THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 10 FOR HIGH HEAT INDICES
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
432 AM EDT SUN JUL 24 2011
...RECORD-BREAKING HEAT WAVE BEGINNING TO ABATE OVER THE EASTERN
U.S...
EXCESSIVE HEAT WARNINGS AND HEAT ADVISORIES ARE IN EFFECT FOR
PARTS OF THE CENTRAL U.S. AND OHIO RIVER VALLEY...AS WELL AS AREAS
FROM THE EASTERN CAROLINAS NORTHWARD INTO THE EASTERN
MID-ATLANTIC. HOT TEMPERATURES... COMBINED WITH THE HIGH HUMIDITY
LEVELS...WILL CREATE HEAT INDICES BETWEEN 100 TO 115 DEGREES
DURING THE AFTERNOON HOURS.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
HEAT INDEX SAFETY INFORMATION AND MEANINGS OF WATCHES...WARNINGS
AND ADVISORIES CAN BE FOUND AT WWW.WEATHER.GOV/OM/HEAT/INDEX.SHTML
GRAPHICAL HEAT INDEX FORECASTS CAN BE FOUND AT
www.hpc.ncep.noaa.gov/heat_index_MAX.shtml
...SELECTED HIGH HEAT INDEX VALUES FROM SATURDAY JULY 23 2011...
...DELAWARE...
GEORGETOWN 110
WILMINGTON 109
DOVER 106
...ILLINOIS...
TAYLORVILLE 115
MOUNT VERNON 110
SPRINGFIELD 107
...KANSAS...
TOPEKA 109
WICHITA 109
...MARYLAND...
OCEAN CITY 120
EASTON 112
BALTIMORE 109
...MISSOURI...
ST. LOUIS 110
JEFFERSON CITY 108
KANSAS CITY 107
...NEW JERSEY...
ATLANTIC CITY 109
TRENTON 107
CAPE MAY 106
...NORTH CAROLINA...
ELIZABETH CITY 113
WILMINGTON 111
ROCKY MOUNT 109
FAYETTEVILLE 109
RALEIGH 107
...PENNSYLVANIA...
HARRISBURG 107
PHILADELPHIA 105
...SOUTH CAROLINA...
MYRTLE BEACH 110
CHARLESTON 108
FLORENCE 106
...VIRGINIA...
NORFOLK 114
VIRGINIA BEACH 114
NEWPORT NEWS 111
RICHMOND 110
ARLINGTON (DCA) 108
STERLING 106
A LARGE RIDGE OF HIGH PRESSURE IN THE UPPER LEVELS OF THE
ATMOSPHERE REMAINS IN PLACE ACROSS THE EASTERN HALF OF THE
U.S...CONTINUING TO KEEP HOT TEMPERATURES IN PLACE. THE HOT
TEMPERATURES COMBINED WITH HIGH DEW POINTS WILL CREATE HEAT
INDICES ABOVE 100 DEGREES FROM THE CENTRAL PLAINS EASTWARD INTO
THE OHIO VALLEY AND PORTIONS OF THE MIDDLE ATLANTIC STATES. HIGH
TEMPERATURES OF 95 TO 100 DEGREES WILL BE POSSIBLE SUNDAY ACROSS
MUCH OF THIS REGION. A SLIGHT COOLING TREND OVER THE EASTERN U.S.
IS EXPECTED FOR EARLY THIS WEEK WITH A RETURN TO NEAR AVERAGE
CONDITIONS FOR LATE JULY.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 500 AM EDT...MONDAY...JULY 25. PLEASE REFER
TO YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION ON THIS EVENT.
HAMRICK
Last Updated: 432 AM EDT SUN JUL 24 2011