SWODY2
SPC AC 180614
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1214 AM CST SUN NOV 18 2007
VALID 191200Z - 201200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
ERN U.S. UPPER TROUGH IS FORECAST TO MOVE OFFSHORE DURING THE FIRST
HALF OF THE PERIOD...WITH A SECOND TROUGH PROGGED TO MOVE
INTO/ACROSS THE WRN CONUS. IN BETWEEN...A LARGE/FLAT RIDGE WILL
PREVAIL.
AT THE SURFACE...A LOW ASSOCIATED WITH THE WRN UPPER TROUGH IS
FORECAST TO MOVE SEWD/ESEWD OUT OF THE ROCKIES INTO THE PLAINS
DURING THE SECOND HALF OF THE PERIOD. ELSEWHERE...A LARGE AREA OF
HIGH PRESSURE SHOULD PREVAIL ACROSS THE ERN AND S CENTRAL STATES.
SHOWERS AND PERHAPS A FEW LIGHTNING STRIKES MAY AFFECT PORTIONS OF
THE TX GULF COAST...WHERE MOIST/MINIMALLY-UNSTABLE AIRMASS WILL
LINGER. SHOWERS AND A FEW LIGHTNING STRIKES MAY ALSO OCCUR NEAR THE
WA COAST DURING THE FIRST HALF OF THE PERIOD...AS MID-LEVEL TROUGH
AND ASSOCIATED -30 TO -34 H5 TEMPERATURES MOVE ONSHORE. ELEVATED
SHOWERS -- AND PERHAPS A LIGHTNING STRIKE OR TWO -- MAY ALSO SPREAD
ACROSS PARTS OF THE MID/UPPER OH VALLEYS...WITHIN ZONE OF WARM
ADVECTION ASSOCIATED WITH A WLY LOW-LEVEL JET. OVERALL
HOWEVER...THUNDER THREAT SHOULD REMAIN LOW...AND SEVERE THREAT
BASICALLY NON-EXISTENT THROUGH THE PERIOD.
.GOSS.. 11/18/2007
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment