SPC Apr 13, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0207 PM CDT Sun Apr 13 2025 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast on Tuesday. ...Synopsis... A large upper trough will move rapidly eastward from the Great Lakes and OH Valley into the Mid Atlantic and Northeast, with a surface high pushing into the lower MS Valley and Southeast. The drying behind this system will significantly reduce thunderstorm chances over much of the CONUS on Tuesday. A very low chance of early day convection may exist
SPC – No watches are valid as of Sun Apr 13 08:54:02 UTC 2025
No watches are valid as of Sun Apr 13 08:54:02 UTC 2025.
SPC – No MDs are in effect as of Sun Apr 13 08:54:02 UTC 2025
No Mesoscale Discussions are in effect as of Sun Apr 13 08:54:02 UTC 2025.
SPC Apr 13, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0227 AM CDT Sun Apr 13 2025 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast on Tuesday. ...Eastern NC... Timing of surface cold front passage Tuesday late morning to afternoon remains crucial as to whether thunderstorms can form and intensify over land, before becoming entirely confined off the coast. Guidance, except for the UKMET, has generally been trending towards a slightly faster frontal passage over the past couple days. This suggests the window of opportunity for sustained severe
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
SPC – No MDs are in effect as of Sat Apr 12 21:18:02 UTC 2025
No Mesoscale Discussions are in effect as of Sat Apr 12 21:18:02 UTC 2025.
SPC – No watches are valid as of Sat Apr 12 21:18:02 UTC 2025
No watches are valid as of Sat Apr 12 21:18:02 UTC 2025.
SPC Apr 12, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0237 PM CDT Sat Apr 12 2025 Valid 122000Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN MONTANA INTO NORTHERN WYOMING AND FAR WESTERN SOUTH DAKOTA... ...SUMMARY... Thunderstorms with isolated severe gusts are possible across parts of southern Montana/northern Wyoming to the Black Hills this afternoon and evening. ...20Z Update... The forecast remains on track, and no changes were made with this update. For details, see the previous discussion below. ..Weinman.. 04/12/2025 .PREV DISCUSSION... /ISSUED 1112 AM CDT Sat
SPC Apr 12, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 PM CDT Sat Apr 12 2025 Valid 141200Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM PARTS OF NORTHERN KENTUCKY INTO SOUTHERN OHIO...SOUTHWEST PENNSYLVANIA...AND WEST VIRGINIA... ...SUMMARY... Scattered storms, a few severe, are possible on Monday afternoon and evening across parts of the Upper Ohio Valley and central Appalachians. ...Synopsis... An upper low will deepen as it moves eastward across the Great Lakes on Monday, with a leading speed max moving across the OH Valley during the day and a secondary