Alert archive / Alabama / Excessive Heat Warnings in 2011
Excessive Heat Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this excessive heat warning at Aug 4, 2011, 2:26 PM CDT for 10 counties in Alabama; 5 counties in Mississippi. It took effect at Aug 5, 2011, 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 4, 2011, 2:26 PM CDT (19:26 UTC)
- In effect from
- Aug 5, 2011, 12:00 PM CDT
- Expired
- Aug 5, 2011, 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, Covington County, AL, Crenshaw County, AL, Escambia 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), 96 km from the middle of the area, began a volume at 19:29 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.4 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 496 J/kg
- Mixed-layer CIN
- -354 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
914 WWUS74 KMOB 041926 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 226 PM CDT THU AUG 4 2011 ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR THIS AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... ...AN EXCESSIVE HEAT WARNING IS NOW IN EFFECT FOR FRIDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... ...AN EXCESSIVE HEAT WATCH IS NOW IN EFFECT FOR SATURDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... .HOT TEMPERATURES THIS AFTERNOON WILL CONTINUE UNTIL THIS EVENING. ON FRIDAY THEY WILL RISE AGAIN TO BETWEEN 95 AND 100 DEGREES OVER INLAND AREAS AND 90 TO 95 DEGREES ALONG THE COAST. THESE VERY HOT TEMPERATURES COMBINED WITH VERY HUMID CONDITIONS...WILL BRING DANGEROUSLY HIGH HEAT INDICES OF 110 TO 115 DEGREES. ANY RELIEF FROM THE HEAT WILL COME FROM SCATTERED SHOWERS OR THUNDERSTORMS THAT MAY DEVELOP OVER PARTS OF THE AREA FROM LATE FRIDAY MORNING THROUGH FRIDAY AFTERNOON. A REPEAT IS EXPECTED SATURDAY AFTERNOON THUS PROMPTING AN EXCESSIVE HEAT WATCH. ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-050330- /O.UPG.KMOB.EH.A.0002.110805T1700Z-110805T2300Z/ /O.NEW.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.NEW.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ /O.CON.KMOB.EH.W.0002.000000T0000Z-110804T2300Z/ 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-WAYNE-PERRY- GREENE-STONE-GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 226 PM CDT THU AUG 4 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 6 PM CDT FRIDAY... ...EXCESSIVE HEAT WATCH IN EFFECT SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT FRIDAY. AN EXCESSIVE HEAT WATCH HAS ALSO BEEN ISSUED. THIS EXCESSIVE HEAT WATCH IS IN EFFECT SATURDAY AFTERNOON. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. * EVENT...HIGH TEMPERATURES TODAY AND FRIDAY AFTERNOON ARE EXPECTED TO CLIMB TO BETWEEN 96 AND 101 DEGREES INLAND AREAS...AND 90 TO 95 DEGREES ALONG THE COAST. THE HOT TEMPERATURES...COMBINED WITH DEWPOINTS RANGING FROM 75 TO 81 DEGREES...WILL RESULT IN OPPRESSIVE HEAT INDICES. THERE IS SIGNIFICANT RISK OF A REPEAT ON SATURDAY. * TIMING...HOTTEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR WHERE THE HEAT INDEX RISES TO OR ABOVE 110 DEGREES. HEAT INDEX VALUES THIS HIGH CAN CAUSE EVEN THE MOST PHYSICALLY FIT TO SUCCUMB TO HEAT EXHAUSTION OR EVEN WORSE...DEADLY HEAT STROKE. DRINK PLENTY OF WATER...STAY IN AN AIR-CONDITIONED ROOM AND STAY OUT OF THE SUN. && $$
4 follow-up statements
237 WWUS74 KMOB 050231 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 931 PM CDT THU AUG 4 2011 ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR FRIDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... ...AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FOR SATURDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... .HOT AND HUMID CONDITIONS WILL DEVELOP AGAIN BY MID MORNING FRIDAY AND CONTINUE INTO THE LATE AFTERNOON. THE TEMPERATURES WILL CLIMB TO BETWEEN 95 AND 100 DEGREES OVER INLAND AREAS AND 90 TO 95 DEGREES ALONG THE COAST. THESE VERY HOT TEMPERATURES COMBINED WITH A VERY HUMID AIR MASS...WILL CREATE DANGEROUSLY HIGH HEAT INDICES OF 110 TO 115 DEGREES...APPROACHING 120 DEGREES IN A FEW PLACES JUST INLAND FROM THE BEACHES. ANY RELIEF FROM THE HEAT WILL COME FROM SCATTERED SHOWERS OR THUNDERSTORMS THAT MAY DEVELOP OVER PARTS OF THE AREA FRIDAY AFTERNOON. SIMILAR CONDITIONS ARE EXPECTED SATURDAY AFTERNOON THUS PROMPTING THE EXCESSIVE HEAT WATCH. ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-051030- /O.CON.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.CON.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ 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-WAYNE-PERRY- GREENE-STONE-GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 931 PM CDT THU AUG 4 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 6 PM CDT FRIDAY... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT SATURDAY AFTERNOON... * EVENT...HIGH TEMPERATURES FRIDAY AFTERNOON ARE EXPECTED TO CLIMB TO BETWEEN 96 AND 101 DEGREES OVER INLAND AREAS...90 TO 95 DEGREES ALONG THE COAST. THE HOT TEMPERATURES COMBINED WITH OPPRESSIVE HUMIDITY WILL RESULT IN DANGEROUS HEAT INDICES. SIMILAR CONDITIONS EXPECTED ON SATURDAY. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR WHERE THE HEAT INDEX RISES TO OR ABOVE 110 DEGREES. HEAT INDEX VALUES THIS HIGH CAN CAUSE EVEN THE MOST PHYSICALLY FIT TO SUCCUMB TO HEAT EXHAUSTION OR EVEN WORSE...DEADLY HEAT STROKE. DRINK PLENTY OF WATER...STAY IN AN AIR-CONDITIONED ROOM AND STAY OUT OF THE SUN. && $$
315 WWUS74 KMOB 051045 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 545 AM CDT FRI AUG 5 2011 ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR FRIDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... ...AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FOR SATURDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... .HOT AND HUMID CONDITIONS WILL DEVELOP AGAIN BY MID MORNING TODAY AND CONTINUE INTO THE LATE AFTERNOON. THE TEMPERATURES WILL CLIMB TO BETWEEN 95 AND 100 DEGREES OVER INLAND AREAS AND 90 TO 95 DEGREES ALONG THE COAST. THESE VERY HOT TEMPERATURES COMBINED WITH A VERY HUMID AIR MASS...WILL CREATE DANGEROUSLY HIGH HEAT INDICES OF 110 TO 115 DEGREES...POSSIBLY APPROACHING 120 DEGREES IN A FEW PLACES JUST INLAND FROM THE BEACHES. ANY RELIEF FROM THE HEAT WILL COME FROM SCATTERED SHOWERS OR THUNDERSTORMS THAT MAY DEVELOP OVER PARTS OF THE AREA FRIDAY AFTERNOON. SIMILAR CONDITIONS ARE EXPECTED SATURDAY AFTERNOON THUS PROMPTING THE EXCESSIVE HEAT WATCH. ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-051845- /O.CON.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.CON.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ 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-WAYNE-PERRY- GREENE-STONE-GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 545 AM CDT FRI AUG 5 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT SATURDAY AFTERNOON... * EVENT...HIGH TEMPERATURES THIS AFTERNOON ARE EXPECTED TO CLIMB TO BETWEEN 95 AND 100 DEGREES OVER INLAND AREAS...90 TO 95 DEGREES ALONG THE COAST. THE HOT TEMPERATURES COMBINED WITH OPPRESSIVE HUMIDITY WILL RESULT IN DANGEROUS HEAT INDICES. SIMILAR CONDITIONS EXPECTED ON SATURDAY. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR WHERE THE HEAT INDEX RISES TO OR ABOVE 110 DEGREES. HEAT INDEX VALUES THIS HIGH CAN CAUSE EVEN THE MOST PHYSICALLY FIT TO SUCCUMB TO HEAT EXHAUSTION OR EVEN WORSE...DEADLY HEAT STROKE. DRINK PLENTY OF WATER...STAY IN AN AIR-CONDITIONED ROOM AND STAY OUT OF THE SUN. && $$
226 WWUS74 KMOB 051655 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 1155 AM CDT FRI AUG 5 2011 ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT THIS AFTERNOON FOR MUCH OF SOUTHEAST MISSISSIPPI...EXTREME SOUTHWEST ALABAMA...AND THE WESTERN FLORIDA PANHANDLE... ...AN EXCESSIVE HEAT ADVISORY HAS REPLACED THE EXCESSIVE HEAT WARNING PREVIOUSLY IN EFFECT FOR THIS AFTERNOON FOR INLAND SOUTHWEST AND MUCH OF SOUTH CENTRAL ALABAMA AND INTERIOR SOUTHEAST MISSISSIPPI... ...AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FOR SATURDAY AFTERNOON OVER INTERIOR SOUTHEAST MISSISSIPPI...ALL OF SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE... .HOT AND HUMID CONDITIONS WILL AGAIN AFFECT MUCH OF THE AREA TODAY. DANGEROUSLY HIGH HEAT INDICES OF 110 TO 115 CAN BE EXPECTED ACROSS THE NORTHWEST FLORIDA PANHANDLE...EXTREME SOUTHWEST ALABAMA AND MUCH OF SOUTHEAST MISSISSIPPI...WITH VALUES AROUND 108 FURTHER INLAND. ANY RELIEF FROM THE HEAT WILL COME FROM SCATTERED SHOWERS OR THUNDERSTORMS THAT MAY DEVELOP OVER PARTS OF THE AREA THIS AFTERNOON. SIMILAR CONDITIONS ARE EXPECTED SATURDAY AFTERNOON AND AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT. ALZ051>053-055-056-059-060-MSZ067-060100- /O.CAN.