Alert archive / New Jersey / Excessive Heat Watches in 2012

Excessive Heat Watch 5, NWS Philadelphia/Mount Holly

July 4, 20124 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this excessive heat watch at Jul 4, 2012, 3:39 AM EDT for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It took effect at Jul 6, 2012, 12:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jul 4, 2012, 3:39 AM EDT (07:39 UTC)
In effect from
Jul 6, 2012, 12:00 PM EDT
Expired
Jul 4, 2012, 3:19 PM EDT
In force
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 07:40 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

Brookhaven, NY (KOKX), launched 00:00Z, 7.7 hours before the alert went out and 218 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, Brookhaven, NY at 00:00Z on 2012-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1771 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
215 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.

552 
WWUS71 KPHI 040739
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
339 AM EDT WED JUL 4 2012

DEZ001-NJZ015-017>019-PAZ067>071-042030-
/O.NEW.KPHI.EH.A.0005.120706T1600Z-120708T0000Z/
/O.CON.KPHI.EH.W.0004.120704T1500Z-120705T2200Z/
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
339 AM EDT WED JUL 4 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 6 PM EDT THURSDAY...
...EXCESSIVE HEAT WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN
EXCESSIVE HEAT WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY EVENING.

* HEAT INDEX VALUES...AROUND 100 THIS AFTERNOON AND AGAIN THURSDAY
  AND FRIDAY AFTERNOON...SOARING TO 105 SATURDAY. TONIGHTS LOW
  TEMPERATURE IN PHILADELPHIA WILL BE IN THE UPPER 70S AND THE
  SAME OR POSSIBLY WARMER FRIDAY NIGHT.

* TIMING...THIS LENGTHY 10 DAY HEAT WAVE WILL PROBABLY CULMINATE
  WITH ITS HOTTEST TEMPERATURES ON SATURDAY....CLOSE TO 100
  DEGREES. 

* DURATION...LOWER DEWPOINTS WILL PROBABLY PERMIT SOME RELIEF
  THURSDAY NIGHT BEFORE IT HEATS UP AGAIN MIDDAY FRIDAY. SUNDAY
  SHOULD BE SLIGHTLY COOLER... BUT STILL MAY TOP OUT JUST ABOVE 90
  DEGREES WHICH WOULD EXTEND THE HEAT WAVE TO 11 DAYS FOR THE
  PHILADELPHIA METRO AREA SOUTHWESTWARD.

* THE NUMBER OF CONSECUTIVE DAYS WITH A MAXIMUM TEMPERATURE AT
  PHILADELPHIA AND WILMINGTON HAD REACHED SIX DAYS AS OF TUESDAY.
  THE RECORD AT PHILADELPHIA IS 18 CONSECUTIVE DAYS... WHICH WAS
  SET IN 1988. THE RECORD AT WILMINGTON IS 16 CONSECUTIVE DAYS...
  WHICH WAS SET IN 1895. IT PRESENTLY APPEARS THIS PERIOD MAY LAST
  11 CONSECUTIVE DAYS... AND END ON MONDAY.

* IMPACTS...THE CUMULATIVE IMPACTS OF THE HEAT ARE A DANGER 
  ESPECIALLY FOR THE ELDERLY... INFIRM... THE VERY YOUNG... AND 
  THOSE IN INNER CITY AREAS THAT DO NOT HAVE AIR CONDITIONING. 
  PETS ALSO ARE SUSCEPTIBLE TO THE 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 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.

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.

PLEASE MAKE SURE THAT PETS HAVE ACCESS TO PLENTY OF COOL WATER
AND A SHADED AND WELL VENTILATED AREA. THE MOST HUMANE THING TO
DO IS TO BRING THEM INTO AN AIR CONDITIONED PLACE.

PLEASE NEVER LEAVE ANY PERSON OR ANIMAL IN A PARKED VEHICLE FOR
ANY LENGTH OF TIME.

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 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.

&&

$$

DEZ002>004-MDZ008-012-015-019-020-NJZ008>010-012>014-016-020>023-
025>027-042030-
/O.NEW.KPHI.HT.Y.0005.120704T1700Z-120704T2300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...
SANDY HOOK...PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
339 AM EDT WED JUL 4 2012

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING.

