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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 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0148 PM CST Fri Dec 22 2023 Valid 222000Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA AND INTERIOR SOUTHERN CALIFORNIA... ...SUMMARY... Isolated hail and gusty winds remain possible this afternoon and evening across parts of southern Arizona and vicinity. ...20Z Update... No changes have been made to the Marginal Risk. The potential for isolated hail and gusty winds continues with any robust convection that can move from northwest Mexico into southern AZ this afternoon and evening. ..Gleason.. 12/22/2023 .PREV DISCUSSION…
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 Fri Dec 22 2023 Valid 222000Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA AND INTERIOR SOUTHERN CALIFORNIA... ...SUMMARY... Isolated hail and gusty winds remain possible this afternoon and evening across parts of southern Arizona and vicinity. ...20Z Update... No changes have been made to the Marginal Risk. The potential for isolated hail and gusty winds continues with any robust convection that can move from northwest Mexico into southern AZ this afternoon and evening. ..Gleason.. 12/22/2023 .PREV DISCUSSION…
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 0103 PM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...NO CRITICAL AREAS... The forecast remains on track. For details, see the previous discussion below. ..Weinman.. 12/22/2023 .PREV DISCUSSION... /ISSUED 1157 PM CST Thu Dec 21 2023/ ...Synopsis... Some breezy conditions are likely on Saturday across the central Plains and Southwest as a lee cyclone develops. However, significant moisture will also accompany this cyclone with widespread wetting rain expected. Elsewhere, fuels remain moist with cool and/or moist conditions. Therefore, fire-weather conditions…
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 0103 PM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...NO CRITICAL AREAS... The forecast remains on track. For details, see the previous discussion below. ..Weinman.. 12/22/2023 .PREV DISCUSSION... /ISSUED 1157 PM CST Thu Dec 21 2023/ ...Synopsis... Some breezy conditions are likely on Saturday across the central Plains and Southwest as a lee cyclone develops. However, significant moisture will also accompany this cyclone with widespread wetting rain expected. Elsewhere, fuels remain moist with cool and/or moist conditions. Therefore, fire-weather conditions…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1124 AM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe thunderstorms capable of producing hail and strong/gusty winds appear possible across parts of the southern High Plains, mainly Saturday afternoon and evening. ...Southern High Plains... Large-scale upper troughing will encompass much of the western states on Saturday. A southern-stream shortwave trough is expected to move eastward from the Southwest across the southern/central High Plans through t…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1124 AM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe thunderstorms capable of producing hail and strong/gusty winds appear possible across parts of the southern High Plains, mainly Saturday afternoon and evening. ...Southern High Plains... Large-scale upper troughing will encompass much of the western states on Saturday. A southern-stream shortwave trough is expected to move eastward from the Southwest across the southern/central High Plans through t…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1124 AM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe thunderstorms capable of producing hail and strong/gusty winds appear possible across parts of the southern High Plains, mainly Saturday afternoon and evening. ...Southern High Plains... Large-scale upper troughing will encompass much of the western states on Saturday. A southern-stream shortwave trough is expected to move eastward from the Southwest across the southern/central High Plans through t…
Last reply by NorthGeorgiaWX, -
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1124 AM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe thunderstorms capable of producing hail and strong/gusty winds appear possible across parts of the southern High Plains, mainly Saturday afternoon and evening. ...Southern High Plains... Large-scale upper troughing will encompass much of the western states on Saturday. A southern-stream shortwave trough is expected to move eastward from the Southwest across the southern/central High Plans through t…
Last reply by NorthGeorgiaWX, -
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1022 AM CST Fri Dec 22 2023 Valid 221630Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST CALIFORNIA AND SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona and vicinity. ...Southwest US... Morning water vapor loop shows a compact upper-low off the coast to the southwest of San Diego, CA. A 70+ knot mid-level jet max is rotating around the base of the low, and will overspread northwest Mexico and into southern …
