Tropical Depression Nine developed in the eastern Caribbean in the morning of Friday, September 23rd. The system steadily strengthened as it tracked to the northeast and became Hurricane Ian in the morning of Monday, September 26th.
Read the full account →The upper-level high pressure system was located over the Great Basin area on August 16, 2022, while a backdoor front moved into eastern New Mexico before stalling along the east slopes of the central mountain chain.
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 →Moisture values continued to be on the rise across northern and central New Mexico on July 20, 2022, and this led to a very active monsoon day for the area. Scattered to numerous thunderstorms were common across much of the area, particularly across the mountainous terrain.
Read the full account →An active moonsoon pattern continued across New Mexico on July 25, 2022, as a steady stream of moisture stayed in place over western and central New Mexico.
Read the full account →A deluge of showers and thunderstorms continuously rocked West Virginia during the final week of July as a stationary frontal boundary remained draped over the state for a prolonged period of time.
Read the full account →A broken line of thunderstorms developed ahead of a cold front extending from a low pressure system over the eastern Great Lakes through the mid-Mississippi River Valley.
Read the full account →September 12 flash flood and debris and surveyed areas. Debris flow Oak Glen Potato Canyon Birch creek (caught on video time lapse) which as 100,000 cubic yards of debris. Debris flow Valley of the Falls on Prospect street (death) up to 8 feet high with large boulders.
Read the full account →Daytime heating combined with divergence aloft associated with an easterly wave near the Arizona/New Mexico border promoted thunderstorm initiation across southeast Arizona during the afternoon of the 30th.
Read the full account →A very moist (PWATs 2.0+ inches) and unstable (MLCAPE 2000-3000 J/KG) air mass led to a very conducive environment for vigorous thunderstorm activity across portions of southeast California.
Read the full account →An upper low over the Central Plains moved into the Upper Mississippi Valley during the evening hours of Friday, March 14, 2025. Increasing moisture advection ahead of an approaching cold front lifted dewpoints into the low to mid 60s.
Read the full account →An upper low over the Central Plains moved into the Upper Mississippi Valley during the evening hours of Friday, March 14, 2025. Increasing moisture advection ahead of an approaching cold front lifted dewpoints into the low to mid 60s.
Read the full account →Intense daytime heating combined with modest atmospheric moisture resulted in the development of showers and thunderstorms across the central mountain chain during the afternoon hours.
Read the full account →An upper low over the Central Plains moved into the Upper Mississippi Valley during the evening hours of Friday, March 14, 2025. Increasing moisture advection ahead of an approaching cold front lifted dewpoints into the low to mid 60s.
Read the full account →An upper low over the Central Plains moved into the Upper Mississippi Valley during the evening hours of Friday, March 14, 2025. Increasing moisture advection ahead of an approaching cold front lifted dewpoints into the low to mid 60s.
Read the full account →A potent storm system brought multiple rounds of thunderstorms and severe weather to Middle Tennessee on March 15, 2025. The main risk for severe weather was associated with a line of thunderstorms that tracks east across Middle Tennessee during the afternoon and evening hours.
Read the full account →Light precipitation entered into southeast Virginia on the evening of February 14th, with more substantial rain spreading across the area overnight into the 15th as a warm front approached from the south.
Read the full account →Active weather in the form of flash flooding and strong thunderstorms prevailed over southeast Ohio on May 13th as a result of a nearby frontal boundary.
Read the full account →Severe thunderstorms developed along a stationary front, situated along the South Dakota and Nebraska Border during the early evening hours of June 12th.
Read the full account →On the morning of April 24th, a remnant mesoscale convective vortex (MCV) that originated off the southeast Texas coast drifted along the northern Gulf and eventually stalled near the Baton Rouge metro area.
Read the full account →An upper low moved across the desert southwest June 1st into June 2nd helping to pull up higher moisture from former Tropical Storm Alvin in the eastern Pacific.
Read the full account →A deep upper level trough was observed exiting the southern Rockies during the morning of February 15th, with southwesterly windflow ahead of the trough allowing for a fetch of deep moisture from the western Gulf of America.
Read the full account →A couple rounds of scattered heavy rains from late on the 28th through the morning of the 29th brought 1 to 2 inches of rainfall, to several areas from Bloomington into parts of Brown County and Lawrence County.
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