SPC May 24, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0742 AM CDT Sat May 24 2025 Valid 241300Z - 251200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN PLAINS INTO THE LOWER MISSISSIPPI VALLEY AND SOUTHEAST... ...SUMMARY... Scattered severe thunderstorms should occur across parts of the southern Plains to the Southeast today. Damaging winds, large hail and a few tornadoes are all possible. Isolated very large hail greater than 2 inches in diameter may also occur across the southern Plains. ...Southern/Central Plains to the Southeast... Aided by a 30-40
Alaska Guide Pilot InFO 24002 Rev 1, April 24, 2025
This Information for Operators (InFO) provides information to operators and pilots engaged in Alaska Guide Pilot operations. This Revision 1 (dated April 24, 2025) needs to be closely reviewed in its entirety, as substantial changes have occurred. Here is the link to InFO 24002, Revision 1, dated April 24, 2025: https://www.faasafety.gov/files/notices/2025/May/InFO24002_Rev_1__24_Apr_25.pdf Please direct all questions/comments to: 9-AFS-200-Correspondence@faa.gov
SPC May 24, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0753 PM CDT Fri May 23 2025 Valid 240100Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE CENTRAL AND SOUTHERN PLAINS INTO WESTERN ARKANSAS... ...SUMMARY... Isolated to scattered severe thunderstorms are expected to spread across the central High Plains into the southern Plains later tonight. Large hail and severe wind gusts remain the main threats. ...01z Update... Earlier thoughts regarding severe tonight continue. Over the last few hours, several supercells have matured over the central High Plains, from the
SPC Apr 24, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0347 AM CDT Thu Apr 24 2025 Valid 271200Z - 021200Z ...DISCUSSION... ...Day 4/Sun - Great Plains... An upper trough over the southwestern U.S. early Sunday will develop east, becoming oriented from the central Rockies to the Lower CO Valley by Monday morning. As the trough develops east, a band of enhanced southwesterly mid/upper flow will overspread NM northeast to the Dakotas. A lee surface cyclone will deepen over western SD/NE, eventually shifting east into eastern SD by early Monday. Southerly low-level flow will transport Gulf moisture
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 Mar 24, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1257 AM CDT Mon Mar 24 2025 Valid 251200Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Risk for severe weather appears low at this time across the U.S. on Tuesday. ...Discussion... A very slowly progressing upper pattern -- featuring an eastern U.S. trough and a ridge over the interior West -- will persist across the U.S. Tuesday. Through the second half of the period, an eastern Pacific trough is forecast to impinge on the West Coast. At the surface, the primary/remnant surface baroclinic zone
SPC Mar 24, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1254 AM CDT Mon Mar 24 2025 Valid 241200Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN LA...MS...AL AND WESTERN FL/GA... ...SUMMARY... A few strong/possibly severe thunderstorms will be possible today from southern Louisiana eastward to southern Georgia and the Florida Panhandle. ...Synopsis... Amplified mid-level flow will progress across the CONUS as an upper trough moves from the Great Lakes into the Northeast, and a ridge builds steadily over the West. A cold front, trailing from a surface low will advance