Last reply by NorthGeorgiaWX, -
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1022 AM CST Fri Dec 22 2023 Valid 221630Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST CALIFORNIA AND SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona and vicinity. ...Southwest US... Morning water vapor loop shows a compact upper-low off the coast to the southwest of San Diego, CA. A 70+ knot mid-level jet max is rotating around the base of the low, and will overspread northwest Mexico and into southern …
Last reply by NorthGeorgiaWX, -
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1022 AM CST Fri Dec 22 2023 Valid 221630Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST CALIFORNIA AND SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona and vicinity. ...Southwest US... Morning water vapor loop shows a compact upper-low off the coast to the southwest of San Diego, CA. A 70+ knot mid-level jet max is rotating around the base of the low, and will overspread northwest Mexico and into southern …
Last reply by NorthGeorgiaWX, -
- 0 replies
- 134 views
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1022 AM CST Fri Dec 22 2023 Valid 221630Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST CALIFORNIA AND SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona and vicinity. ...Southwest US... Morning water vapor loop shows a compact upper-low off the coast to the southwest of San Diego, CA. A 70+ knot mid-level jet max is rotating around the base of the low, and will overspread northwest Mexico and into southern …
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 1023 AM CST Fri Dec 22 2023 Valid 221700Z - 231200Z ...NO CRITICAL AREAS... The forecast remains on track. For details, see the previous discussion below. ..Weinman.. 12/22/2023 .PREV DISCUSSION... /ISSUED 1157 PM CST Thu Dec 21 2023/ ...Synopsis... Fuels remain mostly moist across the CONUS. In addition, cool and/or dry conditions will prevail today across most of the CONUS. Therefore, fire-weather concerns remain minimal. Wetting rain and mountain snow is expected across Arizona today which will further delay any fire-weather concerns across the region d…
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 1023 AM CST Fri Dec 22 2023 Valid 221700Z - 231200Z ...NO CRITICAL AREAS... The forecast remains on track. For details, see the previous discussion below. ..Weinman.. 12/22/2023 .PREV DISCUSSION... /ISSUED 1157 PM CST Thu Dec 21 2023/ ...Synopsis... Fuels remain mostly moist across the CONUS. In addition, cool and/or dry conditions will prevail today across most of the CONUS. Therefore, fire-weather concerns remain minimal. Wetting rain and mountain snow is expected across Arizona today which will further delay any fire-weather concerns across the region d…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 AM CST Fri Dec 22 2023 Valid 221300Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona. ...Synopsis... A closed, mid/upper-level cyclone was apparent in moisture-channel imagery offshore from southern CA and northern Baja -- centered about 200-225 nm west-southwest of SAN. Separately, a strong, northern-stream shortwave trough was evident just offshore from the Pacific Northwest. The northern…
Last reply by NorthGeorgiaWX, -
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 AM CST Fri Dec 22 2023 Valid 221300Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona. ...Synopsis... A closed, mid/upper-level cyclone was apparent in moisture-channel imagery offshore from southern CA and northern Baja -- centered about 200-225 nm west-southwest of SAN. Separately, a strong, northern-stream shortwave trough was evident just offshore from the Pacific Northwest. The northern…
Last reply by NorthGeorgiaWX, -
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- 128 views
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 AM CST Fri Dec 22 2023 Valid 221300Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona. ...Synopsis... A closed, mid/upper-level cyclone was apparent in moisture-channel imagery offshore from southern CA and northern Baja -- centered about 200-225 nm west-southwest of SAN. Separately, a strong, northern-stream shortwave trough was evident just offshore from the Pacific Northwest. The northern…
Last reply by NorthGeorgiaWX, -
- 0 replies
- 74 views
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 AM CST Fri Dec 22 2023 Valid 221300Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN ARIZONA... ...SUMMARY... Isolated large hail and strong-severe gusts are possible from midday into evening across parts of southern Arizona. ...Synopsis... A closed, mid/upper-level cyclone was apparent in moisture-channel imagery offshore from southern CA and northern Baja -- centered about 200-225 nm west-southwest of SAN. Separately, a strong, northern-stream shortwave trough was evident just offshore from the Pacific Northwest. The northern…
