SPC Apr 17, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0330 AM CDT Thu Apr 17 2025 Valid 201200Z - 251200Z ...DISCUSSION... ...Day 4/Sun - ArkLaTex to the Mid-MS Valley... A compact upper shortwave trough is forecast to move from the southern High Plains to the Midwest on Sunday. While some forecast uncertainty continues with regard to exact position of this feature, the overall pattern suggests isolated to scattered severe thunderstorm potential will exist across portions of east TX into the Mid/Lower MS Valley. Strong southwesterly flow aloft will overspread a moist warm sector as a surface
SPC – No watches are valid as of Thu Apr 17 00:36:01 UTC 2025
No watches are valid as of Thu Apr 17 00:36:01 UTC 2025.
SPC – No MDs are in effect as of Thu Apr 17 00:36:01 UTC 2025
No Mesoscale Discussions are in effect as of Thu Apr 17 00:36:01 UTC 2025.
SPC Apr 16, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0241 PM CDT Wed Apr 16 2025 Valid 162000Z - 171200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON INTO TONIGHT FROM THE TEXAS PANHANDLE TO NORTHEAST KANSAS AND VICINITY... ...SUMMARY... Isolated large hail and strong-severe outflow gusts are possible this evening into tonight from parts of the southern and central Plains into the lower to mid Missouri Valley. ...Discussion... The forecast is on track, and no change is needed to the previous outlook. ..Smith.. 04/16/2025 .PREV DISCUSSION... /ISSUED 1116 AM CDT
SPC – No watches are valid as of Wed Apr 16 10:53:01 UTC 2025
No watches are valid as of Wed Apr 16 10:53:01 UTC 2025.
SPC – No MDs are in effect as of Wed Apr 16 10:53:01 UTC 2025
No Mesoscale Discussions are in effect as of Wed Apr 16 10:53:01 UTC 2025.
SPC Apr 16, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0351 AM CDT Wed Apr 16 2025 Valid 191200Z - 241200Z ...DISCUSSION... Severe potential remains apparent into the weekend, but predictability wanes substantially by D5/Sunday. ...D4/Saturday... The persistent longwave trough is expected to breakdown as an embedded northern-stream shortwave impulse accelerates east across ON/QC and the basal shortwave impulse moves more gradually east into the southern High Plains. Through Saturday afternoon, an expansive swath of strong mid-level flow will persist from the central Appalachians southwestward into the southern Great Plains. The nearly stalled baroclinic zone from TX/OK
SPC Apr 16, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0224 AM CDT Wed Apr 16 2025 Valid 181200Z - 191200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE CENTRAL GREAT LAKES TO THE SOUTHERN GREAT PLAINS... ...SUMMARY... Scattered severe thunderstorms are possible from the central Great Lakes to the southern Great Plains, mainly during the late afternoon Friday into Friday night. ...Central Great Lakes to the Southern Great Plains... Overall forecast scenario remains consistent to prior days with an expansive swath of strong mid-level southwesterlies, downstream of a longwave trough from northern
SPC – No watches are valid as of Tue Apr 15 22:27:01 UTC 2025
No watches are valid as of Tue Apr 15 22:27:01 UTC 2025.
SPC – No MDs are in effect as of Tue Apr 15 22:27:01 UTC 2025
No Mesoscale Discussions are in effect as of Tue Apr 15 22:27:01 UTC 2025.