THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 02 FOR HIGH HEAT INDICES
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
500 AM EDT SAT JUL 16 2011
...COMBINATION OF VERY HOT TEMPERATURES AND HIGH HUMIDITY WILL
CREATE DANGEROUS HEAT INDICES OVER THE CENTRAL U.S. THIS WEEKEND
WHICH WILL SPREAD INTO THE EASTERN U.S. NEXT WEEK...
EXCESSIVE HEAT WATCHES...WARNINGS AND HEAT ADVISORIES ARE IN
EFFECT FOR A LARGE PORTION OF THE CENTRAL U.S.. TEMPERATURES WILL
FEEL LIKE 100 TO 110 DEGREES OR HIGHER 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 INTO NEXT WEEK CAN BE FOUND AT
www.hpc.ncep.noaa.gov/heat_index_MAX.shtml
...SELECTED HIGH HEAT INDEX VALUES FROM FRIDAY JUL 15 2011...
...ARKANSAS...
ARKADELPHIA 113
DE QUEEN 110
FORT SMITH 108
...IOWA...
ATLANTIC 116
NEWTON 114
KNOXVILLE 114
ANKENY 111
...KANSAS...
WICHITA 113
HUTCHINSON 112
MANHATTAN 110
SALINA 110
EMPORIA 108
...LOUISIANA...
NATTCHITOCHES 113
MONROE 108
...MISSOURI...
KANSAS CITY 105
JOPLIN 104
WHITEMAN AFB 103
...OKLAHOMA...
CHIKASHA 114
DURANT 113
ATOKA 111
CHANDLER 111
TULSA 108
OKLAHOMA CITY 106
...NEBRASKA...
LINCOLN 112
YORK 111
COLUMBUS 105
GRAND ISLAND 105
...SOUTH DAKOTA...
ABERDEEN 101
MITCHELL 101
...TENNESSEE...
MEMPHIS 110
...TEXAS...
FORT HOOD 112
CORSICANA 108
DALLAS/FORT WORTH 108
TYLER 108
A RATHER STAGNANT WEATHER PATTERN IS DEVELOPING OVER THE CENTRAL
U.S. AS A LARGE REGION OF HIGH PRESSURE DEVELOPS IN THE UPPER
LEVELS OF THE ATMOSPHERE. THIS WILL RESULT IN GENERALLY LIGHT
WINDS AND WIDESPREAD AFTERNOON TEMPERATURES INTO THE UPPER 90S TO
LOWER 100S. THIS COMBINED WITH INCREASING HUMIDITY WILL CREATE
DANGEROUS HEAT INDICES WELL ABOVE 100 DEGREES OVER A LARGE PORTION
OF THE NATION FOR SEVERAL DAYS.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 500 AM EDT...SUNDAY JULY 17. PLEASE REFER TO
YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION ON THIS EVENT.
RYAN
Last Updated: 500 AM EDT SAT JUL 16 2011