After an already very wet month, additional heavy rainfall and thunderstorms moved into Middle Tennessee from Tuesday February 19 into Wednesday February 20.
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 →During the late evening and early morning hours of July 20th/21st, an MCS moved southeast through east-central Missouri. The front edge of the system produced very efficient and heavy rainfall, causing flash flood conditions quickly.
Read the full account →During the late evening and early morning hours of July 20th/21st, an MCS moved southeast through east-central Missouri. The front edge of the system produced very efficient and heavy rainfall, causing flash flood conditions quickly.
Read the full account →The weather pattern changed only slightly from the day before. A strong upper level trough was in place to the west of Iowa with the surface low and cold front near the western Iowa border, and the warm front bisecting the state.
Read the full account →An atmospheric river (300-400 IVT) brought widespread heavy rain to Southern California on April 6th. A few showers lingered into April 7th, but it was low impact.
Read the full account →A strong storm system impacted the Southeast, resulting in an area of widespread heavy rain and embedded strong to severe thunderstorms that moved across western North Carolina during the late night and early morning hours.
Read the full account →A slow moving warm front lifted across the middle Ohio River Valley and central Appalachians on the 30th. Additional support was provided by several mid level shortwave troughs and a weak surface low.
Read the full account →Widespread amounts of three to five inches of rainfall were observed across the mountains and foothills during the 24-hour period ending with the passage of Tropical Storm Zeta across the lower mid-Atlantic region.
Read the full account →A training thunderstorm complex during the night of June 27th into the 28th produced significant flash flooding, as well as minor river flooding on the Green River.
Read the full account →Moisture from Tropical Storm Eta was drawn northward into the Mid Atlantic during the day of Wednesday November 11th. Meanwhile, a slow moving cold front approached the area and made its way through central North Carolina during the day Thursday, resulting in widespread showers…
Read the full account →Several rounds of rain and thunderstorms affected much of Montana during the first half of June. Flash flooding occurred across portions of the region, especially across Fergus County as well as the Rocky Mountains.
Read the full account →A very strong squall line made its way through Middle Tennessee during the morning and afternoon hours of July 20, 2023. Damaging straight-line winds were the primary threat associated with this line of thunderstorms with wind gusts of 65 to 80 mph common.
Read the full account →A very strong squall line made its way through Middle Tennessee during the morning and afternoon hours of July 20, 2023. Damaging straight-line winds were the primary threat associated with this line of thunderstorms with wind gusts of 65 to 80 mph common.
Read the full account →Major flash flooding struck parts of far southern Illinois. The hardest hit counties were Alexander, Pulaski, and Massac in the southern tip of Illinois.
Read the full account →Major flash flooding struck parts of far southern Illinois. The hardest hit counties were Alexander, Pulaski, and Massac in the southern tip of Illinois.
Read the full account →During the pre-dawn hours on July 21, 2023, an elevated east-west boundary was positioned across the Memphis Metropolitan area. Moderately strong low-level moisture transport across this boundary resulted in back-building storms and locally heavy rainfall.
Read the full account →An anomalously-warm and moist air mass was in place across much of the Central Plains and Midwest, resulting in strong to perhaps extreme instability in addition to tropical-like precipitable water values exceeding 2.0 inches.
Read the full account →A trough of low pressure was situated from Buckingham County, VA southeast through Alleghany County, NC during the evening of the 15th, while a cold front was advancing eastward across the mountains.
Read the full account →A stationary front was situated from southeast Missouri into northwest Tennessee during the early morning hours of August 4, 2023. An extremely unstable airmass was situated along and south of the front with surface-based convective available potential energy values of up to…
Read the full account →Idalia first developed into a tropical depression across the western Caribbean Sea near the Yucatan Peninsula on August 26th before slowly gaining strength and becoming a tropical storm on August 27th.
Read the full account →A deep, closed upper level low pressure system was observed over central Alabama on the morning of May 28th. The east winds around this low, allowed deep sub-tropical moisture from the Atlantic to move into lower Mid-Atlantic region.
Read the full account →A strong upper-level system brought widespread rounds of showers and embedded thunderstorms to southern Vermont on July 9-11, 2023. The steadiest and heaviest rainfall occurred from the afternoon hours on July 9 through the morning hours on July 10.
Read the full account →A low pressure system developed over the Gulf of Mexico and tracked northeast across the Florida Peninsula in the early morning hours of December 17th, then strengthened across warm Atlantic waters while passing along the Southeast Coast, bringing impacts in the form of major…
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