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.NEW.KMOB.HT.Y.0003.110805T1700Z-110805T2300Z/ /O.CON.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ CHOCTAW-WASHINGTON-CLARKE-MONROE-CONECUH-ESCAMBIA-COVINGTON-WAYNE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...HOMEWOOD... MONROEVILLE...EVERGREEN...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...WAYNESBORO 1155 AM CDT FRI AUG 5 2011 ...HEAT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT SATURDAY AFTERNOON... ...EXCESSIVE HEAT WARNING IS CANCELLED AND REPLACED WITH A HEAT ADVISORY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. THE EXCESSIVE HEAT WARNING HAS BEEN CANCELLED. * PEAK HEAT INDICES...AROUND 108 THIS AFTERNOON AND POTENTIALLY AROUND 110 SATURDAY AFTERNOON. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED WITH HEAT INDICES AROUND 108. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT INDICES OF 110 DEGREES OR HIGHER ARE POSSIBLE. DRINK PLENTY OF FLUIDS... STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$ ALZ054-057-058-060100- /O.CAN.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.CON.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ WILCOX-BUTLER-CRENSHAW- INCLUDING THE CITIES OF...CAMDEN...PINE HILL...GREENVILLE... LUVERNE...BRANTLEY 1155 AM CDT FRI AUG 5 2011 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT SATURDAY AFTERNOON... ...EXCESSIVE HEAT WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE EXCESSIVE HEAT WARNING. AFTERNOON HEAT INDICES WILL TOP OUT AROUND 105 THIS AFTERNOON BUT WILL NOT SATISFY HEAT WARNING CRITERIA. * PEAK HEAT INDICES...AROUND 105 THIS AFTERNOON BUT POTENTIALLY AROUND 110 SATURDAY AFTERNOON. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT INDICES OF 110 DEGREES OR HIGHER ARE POSSIBLE. DRINK PLENTY OF FLUIDS... STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$ ALZ061>064-FLZ001>006-MSZ075-076-078-079-060100- /O.CON.KMOB.EH.W.0003.110805T1700Z-110805T2300Z/ /O.CON.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN- INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-PERRY-GREENE- STONE-GEORGE- INCLUDING THE CITIES OF...MOBILE...PRICHARD...SARALAND... BAY MINETTE...TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE... FOLEY...SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS... BRENT...WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY... PACE...MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE... EGLIN AFB...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 1155 AM CDT FRI AUG 5 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT SATURDAY AFTERNOON... * PEAK HEAT INDICES...110 TO 115 EACH AFTERNOON. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR WHERE THE HEAT INDEX RISES TO OR ABOVE 110 DEGREES. HEAT INDEX VALUES THIS HIGH CAN CAUSE EVEN THE MOST PHYSICALLY FIT TO SUCCUMB TO HEAT EXHAUSTION OR EVEN WORSE...DEADLY HEAT STROKE. DRINK PLENTY OF WATER...STAY IN AN AIR-CONDITIONED ROOM AND STAY OUT OF THE SUN. AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT INDICES OF 110 DEGREES OR HIGHER ARE POSSIBLE. DRINK PLENTY OF FLUIDS... STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$