* HEAT INDEX VALUES...RANGING FROM AROUND 100 DEGREES IN NORTHERN
  NEW JERSEY UP TO 106 IN PORTIONS OF SOUTHERN DELAWARE AND
  MARYLAND'S EASTERN SHORE.

* IMPACTS...THE HEAT CAN BE DANGEROUS...ESPECIALLY FOR THE
  ELDERLY... INFIRM... THE VERY YOUNG... AND THOSE IN INNER CITY
  AREAS THAT DO NOT HAVE AIR CONDITIONING. PETS ALSO ARE
  SUSCEPTIBLE TO THE HEAT AS IS ANYONE WORKING OR EXERCISING
  OUTDOORS THIS AFTERNOON.

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.

&&

$$


DRAG
2 follow-up statements
383 
WWUS71 KPHI 040756 CCA
NPWPHI

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 AM EDT WED JUL 4 2012

DEZ001-NJZ015-017>019-PAZ067>071-042100-
/O.COR.KPHI.EH.A.0005.120706T1600Z-120708T0000Z/
/O.COR.KPHI.EH.W.0004.120704T1500Z-120705T2200Z/
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
354 AM EDT WED JUL 4 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 6 PM EDT THURSDAY...
...EXCESSIVE HEAT WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN
EXCESSIVE HEAT WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY EVENING.

* HEAT INDEX VALUES...AROUND 100 THIS AFTERNOON AND AGAIN THURSDAY
  AND FRIDAY AFTERNOON...SOARING TO 105 SATURDAY. TONIGHTS LOW
  TEMPERATURE IN PHILADELPHIA WILL BE IN THE UPPER 70S AND THE
  SAME OR POSSIBLY WARMER FRIDAY NIGHT.

* TIMING...THIS LENGTHY 10 DAY HEAT WAVE WILL PROBABLY CULMINATE
  WITH ITS HOTTEST TEMPERATURES ON SATURDAY....CLOSE TO 100
  DEGREES. 

* DURATION...LOWER DEWPOINTS WILL PROBABLY PERMIT SOME RELIEF
  THURSDAY NIGHT BEFORE IT HEATS UP AGAIN MIDDAY FRIDAY. SUNDAY
  SHOULD BE SLIGHTLY COOLER... BUT STILL MAY TOP OUT JUST ABOVE 90
  DEGREES WHICH WOULD EXTEND THE HEAT WAVE TO 11 DAYS FOR THE
  PHILADELPHIA METRO AREA SOUTHWESTWARD.

* THE NUMBER OF CONSECUTIVE DAYS WITH A MAXIMUM TEMPERATURE OF 90
  DEGREES OR HIGHER AT PHILADELPHIA AND WILMINGTON HAD REACHED
  SIX DAYS AS OF TUESDAY. THE RECORD AT PHILADELPHIA IS 18
  CONSECUTIVE DAYS... WHICH WAS SET IN 1988. THE RECORD AT
  WILMINGTON IS 16 CONSECUTIVE DAYS... WHICH WAS SET IN 1895. IT
  PRESENTLY APPEARS THIS PERIOD MAY LAST 11 CONSECUTIVE DAYS...
  AND END ON MONDAY.

* IMPACTS...THE CUMULATIVE IMPACTS OF THE HEAT ARE A DANGER 
  ESPECIALLY FOR THE ELDERLY... INFIRM... THE VERY YOUNG... AND 
  THOSE IN INNER CITY AREAS THAT DO NOT HAVE AIR CONDITIONING. 
  PETS ALSO ARE SUSCEPTIBLE TO THE 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 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.

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.

PLEASE MAKE SURE THAT PETS HAVE ACCESS TO PLENTY OF COOL WATER
AND A SHADED AND WELL VENTILATED AREA. THE MOST HUMANE THING TO
DO IS TO BRING THEM INTO AN AIR CONDITIONED PLACE.

PLEASE NEVER LEAVE ANY PERSON OR ANIMAL IN A PARKED VEHICLE FOR
ANY LENGTH OF TIME.

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 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.

&&

$$

DEZ002>004-MDZ008-012-015-019-020-NJZ008>010-012>014-016-020>023-
025>027-042100-
/O.NEW.KPHI.HT.Y.0005.120704T1700Z-120704T2300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...
SANDY HOOK...PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
354 AM EDT WED JUL 4 2012

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING.

