Alert archive / Alabama / Excessive Heat Warnings in 2010

Excessive Heat Warning 5, NWS Mobile, AL

August 3, 20108 counties in Alabama; 5 counties in Mississippi

NWS Mobile, AL issued this excessive heat warning at Aug 3, 2010, 3:35 PM CDT for 8 counties in Alabama; 5 counties in Mississippi. It took effect at Aug 4, 2010, 12:00 PM CDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 3, 2010, 3:35 PM CDT (20:35 UTC)
In effect from
Aug 4, 2010, 12:00 PM CDT
Expired
Aug 4, 2010, 6:00 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Crenshaw County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 20:36 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 excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this excessive heat warning went out at Aug 3, 12:30 PM CDT, 3 hours 5 minutes earlier.

Area forecast discussion, Aug 3, 12:30 PM CDT, 3 hours 5 minutes before
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Hazardous weather outlook, Aug 3, 1:00 PM CDT, 2 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
100 PM CDT TUE AUG 3 2010

ALZ051>064-FLZ001>006-GMZ630-650-655-670-675-MSZ067-075-076-078-
079-041800-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-MOBILE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-WAYNE-PERRY-
GREENE-STONE-GEORGE-
435 AM CDT TUE AUG 3 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...THE COASTAL WATERS OF ALABAMA AND
NORTHWEST FLORIDA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

...EXCESSIVE HEAT WAVE CONTINUES AT LEAST ONE MORE DAY...

...WET MICROBURST RISK THIS AFTERNOON IS HIGH...

HEAT INDICES ARE CURRENTLY IN THE 109-114 DEGREE RANGE ACROSS MOST
OF SOUTH CENTRAL ALABAMA...SOUTHWEST ALABAMA...NORTHWEST
FLORIDA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI...ALTHOUGH
THUNDERSTORMS ARE PROVIDING SOME LOCALIZED RELIEF.  NEVERTHELESS THE
RISK OF HEAT RELATED ILLNESS IS ABOUT AS HIGH AS IT EVER GETS! HEAT
KILLS. PLEASE TAKE ALL NECESSARY PRECAUTIONS TO AVOID HEAT
STRESS...AND PERHAPS EVENTUAL HEAT STROKE.

THUNDERSTORMS WILL CONTINUE THIS AFTERNOON...DIMINISHING IN COVERAGE
AND INTENSITY AFTER SUNSET.  ATMOSPHERIC INSTABILITY IS VERY HIGH
TODAY AND WILL LIKELY RESULT IN FEW STRONG TO SEVERE STORMS CAPABLE
OF PRODUCING DAMAGING WIND FROM WET MICROBURSTS. WINDS COULD  GUST
AS HIGH AS 60 MPH IN ASSOCIATION WITH STRONGEST THUNDERSTORMS THIS
AFTERNOON. FREQUENT CLOUD TO GROUND LIGHTING...VERY HEAVY RAINFALL
AND SMALL HAIL WILL ALSO LIKELY ACCOMPANY THESE THUNDERSTORMS AS
THEY MOVE OFF TO THE SOUTHWEST AROUND 10 MPH. AT THE FIRST SOUND OF
THUNDER...GO IN DOORS AND TAKE SHELTER UNTIL THE STORM HAS PASSED!

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH NEXT TUESDAY

TOMORROW...WEST OF I-65...AN EXCESSIVE WATCH REMAINS IN
EFFECT FOR SOME COUNTIES AS MAXIMUM AFTERNOON HEAT INDICES MAY RISE
TO GREATER THAN 110 DEGREES. OTHERWISE...MAXIMUM AFTERNOON
TEMPERATURES WILL BEGIN TO MOVE CLOSER TO THEIR CLIMATIC NORMALS IN
THE LOWER 90S BY LATE WEEK AS THE MASSIVE HIGH PRESSURE CAUSING THE
EXCESSIVE HEAT DEVELOPS FURTHER WESTWARD.

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH
THE PERIOD...MAINLY DURING THE AFTERNOON AND EVENING HOURS.
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING BRIEF STRONG WIND
GUSTS...DANGEROUS LIGHTNING...AND HEAVY RAINFALL.

THERE ARE SOME EARLY INDICATIONS THAT THE AFOREMENTIONED HIGH
PRESSURE RIDGE THAT IS CURRENTLY BRINGING US THE EXCESSIVE HEAT WILL
RE-STRENGTHEN ONCE AGAIN OVER THE WEEKEND WHILE IN THE SOUTHERN
PLAINS AND THEN BEGIN MOVING OUR WAY ONCE AGAIN AS A PROGRESSIVE
UPPER AIR TROUGH MOVES OVER THE WEST COAST. IF THIS OCCURS...THE
EXCESSIVE HEAT WOULD RETURN ONCE AGAIN BY TUESDAY AFTERNOON. THE
CONFIDENCE IS LOW AT THIS TIME..BUT THE POSSIBILITY REMAINS.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL FOR
SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME.

12/SIRMON

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 9:09 AM CDTSpecial Marine WarningMOB111 min
Aug 3, 3:35 PM CDTHeat AdvisoryMOBButler, Conecuh, Covington, Crenshaw, Escambia, Monroe26 hr
Aug 3, 5:38 PM CDTSevere Thunderstorm WarningMOBClarke, Washington52 min
Aug 3, 6:50 PM CDTSevere Thunderstorm WarningMOBWashington40 min
Aug 3, 5:17 PM CDTSevere Thunderstorm WarningMOBPerry33 min
Aug 3, 6:17 PM CDTSevere Thunderstorm WarningMOBGreene, Wayne43 min

Nearby

Excessive Heat Warnings in Alabama, 2010Excessive Heat Warnings in Mississippi, 2010Every excessive heat warning in 2010

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.