Alert archive / New Jersey / Heat Advisories in 2011

Heat Advisory 5, NWS Philadelphia/Mount Holly

July 24, 20115 counties in Maryland; Kent County, Sussex County, Delaware; 7 counties in New Jersey

NWS Philadelphia/Mount Holly issued this heat advisory at Jul 24, 2011, 3:48 AM EDT for 5 counties in Maryland; Kent County, Sussex County, Delaware; 7 counties in New Jersey. It took effect at Jul 24, 2011, 10:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 2011, 3:48 AM EDT (07:48 UTC)
In effect from
Jul 24, 2011, 10:00 AM EDT
Expired
Jul 24, 2011, 8:00 PM EDT
In force
10 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 07:53 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.8 hours before the alert went out and 157 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.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 00:00Z on 2011-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2684 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2011-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2684 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1410 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

827 
WWUS71 KPHI 240748
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
348 AM EDT SUN JUL 24 2011

...DANGEROUS HEAT AND HUMIDITY CONTINUES TO IMPACT THE REGION...

.OPPRESSIVE HEAT AND HUMIDITY WILL REMAIN IN PLACE THROUGH SUNDAY
FOR URBAN AREAS IN AND AROUND PHILADELPHIA.

DEZ001-NJZ015-017>019-PAZ067>071-250000-
/O.CON.KPHI.EH.W.0003.000000T0000Z-110725T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
348 AM EDT SUN JUL 24 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

* HEAT INDEX VALUES...UP TO 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE
  DANGEROUS HEAT INDEX VALUES. THIS WILL OCCUR THROUGH TODAY AFTER
  ANOTHER WARM AND MUGGY NIGHT WHERE SOME LOCATIONS HAVE HAD
  TEMPERATURES IN THE 80S ALL NIGHT. 

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 CREATE A DANGEROUS SITUATION
IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...
STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK
UP ON RELATIVES AND NEIGHBORS. KEEP YOUR PETS IN A COOL AND WELL
VENTILATED LOCATION WITH PLENTY OF WATER AVAILABLE. THE MOST
HUMANE THING TO DO IS TO BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR THE EARLY MORNING
OR LATE EVENING HOURS. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE. DRINK PLENTY OF WATER.

TO REDUCE YOUR RISK WHEN WORKING OUTDOORS...THE OCCUPATIONAL
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT
REST BREAKS IN A SHADED OR AIR CONDITIONED ENVIRONMENT. ANYONE
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.
HEAT STROKE IS AN EMERGENCY...CALL 9 1 1.

&&

$$

DEZ002>004-MDZ008-012-015-019-020-NJZ016-021>025-027-250000-
/O.NEW.KPHI.HT.Y.0005.110724T1400Z-110725T0000Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-SALEM-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
PENNSVILLE...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...WHARTON STATE FOREST
348 AM EDT SUN JUL 24 2011

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING. 

* HEAT INDEX VALUES...UP TO AROUND 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL INCREASE THE
  CHANCES FOR HEAT RELATED ILLNESSES THIS AFTERNOON AND EARLY
  EVENING. THIS IS ESPECIALLY TRUE FOR THE VERY YOUNG, ELDERLY
  AND ANYONE DOING STRENUOUS ACTIVITIES DURING THE HOTTEST PART OF
  TODAY.
 
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.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITY 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.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$

NJZ013-020-250000-
/O.NEW.KPHI.HT.Y.0005.110724T1400Z-110725T0000Z/
WESTERN MONMOUTH-OCEAN-
INCLUDING THE CITIES OF...FREEHOLD...JACKSON
348 AM EDT SUN JUL 24 2011

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING. 

* HEAT INDEX VALUES...UP TO AROUND 100.
 
* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL INCREASE THE
  CHANCES FOR HEAT RELATED ILLNESSES THIS AFTERNOON AND EARLY
  EVENING. THIS IS ESPECIALLY TRUE FOR THE VERY YOUNG, ELDERLY
  AND ANYONE DOING STRENUOUS ACTIVITIES DURING THE HOTTEST PART OF
  TODAY.