823 WWUS74 KMOB 051851 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 151 PM CDT FRI AUG 5 2011 ...AN EXCESSIVE HEAT WARNING IS IN EFFECT THIS AFTERNOON AND SATURDAY AFTERNOON FOR MUCH OF SOUTHEAST MISSISSIPPI...EXTREME SOUTHWEST ALABAMA...AND THE WESTERN FLORIDA PANHANDLE... ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON AND SATURDAY AFTERNOON FOR INLAND SOUTHWEST AND MUCH OF SOUTH CENTRAL ALABAMA AND INTERIOR SOUTHEAST MISSISSIPPI... .HOT AND HUMID CONDITIONS WILL CONTINUE TO AFFECT THE AREA THROUGH SATURDAY. DANGEROUSLY HIGH AFTERNOON HEAT INDICES OF UP TO 110 TO 115 CAN BE EXPECTED ACROSS THE NORTHWEST FLORIDA PANHANDLE...EXTREME SOUTHWEST ALABAMA AND MUCH OF SOUTHEAST MISSISSIPPI...WITH VALUES AROUND 108 FURTHER INLAND. ANY RELIEF FROM THE HEAT WILL COME FROM SCATTERED SHOWERS OR THUNDERSTORMS THAT MAY DEVELOP OVER PARTS OF THE AREA EACH AFTERNOON. ALZ054-057-058-052000- /O.CAN.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ WILCOX-BUTLER-CRENSHAW- 151 PM CDT FRI AUG 5 2011 ...EXCESSIVE HEAT WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE EXCESSIVE HEAT WATCH. AFTERNOON HEAT INDICES WILL TOP OUT AROUND 105 BOTH THIS AFTERNOON AND SATURDAY AFTERNOON BUT REMAIN BELOW EXCESSIVE HEAT WARNING CRITERIA. $$ ALZ061>064-FLZ001>006-MSZ075-076-078-079-060300- /O.UPG.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ /O.NEW.KMOB.EH.W.0004.110806T1700Z-110806T2300Z/ /O.CON.KMOB.EH.W.0003.000000T0000Z-110805T2300Z/ UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN- INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-PERRY-GREENE- STONE-GEORGE- INCLUDING THE CITIES OF...MOBILE...PRICHARD...SARALAND... BAY MINETTE...TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE... FOLEY...SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS... BRENT...WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY... PACE...MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE... EGLIN AFB...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 151 PM CDT FRI AUG 5 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 6 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT SATURDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. * PEAK HEAT INDICES...UP TO 110 TO 115 EACH AFTERNOON. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT INDICES OF 110 DEGREES OR HIGHER ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$ ALZ051>053-055-056-059-060-MSZ067-060300- /O.UPG.KMOB.EH.A.0003.110806T1700Z-110806T2300Z/ /O.NEW.KMOB.HT.Y.0004.110806T1700Z-110806T2300Z/ /O.CON.KMOB.HT.Y.0003.000000T0000Z-110805T2300Z/ CHOCTAW-WASHINGTON-CLARKE-MONROE-CONECUH-ESCAMBIA-COVINGTON-WAYNE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...HOMEWOOD... MONROEVILLE...EVERGREEN...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...WAYNESBORO 151 PM CDT FRI AUG 5 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 6 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT SATURDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. * PEAK HEAT INDICES...AROUND 108 EACH AFTERNOON. * TIMING...HIGHEST HEAT INDICES WILL OCCUR BETWEEN NOON AND 6 PM EACH DAY. * IMPACTS...THE RISK OF HEAT RELATED ILLNESSES...INCLUDING HEAR STROKE WILL BE GREATLY ELEVATED. RESIDENTS ARE URGED TO MAKE PREPARATIONS FOR OPPRESSIVE HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
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 4, 12:22 PM CDT, 2 hours 4 minutes earlier.
Area forecast discussion, Aug 4, 12:22 PM CDT, 2 hours 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
1222 PM CDT THU AUG 4 2011
.AVIATION (18Z ISSUANCE)...VFR CONDITIONS PREVAIL FOR MUCH OF THE
PERIOD BUT FOLLOWING UPON PERSISTENCE WILL HAVE MVFR CONDITIONS IN
LIGHT FOG AT MOB DURING THE LATE NIGHT/EARLY MORNING HOURS WITH
TEMPO GROUPS FOR SAME AT BFM/PNS. WILL HAVE TEMPO GROUPS DURING THE
LATE AFTERNOON/EARLY EVENING HOURS FOR MVFR CONDITIONS IN
THUNDERSTORMS. /29
&&
** PREVIOUS DISCUSSION **
.SHORT TERM...TODAY THROUGH TONIGHT...THE HEAT WILL CONTINUE AS A
LARGE MID/UPPER LEVEL HIGH PRESSURE AREA WILL REMAIN IN PLACE OVER
THE FCST AREA TODAY AND TONIGHT. A WEAK SFC TROF CONTINUES TO BE
NOTED OVER THE SOUTHEASTERN STATES AS WELL. THIS WEAK SFC TROF HAS
BEEN THE FOCUS FOR SOME CONVECTIVE ACTIVITY WELL TO OUR NORTH THIS
MORNING...WITH A LARGE CLUSTER OF THUNDERSTORMS EARLIER THIS MORNING
OVER THE TENNESSEE VALLEY SENDING A WELL DEFINED OUTFLOW BOUNDARY
THAT WAS NOTED ON THE KBMX RADAR SOUTHWARD INTO CENTRAL ALABAMA.
