The front eventually sagged south back into the Mid-South during the early morning hours of April 5th. Strong low-level moisture transport into the frontal zone resulted in heavy rain and training storms across northern sections of the Mid-South, mainly north of I-40.
Read the full account →Broad, quasi-zonal mid/upper level flow was present over the Great Lakes and Ohio Valley on April 25th, 2025, with surface low pressure slowly moving east across the southern Great Lakes.
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 →During the late evening of July 30, 2025, numerous thunderstorms developed over the Moneta area to the east of Shoshoni, WY and to the north of Highway 20/26.
Read the full account →A disturbance rotating north around the upper high circulation centered over south central U.S. followed by a backdoor front entering eastern New Mexico in the middle of the week increased monsoon moisture and shower and thunderstorm coverage across the state.
Read the full account →On the afternoon of the 2nd a strong surface low was located over the MN/WI area, with a warm front extending southwest through the OH valley, and a trailing cold front extending SSE through the Ozarks.
Read the full account →Tropical Storm Chantal made landfall over northeastern South Carolina during the morning hours of July 6. The remnants of Chantal then tracked west-northwest into portions of central North Carolina, stalling out over the area before tracking east-northeast into Virginia by the…
Read the full account →On September 4th, precipitable water values increased to above normal values, with the 18z Grand Junction sounding showing 0.69 inches of precipitable water.
Read the full account →Thunderstorms developed over parts of western and central North Dakota in an area of elevated instability as an upper level short-wave trough approached. One storm produced 60 mph wind gusts to the southeast of Mercer in Sheridan County during the mid-afternoon.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →Low pressure centered over SEMO slowly drifted eastward into the day. Tropical moisture streamed northeastward into the Quad State early morning on the 7th pushing dew points into the upper 60s to near 70 and precipitable water values of up to 1.75-2.
Read the full account →A nearly stationary upper-level trough combined with tropical moisture remnants from Tropical Storms Priscilla and Raymond, which developed off the eastern Pacific, led to scattered to widespread thunderstorm activity across much of south-central AZ.
Read the full account →Between the evening of November 17th and the evening of the 20th, a slow-moving upper-level low pressure system progressed through the Desert Southwest.
Read the full account →Between the evening of November 17th and the evening of the 20th, a slow-moving upper-level low pressure system progressed through the Desert Southwest.
Read the full account →Diurnally driven afternoon storms on Sunday, July 20th, 2025, developed within an unstable environment with CAPE values over 3000 J/kg and 40 to 45 kts of effective shear.
Read the full account →Between the evening of November 17th and the evening of the 20th, a slow-moving upper-level low pressure system progressed through the Desert Southwest.
Read the full account →Isolated thunderstorms produced funnel clouds across central Illinois during the late morning of July 25th. A narrow line of thunderstorms developed over southeast DuPage and central Cook Counties during the late morning of July 25th and continued into the early afternoon…
Read the full account →Between the evening of November 17th and the evening of the 20th, a slow-moving upper-level low pressure system progressed through the Desert Southwest.
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