Tag: spc

Official

SPC Jan 26, 2025 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0156 PM CST Sun Jan 26 2025 Valid 262000Z - 271200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...20z Update... The prior forecast remains valid with no changes. Scattered elevated thunderstorms ongoing over the ArkLaTex should continue northeastward within the pronounced low-level warm advection regime through tonight. Additional storm development and lightning potential, albeit lower probability, will remain possible this evening over eastern TX with weak low and mid-level ascent continuing for another few
Official

SPC Jan 26, 2025 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0359 AM CST Sun Jan 26 2025 Valid 291200Z - 031200Z ...DISCUSSION... ...Wednesday/Day 4 to Thursday/Day 5... A mid-level low is forecast to move eastward across the Desert Southwest from Wednesday/Day 4 into Thursday/Day 5. Low-level moisture advection will take place ahead of the system across the southern Plains on Wednesday into Wednesday night, with surface dewpoints increasing into the 60s F across parts of the southern Plains. Scattered to numerous thunderstorms appear likely to develop across the western part of the moist sector Wednesday night across
Official

SPC Jan 26, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook

SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0203 AM CST Sun Jan 26 2025 Valid 281200Z - 291200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No thunderstorms are forecast over the continental U.S. on Tuesday or Tuesday night. ...DISCUSSION... A mid-level ridge is forecast over the southern Plains on Tuesday, as an upper-level low moves southward across the Desert Southwest. Mid-level flow will become more southwesterly over western parts of the southern Plains, as low-level moisture advection occurs across the southern part of Texas. Although showers could develop late in the period near the
Official

SPC Jan 25, 2025 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0153 PM CST Sat Jan 25 2025 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...20z Update... No changes were made to the prior outlook. Isolated thunderstorms will remain possible this afternoon and evening across portions of the central Valley of CA. Weak buoyancy (MUCAPE~ 100-200 J/kg) may support a few lightning flashes with low-topped storms beneath the advancing cold core upper low. Additional, mostly nocturnal, thunderstorms are possible over parts