SPC Dec 13, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0151 AM CST Fri Dec 13 2024 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential is expected to remain limited on Sunday. ...Synopsis... An upper trough will migrate east from the Rockies into the Plains on Sunday. As this occurs, a surface low will track across the northern Plains. Meanwhile, a cold front will develop southeast across much of the northern/central Plains through the day. The front will continue southeast through the nighttime hours, becoming positioned from near Lake Michigan
SPC Dec 13, 2024 0700 UTC Day 2 Convective Outlook
SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1154 PM CST Thu Dec 12 2024 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday. ...Central/South-Central States... An upper cyclone and attendant trough will lift east/northeast from the central/southern Plains toward the Great Lakes on Saturday. Only a weak reflection of this upper system is expected at the surface, where a low over eastern KS during the morning hours will generally weaken as it lifts northeast into the Upper Midwest. Southerly low-level flow will transport 60s
SPC – No watches are valid as of Thu Dec 12 21:34:02 UTC 2024
No watches are valid as of Thu Dec 12 21:34:02 UTC 2024.
SPC – No MDs are in effect as of Thu Dec 12 21:34:02 UTC 2024
No Mesoscale Discussions are in effect as of Thu Dec 12 21:34:02 UTC 2024.
SPC Dec 12, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0125 PM CST Thu Dec 12 2024 Valid 141200Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday. ...Central States... A shortwave trough over the central Great Plains will progress east into the Midwest, dampening somewhat late in the period. Its associated weak surface cyclone over eastern KS should undergo cyclolysis by early Sunday as it moves across the Mid-MS Valley. 60s surface dew points should generally be confined to east and south TX through Saturday afternoon. Low-amplitude mid-level
SPC Dec 12, 2024 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0121 PM CST Thu Dec 12 2024 Valid 122000Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Lightning is possible this evening and tonight along the eastern shores of Lake Ontario in association with lake-effect snow bands. ...20Z Update... The forecast remains on track, and no changes were made with this update. See the previous discussion below for details regarding isolated lightning potential downwind of Lake Ontario. ..Weinman.. 12/12/2024 .PREV DISCUSSION... /ISSUED 1016 AM CST Thu Dec 12 2024/ ...NY... Cool/dry and stable conditions will
SPC Dec 12, 2024 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1111 AM CST Thu Dec 12 2024 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through Friday night. ...Central States... A shortwave trough near the Four Corners will move across the southern Rockies into the central Great Plains by early Saturday. The attendant lee surface cyclone will be weak as it tracks from the Raton Mesa vicinity into eastern KS. Modified moisture return from the western Gulf is anticipated within the broad low-level warm conveyor ahead of the
SPC Dec 12, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0320 AM CST Thu Dec 12 2024 Valid 151200Z - 201200Z ...DISCUSSION... Most of the medium-range guidance has trend faster and less amplified with the shortwave trough expected to move from the Four Corners region through the central Plains on D4/Sunday. This more northerly progression will limit the interaction between this wave and any returning low-level moisture, which should limit thunderstorm potential throughout most of the day. Another shortwave trough is expected to follow in the wake of this lead wave, but with a more southerly track
SPC – No watches are valid as of Thu Dec 12 09:23:02 UTC 2024
No watches are valid as of Thu Dec 12 09:23:02 UTC 2024.
SPC – No MDs are in effect as of Thu Dec 12 09:23:02 UTC 2024
No Mesoscale Discussions are in effect as of Thu Dec 12 09:23:02 UTC 2024.