SPC Dec 23, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CST Mon Dec 23 2024 Valid 261200Z - 311200Z ...DISCUSSION... Severe-weather potential is still expected for Days 4-6 Thursday-Saturday, as an upper trough emerging from California and the Southwest deserts moves toward the Ozarks/Deep South by Thursday/Day 4. At least a low-end multi-day regional severe risk is expected across south-central and east/southeast Texas towards parts of the ArkLaTex, and possibly the Lower Mississippi Valley. In particular, Thursday/Day 4 could ultimately warrant Slight Risk-caliber severe probabilities across south-central to east/southeast Texas although guidance variability persists, while
SPC – No watches are valid as of Mon Dec 23 01:04:02 UTC 2024
No watches are valid as of Mon Dec 23 01:04:02 UTC 2024.
SPC – No MDs are in effect as of Mon Dec 23 01:04:02 UTC 2024
No Mesoscale Discussions are in effect as of Mon Dec 23 01:04:02 UTC 2024.
SPC Dec 23, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0656 PM CST Sun Dec 22 2024 Valid 230100Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...Synopsis... An upper trough currently exists along the coastal Pacific Northwest this evening, and height rises will occur tonight as the wave moves northeastward across OR and WA. In the near term, a few thunderstorms will remain possible over coastal northern CA, and farther north across western WA beneath the cooler air aloft. Most of the
SPC – No watches are valid as of Sun Dec 22 13:40:02 UTC 2024
No watches are valid as of Sun Dec 22 13:40:02 UTC 2024.
SPC – No MDs are in effect as of Sun Dec 22 13:40:02 UTC 2024
No Mesoscale Discussions are in effect as of Sun Dec 22 13:40:02 UTC 2024.
SPC Dec 22, 2024 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0700 AM CST Sun Dec 22 2024 Valid 221300Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...Synopsis... Water-vapor imagery this morning shows an upper trough over the eastern Pacific to the west of the Pacific Northwest coast. This upper feature will move east-northeast into British Columbia and WA/OR tonight. Cooling midlevel temperatures will result in weak buoyancy (100-200 J/kg MUCAPE) late today into tonight from portions of northern CA northward along the
SPC Dec 22, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0400 AM CST Sun Dec 22 2024 Valid 251200Z - 301200Z ...DISCUSSION... A moderately amplified and more active/progressive southern-stream pattern is still expected later this week, along with a general northward fluctuation of low-level moisture across parts of Texas to the Lower Mississippi Valley and Gulf Coast. After a day of little or no severe-weather potential on Christmas Wednesday/Day 4, severe risks are expected to increase into Days 5-7 Thursday-Saturday. A secondary upper trough is expected to emerge from the Southwest deserts and moves toward the Ozarks/Deep
SPC – No watches are valid as of Sun Dec 22 02:24:02 UTC 2024
No watches are valid as of Sun Dec 22 02:24:02 UTC 2024.
SPC – No MDs are in effect as of Sun Dec 22 02:24:02 UTC 2024
No Mesoscale Discussions are in effect as of Sun Dec 22 02:24:02 UTC 2024.