Tag: utc

Official

SPC Jun 13, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1230 PM CDT Fri Jun 13 2025 Valid 141200Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM CENTRAL MONTANA INTO THE CENTRAL HIGH PLAINS... ...SUMMARY... Scattered severe storms capable of large hail and damaging wind gusts will be possible across parts of the central and northern High Plains Saturday afternoon and evening. Additional severe storms will also be possible in parts of southern and central Plains. ...Synopsis... The upper-level trough in the eastern U.S. will weaken during the day on Saturday. Ridging
Official

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
Official

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
Official

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