SPC Apr 28, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0737 AM CDT Mon Apr 28 2025 Valid 281300Z - 291200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR SOUTHERN MN...NORTHERN IA...AND WESTERN WI... ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM NORTH-CENTRAL AND WESTERN OK INTO THE TX BIG COUNTRY AND SOUTHWEST TX... ...SUMMARY... Multiple corridors of severe thunderstorms are expected across the Upper Midwest later today into tonight, with a regional severe weather outbreak possible. The most dangerous period is likely during the late afternoon and evening when strong tornado potential
SPC Apr 28, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0357 AM CDT Mon Apr 28 2025 Valid 011200Z - 061200Z CORRECTED FOR INCORRECT DAY REFERENCE ...DISCUSSION... The extended period will begin with broad troughing across the eastern US and a surface low tracking northeastward across the Great Lakes. A cold front will stretch from the northeastern US southward into the southern Plains, shifting eastward on D4/Thursday across the Ohio Valley into the southeastern US. Beyond D4/Thursday, heights will begin to rise across the Plains as an upper level high strengthens, which will limit the
Hydrologic Outlook issued April 27 at 4:47AM AST by NWS San Juan PR
ESFSJU Abundant moisture, along with a series of troughs, will continue to enhance the potential for showers and thunderstorms today, and stretching into at least Thursday. At this time, USGS river sensors indicate that most streams are running normal to much above normal, and soils are saturated along eastern, interior and western Puerto Rico. Some rivers reached action to minor flood stage with yesterday's heavy rains. Additionally, winds are expected to be weak through much of this period, so any rainfall activity that develops will be long-lasting. In general, we are expecting additional rainfall accumulation of 2 to 4 inches
SPC Apr 28, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0759 PM CDT Sun Apr 27 2025 Valid 280100Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE NORTHERN GREAT PLAINS INTO NE...AND PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated to scattered severe thunderstorms are possible this evening into early morning Monday across parts of the Great Plains. Large to very large hail, severe gusts, and a few tornadoes are all possible. ...Northern Great Plains into NE...MN...northern IA... Supercell development is underway this evening across parts of western NE
SPC Apr 27, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0745 AM CDT Sun Apr 27 2025 Valid 271300Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR MUCH OF THE GREAT PLAINS... ...SUMMARY... Isolated to scattered severe thunderstorms are possible on Sunday evening into early morning Monday across parts of the Great Plains. Large hail, severe gusts, and a few tornadoes are all possible. ...Synopsis... Early morning satellite imagery shows modest upper ridging between a pair of well-defined cyclones, one centered over NV and the other centered over northern NY/VT. The NV
Hydrologic Outlook issued April 26 at 4:22PM AST by NWS San Juan PR
ESFSJU Abundant moisture, along with a series of troughs, will continue to enhance the potential for showers and thunderstorms this weekend, and stretching into at least Thursday. At this time, USGS river sensors indicate that most streams are running normal to much above normal, and soils are saturated along eastern, interior and western Puerto Rico. Some rivers reached action to minor flood stage with today's heavy rains. Additionally, winds are expected to be weak through much of this period, so any rainfall activity that develops will be long-lasting. In general, we are expecting additional rainfall accumulation of 2 to 4
SPC Apr 27, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat Apr 26 2025 Valid 270100Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF EASTERN NM INTO SOUTHWEST TX...AND ALSO NEAR THE ARKLATEX VICINITY... ...SUMMARY... Scattered severe thunderstorms may continue over eastern New Mexico into parts of west Texas through the evening. A threat for large to very large hail and a couple of tornadoes are the primary risks. Scattered strong to severe storms also remain possible across parts of western/central Arkansas and vicinity. ...Eastern NM into
Hydrologic Outlook issued April 26 at 2:33PM MDT by NWS Billings MT
ESFBYZ The latest snow data from the NRCS and NOHRSC shows a significant snowpack existing between 5500 and 7500 feet. In this elevation 3 to 7 inches of water is contained within the snowpack. A storm system is expected to impact the area from Sunday afternoon through Monday. From Sunday afternoon into early Monday morning temperatures will be warm enough for rain to fall in this mid elevation layer over the Beartooth, Absaroka and Crazy mountains and foothills. The Pryor and Bighorn mountains and foothills will see rain potential from late Sunday evening into early afternoon Monday. A few thunderstorms
Hydrologic Outlook issued April 26 at 12:24AM MDT by NWS Billings MT
ESFBYZ The latest snow data from the NRCS and NOHRSC shows a significant snowpack existing between 5500 and 7500 feet. In this elevation 3 to 7 inches of water is contained within the snowpack. A storm system is expected to impact the area from Sunday afternoon through Monday. From Sunday afternoon into early Monday morning temperatures will be warm enough for rain to fall in this mid elevation layer over the Beartooth, Absaroka and Crazy mountains and foothills. The Pryor and Bighorn mountains and foothills will see rain potential from late Sunday evening into early afternoon Monday. A few thunderstorms
SPC Apr 26, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0740 AM CDT Sat Apr 26 2025 Valid 261300Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM SOUTH-CENTRAL OK AND FAR NORTH-CENTRAL TX INTO EASTERN OK... ...SUMMARY... Strong to potentially severe storms are possible later today across parts of the southern High Plains into the ArkLaTex region. Highest coverage is expected from south-central Oklahoma and far north-central Texas into eastern Oklahoma. Isolated severe storms are also across parts of the Mid Atlantic and Carolinas. ...NM into the Southern Plains and ArkLaTex... Early