ANOTHER CLUSTER OF THUNDERSTORMS HAS SINCE DEVELOPED OVER THE
TENNESSEE VALLEY REGION...MOVING TO THE SOUTH AND WILL LIKELY
DISSIPATE NORTH OF OUR FCST AREA...BUT WILL ALSO LIKELY SEND AN
OUTFLOW SOUTHWARD. WITH DAYBREAK...AS HEATING ALLOWS THE ATMOSPHERE
TO BECOME MUCH MORE UNSTABLE OVER CENTRAL AND SOUTHERN
ALABAMA...THESE OUTFLOW BOUNDARIES WILL ACT AS A FOCUS FOR
ADDITIONAL THUNDERSTORM DEVELOPMENT NEAR OUR NRN COUNTIES...WITH
ADDITIONAL BOUNDARIES DEVELOPING AND MOVING SOUTHWARD WELL INTO OUR
FCST AREA DURING THE AFTERNOON HOURS. ALTHOUGH THE UPPER RIDGING
REMAINS IN PLACE AND WILL ACT TO SUPPRESS CONVECTIVE ACTIVITY...THE
MORE WELL DEFINED LOW LEVEL FORCING DUE TO NUMEROUS OUTFLOW
BOUNDARIES WILL LIKELY RESULT IN A LITTLE BETTER COVERAGE OF SHOWERS
AND STORMS ACROSS MOST INTERIOR PORTIONS OF THE FCST AREA THIS
AFTERNOON. CLOSER TO THE COAST...SEA BREEZE INTERACTIONS WILL
CONTINUE TO BE THE PRIMARY FOCUS FOR STORMS. THE 04/00Z NAM SEEMS TO
HAVE HAD A BETTER HANDLE ON THIS VS THE GFS...SO LEANED TOWARD THE
WETTER NAM AND MET MOS FOR POPS TODAY. SHOULD HEAT UP RAPIDLY AFTER
SUNRISE THIS MORNING...AND EVEN WITH THE EXPECTED BETTER CONVECTIVE
COVERAGE TODAY WILL SEE ANOTHER DAY WITH MAX TEMPS IN THE UPPER 90S
TO NEAR 100 DEGREES INTERIOR AND MIDDLE 90S NEAR THE COAST. DEWPOINT
TEMPERATURES STILL RUNNING SEVERAL DEGREES ABOVE GUIDANCE AND HAVE
AGAIN MADE THE NECESSARY ADJUSTMENTS. THE HOT TEMPERATURES...
COMBINED WITH DEWPOINTS IN THE MID TO UPPER 70S...EVEN LOW 80S IN
SOME COASTAL LOCATIONS...WILL RESULT IN OPPRESSIVE HEAT INDICES ONCE
AGAIN TODAY. THE HIGHEST HEAT INDICES EXPECTED TODAY WILL AGAIN
RANGE BETWEEN 110 AND 115 DEGREES AT MOST LOCATIONS THIS
AFTERNOON...AND AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR
TODAY OVER THE ENTIRE FORECAST AREA. 12/DS
THIS AFTERNOON'S WET MICROBURST RISK IS MODERATE.
BY FRIDAY MORNING...AN UPPER TROUGH HAS DEVELOPED OVER THE
SOUTHEASTERN CONUS. THE NAM AND GFS ARE IN PRETTY GOOD AGREEMENT WITH
PLACEMENT OF THE TROUGH...ALONG WITH SOME SHORTWAVE ENERGY OVER S-ERN
GA/AL...AND THE WESTERN FL PANHANDLE. BOTH NAM ARE ADVERTISING A WET
AIRMASS OVER THE FA AND SURROUNDING AREAS...WITH THE GFS ADVERTISING
PRECIP H20 AMOUNTS AROUND 2.3"...THE NAM 2.0-2.3". THROUGH
FRIDAY...SIGNIFICANT DIFFERENCES IN THE HANDLING OF THE SHORTWAVE
ENERGY HAS RESULTED IN THE NAM/MET BEING 10 TO 13%
WETTER...ESPECIALLY OVER WESTERN REGIONS OF THE FA. WITH THE SOUPY
AIRMASS...AND A DAILY GULF BREEZE FOR INITIATION...AM LEANING TOWARDS
THE NAM/MET SOLUTION FOR POPS. WITH THIS INCREASE IN POPS...HAVE
TEMPERED THE MAV POPS TOWARDS THE NAM. EVEN WITH THE DECREASE IN MAX
TEMPS FROM THE WARMER GFS/MAV SOLUTION...VERY HIGH DEWPOINTS WILL
AGAIN MAKE FOR A VERY STICKY DAY...WITH HEAT INDICES PEAKING AROUND
110 OVER THE COAST AND WETTEST SECTIONS OF THE FA...AROUND 115 OVER
WESTERN SECTIONS. CONTINUING THE EXCESSIVE HEAT WATCH AS A RESULT.
