SPC Apr 12, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1222 AM CDT Sat Apr 12 2025 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Sunday or Sunday night. ...Upper MS Valley to the Great Lakes... Isolated, elevated thunderstorms are expected to be the predominant convective scenario on Sunday. An amplifying shortwave trough will move east across northern portions of the Great Plains and Upper Midwest. This will yield deepening of a surface cyclone from the central Plains to Lake Superior. Despite this amplification, poor quality boundary-layer
SPC Apr 12, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1246 AM CDT Sat Apr 12 2025 Valid 121200Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHEAST MONTANA AND NORTHERN WYOMING... ...SUMMARY... Thunderstorms with isolated severe gusts are possible from the Big Horns to the Black Hills from this afternoon into the evening. ...Southeast Montana/Northern Wyoming/Western South Dakota... A shortwave mid-level trough will move eastward across the Pacific Northwest today, as an associated 50 to 60 knot jet streak translates eastward into the northern Rockies. Ahead of the trough
Florida State Watch Office Morning Situation Report for Friday, April 11th, 2025
Florida State Watch Office Morning Situation Report EOC Activation Level: Level 2 Meteorological Summary: Showers with embedded thunderstorms expected to develop across the Big Bend and Northern Peninsula this afternoon and evening, spreading southward towards the I-4 corridor into the overnight hours ahead of a cold front moving southeastward through the state (30-60% chance of rain). Marginal Risk (level 1 of 5) for Severe Weather across the Northern Peninsula and into the Nature Coast; strong to severe thunderstorms producing frequent lightning, damaging wind gusts (30-60 mph), medium to large hail, and locally heavy downpours possible. Isolated instances of flooding
SPC – No watches are valid as of Fri Apr 11 21:33:02 UTC 2025
No watches are valid as of Fri Apr 11 21:33:02 UTC 2025.
SPC Apr 11, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0256 PM CDT Fri Apr 11 2025 Valid 112000Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM NORTHERN FLORIDA NORTHWARD TO SOUTHEASTERN VIRGINIA... ...SUMMARY... Isolated strong to severe thunderstorm potential will continue this afternoon and evening from parts of north Florida and far southeast Georgia to the eastern Carolinas and far southeast Virginia. ...Discussion... The ongoing forecast continues to reflect the evolving convective scenario across parts of the southeastern CONUS. Within the broader area of convection across this region, the strongest storms
SPC Apr 11, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 PM CDT Fri Apr 11 2025 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Sunday or Sunday night. ...Upper MS Valley/Great Lakes... A mid-level shortwave trough across the northern Plains will amplify as it moves into the Upper Midwest on Sunday. At the surface, an area of low pressure will move generally from the central Plains into the northern Great Lakes. A cold front will extend from this surface low south and then southwest to the
SPC Apr 11, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1211 PM CDT Fri Apr 11 2025 Valid 121200Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS NORTHERN WYOMING AND SOUTHEAST MONTANA TO THE BLACK HILLS... ...SUMMARY... Isolated severe gusts are possible from the Big Horns to the Black Hills during the late afternoon to mid-evening Saturday. ...Southeast Montana/northeast Wyoming to the Black Hills... A mid-level shortwave trough across the Pacific Northwest/southern British Columbia will advance east through the day Saturday. Height falls across northern Wyoming and southeast Montana will lead to strengthening
SPC Apr 11, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0330 AM CDT Fri Apr 11 2025 Valid 141200Z - 191200Z ...DISCUSSION... ...D4/Monday... Further amplification of a broadening mid/upper-level trough and attendant surface cyclone is expected across the Upper Great Lakes to the southern ON/QC border area. Poleward moisture quality from the western Gulf will remain sub-optimal, but will continue to improve beneath a lobe of the southern Great Plains EML. The northeast extent of weak surface buoyancy should overspread the OH Valley by Monday afternoon. This portion of the front will coincide with robust 700-500 mb
SPC – No watches are valid as of Fri Apr 11 08:34:02 UTC 2025
No watches are valid as of Fri Apr 11 08:34:02 UTC 2025.
SPC – No MDs are in effect as of Fri Apr 11 08:34:02 UTC 2025
No Mesoscale Discussions are in effect as of Fri Apr 11 08:34:02 UTC 2025.