Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS03 KWNS 280726
SWODY3
SPC AC 280725

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0225 AM CDT FRI AUG 28 2015

VALID 301200Z - 311200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED ON SUNDAY IN THE
MISSISSIPPI VALLEY EASTWARD INTO THE OHIO AND TENNESSEE VALLEYS AND
SOUTHWARD INTO THE GULF COAST STATES. SCATTERED THUNDERSTORMS ARE
ALSO EXPECTED IN THE DESERT SOUTHWEST...ROCKY MOUNTAINS AND NORTHERN
PLAINS. THUNDERSTORMS WILL ALSO BE POSSIBLE ACROSS PARTS OF FLORIDA
IN ASSOCIATION WITH TROPICAL STORM ERIKA.

...FLORIDA...
THE NATIONAL HURRICANE CENTER IS CURRENTLY FORECASTING TROPICAL
STORM ERIKA TO MOVE TOWARD THE SRN FL COAST ON SUNDAY. THUNDERSTORM
ACTIVITY WILL BE POSSIBLE IN SRN AND ERN FL SUNDAY AFTERNOON THROUGH
THE OVERNIGHT PERIOD IN ASSOCIATION WITH ERIKA. IN RESPONSE TO
STRONG WIND FIELDS...ROTATING STORMS CAN NOT BE RULED OUT WITHIN THE
RAINBANDS OF ERIKA. DUE TO UNCERTAINTIES REGARDING METEOROLOGICAL
CONDITIONS AND THE EXACT TRACK OF ERIKA...WILL NOT ADD SEVERE
PROBABILITIES ATTM.

ELSEWHERE...AN UPPER-LEVEL RIDGE FROM THE SWRN U.S. INTO THE NCNTRL
STATES IS FORECAST TO BUILD NEWD INTO THE UPPER MS VALLEY ON SUNDAY.
AS SFC TEMPS WARM SUNDAY BENEATH THE UPPER-LEVEL RIDGE...SCATTERED
THUNDERSTORM DEVELOPMENT WILL LIKELY OCCUR OVER THE DESERT SW AND
FOUR CORNERS REGION. ISOLATED TO SCATTERED THUNDERSTORMS WILL ALSO
BE POSSIBLE SUNDAY AFTERNOON IN A MOIST AIRMASS ACROSS THE MS
VALLEY...OH AND TN VALLEYS AND GULF COAST STATES. SEVERE
THUNDERSTORMS ARE NOT EXPECTED ACROSS THE CONUS ON SUNDAY OR SUNDAY
NIGHT DUE TO WEAK DEEP-LAYER SHEAR AND POOR LAPSE RATES.

..BROYLES.. 08/28/2015



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