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Mesoscale Discussions

Severe Storm Clusters Bring 60–80 mph Gusts and Flash‑Flood Risk to Northern Plains

A strengthening low‑level jet, extreme instability and mesoscale boundaries are driving rapid upscale storm growth that threatens damaging winds, large hail, and flash flooding

297 ARTICLES

3w ago

Life‑Threatening Flash Flood Risk Targets I‑95 Corridor Cities

133 ARTICLES

3w ago

Severe Thunderstorm Watches Continue as Clusters Produce Widespread Damaging Wind

69 ARTICLES

4w ago

SPC Maintains Multiple Severe-Thunderstorm Watches as Storm Clusters Threaten Widespread Wind Damage

219 ARTICLES

last mo.

Severe Outbreak Produces 2–4‑Inch Hail in Colorado as Storms Threaten to Grow Into Wind‑Driving MCSs

77 ARTICLES

last mo.

Life‑Threatening Flash Flooding Threatens Central Gulf Coast as Arthur’s Remnants Fuel Torrential Rain

56 ARTICLES

last mo.

Tornado and Severe Watches Span Central Plains as Storms Produce 96 mph Gust

261 ARTICLES

last mo.

Multi-Day Severe Outbreak Slams Midwest with Derecho-Style Winds and New Rounds of Storms

80 ARTICLES

last mo.

Strong Tornado Hits Southern Mississippi as Severe Threat Shifts Into Alabama and the Florida Panhandle

242 ARTICLES

2mo ago

Brief Warm Surge Tuesday Sets Up Widespread Rain, Severe Risk Wednesday

88 ARTICLES

3mo ago

SPC Flags Persistent Tornado Threat in Southern Illinois, Southeast Missouri and Western Kentucky

14 ARTICLES

3mo ago

Line of Severe Storms Hits Illinois and Indiana With Ohio Valley Now Under Watch Possibility

179 ARTICLES

3mo ago

Spring Warmth Fuels Midweek Severe-Storm Threat Across Central and Eastern U.S.

18 ARTICLES

3mo ago

Mesoscale Discussions

Severe Storm Clusters Bring 60–80 mph Gusts and Flash‑Flood Risk to Northern Plains

Life‑Threatening Flash Flood Risk Targets I‑95 Corridor Cities

Severe Thunderstorm Watches Continue as Clusters Produce Widespread Damaging Wind

SPC Maintains Multiple Severe-Thunderstorm Watches as Storm Clusters Threaten Widespread Wind Damage

Severe Outbreak Produces 2–4‑Inch Hail in Colorado as Storms Threaten to Grow Into Wind‑Driving MCSs

Life‑Threatening Flash Flooding Threatens Central Gulf Coast as Arthur’s Remnants Fuel Torrential Rain

Tornado and Severe Watches Span Central Plains as Storms Produce 96 mph Gust

Multi-Day Severe Outbreak Slams Midwest with Derecho-Style Winds and New Rounds of Storms

Severe Storms and Flash‑Flood Risk Persist Across Plains and Midwest

Heavy Rain and Severe Storms Trigger Flash Flooding Across Texas

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Mesoscale Discussions

Central U.S. Storms Evolve Into Squall Lines With Damaging Winds Overnight

Heat Surges Across Eastern U.S. With Strong Storms Next

SPC Expands Severe Watches as Iowa Supercells Organize Into Damaging-Wind Line

SPC Issues Severe Thunderstorm Watches for Much of Texas as Supercells Organize

Strong Tornado Hits Southern Mississippi as Severe Threat Shifts Into Alabama and the Florida Panhandle

Brief Warm Surge Tuesday Sets Up Widespread Rain, Severe Risk Wednesday

SPC Flags Persistent Tornado Threat in Southern Illinois, Southeast Missouri and Western Kentucky

Line of Severe Storms Hits Illinois and Indiana With Ohio Valley Now Under Watch Possibility

Spring Warmth Fuels Midweek Severe-Storm Threat Across Central and Eastern U.S.

Plains Supercells Organize Into Clusters as Urban Flood Risk Rises

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Mesoscale Discussions