Last reply by NorthGeorgiaWX, -
- 0 replies
- 138 views
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0251 AM CST Fri Dec 22 2023 Valid 251200Z - 301200Z ...DISCUSSION... Medium-range forecast guidance is in fairly good agreement for much of the Day 4-8 period. General consensus is that a closed upper low will develop over the Midwest and gradually shift east/northeast toward the Great Lakes with time. Large-scale upper troughing will persist east of the Mississippi River through Day 8/Fri. At the same time, an upper ridge will develop and shift east across the western half of the CONUS. At the surface, low pressure and attendant cold front will develop east in tandem with the upp…
Last reply by NorthGeorgiaWX, -
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0251 AM CST Fri Dec 22 2023 Valid 251200Z - 301200Z ...DISCUSSION... Medium-range forecast guidance is in fairly good agreement for much of the Day 4-8 period. General consensus is that a closed upper low will develop over the Midwest and gradually shift east/northeast toward the Great Lakes with time. Large-scale upper troughing will persist east of the Mississippi River through Day 8/Fri. At the same time, an upper ridge will develop and shift east across the western half of the CONUS. At the surface, low pressure and attendant cold front will develop east in tandem with the upp…
Last reply by NorthGeorgiaWX, -
- 0 replies
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0251 AM CST Fri Dec 22 2023 Valid 251200Z - 301200Z ...DISCUSSION... Medium-range forecast guidance is in fairly good agreement for much of the Day 4-8 period. General consensus is that a closed upper low will develop over the Midwest and gradually shift east/northeast toward the Great Lakes with time. Large-scale upper troughing will persist east of the Mississippi River through Day 8/Fri. At the same time, an upper ridge will develop and shift east across the western half of the CONUS. At the surface, low pressure and attendant cold front will develop east in tandem with the upp…
Last reply by NorthGeorgiaWX, -
- 0 replies
- 92 views
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0251 AM CST Fri Dec 22 2023 Valid 251200Z - 301200Z ...DISCUSSION... Medium-range forecast guidance is in fairly good agreement for much of the Day 4-8 period. General consensus is that a closed upper low will develop over the Midwest and gradually shift east/northeast toward the Great Lakes with time. Large-scale upper troughing will persist east of the Mississippi River through Day 8/Fri. At the same time, an upper ridge will develop and shift east across the western half of the CONUS. At the surface, low pressure and attendant cold front will develop east in tandem with the upp…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0152 AM CST Fri Dec 22 2023 Valid 241200Z - 251200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential appears low on Sunday. ...Southern Plains to Lower MS Valley... An upper trough will pivot east across the southern Plains toward the Ozarks and Lower MS Valley on Sunday. At the surface, a cold front will develop southeast across the central and southern Plains during the afternoon/evening, with a Pacific front shifting east across central TX early in the day ahead of the synoptic front. A line and/or clusters of thunderstorms will l…
Last reply by NorthGeorgiaWX, -
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0152 AM CST Fri Dec 22 2023 Valid 241200Z - 251200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential appears low on Sunday. ...Southern Plains to Lower MS Valley... An upper trough will pivot east across the southern Plains toward the Ozarks and Lower MS Valley on Sunday. At the surface, a cold front will develop southeast across the central and southern Plains during the afternoon/evening, with a Pacific front shifting east across central TX early in the day ahead of the synoptic front. A line and/or clusters of thunderstorms will l…
Last reply by NorthGeorgiaWX, -
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SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1230 AM CST Fri Dec 22 2023 Valid 231200Z - 241200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE SOUTHERN HIGH PLAINS SATURDAY AFTERNOON AND EVENING... ...SUMMARY... Isolated severe thunderstorms producing hail are possible across the southern High Plains Saturday afternoon and evening. ...Southern High Plains... A large-scale upper trough will extend from the Canadian Rockies to northern Mexico on Saturday. Within the broader region of upper troughing, a closed low over AZ will weaken as the southern branch of the trough shifts east across t…
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