SPC Jan 10, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0316 AM CST Fri Jan 10 2025 Valid 131200Z - 181200Z ...DISCUSSION... A broad northwest to westerly mid/upper flow regime will persist across the CONUS for much of the Day 4-8 period. Strong surface high pressure also will dominate much of the forecast period, with continental and offshore low-level trajectories maintaining a dearth of boundary-layer moisture. Thunderstorm activity is expected to remain low through the end of the period given a cold, dry, and stable airmass. Read more
SPC Jan 10, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0141 AM CST Fri Jan 10 2025 Valid 121200Z - 131200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Sunday. ...Synopsis... Broad upper troughing will envelop much of the CONUS on Sunday. At the surface, a low will move across the Upper Midwest and Great Lakes. A trailing cold front attendant to this low will sweep east-southeast across the Mid and Lower MS Valleys. A secondary surface low is expected over the southern Gulf of Mexico, keeping richer moisture offshore the western/central Gulf
SPC – No watches are valid as of Thu Jan 9 23:32:02 UTC 2025
No watches are valid as of Thu Jan 9 23:32:02 UTC 2025.
SPC MD 26
MD 0026 CONCERNING FREEZING RAIN FOR PORTIONS OF NORTHEAST TEXAS INTO FAR SOUTHEAST OKLAHOMA AND FAR SOUTHWEST ARKANSAS Mesoscale Discussion 0026 NWS Storm Prediction Center Norman OK 0306 PM CST Thu Jan 09 2025 Areas affected...Portions of northeast Texas into far southeast Oklahoma and far southwest Arkansas Concerning...Freezing rain Valid 092106Z - 100100Z SUMMARY...Freezing rain and perhaps some snow/sleet mix will continue spreading northeastward across northeast Texas into the early evening. Some locations could see freezing rain rates around 0.10 inch/3 hours. DISCUSSION...Recent mosaic radar data shows a swath of mixed winter precipitation spreading northeastward across north-central TX -- where
SPC MD 27
MD 0027 CONCERNING WINTER MIXED PRECIPITATION FOR PORTIONS OF CENTRAL ARKANSAS Mesoscale Discussion 0027 NWS Storm Prediction Center Norman OK 0527 PM CST Thu Jan 09 2025 Areas affected...portions of central Arkansas Concerning...Winter mixed precipitation Valid 092327Z - 100330Z SUMMARY...Mixed wintry precipitation should continue into the evening hours, with heavier snow likely later tonight. DISCUSSION...700 mb warm-air and moisture advection is increasing across AR with the approach of the mid-level trough, which is currently progressing across the southern Plains. The low-level warm-air/moisture advection regime is supporting heavier precipitation across central AR, as shown by both MRMS mosaic and KLZK regional
SPC Jan 9, 2025 2000 UTC Day 1 Convective Outlook
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 Jan 9, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0340 AM CST Thu Jan 09 2025 Valid 121200Z - 171200Z ...DISCUSSION... A northwest mid-level flow pattern is forecast to remain in place over the central U.S. throughout the Day 4 to 8 period, as a series of shortwave troughs move southeastward through the flow. The northwesterly flow will help to drive multiple fronts southward into the central and eastern U.S, which will keep a relatively cold and dry airmass in place. For this reason, conditions are not expected to be favorable for thunderstorm development across the
SPC – No watches are valid as of Thu Jan 9 09:43:02 UTC 2025
No watches are valid as of Thu Jan 9 09:43:02 UTC 2025.
SPC – No MDs are in effect as of Thu Jan 9 09:43:02 UTC 2025
No Mesoscale Discussions are in effect as of Thu Jan 9 09:43:02 UTC 2025.
SPC Jan 9, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0207 AM CST Thu Jan 09 2025 Valid 111200Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected across the continental U.S. on Saturday and Saturday night. ...DISCUSSION... On Saturday at mid-levels, a trough will move eastward to the Atlantic Seaboard as another trough moves through the Four Corners region. At the surface, a large area of high pressure will remain over the Southeast, as another strong cold front moves southward through the central states. A relatively cold and dry airmass will remain