dec 13 2023 Valid 131300Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms will be possible through tonight from the Four Corners into west Texas, and across parts of south Florida. Severe storms are not expected. ...Synopsis... A closed midlevel low will move slowly eastward over northern AZ toward NM by Thursday morning. Surface ridging and an associated cool air mass will be maintained across most of the central and eastern CONUS, beneath confluent midlevel flow. This low-level flow regime will limit substantial b…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0341 AM CST Wed Dec 13 2023 Valid 161200Z - 211200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential exists late D4 to early D6 over the eastern Gulf to South Atlantic States. Confidence remains too low to warrant a 15 percent severe probability highlight for a specific day and mesoscale-focused area. 00Z deterministic guidance trends support gradually increasing agreement over the past several days with pronounced cyclogenesis in the eastern Gulf to on/off the South Atlantic Coast during D4-6. Multiple synoptic-scale interacti…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0341 AM CST Wed Dec 13 2023 Valid 161200Z - 211200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential exists late D4 to early D6 over the eastern Gulf to South Atlantic States. Confidence remains too low to warrant a 15 percent severe probability highlight for a specific day and mesoscale-focused area. 00Z deterministic guidance trends support gradually increasing agreement over the past several days with pronounced cyclogenesis in the eastern Gulf to on/off the South Atlantic Coast during D4-6. Multiple synoptic-scale interacti…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0341 AM CST Wed Dec 13 2023 Valid 161200Z - 211200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential exists late D4 to early D6 over the eastern Gulf to South Atlantic States. Confidence remains too low to warrant a 15 percent severe probability highlight for a specific day and mesoscale-focused area. 00Z deterministic guidance trends support gradually increasing agreement over the past several days with pronounced cyclogenesis in the eastern Gulf to on/off the South Atlantic Coast during D4-6. Multiple synoptic-scale interacti…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0146 AM CST Wed Dec 13 2023 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Friday. ...Central to east TX... Pronounced forcing for ascent ahead of a slow-moving shortwave trough over the southern Great Plains will likely support a continued swath of elevated convection. This activity should be centered on north to west-central TX at 12Z Friday and gradually progress east-southeast into the Sabine Valley to Upper TX Gulf Coast by early Saturday. Elevated parcels should consist of minimal to meager b…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0146 AM CST Wed Dec 13 2023 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Friday. ...Central to east TX... Pronounced forcing for ascent ahead of a slow-moving shortwave trough over the southern Great Plains will likely support a continued swath of elevated convection. This activity should be centered on north to west-central TX at 12Z Friday and gradually progress east-southeast into the Sabine Valley to Upper TX Gulf Coast by early Saturday. Elevated parcels should consist of minimal to meager b…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0146 AM CST Wed Dec 13 2023 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Friday. ...Central to east TX... Pronounced forcing for ascent ahead of a slow-moving shortwave trough over the southern Great Plains will likely support a continued swath of elevated convection. This activity should be centered on north to west-central TX at 12Z Friday and gradually progress east-southeast into the Sabine Valley to Upper TX Gulf Coast by early Saturday. Elevated parcels should consist of minimal to meager b…
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 0132 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO CRITICAL AREAS... ...Synopsis... The cutoff low within the Four Corners will become an open wave and eject into the southern Plains on Thursday. High pressure at the surface is still expected to remain expansive. Cooler temperatures, light winds, and precipitation will again keep fire weather concerns at a minimum for most areas. Offshore flow will continue in southern California, but without greater upper-level wind support, concerns will remain localized. ..Wendt.. 12/13/2023 ...Please see www.spc.no…
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0131 AM CST Wed Dec 13 2023 Valid 131200Z - 141200Z ...NO CRITICAL AREAS... ...Synopsis... The CONUS will generally be under the influence of an upper-level ridge today. A cutoff low will slowly progress eastward toward the Four Corners, becoming more of an open wave in the process. At the surface, high pressure will be present across the vast majority of the CONUS. Cooler temperatures, light winds, and precipitation will keep fire weather concerns low for most areas. Some locally elevated fire weather may occur in southern California as modest offshore flow pe…
