- Heat Index
- Dew Point
- Visible Satellite
- Snow Depth
- Jet Stream
- Flight Rules
- UV Forecast
- Air Quality
Weather Underground midday recap for Wednesday, July 29, 2015
A cold front extended from the Great Lakes to the southern Plains on Wednesday, while monsoonal moisture returned to the Southwest.
An extensive cold front stretched across the central Great Lakes, the upper Midwest, the middle Mississippi Valley and the southern Plains. This frontal boundary transitioned eastward, and initiated thunderstorms from the upper Midwest to the northern Tennessee Valley. Bloomington, Ill., reported a midday total of 1.57 inches of rain. Madison, Wis., reported a midday total of 1.42 inches of rain. Temperatures west of the frontal boundary dropped 10 to 15 degrees below normal for late July. West Yellowstone, Mont., recorded a morning low of 28 degrees, while Pinedale, Wyo., recorded a morning low of 30 degrees. Additionally, a stationary front extended across the Ohio Valley and the Northeast. Isolated thunderstorms fired up along and near this frontal boundary. A severe thunderstorm warning was issued in southern Maine on Wednesday.
Meanwhile, widespread rain and thunderstorms persisted across the Southeast. Flood warnings remained in effect for west central Florida. Tampa, Fla., reported a midday total of 1.74 inches of rain. Temperatures continued to range between the 90s and 100s from the southern Plains to the Deep South. Excessive heat warnings were issued across the lower and middle Mississippi Valley due to high humidity over the region. Millington, Tenn., recorded a midday high of 97 degrees with a heat index of 109 degrees.
Monsoonal moisture made a return to the southern high Plains and the Southwest on Wednesday, which triggered showers and thunderstorms across several states. Flash flood watches were issued in northern New Mexico in anticipation of strong thunderstorms. Warm, dry conditions prevailed across the Northwest due to a ridge of high pressure over the eastern Pacific. Temperatures ranged between the 90s and 100s from interior northern California to south central Oregon.