This was a multi-day severe weather and flood event. It started with a large-scale upper level low pressure system which deepened over the Four-Corners region. Moisture and instability increased in advance of this system.
Read the full account →Tropical moisture, associated with the remnants of Hurricane Newton, streamed into the southern Great Lakes ahead of a low pressure that developed and moved into central Indiana. Showers and thunderstorms developed across the area with heavy rain reported in many spots.
Read the full account →Hurricane Matthew moved northeast offshore of the North Carolina coast late on October 8th through October 9th. Widespread heavy rain developed on October 8th and continued through early on October 9th as Matthew approached and moved offshore of the coast.
Read the full account →Hurricane Matthew moved northeast offshore of the North Carolina coast late on October 8th through October 9th. Widespread heavy rain developed on October 8th and continued through early on October 9th as Matthew approached and moved offshore of the coast.
Read the full account →Hurricane Matthew moved northeast offshore of the North Carolina coast late on October 8th through October 9th. Widespread heavy rain developed on October 8th and continued through early on October 9th as Matthew approached and moved offshore of the coast.
Read the full account →Hurricane Matthew moved northeast offshore of the North Carolina coast late on October 8th through October 9th. Widespread heavy rain developed on October 8th and continued through early on October 9th as Matthew approached and moved offshore of the coast.
Read the full account →Hurricane Matthew moved northeast offshore of the North Carolina coast late on October 8th through October 9th. Widespread heavy rain developed on October 8th and continued through early on October 9th as Matthew approached and moved offshore of the coast.
Read the full account →Thunderstorms brought heavy rain to northwest Wisconsin early Monday, July 11th which helped to saturate the soil. During the day a strong low level jet pumped very moist air into the region.
Read the full account →Major Hurricane Matthew moved northwest from the eastern tip to Cuba, reaching the extreme western coast of Grand Bahama Island during the evening of October 6 at Category 4 strength.
Read the full account →Major Hurricane Matthew moved up the southeast coast and slowly weakened to a category 1 storm as it moved up along the South Carolina coast and then eastward near the North Carolina coast.
Read the full account →The atmosphere near the islands became unstable as a mid-level trough moved through the area. The Big Island of Hawaii and Maui saw the most significant rainfall from this feature.
Read the full account →Deep-layer westerly flow aided in a persistent influx of moisture across the steep coastal terrain of Northwest California. Heavy rain occurred as a result, leading to rapid rises on creeks, streams and rivers.
Read the full account →A surge of moisture and unstable air aloft (steep mid level lapse rates) created a favorable environment for strong to severe thunderstorms producing large hail as a weak cold front dropped southeast into the Tennessee Valley.
Read the full account →Clusters of showers and thunderstorms began affecting central and eastern Kentucky during the pre-dawn hours of Friday April 3rd. The initial complex of thunderstorms targeted areas from Louisville across the Bluegrass Region in parts of east-central Kentucky, including the…
Read the full account →Subtropical moisture from the remnants of Hurricane Linda brought widespread showers to most of the area, deserts included. The first isolated thunderstorm developed on the 6th in San Diego County as a moisture surge in monsoon warm upper level flow arrived.
Read the full account →Severe thunderstorms developed during the afternoon hours to the east of a surface low pressure system located over southwestern Oklahoma and near a stationary frontal boundary that was draped across northeastern Oklahoma and northwestern Arkansas.
Read the full account →A prolonged period of rainfall occurred from the early morning hours of December 26th to the evening of December 28th. The heaviest rainfall occurred in a 50 to 75 mile wide swath from southwest Missouri through the Greater St. Louis Metropolitan Area and into central Illinois.
Read the full account →An upper level shortwave trough moved around the longwave low over the Four Corners region. This upper distubance interacted with a surface boundary moving northward as a warm front from South Texas into a very moist airmass.
Read the full account →A potent Spring storm system took shape across the Southern and Central Plains. Strong surface cyclogenesis took shape during the day, allowing ample moisture to return northward with strong southerly flow.
Read the full account →An upper level shortwave trough moved around the longwave low over the Four Corners region. This upper distubance interacted with a surface boundary moving northward as a warm front from South Texas into a very moist airmass.
Read the full account →An upper level shortwave trough moved around the longwave low over the Four Corners region. This upper distubance interacted with a surface boundary moving northward as a warm front from South Texas into a very moist airmass.
Read the full account →A warm front combined with an upper level trough and deep moisture produced heavy rainfall and severe thunderstorms across much of South Central Texas on October 30th and 31st. Damage surveys confirmed four tornadoes.
Read the full account →A warm front combined with an upper level trough and deep moisture produced heavy rainfall and severe thunderstorms across much of South Central Texas on October 30th and 31st. Damage surveys confirmed four tornadoes.
Read the full account →A warm front combined with an upper level trough and deep moisture produced heavy rainfall and severe thunderstorms across much of South Central Texas on October 30th and 31st. Damage surveys confirmed four tornadoes.
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