* HEAT INDEX VALUES...RANGING FROM AROUND 100 DEGREES IN NORTHERN
  NEW JERSEY UP TO 106 IN PORTIONS OF SOUTHERN DELAWARE AND
  MARYLAND'S EASTERN SHORE.

* IMPACTS...THE HEAT CAN BE DANGEROUS...ESPECIALLY FOR THE
  ELDERLY... INFIRM... THE VERY YOUNG... AND THOSE IN INNER CITY
  AREAS THAT DO NOT HAVE AIR CONDITIONING. PETS ALSO ARE
  SUSCEPTIBLE TO THE HEAT AS IS ANYONE WORKING OR EXERCISING
  OUTDOORS THIS AFTERNOON.

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.

&&

$$


DRAG ..CORRECTED BULLET 4 OF THE WARNING..
397 
WWUS71 KPHI 041919
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
319 PM EDT WED JUL 4 2012

DEZ001-NJZ015-017>019-PAZ067>071-042300-
/O.CAN.KPHI.EH.A.0005.120706T1600Z-120708T0000Z/
/O.EXT.KPHI.EH.W.0004.000000T0000Z-120708T0000Z/
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
319 PM EDT WED JUL 4 2012

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT SATURDAY...


* HEAT INDEX VALUES...AROUND 100 THURSDAY AND FRIDAY AFTERNOON,
  THEN SOARING TO AROUND 105 ON SATURDAY. OVERNIGHT LOW
  TEMPERATURES IN PHILADELPHIA WILL BE IN THE UPPER 70S TONIGHT
  AND THURSDAY NIGHT AND POSSIBLY A FEW DEGREES WARMER FRIDAY NIGHT.

* TIMING...THIS LENGTHY 10 DAY HEAT WAVE WILL PROBABLY CULMINATE
  WITH ITS HOTTEST TEMPERATURES AND HEAT INDEX VALUES ON
  SATURDAY....WITH TEMPERATURES CLOSE TO 100 DEGREES AND HEAT
  INDEX VALUES AROUND 105 DEGREES.

* DURATION...LOWER DEWPOINTS WILL PROBABLY PERMIT SOME RELIEF
  THURSDAY NIGHT BEFORE IT HEATS UP AGAIN ON FRIDAY. SUNDAY SHOULD
  BE SLIGHTLY COOLER... BUT STILL MAY TOP OUT JUST ABOVE 90
  DEGREES WHICH WOULD EXTEND THE HEAT WAVE TO 11 DAYS FOR THE
  PHILADELPHIA METRO AREA SOUTHWESTWARD.

* THE NUMBER OF CONSECUTIVE DAYS WITH A MAXIMUM TEMPERATURE OF 90
  DEGREES OR HIGHER AT PHILADELPHIA AND WILMINGTON HAD REACHED
  SEVEN DAYS AS OF TODAY. THE RECORD AT PHILADELPHIA IS 18
  CONSECUTIVE DAYS... WHICH WAS SET IN 1988. THE RECORD AT
  WILMINGTON IS 16 CONSECUTIVE DAYS... WHICH WAS SET IN 1895. IT
  PRESENTLY APPEARS THIS PERIOD MAY LAST 11 CONSECUTIVE DAYS...
  AND END ON MONDAY.

* IMPACTS...THE CUMULATIVE IMPACTS OF THE HEAT ARE A DANGER 
  ESPECIALLY FOR THE ELDERLY... INFIRM... THE VERY YOUNG... AND 
  THOSE IN INNER CITY AREAS THAT DO NOT HAVE AIR CONDITIONING. 
  PETS ALSO ARE SUSCEPTIBLE TO THE 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 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.

PLEASE MAKE SURE THAT PETS HAVE ACCESS TO PLENTY OF COOL WATER
AND A SHADED AND WELL VENTILATED AREA. THE MOST HUMANE THING TO
DO IS TO BRING THEM INTO AN AIR CONDITIONED PLACE.

PLEASE NEVER LEAVE ANY PERSON OR ANIMAL IN A PARKED VEHICLE FOR
ANY LENGTH OF TIME.

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.

