DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 190427
SWODY1
SPC AC 190425

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1125 PM CDT SUN AUG 18 2013

VALID 191200Z - 201200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
RELATIVELY WEAK FLOW WILL EXIST ACROSS MOST OF THE CONUS ON MON WITH
NRN STREAM JET ACROSS THE US/CANADA BORDER. A LOW AMPLITUDE
SHORTWAVE TROUGH WILL DEPART THE UPPER MS VALLEY EARLY IN THE PERIOD
WITH A WEAKENING SFC TROUGH OVER THE ERN DAKOTAS/MN...AND WILL
GENERALLY RESULT IN DECREASING STORM CHANCES DESPITE A RESIDUAL
MOIST/UNSTABLE AIR MASS. LOW LEVEL MOISTURE WILL REMAIN OVER THE
SERN STATES WITH SCATTERED DAYTIME NON-SEVERE STORMS.

...MN...NRN WI...UPPER MI...
ISOLATED THUNDERSTORMS MAY BE ONGOING ACROSS CNTRL OR NRN MN WITH A
MARGINAL HAIL THREAT DUE TO COOL TEMPERATURES ALOFT...BUT SHEAR
PROFILES GENERALLY DO NOT APPEAR TO SUPPORT SEVERE WEATHER. THESE
STORMS SHOULD QUICKLY MOVE EWD AND WILL LIKELY DWINDLE DUE TO
SUBSIDENCE BEHIND THE SHORTWAVE TROUGH. WHILE INSTABILITY WILL
REMAIN OVER THE REGION DURING THE DAY...LACK OF FORCING WILL LIKELY
HAMPER ANY DEVELOPMENT.

..JEWELL/DARROW.. 08/19/2013

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.