SPC Jun 13, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1126 AM CDT Fri Jun 13 2025 Valid 131630Z - 141200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON/EVENING FOR PARTS OF CENTRAL AND SOUTHERN MONTANA... ...SUMMARY... Scattered severe thunderstorms are expected this afternoon and evening across parts of Montana, extending southward across portions of the central/southern High Plains. The greatest concentration of severe thunderstorms should occur across central/southern Montana, where large to very large hail, severe winds, and a couple tornadoes will be possible. ...Central/southern MT this afternoon/evening... Embedded speed maxima will
SPC Jun 12, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1151 AM CDT Thu Jun 12 2025 Valid 121630Z - 131200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTH-CENTRAL PLAINS... ...SUMMARY... Scattered areas of severe thunderstorm development are possible today into tonight, accompanied by potential for severe hail and wind across parts of the Great Plains, the Upper Midwest, the Texas coastal plain into the Lower Mississippi Valley, as well as a portion of the northern Mid-Atlantic. ...North-central Plains including Nebraska/South Dakota... A low-amplitude shortwave trough and associated speed max will progress
SPC Jun 12, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0741 AM CDT Thu Jun 12 2025 Valid 121300Z - 131200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING FOR PARTS OF NEBRASKA AND SOUTH DAKOTA... ...SUMMARY... Scattered areas of strong thunderstorm development are possible today into tonight, accompanied by potential for severe hail and wind across parts of the Great Plains, the Upper Midwest, the Texas coastal plains into lower Mississippi Valley and a small portion of the northern Mid Atlantic. ...NE/SD... Morning water vapor imagery shows a shortwave trough
SPC Jun 12, 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 Wed Jun 11 2025 Valid 120100Z - 121200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING ACROSS PARTS OF NORTHEASTERN IOWA INTO ADJACENT SOUTHWESTERN WISCONSIN AND NORTHWESTERN ILLINOIS... ...SUMMARY... Thunderstorm activity may still increase across parts of central Texas, toward the upper Texas coastal plain, tonight accompanied by at least some risk for severe weather. Otherwise, ongoing thunderstorm development elsewhere is expected to generally wane by mid to late evening. ...01Z Update... ...Midwest... Convection with small cluster which has evolved
SPC Jun 11, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1234 PM CDT Wed Jun 11 2025 Valid 121200Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE CENTRAL/NORTHERN PLAINS AND UPPER MIDWEST...AND ALSO FROM TX INTO THE LOWER MS VALLEY... ...SUMMARY... Widely scattered strong to severe storms are expected Thursday across parts of the central to northern Plains and Upper Midwest. Isolated strong to severe storms may also occur over parts of Texas into the lower Mississippi Valley. ...Synopsis... A low-amplitude mid/upper-level shortwave trough will move across the northern
SPC Jun 11, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1140 AM CDT Wed Jun 11 2025 Valid 111630Z - 121200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL/EAST TEXAS AND PARTS OF THE MIDWEST... ...SUMMARY... Thunderstorms associated with severe wind gusts and hail are possible today across parts of Texas and the Upper Midwest. Marginally severe storms will also be possible in parts of the northern Intermountain region/northern High Plains and the Mid-Atlantic/Carolinas. ...Central/East Texas... A complex/muddled mesoscale scenario exists regionally owing to a decayed but lingering MCS across east/southeast Texas and
SPC Jun 11, 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 Tue Jun 10 2025 Valid 110100Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE RIO GRANDE VALLEY... ...SUMMARY... Severe storms associated with isolated large hail and damaging wind gusts are expected this evening across parts of the Rio Grande Valley. Marginally severe storms will be possible in parts of the southern Plains, central Gulf Coast states, and northwestern U.S. ...Rio Grande Valley/Southern Plains... A shortwave trough is evident on water vapor imagery over New Mexico. Ahead
SPC Jun 10, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 AM CDT Tue Jun 10 2025 Valid 101630Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST NM AND FAR WEST INTO CENTRAL TX... ...SUMMARY... Severe storms are expected to develop this afternoon and evening across parts of far southeast New Mexico, far West Texas and the Rio Grande Valley. Marginally severe storms will be possible from parts of the southern Plains eastward into the lower Mississippi Valley, along parts of the Atlantic Coastal states
SPC Jun 10, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0749 PM CDT Mon Jun 09 2025 Valid 100100Z - 101200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PART OF THE CENTRAL APPALACHIANS AND SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated severe storms will be possible this evening across parts of the central Appalachians, and in parts of the southern High Plains. A marginal severe threat will be possible over much of the Southeast, and from central into southeast Texas. ...Central Appalachians... The latest water vapor imagery shows a trough over the Great Lakes with
SPC Jun 9, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1236 PM CDT Mon Jun 09 2025 Valid 101200Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST NEW MEXICO AND FAR WEST/SOUTHWEST TEXAS... ...SUMMARY... The most likely corridor for severe storms on Tuesday, primarily in the form of large hail, is across far southeast New Mexico and the Texas Trans-Pecos during the late afternoon through early evening. Isolated severe thunderstorms are also possible on Tuesday into Tuesday evening along parts of the East Coast, from southeast New Mexico to south Louisiana