Excessive runoff into the Ottawa River Basin in Canada restricted the outlet of Lake Ontario. This combined with above normal precipitation into the Lake Ontario Basin, record levels on the Great Lakes above Lake Ontario, and higher than normal flows into the lake from the…
Read the full account →A southeastward-moving surface cold front across southern Lower MI and northern IN approached northwest OH during the early morning of the 17th.
Read the full account →A stalled surface boundary and weak upper level disturbance worked together to form severe storms over the northwest to central Texas Panhandle.
Read the full account →Slow moving training thunderstorms developed across the Downeast coast during the early morning hours of the 9th along a cold front. The thunderstorms produced very heavy rainfall and flash flooding along portions of the Downeast coast.
Read the full account →Widespread lakeshore flooding from record high water levels of the Great Lakes and periodic strong onshore flow occurred from late April 2019 to November 2019. Extensive erosion and property damage occurred, with monetary values in the millions.
Read the full account →Monetary losses do not include insured losses. Fatalities are preliminary until the Florida Medical Examiner releases the official information. This document will be updated once released.
Read the full account →Rainfall of one to three inches on frozen ground and into a snow pack with between 2 and 5 inches of liquid water equivalent resulted in considerable overland flooding.||One of the hardest hit areas was around Yankton, where a No Travel Advisory was issued for the city on March…
Read the full account →On the morning of Thursday, September 19, a line of showers and thunderstorms formed along a cold front that moved southeastward across South Central Texas from the Hill Country.
Read the full account →A stalled stationary boundary within a very moist airmass provided a focusing mechanism for several rounds of heavy rain that resulted in widespread flash flooding across northeast New Jersey.
Read the full account →A large plume of concentrated moisture or Atmospheric River (AR) with an associated low-pressure system moved across the Pacific Ocean and transported tropical moisture from the southwest which impacted Southeast Alaska (SEAK) from December 1st through December 2nd.
Read the full account →A historic flooding event unfolded as heavy rainfall drenched the area on March 13-14, 2019. With frozen and impervious ground, full and rapid runoff was maximized.
Read the full account →After a very snowy winter across the upper Midwest and numerous rounds of heavy rain across the Missouri and Mississippi River basins through the spring and early summer months, the rivers rose to record levels.
Read the full account →Multiple rounds of severe thunderstorms and extremely heavy rainfall over several days led to historic and devastating flash floods, record breaking river levels, large hail, wind damage, and at least one tornado across the Missouri Ozarks region.
Read the full account →Rainfall of one to three inches on frozen ground and into a snow pack with between 1 and 3 inches of liquid water equivalent resulted in considerable areal flooding and flooding of small streams.
Read the full account →As an upper-level low pressure system moved over central parts of the country, a few storm systems moved across the state of Mississippi. These brought rounds of severe thunderstorms and heavy rain to the region, eventually leading to the first wave of significant flooding in…
Read the full account →A stationary front remained draped across the southern Virginia border through the day on July 20, 2024. Meanwhile, a weak surface low developed along the front during the afternoon before moving offshore by the early evening.
Read the full account →The historic late season snowstorm of May 1-2 dumped three to more than four inches of liquid water equivalent precipitation over the higher terrain of Baraga, Marquette and western Alger counties.
Read the full account →The historic late season snowstorm of May 1-2 dumped three to more than four inches of liquid water equivalent precipitation over the higher terrain of Baraga, Marquette and western Alger counties.
Read the full account →The historic late season snowstorm of May 1-2 dumped three to more than four inches of liquid water equivalent precipitation over the higher terrain of Baraga, Marquette and western Alger counties.
Read the full account →A frontal zone remained locked in place under southwest flow aloft as a series of mid-level waves moved across the region over a three day period.
Read the full account →Hurricane Ian made landfall along the South Carolina coast near Georgetown during the early afternoon hours of September 30, 2022. Widespread wind gusts over tropical storm force and heavy rainfall occurred across much of central North Carolina through the afternoon and evening…
Read the full account →Hurricane Ian made landfall along the South Carolina coast near Georgetown during the early afternoon hours of September 30, 2022. Widespread wind gusts over tropical storm force and heavy rainfall occurred across much of central North Carolina through the afternoon and evening…
Read the full account →Hurricane Ian made landfall along the South Carolina coast near Georgetown during the early afternoon hours of September 30, 2022. Widespread wind gusts over tropical storm force and heavy rainfall occurred across much of central North Carolina through the afternoon and evening…
Read the full account →Hurricane Ian made landfall along the South Carolina coast near Georgetown during the early afternoon hours of September 30, 2022. Widespread wind gusts over tropical storm force and heavy rainfall occurred across much of central North Carolina through the afternoon and evening…
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