SPC Dec 16, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0347 AM CST Mon Dec 16 2024 Valid 191200Z - 241200Z ...DISCUSSION... Medium range guidance is in fairly good agreement that an amplified but progressive upper level pattern will overspread the CONUS during the Day 4-8 period. A shortwave trough over the northern Plains early on Day 4/Thu will deepen and spread east over the eastern half of the CONUS through Day 6 or 7/Sat or Sun. Meanwhile, an amplified upper ridge will build over the western states and spread east into the Plains during this same
SPC Dec 16, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0203 AM CST Mon Dec 16 2024 Valid 181200Z - 191200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible from the lower Ohio Valley southwest into northeast/central Texas, as well as across the Florida Peninsula and Georgia coast on Wednesday. Severe thunderstorms are not expected. ...Synopsis... An upper trough will migrate across the eastern half of the CONUS on Wednesday. Boundary-layer moisture will remain modest across the southeast U.S., ahead of a southeast-advancing cold front extending from southern OH southwest to western TN and
SPC – No watches are valid as of Mon Dec 16 00:36:02 UTC 2024
No watches are valid as of Mon Dec 16 00:36:02 UTC 2024.
SPC – No MDs are in effect as of Mon Dec 16 00:36:02 UTC 2024
No Mesoscale Discussions are in effect as of Mon Dec 16 00:36:02 UTC 2024.
SPC Dec 15, 2024 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0155 PM CST Sun Dec 15 2024 Valid 152000Z - 161200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PARTS OF NORTH TEXAS TO THE OZARKS... ...SUMMARY... Isolated severe hail, strong/gusty winds, and perhaps a tornado may occur tonight through early Monday morning from parts of north Texas to the Ozarks. ...20Z Update... The previous forecast (see below) remains on track, and no changes were needed with this update. The latest guidance indicates some potential for embedded/loosely organized cells tracking northeastward across southeast MO
Florida State Watch Office Morning Situation Report for Sunday, December 15, 2024
Florida State Watch Office Morning Situation Report EOC Activation Level: Level 2 Meteorological Summary: Coastal showers have developed this morning along the I-95 corridor and East Coast, and additional spotty to isolated showers can be expected throughout the day (15-35% chance of rain). Elsewhere, mostly dry conditions can be expected due to strong high pressure over New England expanding southward across the western half of the state. Wind gusts of 15-20 mph can be expected by midday throughout the Peninsula, with stronger wind gusts upwards of 25-30 mph along and near the East Coast. High temperatures will reach the 70s
SPC Dec 15, 2024 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0624 AM CST Sun Dec 15 2024 Valid 151300Z - 161200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PORTIONS OF NORTH TEXAS TO THE OZARKS... ...SUMMARY... Isolated hail near severe limits is possible tonight from portions of north Texas to the Ozarks. ...Synopsis... In mid/upper levels, a low-amplitude longwave pattern will remain in place over the CONUS, with progressive shortwave to synoptic troughs traversing the prevailing westerlies. The leading trough -- currently anchored by a closed low near the northern IL/IN border --
SPC – No watches are valid as of Sun Dec 15 12:29:01 UTC 2024
No watches are valid as of Sun Dec 15 12:29:01 UTC 2024.
SPC – No MDs are in effect as of Sun Dec 15 12:29:01 UTC 2024
No Mesoscale Discussions are in effect as of Sun Dec 15 12:29:01 UTC 2024.
SPC Dec 15, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0312 AM CST Sun Dec 15 2024 Valid 181200Z - 231200Z ...DISCUSSION... A surface cold front will move south and east across the eastern and southeastern U.S. on Day 4/Wed, moving offshore the Gulf and Atlantic coasts by early Day 5/Thu. Showers and thunderstorms are possible near the cold front across parts of the Southeast and Mid-Atlantic vicinity on Day 4/Wed. However, weak instability and only modest vertical shear is expected to limit severe thunderstorm potential. After Day 4/Wed, a mean upper level trough will persist over