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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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0356 AM CST Thu Dec 14 2023 Valid 171200Z - 221200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential continues on D4, centered on parts of FL to the eastern Carolinas. Overall consensus continues the trend for further cyclogenesis on D4 with potential phasing of three northern and southern stream impulses into an amplified shortwave trough over the Southeast. This may further interact with an amplifying shortwave trough digging from the Canadian Prairies across the Upper Midwest to OH Valley late D4 to D5. The large spread in…
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0356 AM CST Thu Dec 14 2023 Valid 171200Z - 221200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential continues on D4, centered on parts of FL to the eastern Carolinas. Overall consensus continues the trend for further cyclogenesis on D4 with potential phasing of three northern and southern stream impulses into an amplified shortwave trough over the Southeast. This may further interact with an amplifying shortwave trough digging from the Canadian Prairies across the Upper Midwest to OH Valley late D4 to D5. The large spread in…
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0356 AM CST Thu Dec 14 2023 Valid 171200Z - 221200Z ...DISCUSSION... An area-of-interest for at least low probability tornado and damaging wind potential continues on D4, centered on parts of FL to the eastern Carolinas. Overall consensus continues the trend for further cyclogenesis on D4 with potential phasing of three northern and southern stream impulses into an amplified shortwave trough over the Southeast. This may further interact with an amplifying shortwave trough digging from the Canadian Prairies across the Upper Midwest to OH Valley late D4 to D5. The large spread in…
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 14 2023 Valid 161200Z - 171200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER THE FL PENINSULA... ...SUMMARY... A low confidence forecast exists for Saturday evening/night, but nocturnal tornado potential remains apparent across the Florida Peninsula. ...FL vicinity... A complex synoptic pattern with much greater-than-normal spread exists across the suite of ensemble and deterministic guidance. The degree of phasing between southern and northern-stream shortwave troughs over the central states is quite varied. Uncertainty also exists with how…
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0226 AM CST Thu Dec 14 2023 Valid 161200Z - 171200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER THE FL PENINSULA... ...SUMMARY... A low confidence forecast exists for Saturday evening/night, but nocturnal tornado potential remains apparent across the Florida Peninsula. ...FL vicinity... A complex synoptic pattern with much greater-than-normal spread exists across the suite of ensemble and deterministic guidance. The degree of phasing between southern and northern-stream shortwave troughs over the central states is quite varied. Uncertainty also exists with how…
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0208 AM CST Thu Dec 14 2023 Valid 151200Z - 161200Z ...NO CRITICAL AREAS... ...Synopsis... The upper-level trough in the southern Plains will continue east on Friday. This feature will eventually phase with another shortwave trough digging southward through the northern/central Plains. As on Friday, surface high pressure will continue to be prevalent to the east and west of the upper-level system. Between cooler temperatures, light winds, and precipitation, fire weather concerns are expected to remain minimal for most areas. Locally elevated fire weather is aga…
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0208 AM CST Thu Dec 14 2023 Valid 151200Z - 161200Z ...NO CRITICAL AREAS... ...Synopsis... The upper-level trough in the southern Plains will continue east on Friday. This feature will eventually phase with another shortwave trough digging southward through the northern/central Plains. As on Friday, surface high pressure will continue to be prevalent to the east and west of the upper-level system. Between cooler temperatures, light winds, and precipitation, fire weather concerns are expected to remain minimal for most areas. Locally elevated fire weather is aga…
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0132 AM CST Thu Dec 14 2023 Valid 141200Z - 151200Z ...NO CRITICAL AREAS... ...Synopsis... An upper-level trough will eject into the southern Plains today. Other than just ahead of the trough, surface high pressure will be present across the CONUS. Fire weather concerns should remain minimal across most areas due to cooler temperatures, light winds, and precipitation. With high pressure remaining in the West, offshore flow will continue in southern California. Given only a modest offshore gradient and little in the way of upper-level wind support, any elevated …
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1241 AM CST Thu Dec 14 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 support a swath of elevated convection likely persisting through the period. This activity should be centered on north to west-central TX at 12Z Friday and gradually progress east-southeast into the Sabine Valley to Mid/Upper TX Gulf Coast by early Saturday. Elevated parcels should consis…
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1241 AM CST Thu Dec 14 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 support a swath of elevated convection likely persisting through the period. This activity should be centered on north to west-central TX at 12Z Friday and gradually progress east-southeast into the Sabine Valley to Mid/Upper TX Gulf Coast by early Saturday. Elevated parcels should consis…
Last reply by NorthGeorgiaWX, -
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SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1139 PM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through tonight across the contiguous United States. ...Synopsis... A mid-level low will move eastward across northern NM and into the TX Panhandle during the period. An associated cold pocket, featuring 500 mb temperatures in the -22 to -24 deg C range, will overspread areas from west to east across the I-40 corridor in NM and TX. Ascent via the disturbance and cold mid levels will support sporadic isolated thunderstorm acti…
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SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0644 PM CST Wed Dec 13 2023 Valid 140100Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms will not occur through tonight across the contiguous United States. ...Synopsis... Water-vapor imagery early this evening shows a closed mid/upper-level low migrating slowly eastward over the Four Corners. Steepening lapse rates via mid-level cold-air advection and ascent ahead of the aforementioned upper low, will support widely spaced thunderstorm activity tonight over the Four Corners. Isolated thunderstorms are also possible over the south…
