A strong upper level low pressure system settled over northern Mexico on March 8th, and became stationary through March 12th as it was cut off from the upper level jet stream, with a blocking upper ridge having developed over Florida and the western Atlantic.
Read the full account →A slow-moving upper trough combined with a stalling front, and a large swath of tropical moisture, to produce record and near-record rainfall across parts of North Texas late August 21 through August 22.
Read the full account →A slow-moving upper trough combined with a stalling front, and a large swath of tropical moisture, to produce record and near-record rainfall across parts of North Texas late August 21 through August 22.
Read the full account →A strong winter storm brought heavy mountain snow, moderate to heavy rain with river and roadway flooding, and gusty southerly winds February 3rd through 5th.
Read the full account →Above normal rainfall over the course of June, combined with a robust rainfall event between June 20th and 22nd, led to widespread river flooding across portions of southeast Minnesota.
Read the full account →A stalled low pressure system remained to the southwest of New Mexico while an anomalously moist air mass also stayed in place on May 31, 2021.
Read the full account →An area of high pressure that had been centered over Nevada for several days finally began to weaken on July 13, 2021, while abundant moisture continued across New Mexico. As this high pressure weakened, a weak embedded disturbance crossed the area.
Read the full account →Monsoon moisture moved into the state, bring abnormally high precipitable water levels. Thunderstorms formed and moved slowly within very light steering flow, with some storms becoming nearly stationary.
Read the full account →The area of high pressure that had been centered over the Four Corners shifted slightly westward on July 6, 2021. Meanwhile, low level return flow continued which aided in keeping moisture values high across New Mexico.
Read the full account →A complex of storms moved across northeast Iowa during the late afternoon and evening of August 27th. These storms produced two tornadoes in the vicinity of Marble Rock (Floyd County).
Read the full account →A slow moving area of upper level low pressure over the Mid-Mississippi Valley pumped semi-tropical weather into the western Carolinas for a couple of days, resulting in occasional rounds of moderate to heavy in the day leading up to the 7th.
Read the full account →A number of rounds of thunderstorms were triggered by a westward moving upper level weather system across southeast Arizona from the afternoon of July 22 into the early morning of July 23.
Read the full account →Troughing over the western CONUS brought southwesterly flow aloft over the central and northern Plains for the duration of this event. In the couple of days leading up to May 21st, the upper-level flow pattern amplified as a trough deepened over the northern Rockies.
Read the full account →Troughing over the western CONUS brought southwesterly flow aloft over the central and northern Plains for the duration of this event. In the couple of days leading up to May 21st, the upper-level flow pattern amplified as a trough deepened over the northern Rockies.
Read the full account →A deep plume of tropical moisture had spread over Central New York ahead of the remnants of Tropical Storm Debby. Prolonged torrential rains blanketed the region during the night and early morning hours before becoming enhanced by the approaching tropical remnants.
Read the full account →A deep plume of tropical moisture had spread over Central New York ahead of the remnants of Tropical Storm Debby. Prolonged torrential rains blanketed the region during the night and early morning hours before becoming enhanced by the approaching tropical remnants.
Read the full account →A major outbreak of severe weather occurred on the 8th for the Quad State region. On the synoptic scale, a longwave trough was centered across the Rockies with deep-layer southwesterly flow from the Southern Plains to the Ohio Valley.
Read the full account →The second major severe weather outbreak for the month occurred on the 26th for the Quad State region. On the synoptic scale, a shortwave trough centered in the middle of the country with a 60 kt mid-level jet moved across northern Arkansas.
Read the full account →A mesoscale convective vortex pushed into the Missouri Ozarks during the afternoon of July 16, 2024, resulting in showers and thunderstorms developing out ahead of it.
Read the full account →A series of shortwave troughs traversing the northern CONUS brought unsettled weather to the area for the end of June. On the 21st, a stationary front was draped across northeast Nebraska into Iowa.
Read the full account →A series of shortwave troughs traversing the northern CONUS brought unsettled weather to the area for the end of June. On the 21st, a stationary front was draped across northeast Nebraska into Iowa.
Read the full account →A series of shortwave troughs traversing the northern CONUS brought unsettled weather to the area for the end of June. On the 21st, a stationary front was draped across northeast Nebraska into Iowa.
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 →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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