SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0202 AM CDT Sat Sep 27 2025 Valid 291200Z – 301200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… The risk for severe thunderstorms appears negligible across the U.S. Monday through Monday night. …Discussion… Amplification within the westerlies appears likely to continue …
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Month:September 2025
SPC Sep 27, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1145 PM CDT Fri Sep 26 2025 Valid 281200Z – 291200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… The risk for severe thunderstorms appears negligible across the U.S. Sunday through Sunday night. …Discussion… Latest model output indicates little change from prior …
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SPC Sep 27, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1251 AM CDT Sat Sep 27 2025 Valid 271200Z – 281200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… A severe threat is not expected to develop across the continental U.S. today and tonight. …DISCUSSION… At mid-levels, a trough will move through …
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SPC – No MDs are in effect as of Sat Sep 27 02:31:02 UTC 2025
No Mesoscale Discussions are in effect as of Sat Sep 27 02:31:02 UTC 2025. Read More
SPC – No watches are valid as of Sat Sep 27 02:05:02 UTC 2025
No watches are valid as of Sat Sep 27 02:05:02 UTC 2025. Read More
SPC MD 2134
MD 2134 CONCERNING SEVERE THUNDERSTORM WATCH 621… FOR SOUTH-CENTRAL ARIZONA Mesoscale Discussion 2134 NWS Storm Prediction Center Norman OK 0735 PM CDT Fri Sep 26 2025 Areas affected…South-central Arizona Concerning…Severe Thunderstorm Watch 621… Valid 270035Z – 270230Z The severe weather threat for Severe Thunderstorm Watch 621 continues. SUMMARY…Isolated strong to severe thunderstorms will remain possible …
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SPC Sep 27, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0739 PM CDT Fri Sep 26 2025 Valid 270100Z – 271200Z …THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF CENTRAL AND SOUTHEAST ARIZONA… …SUMMARY… Thundertorms capable of hail and isolated severe wind gusts will be possible for …
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SPC Severe Thunderstorm Watch 621 Status Reports
WW 0621 Status Updates STATUS REPORT ON WW 621 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 N GBN TO 25 WSW SOW TO 25 S SOW TO 35 SSE FHU. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2133 ..MOORE..09/26/25 ATTN…WFO…TWC…PSR…FGZ… STATUS REPORT FOR WS 621 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS …
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SPC Severe Thunderstorm Watch 621
WW 621 SEVERE TSTM AZ 261900Z – 270200Z URGENT – IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 621…CORRECTED NWS Storm Prediction Center Norman OK 1235 PM MST Fri Sep 26 2025 CORRECTED FOR TIMEZONE The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and Southern Arizona * Effective …
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SPC MD 2133
MD 2133 CONCERNING SEVERE THUNDERSTORM WATCH 621… FOR SOUTH-CENTRAL ARIZONA Mesoscale Discussion 2133 NWS Storm Prediction Center Norman OK 0500 PM CDT Fri Sep 26 2025 Areas affected…South-central Arizona Concerning…Severe Thunderstorm Watch 621… Valid 262200Z – 270000Z The severe weather threat for Severe Thunderstorm Watch 621 continues. SUMMARY…Thunderstorms will continue to develop along an outflow …
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