FRIDAY NIGHT THROUGH SATURDAY...GUIDANCE CONTINUES TO ADVERTISE THE
SHORTWAVE ENERGY MEANDERING AROUND OVER/NEAR THE FA...ENHANCING THE
CHANCE FOR DAILY SHRA/TSRA...GENERALLY STARTING OUT OVER THE COASTAL
WATERS AS A LIGHT OFFSHORE DRAINAGE FLOW MEETS A GENERALLY ONSHORE
SYNOPTIC FLOW CAUSED BY A SURFACE RIDGE STRETCHING WEST OVER THE
CENTRAL/NORTHERN GULF OF MEX.
.LONG TERM...(SATURDAY NIGHT ON)AT THE END OF THE SHORT TERM...THE
GFS BEGAN ADVERTISING THE ENERGY IN THE SE-RN CONUS SHORTWAVE
BECOMING MORE ORGANIZED...AT TIME BECOMING A CLOSED LOW...WHILST THE
NAM AND ECMWF KEPT A MORE OPEN TROUGH. SATURDAY THROUGH SUNDAY...THE
GFS CONTINUES THIS TREND...MEANDERING THE SEMI-ORGANIZED UPPER LOW
WESTWARD ALONG THE NORTHERN GULF COAST...WHILE THE ECMWF MAINTAIN IS
OPEN SHORTWAVE TROUGH. THIS RESULTS IN THE ECMWF ADVERTISING THE
BEST QPF OVER EASTERN SECTIONS OF THE FA AND POINTS EAST...WHILE THE
GFS IS ADVERTISING BEST QPF OVER NORTHWESTERN SECTIONS OF THE FA AND
NORTHWEST. HAVE BLENDED THE PARTICULARS OF BOTH AS A START...POP WISE
AND CLEANED UP...FOR TEMPS...STARTED WITH AN OP GFS/ENSEMBLE
BLEND...WITH THE ENSEMBLE PATTERN CLOSE TO THE ECMWF. THIS MEANS
TEMPS A BIT ABOVE SEASONAL...WITH POPS AROUND SEASONAL.
SUNDAY NIGHT THROUGH MONDAY...THE ECMWF OPENS THE UPPER TROUGH OVER
THE SOUTHEASTERN CONUS...WHILST THE GFS MEANDERS THE UPPER LOW
WESTWARD A BIT MORE BEFORE STALLING IT OVER THE LA GULF COAST
MONDAY. RESULTANT QPF PATTERNS ARE PRETTY MUCH THE SAME OVER THE
FA...AND WITH THE ENSEMBLES IN PRETTY MUCH AGREEMENT...HAVE PRETTY
MUCH STAYED WITH THE OP GFS SOLUTION......GLEANING UP FROM THERE.
THIS MEANS TEMPS A BIT ABOVE SEASONAL...WITH POPS AROUND SEASONAL.
MONDAY NIGHT THROUGH TUESDAY...THE GFS STARTS MEANDERING THE
SHORTWAVE OVER THE LA COAST EASTWARD...WHILE THE ECMWF SHIFTS THE
TROUGH WEST A BIT AND OPENS IT A SCOOCH. THE ENSEMBLES LEAN TOWARDS
THE ECMWF IN ADVERTISING A DRIER...WARMER SOLUTIONS...SO HAVE WENT
WITH A BLENDED SOLUTION OF THE GFS/ECMWF/ENSEMBLE. THIS MEANS A
SLIGHT DECREASE IN THE CHANCE OF RAIN TUESDAY...WITH TEMPS A BIT
WARMER...BUT AGAIN...ONLY A FEW DECREASE ABOVE SEASONAL.