Last reply by NorthGeorgiaWX, -
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1239 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Thursday. ...NM and West TX... A shortwave trough will steadily move east across NM into northwest TX by early Friday. A persistent low-level warm theta-e advection regime in conjunction with mid-level DCVA/height falls ahead of the trough will support a nearly continuous swath of elevated convection during the period. This will gradually shift eastward from east NM Thursday morning towards west-central TX early Friday. Elev…
Last reply by NorthGeorgiaWX, -
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1239 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Thursday. ...NM and West TX... A shortwave trough will steadily move east across NM into northwest TX by early Friday. A persistent low-level warm theta-e advection regime in conjunction with mid-level DCVA/height falls ahead of the trough will support a nearly continuous swath of elevated convection during the period. This will gradually shift eastward from east NM Thursday morning towards west-central TX early Friday. Elev…
Last reply by NorthGeorgiaWX, -
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SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1153 PM CST Tue Dec 12 2023 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible today from the Four Corners into west Texas, and across parts of south Florida. No severe threat is expected. ...DISCUSSION... An upper-level low and an associated trough, will move slowly eastward across the Desert Southwest today. Ahead of the system, mid-level flow will be southwesterly across much of the south-central U.S. Large-scale ascent associated with the approaching system, may support isolated thunderstorm development acro…
Last reply by NorthGeorgiaWX, -
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SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1153 PM CST Tue Dec 12 2023 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible today from the Four Corners into west Texas, and across parts of south Florida. No severe threat is expected. ...DISCUSSION... An upper-level low and an associated trough, will move slowly eastward across the Desert Southwest today. Ahead of the system, mid-level flow will be southwesterly across much of the south-central U.S. Large-scale ascent associated with the approaching system, may support isolated thunderstorm development acro…
Last reply by NorthGeorgiaWX, -
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SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0647 PM CST Tue Dec 12 2023 Valid 130100Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible this evening into tonight across parts of the southern High Plains. ...DISCUSSION... An upper-level trough will move across the Desert Southwest this evening, as southwesterly mid-level flow remains over the southern Rockies and southern High Plains. A 40 to 50 knot low-level jet will strengthen across west Texas. Lift associated with the low-level jet, along with large-scale ascent ahead of the approaching system, will make …
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0228 PM CST Tue Dec 12 2023 Valid 141200Z - 201200Z Fire weather potential continues to appear limited for the duration of the extended period. Recent surface observations show a strengthening surface high over the central Plains. This feature will continue to amplify over the coming day as it migrates into the eastern third of the country. Latest water-vapor imagery also depicts an upper disturbance drifting southeast from the Great Basin into the Four Corners region. This feature will introduce widespread rain chances across the southern High Plains to the…
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0228 PM CST Tue Dec 12 2023 Valid 141200Z - 201200Z Fire weather potential continues to appear limited for the duration of the extended period. Recent surface observations show a strengthening surface high over the central Plains. This feature will continue to amplify over the coming day as it migrates into the eastern third of the country. Latest water-vapor imagery also depicts an upper disturbance drifting southeast from the Great Basin into the Four Corners region. This feature will introduce widespread rain chances across the southern High Plains to the…
Last reply by NorthGeorgiaWX, -
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0154 PM CST Tue Dec 12 2023 Valid 122000Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk of thunderstorms appears negligible across much of the U.S. through daybreak Wednesday. ...20Z Update... Forecast soundings suggest that moistening supportive of very weak CAPE across the Texas South Plains vicinity tonight will be largely rooted near or above 700 mb. The extent of any potential for warm advection driven convection to produce lightning remains unclear. However, the categorical thunderstorm line (10 percent probability) has been adjusted s…
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