Category:Weather

SPC Day 3-8 Fire Weather Outlook Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0437 PM CST Sat Dec 20 2025 Valid 221200Z – 281200Z …Synopsis… Increasing mid to upper-level heights are expected over the central and southern CONUS by early next week as a ridge migrates eastward over Chihuahua Mexico and …
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SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0135 PM CST Sat Dec 20 2025 Valid 202000Z – 211200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… A few lightning flashes may occur today across parts of coastal Washington/Oregon and tonight over southern Louisiana. Severe thunderstorms are not expected. …20Z …
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SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0123 PM CST Sat Dec 20 2025 Valid 211200Z – 221200Z …NO CRITICAL AREAS… …Update… No changes are needed for the Day 2 forecast. Please see the discussion below for additional information. ..Barnes.. 12/20/2025 .PREV DISCUSSION… /ISSUED 0112 …
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SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0121 PM CST Sat Dec 20 2025 Valid 221200Z – 231200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… Severe thunderstorms are not expected on Monday. …Synopsis… Upper-level ridging will continue across much of the CONUS on Monday. A compact, moderately strong …
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SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1104 AM CST Sat Dec 20 2025 Valid 211200Z – 221200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… Severe thunderstorms are not expected Sunday. …Synopsis… Zonal flow aloft will become modestly more amplified on Sunday. Upper-level ridging will become more prominent …
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SPC Day 1 Fire Weather Outlook Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1035 AM CST Sat Dec 20 2025 Valid 201700Z – 211200Z …CRITICAL FIRE WEATHER AREA FOR FAR EASTERN NEW MEXICO INTO THE TEXAS SOUTH PLAINS… …Update… No changes were required for today’s forecast. Expect increasing westerly winds throughout …
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SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0953 AM CST Sat Dec 20 2025 Valid 201630Z – 211200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… A few lightning flashes may occur today near coastal Washington, and tonight over southern Louisiana. Dry and stable conditions will prevail over most …
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SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0632 AM CST Sat Dec 20 2025 Valid 201300Z – 211200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… Severe thunderstorms are not expected, but a few lightning flashes may occur today near coastal Washington. …Discussion… Progressive/low-amplitude flow aloft will prevail over …
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Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0236 AM CST Sat Dec 20 2025 Valid 231200Z – 281200Z …DISCUSSION… The large-scale pattern next week will be highlighted by prominent upper ridging and anomalously high 500-mb heights over much of the central to eastern CONUS, with upper troughing developing toward …
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SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0126 AM CST Sat Dec 20 2025 Valid 221200Z – 231200Z …NO THUNDERSTORM AREAS FORECAST… …SUMMARY… Severe thunderstorms are not expected on Monday. …Discussion… The large-scale pattern will undergo modest amplification on Monday via additional upper ridging over the south-central …
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