Once again the atmosphere over Iowa became very unstable during the peak heating of the day. CAPE rose to 3500-4500 J/kg by the mid to late afternoon with lifted indices of -8 to -10 C.
Read the full account →Hurricane Irma made landfall over the Lower Florida Keys as a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale, with the eye crossing directly over Cudjoe Key.
Read the full account →Very heavy rainfall of around 1.5 inches (with rainfall rates up to 5 inches per hour) occurred across the Waldo and Williams Canyon watersheds, producing flooding on US Highway 24 and in Manitou Springs. Flash flooding occurred from Cascade to Waldo Canyon along US Highway 24.
Read the full account →A backdoor cold front along with northerly flow aloft boosted moisture across northern New Mexico on the 27th. A disturbance within that northerly flow kicked off early morning showers and thunderstorms along and east of the central mountains, moving slowly to the south.
Read the full account →A long lasting and multi faceted storm system moved through central Indiana beginning during the late afternoon hours of June 18th and continued through the evening hours with widespread damaging winds and very large hail before transitioning into a flash flooding event during…
Read the full account →A historic flash flood and record rainfall occurred over portions of the Milwaukee Metropolitan Area and Southeast WI resulting in damages in the $100s Millions.
Read the full account →Hurricane Gustav moved northwestward into the southeast Louisiana coast during the early morning hours of September 1st. The storm continued a steady northwestward motion into east central Louisiana and northwest Louisiana during the evening hours of September 1st.
Read the full account →Tropical Storm Fay affected South Florida on the 18th and 19th of August. The storm made landfall early in the morning of the 19th near Cape Romano, and moved over inland sections of South Florida during the morning and afternoon hours of the 19th, exiting the area near Lake…
Read the full account →Tropical Storm Helene formed in the NW Caribbean Sea on September 24. Helene moved northward into the Gulf of Mexico where it strengthened into a hurricane on September 25.
Read the full account →A historic flash flood and record rainfall occurred over portions of the Milwaukee Metropolitan Area and Southeast WI resulting in damages in the $100s Millions.
Read the full account →Hurricane Helene made landfall in Florida as a powerful Category 4 hurricane late Thursday, September 26, and moved quickly northward into the southeastern states, and then turned slightly northwestward towards the southern Appalachian Mountains overnight into Friday morning,…
Read the full account →Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th.
Read the full account →The ninth named storm, fourth hurricane, and second major hurricane of the 2021 Atlantic hurricane season, Ida originated from a tropical wave in the Caribbean Sea on August 23rd.
Read the full account →Multiple rounds of severe convection and flooding occurred from the predawn hours of the 29th into morning hours of the 30th. The most significant round of severe thunderstorm activity occurred across portions of western-north Texas on the evening of the 29th, where intense…
Read the full account →A prolonged period of wet weather brought heavy snowfall and strong winds to the Sierra Nevada. Heaviest snowfall was observed from 12/24-12/26 when snow levels came down below the mountain passes.
Read the full account →After making landfall as a major hurricane in southwest Florida near Cayo Costa, Ian crossed the peninsula and into east central Florida (southern Osceola County) as a Category 1 Hurricane with estimated maximum sustained winds of 75 mph.
Read the full account →The ninth named storm, fourth hurricane, and second major hurricane of the 2021 Atlantic hurricane season, Ida originated from a tropical wave in the Caribbean Sea on August 23rd.
Read the full account →Multiple rounds of heavy rainfall affected Vermont from late afternoon of the 9th through the early morning hours on the 11th. During the roughly 36-hour period, 4 to as much as 9 inches of rain fell across much of the Green Mountains, leading to devastating flash and riverine…
Read the full account →A tropical wave emerged off of Africa during August 16 and then developed into a depression by the 20th. The system gradually became better organized as it passed across the Greater Antilles. It entered the Gulf of Mexico and became a hurricane on the 25th.
Read the full account →Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th.
Read the full account →A powerful winter storm brought flooding rain, high winds, and a tornado to the Upstate from the evening of the 7th into the early morning of the 8th. Rainfall between 4 and 7 inches during a 2-day period across the mountains and foothills resulted in significant flooding.
Read the full account →Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th.
Read the full account →A multi-day significant heavy rainfall event from June 20-22 resulted in widespread rain totals between 5 and 10 inches across portions of southeast South Dakota, northwest Iowa, and southwest Minnesota.
Read the full account →The ninth named storm, fourth hurricane, and second major hurricane of the 2021 Atlantic hurricane season, Ida originated from a tropical wave in the Caribbean Sea on August 23rd.
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