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.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITY 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.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$
3 follow-up statements
060 
WWUS71 KPHI 241106
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
706 AM EDT SUN JUL 24 2011

...DANGEROUS HEAT AND HUMIDITY CONTINUES TO IMPACT THE REGION...

.OPPRESSIVE HEAT AND HUMIDITY WILL REMAIN IN PLACE THROUGH SUNDAY
FOR URBAN AREAS IN AND AROUND PHILADELPHIA.

DEZ001-NJZ015-017>019-PAZ067>071-250000-
/O.CON.KPHI.EH.W.0003.000000T0000Z-110725T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
706 AM EDT SUN JUL 24 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

* HEAT INDEX VALUES...UP TO 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE 
  DANGEROUS HEAT INDEX VALUES. THIS WILL OCCUR THROUGH TODAY 
  AFTER ANOTHER WARM AND MUGGY NIGHT WHERE SOME LOCATIONS HAVE 
  HAD TEMPERATURES IN THE 80S ALL NIGHT. 

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 CREATE A DANGEROUS SITUATION
IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...
STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK
UP ON RELATIVES AND NEIGHBORS. KEEP YOUR PETS IN A COOL AND WELL
VENTILATED LOCATION WITH PLENTY OF WATER AVAILABLE. THE MOST
HUMANE THING TO DO IS TO BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR THE EARLY MORNING
OR LATE EVENING HOURS. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE. DRINK PLENTY OF WATER.

TO REDUCE YOUR RISK WHEN WORKING OUTDOORS...THE OCCUPATIONAL
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT
REST BREAKS IN A SHADED OR AIR CONDITIONED ENVIRONMENT. ANYONE
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.
HEAT STROKE IS AN EMERGENCY...CALL 9 1 1.

&&

$$

DEZ002>004-MDZ008-012-015-019-020-NJZ016-021>025-027-250000-
/O.CON.KPHI.HT.Y.0005.110724T1400Z-110725T0000Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-SALEM-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
PENNSVILLE...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...WHARTON STATE FOREST
706 AM EDT SUN JUL 24 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* HEAT INDEX VALUES...UP TO AROUND 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL INCREASE 
  THE CHANCES FOR HEAT RELATED ILLNESSES THIS AFTERNOON AND 
  EARLY EVENING. THIS IS ESPECIALLY TRUE FOR THE VERY YOUNG... 
  ELDERLY AND ANYONE DOING STRENUOUS ACTIVITIES DURING THE 
  HOTTEST PART OF TODAY. 

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. KEEP YOUR PETS IN A COOL AND WELL VENTILATED LOCATION
WITH PLENTY OF WATER AVAILABLE. THE MOST HUMANE THING TO DO IS TO
BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITY 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.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$

NJZ013-020-250000-
/O.CON.KPHI.HT.Y.0005.110724T1400Z-110725T0000Z/
WESTERN MONMOUTH-OCEAN-
INCLUDING THE CITIES OF...FREEHOLD...JACKSON
706 AM EDT SUN JUL 24 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* HEAT INDEX VALUES...UP TO AROUND 100.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL INCREASE 
  THE CHANCES FOR HEAT RELATED ILLNESSES THIS AFTERNOON AND 
  EARLY EVENING. THIS IS ESPECIALLY TRUE FOR THE VERY YOUNG... 
  ELDERLY AND ANYONE DOING STRENUOUS ACTIVITIES DURING THE 
  HOTTEST PART OF TODAY. 

