Alert archive / Florida / Heat Advisories in 2011

Heat Advisory 11, NWS Tallahassee, FL

August 11, 20118 counties in Florida

NWS Tallahassee, FL issued this heat advisory at Aug 11, 2011, 2:32 PM CDT for 8 counties in Florida. It took effect at Aug 12, 2011, 12:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2011, 2:32 PM CDT (19:32 UTC)
In effect from
Aug 12, 2011, 12:00 PM CDT
Expired
Aug 12, 2011, 6:00 PM CDT
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Dixie County, FL, Franklin County, FL, Gulf County, FL, Jefferson County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL

The radar

The Tallahassee radar (KTLH), 44 km from the middle of the area, began a volume at 19:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this heat advisory went out at Aug 11, 9:15 AM CDT, 5 hours 17 minutes earlier.

Area forecast discussion, Aug 11, 9:15 AM CDT, 5 hours 17 minutes before
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Hazardous weather outlook, Aug 11, 4:53 AM CDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
553 AM EDT THU AUG 11 2011

ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-
GAZ120>131-142>148-155>161-GMZ730-750-755-765-770-775-120100-
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-CENTRAL WALTON-
HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-
INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-SOUTH WALTON-
COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-
COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-QUITMAN-CLAY-
RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-
EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-
DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM-
COASTAL WATERS FROM  OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO KEATON BEACH OUT 20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL FROM 20 TO 60 NM-
553 AM EDT THU AUG 11 2011 /453 AM CDT THU AUG 11 2011/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA...
SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND
AND PANHANDLE...AND ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...
SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND
EVENING AND MOVE FROM NORTHWEST TO SOUTHEAST ACROSS THE TRI-STATE
REGION. ONE OR TWO STORMS MAY BE STRONG TO BRIEFLY SEVERE. IT
WILL BE HOT AGAIN TODAY WITH MAX TEMPERATURES IN THE MID TO UPPER
90S WITH HEAT INDICES GENERALLY IN THE 105 TO 109 DEGREE RANGE.
A FEW 110 DEGREE HEAT INDEX READINGS ARE POSSIBLE ESPECIALLY NEAR
COASTAL AREAS OF THE FLORIDA PANHANDLE AND BIG BEND.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...
THE OVERALL COVERAGE OF SHOWERS AND THUNDERSTORMS WILL BE LESS
THAN SEASONAL NORMALS THROUGH MOST OF THE EXTENDED PERIOD.
TEMPERATURES WILL CONTINUE ABOVE SEASONAL LEVELS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA
OF INTEREST ON THE NATIONAL MAP.

BARRY

In the hours before

Special weather statement, Aug 11, 12:36 PM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1236 PM CDT THU AUG 11 2011

FLZ008-108-111800-
CENTRAL WALTON FL-SOUTH WALTON FL-
1236 PM CDT THU AUG 11 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR WALTON COUNTY...

* UNTIL 100 PM CDT

AT 1236 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM 5 MILES NORTHEAST OF SEMINOLE...OR NEAR CHOCTAW BEACH...
MOVING SOUTHEAST AT 15 MPH.

PEOPLE IN SOUTHERN WALTON COUNTY...SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM IS PRODUCING TORRENTIAL DOWNPOURS WHICH MAY CAUSE
LOCALIZED FLOODING OF STREETS AND LOW LYING AREAS...AND IS ALSO
PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING.

RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE
IN TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3040 8639 3040 8634 3043 8632 3041 8629
      3043 8624 3039 8615 3039 8613 3047 8621
      3047 8639 3071 8638 3069 8592 3061 8594
      3054 8592 3046 8600 3027 8601 3038 8640
TIME...MOT...LOC 1736Z 314DEG 13KT 3052 8631

14-MROCZKA
Special weather statement, Aug 11, 1:32 PM CDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
132 PM CDT THU AUG 11 2011

FLZ008-012-108-112-111915-
CENTRAL WALTON FL-INLAND BAY FL-SOUTH WALTON FL-COASTAL BAY FL-
132 PM CDT THU AUG 11 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR BAY AND SOUTHERN
WALTON COUNTIES...

