Tag: spc

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 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 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 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