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Tag: 17,

Official

SPC Apr 17, 2025 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0257 PM CDT Thu Apr 17 2025 Valid 172000Z - 181200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM EASTERN NEBRASKA INTO CENTRAL IOWA... ...SUMMARY... Isolated to scattered severe thunderstorms are expected, mainly from late afternoon into early tonight from eastern Nebraska into western and central Iowa. Very large hail to 3 inches in diameter or greater, isolated severe gusts of 60-70 mph, and a couple of tornadoes will all be possible. ...20Z Update... Very minor changes were made to the outlook with this
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Official

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
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Official

SPC Mar 17, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1206 PM CDT Mon Mar 17 2025 Valid 181200Z - 191200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF EASTERN NEBRASKA INTO IOWA... ...SUMMARY... Isolated, marginally severe hail will remain possible during the overnight late Tuesday into early Wednesday from eastern Nebraska across much of Iowa. ...Synopsis... A pronounced mid-level trough will eject into the Plains states, encouraging rapid surface cyclone development and intensification along the KS/OK border Tuesday. As this occurs, very strong low-level flow will encourage the northward advection of
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Official

SPC Mar 17, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Mon Mar 17 2025 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through tonight. ...Synopsis and Discussion... A cold front has cleared the Outer Banks and moved offshore. Still, isolated thunderstorms should persist through this afternoon across coastal NC and vicinity, as cool temperatures aloft associated with an eastward-moving upper trough support weak MUCAPE. Small hail may occur with this activity. Farther west, isolated convection appears possible this afternoon through tonight across parts of CA
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Official

SPC Mar 17, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1227 AM CDT Mon Mar 17 2025 Valid 171200Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast. ...Discussion... Large-scale pattern has allowed significant offshore flow to develop along the Atlantic/Gulf Coasts as surface ridging settles deep into the Gulf Basin. While a few weak thunderstorms may develop beneath a cold mid-level trough along the Carolina Coast later this afternoon, a dearth of deep convection is expected east of the Rockies during the day1 period. Across the western CONUS, a seasonally
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Florida State Watch Office Morning Situation Report for Monday, February 17, 2025
Official

Florida State Watch Office Morning Situation Report for Monday, February 17, 2025

Florida State Watch Office Morning Situation Report EOC Activation Level:  Level 2 Meteorological Summary: High pressure returns across the Sunshine State today in the wake of active weather over the weekend. Sunday's cold front will linger over the Florida Keys and near the southern Peninsula as it becomes stationary allowing for brief showers throughout the day (10-20% chance of rain). Breezy northerly to northeasterly winds will peak this morning near 10-15 mph but will gradually decline throughout the daytime hours. Sensitive wildfire conditions  will develop this afternoon across the I-75 corridor and the interior western Peninsula as relative humidity values
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Official

SPC Feb 17, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1116 PM CST Sun Feb 16 2025 Valid 171200Z - 181200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No areas of thunderstorm activity are forecast across the CONUS today. ...Discussion... A trough will depart the eastern US today, with zonal flow temporarily settling in across the CONUS. At the surface, a cold front will be moving southward across the Florida peninsula early in the period. A storm or two may linger into the early D1 period along the departing front, however, coverage will remain sparse before quickly
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Photo and Video Chronology — January 17, 2025 — Kīlauea eruption monitoring
Official

Photo and Video Chronology — January 17, 2025 — Kīlauea eruption monitoring

Kīlauea eruptive activity remains confined within Kaluapele (the summit caldera), although persistent fountaining coupled with Kona winds has resulted in Pele's hair reported in some public areas within the National Park and in nearby communities. Compilation of videos taken of the Kīlauea summit eruption in Halemaʻumaʻu on January 17, 2025. Several clips show lava fountaining at the vents located in the southwest part of Kaluapele (the summit caldera), as well as lava flowing out of the south vent. The last clip shows a wind vortex (lavanado) within the caldera. As the vortex moves a short distance on the caldera floor
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Official

SPC Jan 17, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1117 AM CST Fri Jan 17 2025 Valid 181200Z - 191200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms may occur over parts of the Southeast on Saturday. Severe thunderstorm potential is forecast to remain low. ...Northern Florida/Florida Panhandle... A large upper-level trough will amplify through the period on Saturday with eventual phasing of the southern stream and polar jet across the Southeast by 12Z Sunday. Low-level flow will be mostly weak through the day Saturday which will keep better low-level moisture offshore. Saturday night
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Official

SPC Jan 17, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1028 AM CST Fri Jan 17 2025 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible from eastern Oklahoma into the Lower Mississippi/Tennessee Valleys and central Gulf Coast region this afternoon into early Saturday morning. ...Synopsis... Satellite imagery shows a well-defined shortwave trough moving through the southern High Plains, with another shortwave visible farther southwest in the vicinity of the northern Baja Peninsula. An extensive fetch of westerly/southwesterly flow aloft exists throughout the bases of these waves, extending from the
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