&&

$$

DEZ002>004-MDZ008-012-015-019-020-042300-
/O.EXT.KPHI.HT.Y.0005.000000T0000Z-120706T0000Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON
319 PM EDT WED JUL 4 2012

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THURSDAY...

* HEAT INDEX VALUES...AROUND 105 DEGREES.

* IMPACTS...THE HEAT CAN BE DANGEROUS...ESPECIALLY FOR THE
  ELDERLY... INFIRM... THE VERY YOUNG... AND THOSE IN INNER CITY
  AREAS THAT DO NOT HAVE AIR CONDITIONING. PETS ALSO ARE
  SUSCEPTIBLE TO THE HEAT AS IS ANYONE WORKING OR EXERCISING
  OUTDOORS DURING THE AFTERNOON.

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.

&&

$$

NJZ008>010-012>014-016-020>023-025>027-042300-
/O.CON.KPHI.HT.Y.0005.000000T0000Z-120704T2300Z/
MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
319 PM EDT WED JUL 4 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

* HEAT INDEX VALUES...AROUND 100 DEGREES.

* IMPACTS...THE HEAT CAN BE DANGEROUS...ESPECIALLY FOR THE
  ELDERLY... INFIRM... THE VERY YOUNG... AND THOSE IN INNER CITY
  AREAS THAT DO NOT HAVE AIR CONDITIONING. PETS ALSO ARE
  SUSCEPTIBLE TO THE HEAT AS IS ANYONE WORKING OR EXERCISING
  OUTDOORS DURING THE AFTERNOON.

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.

&&

$$

What forecasters said that day

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

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this excessive heat watch went out at Jul 4, 3:24 AM EDT, 15 minutes earlier.

Area forecast discussion, Jul 4, 3:24 AM EDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
324 AM EDT WED JUL 4 2012

.SYNOPSIS...
A WARM FRONT WILL CONTINUE TO LIFT NORTHEAST OF OUR AREA THIS
MORNING, THEN ANOTHER FRONTAL BOUNDARY WILL MOVE INTO OUR REGION
THURSDAY. A WEAK DISTURBANCE MAY SLIDE NEAR OUR AREA EARLY FRIDAY,
THEN A COLD FRONT ARRIVES LATE SATURDAY. THIS COLD FRONT, WHICH
SHOULD PUT AN END TO THE HEAT WAVE, IS EXPECTED TO SETTLE FARTHER
SOUTH OF OUR AREA SUNDAY THROUGH TUESDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
***HEATWAVE CONTINUES WITH WARNING AND ADVY TODAY AND A NEW HEAT
 WATCH FOR FRI AFTN-SAT EVE WILL POST AT 330 AM***

SLOW MOVING SHOWERS AND TSTMS IN CENTRAL PA SHOULD WEAKEN A BIT
IN THEIR ESEWD APPROACH AND PASS THROUGH PORTIONS OF OUR AREA
BETWEEN 07Z AND 13Z. NO SVR EXPECTED ATTM BUT SPS'S MAY BE NEEDED.
THERE WILL BE SOME BULK SHEAR AND SOME ML CAPE SO CANT RULE OUT A
PROBLEM CLUSTER OF STORMS...PROBABLY MOST FAVORED IN DE OR THE NJ
COAST NEAR 10Z AS THESE SHOWERS IN PA WEAKEN AND REAPPEAR ALONG
THE COAST.

NEW 00Z/4 BLENDED NCEP MOS HAS BEEN APPLIED TO THE TT/TD.

FCSTG NEAR RECORD HEAT AT KGED TODAY. PROB 98F THERE.