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. KEEP YOUR PETS IN A COOL AND WELL VENTILATED LOCATION
WITH PLENTY OF WATER AVAILABLE. THE MOST HUMANE THING TO DO IS TO
BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITY 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.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$
185 
WWUS71 KPHI 242012
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
412 PM EDT SUN JUL 24 2011

DEZ002>004-NJZ013-020-024-025-027-242115-
/O.CAN.KPHI.HT.Y.0005.000000T0000Z-110725T0000Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-OCEAN-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
FREEHOLD...JACKSON...OCEAN CITY...ATLANTIC CITY...
WHARTON STATE FOREST
412 PM EDT SUN JUL 24 2011

...HEAT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
HEAT ADVISORY. 

$$

DEZ001-NJZ015-017>019-PAZ067>071-250000-
/O.CON.KPHI.EH.W.0003.000000T0000Z-110725T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
412 PM EDT SUN JUL 24 2011

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

* HEAT INDEX VALUES...UP TO 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE 
  DANGEROUS HEAT INDEX VALUES. THIS WILL OCCUR THROUGH TODAY 
  AFTER ANOTHER WARM AND MUGGY NIGHT WHERE SOME LOCATIONS HAVE 
  HAD TEMPERATURES IN THE 80S ALL NIGHT. 

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 CREATE A DANGEROUS SITUATION
IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...
STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK
UP ON RELATIVES AND NEIGHBORS. KEEP YOUR PETS IN A COOL AND WELL
VENTILATED LOCATION WITH PLENTY OF WATER AVAILABLE. THE MOST
HUMANE THING TO DO IS TO BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR THE EARLY MORNING
OR LATE EVENING HOURS. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE. DRINK PLENTY OF WATER.

TO REDUCE YOUR RISK WHEN WORKING OUTDOORS...THE OCCUPATIONAL
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT
REST BREAKS IN A SHADED OR AIR CONDITIONED ENVIRONMENT. ANYONE
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.
HEAT STROKE IS AN EMERGENCY...CALL 9 1 1.

&&

$$

MDZ008-012-015-019-020-NJZ016-021>023-250000-
/O.CON.KPHI.HT.Y.0005.000000T0000Z-110725T0000Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-
ATLANTIC-CAPE MAY-
INCLUDING THE CITIES OF...ELKTON...CHESTERTOWN...CENTREVILLE...
EASTON...DENTON...PENNSVILLE...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE
412 PM EDT SUN JUL 24 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* HEAT INDEX VALUES...UP TO AROUND 105.

* TIMING...PEAK HEAT INDEX VALUES ARE EXPECTED DURING THE 
  AFTERNOON HOURS. 

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL INCREASE 
  THE CHANCES FOR HEAT RELATED ILLNESSES THIS AFTERNOON AND 
  EARLY EVENING. THIS IS ESPECIALLY TRUE FOR THE VERY YOUNG... 
  ELDERLY AND ANYONE DOING STRENUOUS ACTIVITIES DURING THE 
  HOTTEST PART OF TODAY. 

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. KEEP YOUR PETS IN A COOL AND WELL VENTILATED LOCATION
WITH PLENTY OF WATER AVAILABLE. THE MOST HUMANE THING TO DO IS TO
BRING THEM INDOORS WITH YOU.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITY 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.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$
171 
WWUS71 KPHI 250004
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
804 PM EDT SUN JUL 24 2011

DEZ001-NJZ015-017>019-PAZ067>071-250115-
/O.EXP.KPHI.EH.W.0003.000000T0000Z-110725T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
804 PM EDT SUN JUL 24 2011

...EXCESSIVE HEAT WARNING HAS EXPIRED...

THE EXCESSIVE HEAT WARNING IS NO LONGER IN EFFECT. 

$$

MDZ008-012-015-019-020-NJZ016-021>023-250115-
/O.EXP.KPHI.HT.Y.0005.000000T0000Z-110725T0000Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-
ATLANTIC-CAPE MAY-
INCLUDING THE CITIES OF...ELKTON...CHESTERTOWN...CENTREVILLE...
EASTON...DENTON...PENNSVILLE...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE
804 PM EDT SUN JUL 24 2011

...HEAT ADVISORY HAS EXPIRED...

THE HEAT ADVISORY IS NO LONGER IN EFFECT. 

