Thursday, November 7, 2013

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 071950
SWODY1
SPC AC 071947

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0147 PM CST THU NOV 07 2013

VALID 072000Z - 081200Z

...NO SVR TSTM AREAS FORECAST...

NO CHANGES ARE MADE TO THE OUTLOOK FOR THIS ISSUANCE.

..BROYLES.. 11/07/2013

.PREV DISCUSSION... /ISSUED 1026 AM CST THU NOV 07 2013/

...SYNOPSIS/FORECAST...
DEEP ASCENT PRECEDING A COMPACT MID-LEVEL VORT MAX CURRENTLY MOVING
ASHORE OVER THE PACIFIC NW WILL SUPPORT MARGINAL DESTABILIZATION
THIS AFTERNOON INTO THE EARLY EVENING ACROSS PARTS OF THE NRN GREAT
BASIN. FORECAST SOUNDINGS INDICATE NARROW CAPE PROFILES EXTENDING
SUFFICIENTLY DEEP INTO ICING LAYERS ALOFT FOR A FEW LIGHTNING
STRIKES ACROSS SERN WA AND NERN ORE INTO CNTRL/NRN ID. ALSO...AN
ISOLATED LIGHTNING STRIKE CANNOT BE RULED OUT WITH BANDED
PRECIPITATION OVER THE GREAT LAKES REGION OWING TO THE INFLUENCE OF
RELATIVELY WARMER WATER TEMPERATURES BENEATH A MID/UPPER-LEVEL
TROUGH. ELSEWHERE ACROSS THE CONUS...STATICALLY STABLE THERMODYNAMIC
PROFILES WILL PRECLUDE THUNDERSTORM DEVELOPMENT.

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