TUESDAY NIGHT THROUGH WEDNESDAY...THE GFS IS ADVERTISING THE UPPER
SHORTWAVE WEAKENING INTO AN UPPER TROUGH AS IT CONTINUES TO MOVE
EAST...BECOMING AN UPPER TROUGH CENTERED OVER THE EASTERN GULF OF
MEX...THEN SHIFTING WEST TO OVER THE FA...WHILE THE ECMWF FILLS THE
EASTERN TROUGH EVEN MORE...AND THEN WEDNESDAY NIGHT THROUGH
THURSDAY...DISAPPEARS COMPLETELY AS UPPER LEVEL HIGH PRESSURE MOVES
SOUTHEAST OVER THE SOUTHEASTERN CONUS. THE ECMWF IS ADVERTISING A
SURFACE TROUGH MOVING SOUTH TOWARDS THE NORTHERN GULF COAST. FEEL
THAT THOUGH THERE ARE DIFFERENT CAUSES...THE GFS POPS ARE A PRETTY
GOOD START...WITH THE GFS SHORTWAVE AND ECMWF SURFACE BOUNDARY THE
REASON. FOR TEMPS THE GFS IS ADVERTISING WARMER TEMPS THAN THE
ENSEMBLES...SO HAVE USED IT A START...TWEAKING FROM THERE.
&&
.MARINE...HIGH PRESSURE RIDGE WILL CONTINUE OVER THE GULF THROUGH
THE WEEKEND WHILE A WEAK TROF OF LOW PRESSURE PERSISTS OVER THE
INTERIOR PORTIONS OF THE SOUTHEASTERN STATES. THIS PATTERN WILL
MAINTAIN A PREDOMINANT LIGHT WEST TO SOUTHWEST FLOW THROUGH MOST OF
THE PERIOD...EXPECT FOR POSSIBLY A LIGHT WEST TO NORTHWESTERLY FLOW
AT TIMES DURING THE LATE NIGHT AND EARLY MORNING HOURS. ISOLATED TO
OCNLY SCATTERED SHRA/TSRA ACTIVITY OVER THE MARINE AREA...ESPECIALLY
DURING THE LATE NIGHT AND EARLY MORNING HOURS. SEAS GENERALLY NO
MORE THAN ABOUT 2 FEET THROUGH THE FCST PERIOD. 12/DS
&&
.FIRE WEATHER...AN UPPER LEVEL HIGH OVER THE PLAINS WILL CREATE A
DEEP MIXING LAYER...CREATING VERY HIGH DISPERSIONS EVEN WITH A PRETTY
LIGHT MIXING LAYER FLOW. AN UPPER LEVEL SYSTEM WILL WORK ITS WAY
AROUND THE EAST SIDE OF THE HIGH OVER THE WEEKEND...EASING THE TEMPS
A BIT OVER THE WEEKEND...AND ALSO ALLOWING A SURFACE RIDGE OVER THE
GULF TO DEVELOP...ENHANCING THE ONSHORE FLOW THIS WEEKEND INTO THE
COMING WEEK.
&&
.PRELIMINARY POINT TEMPS/POPS...
MOBILE 97 78 98 77 / 40 20 20 20
PENSACOLA 97 80 95 79 / 30 20 20 20
DESTIN 95 82 90 82 / 20 20 20 20
EVERGREEN 99 77 99 74 / 40 30 40 20
WAYNESBORO 100 77 99 74 / 30 20 40 20
CAMDEN 100 77 99 74 / 40 30 40 20
CRESTVIEW 99 77 99 76 / 30 30 30 20
&&
.MOB WATCHES/WARNINGS/ADVISORIES...
AL...EXCESSIVE HEAT WARNING FROM NOON THURSDAY TO 6 PM THURSDAY FOR
THE FOLLOWING ZONES: BUTLER...CHOCTAW...CLARKE...CONECUH...
COVINGTON...CRENSHAW...ESCAMBIA...LOWER BALDWIN...LOWER
MOBILE...MONROE...UPPER BALDWIN...UPPER MOBILE...
WASHINGTON...AND WILCOX.
EXCESSIVE HEAT WATCH FROM NOON FRIDAY TO 6 PM FRIDAY FOR THE
FOLLOWING ZONES: BUTLER...CHOCTAW...CLARKE...CONECUH...
COVINGTON...CRENSHAW...ESCAMBIA...LOWER BALDWIN...LOWER
MOBILE...MONROE...UPPER BALDWIN...UPPER MOBILE...
WASHINGTON...AND WILCOX.
FL...EXCESSIVE HEAT WARNING FROM NOON THURSDAY TO 6 PM THURSDAY FOR
THE FOLLOWING ZONES: COASTAL ESCAMBIA...COASTAL OKALOOSA...
COASTAL SANTA ROSA...INLAND ESCAMBIA...INLAND OKALOOSA...
AND INLAND SANTA ROSA.
