U.S. Severe Weather Forecast (Convective Outlook)

Day Three

acus03 kwns 230728 
Storm Prediction Center ac 230727 

Day 3 convective outlook 
National Weather Service Storm Prediction Center Norman OK 
0227 am CDT Mon Apr 23 2018 

Valid 251200z - 261200z 

..no severe thunderstorm areas forecast... 

isolated thunderstorms are anticipated over portions of the Southern 
Plains as well as over portions of the mid-Atlantic states on 

A series of shortwave troughs will traverse the broad upper 
troughing anticipated east of The Rockies on Wednesday. The 
progression of these shortwaves coupled with a building upper ridge 
across the intermountain west is expected to result in a general 
amplification of the upper pattern by 12z Thursday. Surface pattern 
will feature a high progressing southward across the Southern Plains 
in the wake of a cold front sweeping across the region. 

Isolated elevated thunderstorms are possible from the Permian Basin 
into North Texas early in the period with additional development 
possible along the front during the afternoon and evening. Limited 
instability is currently expected to preclude severe thunderstorms. 

Farther east, isolated thunderstorms are possible near the surface 
low and attendant trough associated with a weakening cyclone. 
Anticipated low coverage and minimal instability will temper severe 

.Mosier.. 04/23/2018