SPC Jan 17, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 PM CST Thu Jan 16 2025 Valid 170100Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected tonight. ...01z Update... Thunderstorm potential is low tonight as deep convection remains suppressed across the southeastern Gulf Basin early this evening. Low-level warm advection is forecast to strengthen across the FL Keys late in the period, but thunderstorm activity should remain west of the southern tip of FL through sunrise. ..Darrow.. 01/17/2025 Read more
SPC Jan 15, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0630 PM CST Tue Jan 14 2025 Valid 150100Z - 151200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected tonight. ...01z Update... Weak mid-level disturbance is ejecting across northeast Mexico toward deep south TX early this evening. This feature should encourage weak elevated convection along the cool side of an offshore coastal boundary tonight. 00z sounding from BRO exhibits a modestly steep 3-6km lapse rate (7 C/km), and while moist, MUCAPE is only 100 J/kg. Lapse rates will likely remain a bit too weak
SPC Jan 14, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0644 PM CST Mon Jan 13 2025 Valid 140100Z - 141200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm potential is very low across the CONUS tonight. ...01z Update... Shallow, weak convection continues to weaken as it sags southeast across the central FL Peninsula early this evening. Very little lightning has been noted with this band over the northeast Gulf Basin, and updrafts will likely struggle to attain heights necessary for lightning discharge the rest of tonight. ..Darrow.. 01/14/2025 Read more
SPC Jan 13, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0618 PM CST Sun Jan 12 2025 Valid 130100Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible along parts of the central Gulf Coast tonight. ...01z Update... Early-evening water-vapor imagery depicts a low-amplitude short-wave trough progressing northeast along the middle TX Coast. This feature will lose its identity as it ejects into the central Gulf States later tonight. Scattered, shallow convection is noted ahead of this feature from the northwestern Gulf basin, extending northeast along the LA Coast into southern AL.
SPC Jan 12, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0626 PM CST Sat Jan 11 2025 Valid 120100Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. A stable pattern will persist across the CONUS through tonight, with a large area of high pressure over the Southeast and much of the West. Little if any instability is forecast over the West even with cold temperatures aloft beneath an amplifying upper trough, and as such, thunderstorms remain unlikely. ..Jewell.. 01/12/2025 Read more
SPC Jan 1, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0719 PM CST Tue Dec 31 2024 Valid 010100Z - 011200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PART OF THE MID-ATLANTIC... ...SUMMARY... Isolated damaging gusts, hail and a brief tornado will be possible in parts of the Mid-Atlantic including New Jersey and southern Long Island early this evening. ...Mid-Atlantic/New Jersey/Southern Long Island... The latest water vapor imagery shows a negatively-tilted shortwave trough moving northeastward across the Mid-Atlantic and central Appalachian Mountains. At the surface, a trough is located from Maryland extending southwestward
SPC Dec 31, 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 Mon Dec 30 2024 Valid 310100Z - 311200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible tonight in parts of the mid Mississippi and lower Ohio Valleys, but no severe threat is expected. ...DISCUSSION... A shortwave trough, evident on water vapor imagery over the central U.S., will move eastward across the mid Mississippi Valley tonight. Isolated thunderstorm development is expected after midnight ahead of the trough over parts of the mid Mississippi and lower Ohio Valleys, where surface dewpoints
SPC Dec 30, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0655 PM CST Sun Dec 29 2024 Valid 300100Z - 301200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible this evening in parts of the Atlantic Coastal states, in the Ohio and Tennessee Valleys, Intermountain West and Pacific Northwest. No severe weather is expected. ...DISCUSSION... A large-scale mid-level trough will move quickly northeastward across the Ohio Valley, central Appalachians and Carolinas this evening. An associated surface low will move through southwest Ontario, as a cold front advances toward the southern and middle
SPC Dec 28, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 PM CST Fri Dec 27 2024 Valid 280100Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL GULF COAST... ...SUMMARY... A marginal tornado threat may continue for another hour or two across parts of the central Gulf Coast. ...Central Gulf Coast... A shortwave trough is evident on water vapor over the mid Mississippi Valley. This feature will move northeastward into the Ohio Valley this evening. At the surface, a moist airmass will remain in the central Gulf Coast
SPC Dec 27, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0651 PM CST Thu Dec 26 2024 Valid 270100Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SABINE AND LOWER MISSISSIPPI VALLEYS... ...SUMMARY... Strong to severe thunderstorms, associated with severe wind gusts, hail and a few tornadoes, will move eastward across far southeast Texas, Louisiana and southern Arkansas this evening. ...Southeast Texas/Louisiana/Southern Arkansas... The latest water vapor imagery shows a mid-level trough moving across east-central Texas. At the surface, a low is in northeast Texas with a cold front