$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 1:42 PM EDTSpecial Weather StatementPHICaroline63 min
Jul 24, 2:13 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot36 min
Jul 24, 3:10 PM EDTSpecial Weather StatementPHIKent65 min
Jul 24, 4:06 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's54 min
Jul 24, 4:43 PM EDTSpecial Weather StatementPHIKent, Queen Anne's62 min
Jul 24, 5:57 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's63 min
Jul 24, 6:41 PM EDTSpecial Weather StatementPHITalbot64 min
Jul 24, 7:35 PM EDTSpecial Weather StatementPHITalbot55 min
Jul 24, 1:30 PM EDTSpecial Weather StatementPHISussex60 min
Jul 24, 2:04 PM EDTSevere Thunderstorm WarningPHIKent, Sussex56 min
Jul 24, 2:07 PM EDTSpecial Weather StatementPHISussex53 min
Jul 24, 2:12 PM EDTSevere Thunderstorm WarningPHISussex63 min
Jul 24, 2:59 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 24, 3:05 PM EDTSevere Thunderstorm WarningPHISussex55 min
Jul 24, 3:28 PM EDTSpecial Weather StatementPHISussex62 min
Jul 24, 3:40 PM EDTSpecial Weather StatementPHISussex65 min
Jul 24, 3:58 PM EDTSpecial Weather StatementPHIKent62 min
Jul 24, 4:26 PM EDTSpecial Weather StatementPHIKent64 min
Jul 24, 4:28 PM EDTSpecial Weather StatementPHISussex62 min
Jul 24, 4:58 PM EDTSpecial Weather StatementPHIKent62 min
Jul 24, 1:37 PM EDTSpecial Marine WarningPHI53 min
Jul 24, 1:40 PM EDTSpecial Weather StatementPHICape May65 min
Jul 24, 1:49 PM EDTSpecial Marine WarningPHI56 min
Jul 24, 2:02 PM EDTSpecial Weather StatementPHICape May58 min
Jul 24, 2:12 PM EDTSpecial Marine WarningPHI63 min
Jul 24, 2:41 PM EDTSpecial Weather StatementPHICape May64 min
Jul 24, 3:01 PM EDTSpecial Weather StatementPHIMorris59 min
Jul 24, 3:12 PM EDTSpecial Marine WarningPHI63 min
Jul 24, 3:14 PM EDTSpecial Marine WarningPHI61 min
Jul 24, 3:17 PM EDTSpecial Marine WarningPHI58 min
Jul 24, 3:17 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester58 min
Jul 24, 3:30 PM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean60 min
Jul 24, 3:36 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean54 min
Jul 24, 3:59 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean61 min
Jul 24, 4:13 PM EDTSpecial Weather StatementPHIAtlantic, Gloucester, Salem62 min
Jul 24, 4:14 PM EDTSpecial Weather StatementPHICape May61 min
Jul 24, 4:32 PM EDTSpecial Weather StatementPHIMorris, Sussex58 min
Jul 24, 4:41 PM EDTSevere Thunderstorm WarningPHIAtlantic64 min
Jul 24, 4:50 PM EDTSpecial Marine WarningPHI85 min
Jul 24, 4:59 PM EDTSpecial Marine WarningPHI61 min
Jul 24, 5:07 PM EDTSpecial Weather StatementPHIOcean53 min
Jul 24, 5:08 PM EDTSpecial Weather StatementPHIAtlantic67 min
Jul 24, 5:10 PM EDTSpecial Weather StatementPHICamden, Cumberland, Gloucester, Salem65 min
Jul 24, 5:22 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland53 min
Jul 24, 5:27 PM EDTSpecial Weather StatementPHIMercer63 min
Jul 24, 5:35 PM EDTSpecial Weather StatementPHIMercer55 min
Jul 24, 5:56 PM EDTSpecial Weather StatementPHIWarren64 min
Jul 24, 6:02 PM EDTAreal Flood AdvisoryPHIAtlantic, Cape May3 hr
Jul 24, 6:19 PM EDTSpecial Weather StatementPHICape May, Cumberland56 min
Jul 24, 7:28 PM EDTSpecial Weather StatementPHIBurlington, Camden62 min

Nearby

Heat Advisories in New Jersey, 2011Heat Advisories in Maryland, 2011Heat Advisories in Delaware, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.