408
FXUS01 KWBC 130818
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
417 AM EDT WED JUN 13 2012
VALID 12Z WED JUN 13 2012 - 12Z FRI JUN 15 2012
..COOLER AND DRIER WEATHER FOR THE EAST COAST
...SCATTERED SHOWERS FOR THE PACIFIC NORTHWEST AND NORTHERN
ROCKIES...
...SEVERE THUNDERSTORMS POSSIBLE FOR THE UPPER MIDWEST ON
THURSDAY...
..HOT AND HUMID WEATHER CONTINUES IN SOUTHERN TEXAS
AFTER CLOUDY AND RAINY CONDITIONS ON TUESDAY, A PLEASANT CHANGE IN
THE WEATHER IS EXPECTED FOR THE REST OF THE WEEK OVER THE
MID-ATLANTIC AND NORTHEAST AS A COLD FRONT MOVES THROUGH THE
REGION. HUMIDITY LEVELS WILL BE NOTICEABLY LOWER AND TEMPERATURES
WILL BE NEAR OR SLIGHTLY BELOW NORMAL FOR MID JUNE. THERE SHOULD
BE SOME LINGERING SHOWERS OVER EASTERN NEW ENGLAND ON WEDNESDAY,
BUT THESE SHOULD CLEAR THAT AREA BY THURSDAY.
OUT WEST, EMBEDDED SHORTWAVES IN A MAINLY ZONAL FLOW PATTERN IS
EXPECTED TO RESULT IN SCATTERED RAIN SHOWERS IN THE FORECAST
THROUGH THURSDAY ACROSS THE PACIFIC NORTHWEST AND ALSO INTO THE
NORTHERN ROCKIES. THIS ALSO INCLUDES SOUTHERN PARTS OF BRITISH
COLUMBIA AND ALBERTA. MUCH OF THE RAIN SHOULD BE LIGHT IN NATURE
GIVEN THE LIMITED MOISTURE CONTENT WORKING ITS WAY INLAND, WITH
LOCALLY ENHANCED SHOWERS ALONG THE WESTERN SLOPES OF THE CASCADE
MOUNTAINS. OVER THE UPPER MIDWEST, A ROUND OF STRONG TO SEVERE
THUNDERSTORMS FROM IOWA INTO MINNESOTA IS EXPECTED AS A COLD FRONT
INTERACTS WITH A DEEP MOISTURE SURGE FROM THE GULF OF MEXICO.
OVER SOUTHERN PARTS OF TEXAS, HIGH HEAT INDICES CONTINUE TO BE IN
THE FORECAST, ALTHOUGH NOT QUITE AS HIGH AS THE PAST FEW DAYS.
TEMPERATURES ARE FORECAST TO BE IN THE MID TO UPPER 90S, ALONG
WITH DEWPOINTS IN THE 70S. THIS IS EXPECTED TO RESULT IN HEAT
INDICES OF 100 TO 110 DEGREES DURING THE HOTTEST TIME OF THE DAY
FOR MIDWEEK.
D. HAMRICK
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