THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 9 FOR HIGH HEAT INDICES...CORRECTED
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
438 AM EDT SAT JUL 23 2011
...RECORD-BREAKING HEAT WAVE CONTINUES ACROSS MUCH OF THE CENTRAL
U.S. AND EASTERN U.S...
EXCESSIVE HEAT WARNINGS AND HEAT ADVISORIES ARE IN EFFECT FOR MUCH
OF THE CENTRAL U.S. AND OHIO RIVER VALLEY...AS WELL AS AREAS FROM
THE EASTERN CAROLINAS NORTHWARD INTO THE NEW YORK CITY AREA. HOT
TEMPERATURES...COMBINED WITH THE OPPRESSIVE HUMIDITY LEVELS...WILL
CREATE HEAT INDICES BETWEEN 105 TO 120 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 FRIDAY JULY 22 2011...
...DELAWARE...
WILMINGTON 124
DOVER 119
GEORGETOWN 114
...ILLINOIS...
TAYLORVILLE 118
SPRINGFIELD 113
MOUNT VERNON 110
...KANSAS...
TOPEKA 108
WICHITA 107
...KENTUCKY...
OWENSBORO 107
COVINGTON 107
LOUISVILLE 106
...MARYLAND...
EASTON 125
ANNAPOLIS 120
OCEAN CITY 120
ANDREWS AFB 119
BALTIMORE 118
...MISSOURI...
ST. LOUIS 112
JEFFERSON CITY 110
KANSAS CITY 105
...NEW JERSEY...
ATLANTIC CITY 122
CAPE MAY 120
TRENTON 119
NEWARK 117
...NEW YORK...
CENTRAL PARK (NYC) 115
ISLIP 114
NEWBURGH 110
...NORTH CAROLINA...
ELIZABETH CITY 114
WILMINGTON 113
ROCKY MOUNT 111
FAYETTEVILLE 109
RALEIGH 108
...OHIO...
COLUMBUS 110
WILMINGTON 107
CLEVELAND 107
...OKLAHOMA...
TULSA 105
OKLAHOMA CITY 104
...PENNSYLVANIA...
PHILADELPHIA 119
HARRISBURG 116
DOYLESTOWN 115
...SOUTH CAROLINA...
MYRTLE BEACH 111
CHARLESTON 111
FLORENCE 107
...VIRGINIA...
ARLINGTON (DCA) 121
STERLING 116
VIRGINIA BEACH 115
NEWPORT NEWS 114
RICHMOND 114
NORFOLK 112
...ALL-TIME RECORD HIGH TEMPERATURES SET OR TIED ON FRIDAY JULY 22
2011...
NEWARK NJ 108 OLD RECORD 105 - AUGUST 9 2001
DULLES VA 105 OLD RECORD 104 - AUGUST 20 1983 AND JULY
16 1988
BRIDGEPORT CT 103 OLD RECORD 103 - JULY 22 1957 (TIED)
A LARGE RIDGE OF HIGH PRESSURE IN THE UPPER LEVELS OF THE
ATMOSPHERE REMAINS IN PLACE ACROSS THE CENTRAL AND EASTERN
U.S...KEEPING VERY HOT TEMPERATURES IN PLACE. THE HOT
TEMPERATURES COMBINED WITH HIGH DEW POINTS WILL CREATE DANGEROUS
HEAT INDICES WELL ABOVE 100 DEGREES OVER A LARGE AREA. HIGH
TEMPERATURES NEAR 100 DEGREES WILL BE POSSIBLE SATURDAY ACROSS
MUCH OF THE MID-ATLANTIC STATES AND INTO SOUTHEAST U.S. A GENERAL
COOLING TREND CAN BE EXPECTED FOR SUNDAY AND MONDAY 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...SUNDAY...JULY 24. PLEASE REFER
TO YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION ON THIS EVENT.
HAMRICK
Last Updated: 439 AM EDT SAT JUL 23 2011