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0245 PM CST Wed Dec 13 2023 Valid 151200Z - 211200Z Fire weather potential remains limited through the extended period. Long-range guidance shows reasonably good agreement in the eastward migration of the upper low currently over the lower CO River Valley into the Southeast over the next several days. This will bring widespread rain chances across the southern Plains into the Gulf Coast states where an unseasonably air mass is currently in place. An amplification of the upper trough building over the West Coast appears likely as it shifts east over the centr…
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SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0245 PM CST Wed Dec 13 2023 Valid 151200Z - 211200Z Fire weather potential remains limited through the extended period. Long-range guidance shows reasonably good agreement in the eastward migration of the upper low currently over the lower CO River Valley into the Southeast over the next several days. This will bring widespread rain chances across the southern Plains into the Gulf Coast states where an unseasonably air mass is currently in place. An amplification of the upper trough building over the West Coast appears likely as it shifts east over the centr…
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0135 PM CST Wed Dec 13 2023 Valid 132000Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered, generally weak, thunderstorm activity remains possible late this afternoon through tonight across parts of the Four Corners and southern Rockies into the Texas South Plains and Panhandle vicinity. ...20Z Update... ...Florida... Cloud cover and rain across much of the southeastern Florida Peninsula and Keys have contributed to the maintenance of a generally stable boundary layer, with little forcing in lower-levels to support an appreciable risk for thun…
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0135 PM CST Wed Dec 13 2023 Valid 132000Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered, generally weak, thunderstorm activity remains possible late this afternoon through tonight across parts of the Four Corners and southern Rockies into the Texas South Plains and Panhandle vicinity. ...20Z Update... ...Florida... Cloud cover and rain across much of the southeastern Florida Peninsula and Keys have contributed to the maintenance of a generally stable boundary layer, with little forcing in lower-levels to support an appreciable risk for thun…
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0135 PM CST Wed Dec 13 2023 Valid 132000Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered, generally weak, thunderstorm activity remains possible late this afternoon through tonight across parts of the Four Corners and southern Rockies into the Texas South Plains and Panhandle vicinity. ...20Z Update... ...Florida... Cloud cover and rain across much of the southeastern Florida Peninsula and Keys have contributed to the maintenance of a generally stable boundary layer, with little forcing in lower-levels to support an appreciable risk for thun…
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0127 PM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO CRITICAL AREAS... The previous forecast remains on track; fire weather potential will remain limited based on recent ensemble solutions. See the previous discussion for additional details. ..Moore.. 12/13/2023 .PREV DISCUSSION... /ISSUED 0132 AM CST Wed Dec 13 2023/ ...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 precip…
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0127 PM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO CRITICAL AREAS... The previous forecast remains on track; fire weather potential will remain limited based on recent ensemble solutions. See the previous discussion for additional details. ..Moore.. 12/13/2023 .PREV DISCUSSION... /ISSUED 0132 AM CST Wed Dec 13 2023/ ...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 precip…
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 0127 PM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO CRITICAL AREAS... The previous forecast remains on track; fire weather potential will remain limited based on recent ensemble solutions. See the previous discussion for additional details. ..Moore.. 12/13/2023 .PREV DISCUSSION... /ISSUED 0132 AM CST Wed Dec 13 2023/ ...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 precip…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1055 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S., Thursday through Thursday night. ...Discussion... Seasonably high heights associated with general large-scale mid-level ridging appear likely to prevail across much of the U.S. and Canada through this period, with the most pronounced mid-level height anomalies shifting east-southeastward into the Great Lakes region, in the wake of at least a pair of short wave troughs progressing off the Atlantic…
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1055 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S., Thursday through Thursday night. ...Discussion... Seasonably high heights associated with general large-scale mid-level ridging appear likely to prevail across much of the U.S. and Canada through this period, with the most pronounced mid-level height anomalies shifting east-southeastward into the Great Lakes region, in the wake of at least a pair of short wave troughs progressing off the Atlantic…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1055 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S., Thursday through Thursday night. ...Discussion... Seasonably high heights associated with general large-scale mid-level ridging appear likely to prevail across much of the U.S. and Canada through this period, with the most pronounced mid-level height anomalies shifting east-southeastward into the Great Lakes region, in the wake of at least a pair of short wave troughs progressing off the Atlantic…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1055 AM CST Wed Dec 13 2023 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S., Thursday through Thursday night. ...Discussion... Seasonably high heights associated with general large-scale mid-level ridging appear likely to prevail across much of the U.S. and Canada through this period, with the most pronounced mid-level height anomalies shifting east-southeastward into the Great Lakes region, in the wake of at least a pair of short wave troughs progressing off the Atlantic…
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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…
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