EXCESSIVE HEAT WATCH FROM NOON FRIDAY TO 6 PM FRIDAY FOR THE
FOLLOWING ZONES: COASTAL ESCAMBIA...COASTAL OKALOOSA...
COASTAL SANTA ROSA...INLAND ESCAMBIA...INLAND OKALOOSA...
AND INLAND SANTA ROSA.
MS...EXCESSIVE HEAT WARNING FROM NOON THURSDAY TO 6 PM THURSDAY FOR
THE FOLLOWING ZONES: GEORGE...GREENE...PERRY...STONE...AND
WAYNE.
EXCESSIVE HEAT WATCH FROM NOON FRIDAY TO 6 PM FRIDAY FOR THE
FOLLOWING ZONES: GEORGE...GREENE...PERRY...STONE...AND
WAYNE.
GM...NONE.
&&
12/16Hazardous weather outlook, Aug 4, 5:40 AM CDT, 8 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 540 AM CDT THU AUG 4 2011 ALZ051>064-FLZ001>006-GMZ630-650-655-670-675-MSZ067-075-076-078- 079-051200- 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- 540 AM CDT THU AUG 4 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF INTERIOR SOUTHEAST MISSISSIPPI...SOUTHWEST AND SOUTH CENTRAL ALABAMA...THE WESTERN FLORIDA PANHANDLE AND THE ADJACENT GULF COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT AN EXCESSIVE HEAT WARNING IS IN EFFECT AGAIN TODAY FOR THE ENTIRE FORECAST AREA AS AFTERNOON HEAT INDICES ARE EXPECTED TO ONCE AGAIN RISE INTO THE 110 TO 115 DEGREE RANGE. REMEMBER...HEAT INDICES ARE DEVISED FOR SHADY...LIGHT WIND AREAS. EXPOSURE TO FULL SUNSHINE CAN INCREASE HEAT INDICES BY AS MUCH AS 15 DEGREES. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH THE RISK OF HEAT RELATED ILLNESSES IS SUBSTANTIALLY INCREASED...INCLUDING HEAT EXHAUSTION...CRAMPS...OR IN EXTREME CASES...DEADLY HEAT STROKE. EVERYONE IS ENCOURAGED TO PRACTICE THEIR HOT WEATHER SAFETY TIPS. LITTLE RELIEF FROM THE HEAT IS EXPECTED DURING THE NIGHTTIME HOURS WITH HEAT INDICES REMAINING IN THE 90S THROUGH THE EVENING WITH LOWS ONLY DROPPING INTO THE MID TO UPPER 70S. SLIGHTLY MORE COVERAGE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON IS EXPECTED ACROSS THE AREA TODAY AS OUTFLOW BOUNDARIES FROM EARLY MORNING STORMS TO THE NORTH OF THE AREA INTERACT WITH AN INCREASINGLY UNSTABLE AIRMASS TODAY. THERE IS A MODERATE CHANCE WET MICROBURSTS TODAY WITH THE STORMS...AND STRONG GUSTY WINDS...BRIEF HEAVY RAINFALL AND FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES CAN BE EXPECTED WITH ANY OF THE STORMS. A FEW SEVERE STORMS WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY EXCESSIVE HEAT IS EXPECTED TO CONTINUE FOR THE REMAINDER OF THE WEEK...WITH AFTERNOON HEAT INDICES RISING TO THE 110 TO 115 DEGREE RANGE THROUGH AT LEAST SATURDAY...THEN LIKELY IN THE 105 TO 110 DEGREE RANGE ON SUNDAY. EVERYONE IS ENCOURAGED TO PRACTICE THEIR HOT WEATHER SAFETY TIPS. LITTLE RELIEF FROM THE HEAT IS EXPECTED DURING THE NIGHTTIME HOURS WITH HEAT INDICES REMAINING IN THE 90S THROUGH THE EVENING WITH LOWS ONLY DROPPING INTO THE MID TO UPPER 70S. ANY RELIEF THAT DOES COME WILL BE BY WAY OF SCATTERED SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY DOWNPOURS AND FREQUENT LIGHTNING ARE POSSIBLE WITH THE STRONGER STORMS. A FEW MAY BECOME STRONG TO SEVERE. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT EXPECTED THROUGH WEDNESDAY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:26 PM CDT | Excessive Heat Watch | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 23 hr |
| Aug 4, 6:11 PM CDT | Areal Flood Advisory | MOB | Choctaw | 64 min |
Nearby
Excessive Heat Warnings in Alabama, 2011Excessive Heat Warnings in Mississippi, 2011Excessive Heat Warnings in Florida, 2011Every excessive heat warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.