* UNTIL 215 PM CDT

AT 124 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A CLUSTER
OF STRONG THUNDERSTORM EXTENDING FROM SOUTHERN WALTON COUNTY ACROSS
MUCH OF SOUTHERN AND CENTRAL BAY COUNTY. THESE STORMS WERE MOVING
SOUTHEAST AT AROUND 15 MPH.

PEOPLE IN BAY AND SOUTHERN WALTON COUNTIES...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

WINDS GUSTS TO AROUND 40 MPH ARE EXPECTED WITH THESE STORMS ALONG
WITH FREQUENT CLOUD TO GROUND LIGHTNING.

MULTIPLE STORMS MOVING OVER THE SAME LOCATION AND WILL HAVE THE
POTENTIAL TO CAUSE LOCALIZED FLOODING OF STREETS AND LOW LYING
AREAS.

RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE
IN TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3049 8603 3048 8587 3044 8591 3044 8597
      3040 8600 3039 8599 3041 8596 3041 8588
      3044 8586 3044 8577 3029 8539 2993 8539
      2998 8554 3005 8560 3009 8570 3021 8588
      3031 8612
TIME...MOT...LOC 1829Z 312DEG 13KT 3022 8558

14-MROCZKA
Special weather statement, Aug 11, 1:34 PM CDT, 58 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TALLAHASSEE FL
134 PM CDT THU AUG 11 2011

FLZ008-012-108-112-111915-
CENTRAL WALTON FL-INLAND BAY FL-SOUTH WALTON FL-COASTAL BAY FL-
134 PM CDT THU AUG 11 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR BAY AND SOUTHERN
WALTON COUNTIES...

* UNTIL 215 PM CDT

AT 124 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A CLUSTER
OF STRONG THUNDERSTORM EXTENDING FROM SOUTHERN WALTON COUNTY ACROSS
MUCH OF SOUTHERN AND CENTRAL BAY COUNTY. THESE STORMS WERE MOVING
SOUTHEAST AT AROUND 15 MPH.

PEOPLE IN BAY AND SOUTHERN WALTON COUNTIES...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

WINDS GUSTS TO AROUND 40 MPH ARE EXPECTED WITH THESE STORMS ALONG
WITH FREQUENT CLOUD TO GROUND LIGHTNING.

MULTIPLE STORMS MOVING OVER THE SAME LOCATION WILL HAVE THE
POTENTIAL TO CAUSE LOCALIZED FLOODING OF STREETS AND LOW LYING
AREAS.

RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE
IN TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3049 8603 3048 8587 3044 8591 3044 8597
      3040 8600 3039 8599 3041 8596 3041 8588
      3044 8586 3044 8577 3029 8539 2993 8539
      2998 8554 3005 8560 3009 8570 3021 8588
      3031 8612
TIME...MOT...LOC 1829Z 312DEG 13KT 3022 8558

14-MROCZKA
Local storm report, Aug 11, 2:06 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
306 PM EDT THU AUG 11 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0248 PM     TSTM WND DMG     CEDAR GROVE             30.17N 85.62W
08/11/2011                   BAY                FL   PUBLIC

            TREE LIMBS DOWN AS WELL AS DAMAGE TO A HOMEMADE
            GREENHOUSE.

&&

HARRIGAN

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 7:15 PM CDTSpecial Weather StatementTAEWalton60 min
Aug 10, 8:01 PM CDTSpecial Marine WarningTAE59 min
Aug 11, 11:44 AM CDTHeat AdvisoryTAEBay, Franklin, Gulf, Walton107 min
Aug 11, 12:36 PM CDTSpecial Weather StatementTAEWalton24 min
Aug 11, 1:32 PM CDTSpecial Weather StatementTAEBay43 min
Aug 11, 1:34 PM CDTSpecial Weather StatementTAEBay41 min
Aug 11, 2:44 PM CDTSpecial Marine WarningTAE31 min
Aug 11, 2:49 PM CDTSpecial Weather StatementTAELee, Terrell56 min
Aug 11, 3:12 PM CDTSevere Thunderstorm WarningTAELee, Turner, Worth33 min
Aug 11, 3:48 PM CDTSpecial Weather StatementTAEBen Hill, Irwin, Turner42 min

Nearby

Heat Advisories in Florida, 2011Every heat advisory in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.