Tuesday, November 26, 2013

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 270102
SWODY1
SPC AC 270100

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0700 PM CST TUE NOV 26 2013

VALID 270100Z - 271200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM PORTIONS OF FL TO THE
COASTAL CAROLINAS...

...FL PENINSULA...
THE SOUTHERN STREAM UPPER LOW HAS BEGUN TO TAKE ON A MORE NEUTRAL
TILT/ACCELERATE EASTWARD OVER LA/ADJACENT GULF OF MEXICO EARLY THIS
EVENING. MULTIPLE BANDS OF TSTMS WILL CONTINUE TO MOVE INLAND/SPREAD
EAST-NORTHEASTWARD ACROSS THE FL PENINSULA TONIGHT IN ASSOCIATION
WITH PRE-COLD FRONTAL CONFLUENCE. WHILE THE BOUNDARY LAYER WILL
NOCTURNALLY COOL A FEW DEGREES F...A RELATIVELY MOIST AIRMASS /UPPER
60S TO LOWER 70S F SURFACE DEWPOINTS/ WILL CONTRIBUTE TO SUFFICIENT
INSTABILITY FOR A CONTINUED ISOLATED/MARGINAL SEVERE RISK AS STORMS
CROSS THE PENINSULA. WHILE LOW-LEVEL WINDS WILL TEND TO GRADUALLY
VEER TONIGHT...SOME TORNADO RISK WILL CONTINUE TO EXIST WITH
EMBEDDED/ISOLATED SUPERCELLS ASIDE FROM A MORE PROBABLE LOCALIZED
WIND DAMAGE THREAT.

...FAR SOUTHEAST GA/COASTAL CAROLINAS...
A NEAR-COASTAL LOW-TOPPED SUPERCELL/SMALL BOWING SEGMENT RISK WILL
CONTINUE IN THE SHORT TERM ACROSS COASTAL GA/SC...AND POTENTIALLY
INCREASE THROUGH LATE EVENING/OVERNIGHT ACROSS COASTAL NC AS A
MARITIME AIRMASS CONTINUES TO GRADUALLY MOVE INLAND. THIS INCLUDES
THE POTENTIAL FOR DAMAGING WINDS AND A TORNADO OR TWO. FOR
ADDITIONAL SHORT-TERM DETAILS...SEE MESOSCALE DISCUSSION 2047.

..GUYER.. 11/27/2013

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