UPDATE: 10:15 p.m.
Tornado threat, while not zero, is much lower than it was farther west earlier in the night. The Tornado Watch will be allowed to expire at 11 p.m. with no renewal expected.
A Severe Thunderstorm Watch is in effect for most of Texoma through the early morning hours as a few severe storms with wind or hail may show up well after midnight.
Have a great night - Steve
Severe Storms Expected Overnight: Highest Risk W of Highway 75
5:00 p.m. Tuesday 28 March 2017
An intense and low-moving upper low over west Texas is maintaining a slow movement to the east and a warm front is draped along the Red River, providing good lifting; deep moisture flow continues from the southeast as well. All of these factors come together overnight/Wednesday to provide several rounds of thunderstorms, some severe.
Severe threat is greatest over the western half of Texoma tonight, along and west of Highway 377, where there will be warmer air and more wind shear available. Storms may also produce some very heavy rainfall with flash flooding possible. The activity will trend into a squall line later tonight, reducing the tornado threat farther east but making for a significant damaging wind threat.
Rain will tend to remain over the eastern half of Texoma Wednesday as drier air wraps around the southern sector of the upper low, but the cold air aloft associated with the low may allow for some storm re-development during daytime heating in the afternoon. The whole shebang shuts down Thursday as the low moves away.
Friday should be a very pleasant day with highs in the 70s and lots of sunshine.
Thunderstorms return to the forecast by Saturday, but more likely Sunday, as yet another upper level system heads our way.
Here are the numbers:
Tonight: 80% Thunderstorms, a few severe….Lows low 60s
Wednesday: 40% Thunderstorms, mainly east…..Highs 73 to 77
Thursday: 20% Rain, mainly morning, cooler…..46/63
Friday: Sunny, pleasant!…..44/78
Saturday: 30% Thunderstorms…..56/77
Sunday: 60% Thunderstorms…..56/67
Monday: 20% Showers morning…..54/73
Tuesday: Mostly sunny…53/68
News 12 / Weather Authority
|Lake Texoma Temp||58|
|Grayson County Airport Observed High||75|
|Grayson County Airport Observed Low||53|
|Rain: Sherman-Denison (KXII-TV)||0.00|
|Ardmore Observed Low||49|
|SunRise||March 29, 2017: 7:18 a.m.|
|SunSet||March 29, 2017: 7:45 p.m.|