Tag: 2000

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0153 PM CST Sat Jan 25 2025 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...20z Update... No changes were made to the prior outlook. Isolated thunderstorms will remain possible this afternoon and evening across portions of the central Valley of CA. Weak buoyancy (MUCAPE~ 100-200 J/kg) may support a few lightning flashes with low-topped storms beneath the advancing cold core upper low. Additional, mostly nocturnal, thunderstorms are possible over parts

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0144 PM CST Fri Jan 24 2025 Valid 242000Z - 251200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast across the contiguous United States. ...20z Update... No changes, thunderstorms are unlikely over the CONUS. See the prior outlook for additional info. ..Lyons.. 01/24/2025 .PREV DISCUSSION... /ISSUED 1010 AM CST Fri Jan 24 2025/ ...Synopsis... Surface high pressure and a stable airmass remain in place across the CONUS as mid-level troughs eject into the Atlantic and impinge on the West Coast, inhibiting thunderstorm development. Read

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0148 PM CST Thu Jan 23 2025 Valid 232000Z - 241200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast across the continental U.S. through the remainder of today or into tonight. ...20z Update... No changes were made to the prior outlook. Broad high pressure over the central US will continue to favor cool, dry and stable conditions behind a cold front. This will negate thunderstorm potential. See the prior outlook for more info. ..Lyons.. 01/23/2025 .PREV DISCUSSION... /ISSUED 1013 AM CST Thu Jan 23

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0154 PM CST Wed Jan 22 2025 Valid 222000Z - 231200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for thunderstorms appears negligible across the U.S. through tonight. ...20z Update... No changes were made to the valid outlook. High pressure is supporting cold and dry conditions over much of the eastern and western US. Offshore flow over the eastern seaboard and Gulf Coast will preclude thunderstorm development. See the prior outlook for additional information. ..Lyons.. 01/22/2025 .PREV DISCUSSION... /ISSUED 1026 AM CST Wed Jan 22 2025/

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0132 PM CST Tue Jan 21 2025 Valid 212000Z - 221200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for thunderstorms appears negligible across the U.S. through tonight. ...20z... No changes were made. Widespread winter precipitation is ongoing along the Gulf Coast. High pressure over the interior of the central CONUS will continue to support very cold, dry and stable conditions with offshore flow. This will negate sufficient buoyancy for thunderstorm potential. See the prior outlook for more info. ..Lyons.. 01/21/2025 .PREV DISCUSSION... /ISSUED 1012 AM

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0141 PM CST Mon Jan 20 2025 Valid 202000Z - 211200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No thunderstorms are expected across the U.S. through tonight. ...20z Update... No changes are needed to the D1 Convective Outlook. See previous discussion below for more information. ..Thornton/Mosier.. 01/20/2025 .PREV DISCUSSION... /ISSUED 1028 AM CST Mon Jan 20 2025/ ...Synopsis... Another surge of cold air is anticipated across the CONUS, reinforcing the polar airmass already in place. This will result in a maintenance of dry and stable conditions, with

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0140 PM CST Thu Jan 09 2025 Valid 092000Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through tonight. ...20z Update... The previous forecast remains valid with minimal changes. The band of moderate low-level warm air advection is forecast to continue eastward across central TX this afternoon. Occasional lightning flashes will remain possible with the deeper convective structures within this band across east-central TX and into southern LA tonight. The Thunder area over central TX was trimmed slightly on the

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0156 PM CST Wed Jan 08 2025 Valid 082000Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected, but very isolated thunderstorms are possible late tonight across parts of west Texas. ...20z Update... No changes are needed to the current D1 Convective Outlook. See previous discussion below for more information. ..Thornton/Smtih.. 01/08/2025 .PREV DISCUSSION... /ISSUED 1023 AM CST Wed Jan 08 2025/ ...Discussion... A deep midlevel cyclone will move east-southeastward across northwest Mexico through the period. Modest midlevel height falls preceding

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0142 PM CST Tue Jan 07 2025 Valid 072000Z - 081200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. ...20z Update... No changes, thunderstorm potential over the CONUS is low through tonight. See the prior discussion for additional information. ..Lyons.. 01/07/2025 .PREV DISCUSSION... /ISSUED 1002 AM CST Tue Jan 07 2025/ ...Discussion... Within the base of a highly amplified large-scale trough over the West, a midlevel vorticity maximum will phase with steep midlevel lapse rates over southwestern AZ today. While weak buoyancy

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0158 PM CST Mon Jan 06 2025 Valid 062000Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE WESTERN FLORIDA PENINSULA... ...SUMMARY... Thunderstorms, one or two of which may be strong to potentially severe, will be possible across parts of western Florida through the remainder of this afternoon and early this evening. ...20z Update... Afternoon visible imagery shows the cold front has gradually moved east/southeast through the remainder of south GA and the FL Panhandle. Behind the front, the intruding