Tag: 0730

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 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 AM CDT Tue Apr 15 2025 Valid 171200Z - 181200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN IA/NORTHERN MO/EASTERN NE... ...SUMMARY... Scattered severe thunderstorms, with a primary threat of large hail, are possible on Thursday evening/night, centered on eastern Nebraska, northern Missouri, and Iowa. ...Synopsis... A longwave trough, consisting of multiple embedded shortwave impulses, will become established from the southern Prairie Provinces across the West to off the Baja CA coast. Peak surface cyclone amplitude is expected over western KS on Thursday

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0218 AM CDT Mon Apr 14 2025 Valid 161200Z - 171200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through Wednesday night. ...West to Central States... A broad swath of predominately isolated thunder is anticipated starting Wednesday afternoon and persisting into early morning Thursday. A northern-stream shortwave trough is expected to dig southward from the Canadian Rockies into the northern Intermountain West. A southern-stream, lower-amplitude shortwave trough should drift towards the southern CA coast. Downstream lee cyclogenesis should occur over the central

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 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 AM CDT Sat Apr 12 2025 Valid 141200Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN THE UPPER OH VALLEY AND CENTRAL APPALACHIANS... ...SUMMARY... Scattered severe thunderstorms are possible on Monday afternoon and evening across parts of the Upper Ohio Valley and central Appalachians. ...Synopsis... A shortwave trough will further amplify over the Upper Great Lakes eastward towards the Ottawa Valley through early Tuesday. In its wake, a separate shortwave impulse and attendant mid-level jetlet will dive southeast across the northern

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0322 AM CDT Fri Apr 11 2025 Valid 131200Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... CORRECTED FOR GRAPHIC ...SUMMARY... Severe thunderstorms are not expected on Sunday or Sunday night. ...Upper MS Valley/Great Lakes... A shortwave trough over the northern High Plains on Sunday morning is expected to amplify as it moves east into the northern Upper Midwest. This will maintain a deep surface cyclone from the central Great Plains into the Upper Great Lakes. Guidance has above-average spread across latest runs and

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0154 AM CDT Thu Apr 10 2025 Valid 121200Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Saturday or Saturday night. ...Central Rockies to the Upper Midwest... A mid-level ridge from the southern High Plains to the Upper Midwest at 12Z Saturday morning will shift east and gradually dampen, as a shortwave trough progresses across the northern Rockies and into MT through early Sunday. Large-scale ascent will strengthen near peak diurnal heating across parts of the central Rockies to

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0216 AM CDT Wed Apr 09 2025 Valid 111200Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF EASTERN NORTH CAROLINA... ...SUMMARY... A couple strong to severe storms will be possible across parts of eastern North Carolina on Friday. Primary concerns will be isolated severe hail and locally damaging wind gusts. ...Eastern North Carolina... Within the base of an amplified large-scale trough moving slowly eastward across the Appalachians, the left-exit region of a cyclonically curved midlevel jet streak will overspread the

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0218 AM CDT Tue Apr 08 2025 Valid 101200Z - 111200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE TENNESSEE VALLEY... ...SUMMARY... Isolated severe storms capable of producing large hail and locally damaging gusts will be possible across portions of the Tennessee Valley on Thursday afternoon and evening. ...Synopsis... A positively tilted large-scale trough and accompanying midlevel speed maximum will move southeastward from the Middle/Upper MS Valley to the southern Appalachians through the period. At the same time, a weak surface

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0219 AM CDT Mon Apr 07 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across portions of the the Middle Mississippi Valley and northern High Plains, though organized severe storms are not expected. ...Synopsis and Discussion... An amplifying/intensifying midlevel trough will track southeastward from the northern Plains toward the Lower Ohio Valley through the period. A related surface cyclone will advance eastward from the central Plains to the Lower Great Lakes, while a trailing cold front moves eastward across