SPC Jun 15, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1227 AM CDT Sun Jun 15 2025 Valid 151200Z - 161200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST MONTANA AND FAR NORTHEAST WYOMING INTO PARTS OF THE WESTERN DAKOTAS... ...SUMMARY... Scattered severe storms capable of large to very large hail and swaths of damaging gusts are possible across portions of Montana into northeast Wyoming, and parts of the western Dakotas this afternoon and evening. Additional strong to severe storms may occur across the central/southern High Plains, and over parts of Virginia and
SPC Jun 4, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1235 AM CDT Wed Jun 04 2025 Valid 041200Z - 051200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe thunderstorms are possible later this afternoon into the evening across portions of the southern High Plains. Hail and wind are the primary concerns. Locally damaging winds may accompany convection that develops from the lower Great Lakes into eastern Texas. ...Southern High Plains... Mid-level height falls across the lower CO River Valley are beginning to dislodge an
SPC Jun 3, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1236 AM CDT Tue Jun 03 2025 Valid 031200Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GREAT PLAINS TO THE MIDWEST... ...SUMMARY... Scattered severe thunderstorms are possible from the southern Great Plains to the Midwest. Damaging winds and large hail are the primary concern. ...Great Plains to the Midwest... Large-scale pattern is not forecast to change appreciably during the day1 period with upper troughing forecast to persist across the northern Plains as a secondary upper low digs into the southwestern U.S. by
SPC Jun 2, 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 Mon Jun 02 2025 Valid 021200Z - 031200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE HIGH PLAINS INTO SOUTHWESTERN MINNESOTA... ...SUMMARY... Scattered severe thunderstorms are possible across the High Plains into southwestern Minnesota. Severe gusts and large hail are the expected hazards. ...High Plains to southwestern MN... Strong northern-stream short-wave trough is currently located over southeastern BC into the northern inter mountain region. This feature is forecast to advance into eastern MT/WY by 03/00z as 60+kt 500mb flow translates
SPC May 28, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1216 AM CDT Wed May 28 2025 Valid 281200Z - 291200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON WEDNESDAY OVER PORTIONS OF THE CENTRAL AND SOUTHERN PLAINS STATES.... ...SUMMARY... Severe thunderstorms capable of very large hail, damaging wind gusts, and a few tornadoes are possible today across parts of the central and southern Plains. Isolated wind damage may occur across the Gulf coast/Southeast. ...CO/KS/OK... Evening water vapor loop shows a shortwave trough over southern Manitoba. This trough will track southward across the northern
SPC May 26, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1232 AM CDT Mon May 26 2025 Valid 261200Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM WEST CENTRAL TEXAS TO THE LOWER MISSISSIPPI VALLEY... ...SUMMARY... Severe storms are expected from west-central Texas eastward into the lower Mississippi Valley. Areas of large hail will be possible with the primary risk becoming damaging winds. Marginally severe storms will also be possible outside the Slight Risk area from the southern Plains into the Southeast. ...Texas to the lower Mississippi Valley... Large-scale height field will
SPC Apr 14, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1227 AM CDT Mon Apr 14 2025 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Tuesday or Tuesday night. ...Northeast... Sporadic, low-topped thunderstorms may develop towards midday through the afternoon within a post-frontal regime as 500-mb temperatures fall at/below -28 C. This should occur to the west of an intense mid-level jet that will progress quickly across the Mid-Atlantic States and off the coast by evening. While the boundary layer will be drying, scant buoyancy may persist
SPC Apr 14, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1258 AM CDT Mon Apr 14 2025 Valid 141200Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE OHIO VALLEY...CENTRAL APPALACHIANS AND MID-ATLANTIC... ...SUMMARY... Scattered strong to severe storms are expected this afternoon and evening across parts of the Upper Ohio Valley eastward to the Mid-Atlantic. Large hail, severe wind gusts, and a tornado threat will be possible. ...Lower Ohio Valley/Central Appalachians/Mid-Atlantic... At mid-levels, a positively-tilted trough will move through the northern Plains as a low moves northeastward into Ontario.
SPC Apr 13, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1243 AM CDT Sun Apr 13 2025 Valid 141200Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN THE UPPER OH VALLEY AND CENTRAL APPALACHIANS... ...SUMMARY... A couple tornadoes along with scattered damaging winds and large hail are possible from mid-afternoon to mid-evening across parts of the Upper Ohio Valley and central Appalachians. ...Synopsis... A shortwave trough will further amplify over the Upper Great Lakes towards the ON/QC border, supporting gradual deepening of a surface cyclone from 995 to 990 mb. In its
SPC Apr 13, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1245 AM CDT Sun Apr 13 2025 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm development will be possible on Sunday from the upper Mississippi Valley into the Great Lakes, and from the Intermountain West to the central High Plains. No severe threat is expected. ...DISCUSSION... At mid-levels, a ridge will move through the Great Lakes and lower to mid Mississippi Valley, as a shortwave trough moves through the northern High Plains. At the surface, a low will move into the mid