SPC – No MDs are in effect as of Tue Mar 25 07:38:02 UTC 2025
No Mesoscale Discussions are in effect as of Tue Mar 25 07:38:02 UTC 2025.
SPC Mar 25, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1256 AM CDT Tue Mar 25 2025 Valid 261200Z - 271200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE PACIFIC NORTHWEST... ...SUMMARY... Isolated severe thunderstorms are possible across parts of the Pacific Northwest on Wednesday afternoon into the evening. ...Synopsis... Slow progression of the upper pattern -- a general western ridge/eastern trough configuration -- is expected Wednesday. Upstream, an eastern Pacific trough/low will strengthen as it nears the Pacific Northwest Coast. At the surface, a rather ill-defined baroclinic zone will extend
SPC Mar 25, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1228 AM CDT Tue Mar 25 2025 Valid 251200Z - 261200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST FLORIDA PENINSULA...AND FROM CENTRAL TEXAS INTO SOUTHEAST OKLAHOMA... ...SUMMARY... Gusty winds, along with some risk for hail, will accompany isolated thunderstorms across the southeastern Florida Peninsula, and parts of southeast Oklahoma into central Texas. ...Southern FL Peninsula... Upper trough is firmly established over the eastern U.S. early this morning. Along the southern fringe of this wave, a low-latitude short-wave trough is digging east-southeast toward
SPC – No watches are valid as of Mon Mar 24 19:27:01 UTC 2025
No watches are valid as of Mon Mar 24 19:27:01 UTC 2025.
SPC MD 261
MD 0261 CONCERNING HEAVY SNOW FOR PORTIONS OF EASTERN MAINE Mesoscale Discussion 0261 NWS Storm Prediction Center Norman OK 0146 PM CDT Mon Mar 24 2025 Areas affected...portions of eastern Maine Concerning...Heavy snow Valid 241846Z - 242215Z SUMMARY...Heavy snow will continue across eastern Maine for the next few hours, with 1 inch/hour snowfall rates possible. DISCUSSION...Ahead of an approaching stacked cyclone over the Great Lakes, low-level warm-air/moisture advection over eastern New England is providing increased ascent amid a sub-freezing troposphere. Saturation of the dendritic growth zone is supporting heavier snowfall, which has been observed over NH into southwest ME over
SPC Mar 24, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0222 PM CDT Mon Mar 24 2025 Valid 261200Z - 271200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF OR/WA/NORTHERN ID... ...SUMMARY... Isolated severe thunderstorms are possible across parts of the Pacific Northwest on Wednesday afternoon into the evening. ...Pacific Northwest... Synoptic pattern appears favorable for early-season severe potential. Largely maintained a broad level 1-MRGL risk with overall scenario supporting at least isolated severe-storm potential. Parts of the region, focused west of the Cascades and over eastern OR/southeast WA, may warrant a
SPC Mar 24, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1220 PM CDT Mon Mar 24 2025 Valid 251200Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast on Tuesday. ...FL Peninsula... In the wake of a low-amplitude shortwave impulse passage on D1, large-scale ascent appears nebulous across the region. Still, pronounced boundary-layer heating should yield at least isolated thunderstorms Tuesday afternoon, mainly along the east coast sea breeze. Cool mid-level temperatures could support hail growth amid moderate buoyancy. Modest deep-layer shear should temper the overall threat, but a few slow-moving
SPC Mar 24, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1108 AM CDT Mon Mar 24 2025 Valid 241630Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ALONG THE GULF COAST FROM SOUTHEAST LOUISIANA INTO THE FLORIDA PANHANDLE.... ...SUMMARY... Severe thunderstorms are possible today from southern Louisiana eastward to the Florida Panhandle and far southern Georgia. ...Gulf Coast... Clusters of thunderstorms have been affecting parts of southern LA/MS/AL and the FL Panhandle this morning. The effective outflow boundary currently extends from the Delta region of southeast LA eastward across the Gulf
SPC Mar 24, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 AM CDT Mon Mar 24 2025 Valid 261200Z - 271200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE PACIFIC NORTHWEST... ...SUMMARY... A few strong/severe storms will be possible across portions of the Pacific Northwest on Wednesday. ...Synopsis... A slowly progressive upper pattern will persist across the U.S. Wednesday, as an eastern U.S. trough continues to advance slowly toward the Atlantic Coast. Upstream, ridging over the interior West will gradually expand into the Plains, while still farther upstream, a second upper
SPC – No MDs are in effect as of Mon Mar 24 07:33:01 UTC 2025
No Mesoscale Discussions are in effect as of Mon Mar 24 07:33:01 UTC 2025.