Severe Storm Outlook Narrative (AC)
Issued by NWS
ACUS03 KWNS 270717
SPC AC 270717
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0217 AM CDT Mon Mar 27 2017
Valid 291200Z - 301200Z
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ON WEDNESDAY
OVER PARTS OF EASTERN OK...WESTERN AR...NORTHEAST TX...AND NORTHWEST
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM EAST TX
NORTHWARD INTO THE MID MS VALLEY...
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PARTS OF
THE SOUTHERN PLAINS INTO THE LOWER AND MIDDLE MS VALLEY...
Severe thunderstorms are possible on Wednesday from parts of Texas
and Oklahoma eastward into the lower and middle Mississippi Valley.
...Eastern TX/OK into the lower and middle MS Valley...
A large upper trough will be present over the southern Plains by
Wednesday morning, with clusters of active convection lingering over
parts of OK/TX. Models are consistent in suggesting that storms
will re-intensify to severe levels during the afternoon over
northeast TX and eastern OK, and spread eastward across LA/AR during
the evening. Wind fields are forecast to be quite strong, and there
is the potential for tornadoes, hail and damaging winds if the
remnant convection from Tuesday does not spread farther east than
forecast before weakening. Given the risk for more widespread
severe storms on Wednesday, have added an ENH risk for parts of AR,
eastern OK, northeast TX, and northwest LA. Activity will likely
track as far east as the MS river overnight, with a continuing