Heat in Georgia, July 27 to 28, 2005

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
955 AM EDT WED JUL 27 2005

.SHORT TERM /TODAY/...12Z KCHS RAOB CONTINUES TO SHOW MOISTURE
POOLING IN THE LOWEST LAYERS UNDER MRNG INVERSION. GIVEN THE H5
RIDGE ALMOST DIRECTLY OVHD ALLOWING FOR GOOD SUBSIDENCE AND LGT WIND
FIELDS...SFC MOISTURE AND DRIER AIR ALOFT WILL NOT HAVE GOOD CHC OF
MIXING THUS DEWPTS SHOULD OVERALL REMAIN HIGH. MAJORITY OF OBS ARE
RIGHT ON TRACK WITH GRIDDED HRLY FCST VALUES FOR TEMP AND
DEWPTS...WHICH LEADS TO HEAT INDICES OF 111-117 FOR PORTIONS OF THE
CWFA BETWEEN HIGHWAY 17 AND I-95. SE GA IS HAVING SOME LWR DEWPTS
THIS MRNG...BUT MAINLY IN ISOLD SPOTS. WILL KEEP HEAT WRNG AND ALL
OTHER ASSOCIATED WORDING IN TEXT PRODUCTS GOING THRU THE EVE HRS.
SFC TEMPS IN SOME SPOTS MAY ECLIPSE THE 100-DEGREE MARK AND MAY PUT
SOME RECORDS IN JEOPARDY.

RECORD MAXIMUM HIGH TEMPS FOR JULY 27...
CHARLESTON AIRPORT /CHS/...99 SET IN 1936
DOWNTOWN CHARLESTON /CHL/...100 SET IN 1999
SAVANNAH AIRPORT /SAV/...100 SET IN 1936

WINDS LOOK GOOD AND NO PRECIP CONCERNS...SO NO UPDATE NEEDED.
&&

.MARINE...HIGH PRES TO OUR S AND E ALONG WITH LEE SIDE TROUGH TO
KEEP WINDS OVER THE WATERS S TO SW AT 10 TO 15 KT TODAY AND SEAS AOB
3 FT. ONLY MINOR INITIALIZATION TWEAKS NEEDED.
&&

.AVIATION...HAZY CONDS TO PERSIST THRU THE AFTN AND EVE HRS
PRODUCING MAINLY MVFR VSBYS ALTHOUGH OCNL IFR VSBYS MAY OCCUR. WEAK
SEA BREEZE TO PASS THROUGH THE TERMS AROUND 22Z. NO CIG OR PRECIP
CONCERNS THRU TMRW MRNG.
&&

.CHS WATCHES/WARNINGS/ADVISORIES...
SC...EXCESSIVE HEAT WARNING SCZ040-042>045-047>051 NOON TO 8
     PM TODAY.
GA...EXCESSIVE HEAT WARNING GAZ087-088-099>101-114>119-137>141
     NOON TO 8 PM TODAY.
MARINE...NONE.

&&

JPC

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
445 AM EDT WED JUL 27 2005

AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-
042>045-047>051-281000-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-
INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-
INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-
ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-BERKELEY-INLAND
JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
445 AM EDT WED JUL 27 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA...
SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS FROM THE SOUTH
SANTEE RIVER SOUTH CAROLINA TO ALTAMAHA SOUND GEORGIA.

.DAY ONE...TODAY AND TONIGHT.
.EXCESSIVE HEAT...HIGH TEMPERATURES IN THE UPPER 90S TO NEAR 100
COMBINED WITH MODERATE TO HIGH LEVELS OF HUMIDITY WILL CAUSE HEAT
INDICES TO TOP OUT BETWEEN 111 AND 116 DEGREES DURING THE AFTERNOON
HOURS WEDNESDAY AWAY FROM THE IMMEDIATE COAST. A FEW SPOTS COULD
SEE INDICES AS HIGH AS 120. AS A RESULT AN EXCESSIVE HEAT WARNING IS
IN EFFECT FOR WEDNESDAY FOR ALL LOCATIONS AWAY FROM THE IMMEDIATE
COAST FROM NOON TO 8 PM. PLEASE REFER TO THE LATEST NON
PRECIPITATION PRODUCT FOR ADDITIONAL INFORMATION.

.RIVER FLOODING...MINOR FLOODING WILL CONTINUE ALONG THE SAVANNAH
RIVER AT CLYO. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENT FOR
ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
.EXCESSIVE HEAT...HIGH TEMPERATURES IN THE MID 90S COMBINED WITH
MODERATE TO HIGH LEVELS OF HUMIDITY WILL CAUSE HEAT INDICES TO TOP
OUT BETWEEN 103 AND 108 DEGREES DURING THE AFTERNOON HOURS THURSDAY
AWAY FROM THE IMMEDIATE COAST. AS A RESULT...A HEAT ADVISORY FOR
THURSDAY MAY BE ISSUED LATER TODAY.

.RIVER FLOODING...MINOR FLOODING IS EXPECTED TO CONTINUE ALONG THE
THE SAVANNAH RIVER AT CLYO. REFER TO THE LATEST RIVER FLOOD
STATEMENT FOR ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...
SPOTTER NETWORK ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT.

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