TODAY...ANY SHOWERS/TSTMS SHOULD PUSH OFF THE COAST AROUND 12-13Z
AND THEN I DONT THINK THERE WILL BE ANY MORE CONVECTION UNTIL VERY
LATE THIS AFTN OR EVENING OUT OF THE POCONOS...IF THAT. THAT MEANS...HOT
AND HUMID WITH MAX TEMPS AROUND 5-6PM WHEN THE NAM BL TEMP RISES
TO ITS HIGHEST VALUE. W WIND G 15-20 KTS THIS WED AFTN ALL THE WAY
TO THE COAST AND SO ITS HOT EVERYWHERE. RGEM HAS SEA BREEZES
DEVELOPING ALONG THE COAST SO THERE IS SOME UNCERTAINTY REGARDING
THE PERSISTENCE OF A WEST WIND ALONG THE NEAREST 2 MI OF THE COAST.
FOR NOW...HAVE FCST THE WORST CASE SCENARIO AND ISSUED A HEAT ADVY
FOR THE REMAINDER OF NJ...DE/MD WHERE CRITERIA HEAT INDICES ARE
INDICATED FROM THE 00Z/4 BLENDED NAMMOS/NAM 2M TEMPS AND RGEM 2M
TEMPS. GFS LOOKS TOO COLD AND UNRESPONSIVE TO WHAT SHOULD BE LOTS
OF SS TODAY AFTER THE MORNING CLOUD DEBRIS MOVES EAST/DISSIPATES.
UK SUPPORTS AT LEAST MID 90S.

HI: SHOULD EXCEED 100 IN ALL OF NJ FOR 1 TO 3 HRS THIS AFTN AND
105 IN DE/MD. NOT HIGH ENOUGH FOR A WARNING BUT WORTHY OF
NOTING...ESP WITH SO MANY OUTSIDE ON THE INDEPENDENCE DAY.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 AM THURSDAY/...
POSSIBLE SHOWER OR TSTM MOVING S THRU E PA/W NJ INTO DEL
AND NE MD BUT PROBABILITY IS LOW. THE DRY BOUNDARY MOVING SWD MIGHT
BE THE TRIGGER. JUST NOT SURE IF THERE IS ENOUGH DEEP LAYERED
MOISTURE.  STILL MUGGY ALL NIGHT!

&&

.LONG TERM /THURSDAY THROUGH TUESDAY/...
THE HEAT WAVE CONTINUES FOR A GOOD PART OF THE REGION FOR AWHILE,
HOWEVER A COOLING TREND MAY DEVELOP EARLY NEXT WEEK. SYNOPTICALLY, A
RIDGE OF RATHER HOT AIR FROM THE PLAINS TO THE SOUTHEASTERN STATES
WILL ELONGATE EASTWARD AT TIMES TO THE MID ATLANTIC. MEANWHILE, A
NORTHWESTERLY FLOW ALOFT WILL RESULT IN SOME OF THAT RATHER HOT AIR
ADVECTING TO THE MID ATLANTIC REGION. WHILE A FEW FRONTAL BOUNDARIES
WILL SETTLE INTO THE AREA, THESE ARE MAINLY JUST SOME WIND SHIFTS
AND DEW POINT BOUNDARIES. THE MAIN PUSH OF A COOLER AIRMASS LOOKS TO
ARRIVE LATE IN THE WEEKEND AND EARLY NEXT WEEK, ALTHOUGH THIS FRONT
MAY TEND TO STALL NOT TO FAR TO OUR SOUTH. ALSO UNDER THIS PATTERN,
THE CHC FOR WIDESPREAD CONVECTION LOOKS LIMITED ALTHOUGH THIS WILL
HAVE TO BE WATCHED AS MCS DEVELOPMENT CAN OCCUR UPSTREAM.

FOR THURSDAY THROUGH SATURDAY, THE HEAT RIDGE ELONGATES EASTWARD
SOME WHICH WILL RESULT IN AN UPTICK IN THE TEMPERATURES ACROSS A
GOOD PART OF THE AREA. THERE APPEARS TO BE SUFFICIENT MOISTURE
ADVECTING EASTWARD AROUND THIS RIDGE TO RESULT IN HUMID CONDITIONS
AS WELL. THERE IS HOWEVER A PERIOD WHERE THE DEW POINTS BACK OFF
SOME THURSDAY AND FRIDAY AS A WEAK BOUNDARY MOVES THROUGH AND
PROMOTES LESS MOISTURE IN THE LOWER LEVELS WITH SOME DEEPER MIXING.
THIS WILL HAVE AN IMPACT ON THE HEAT INDICES, HOWEVER AFTERNOON AIR
TEMPERATURES ARE EXPECTED TO BE WELL INTO THE 90S FOR MOST LOCALES.
THE RIDGE MAY START TO FLATTEN SOME SATURDAY AS SOME SHORT WAVE
ENERGY DIVES SOUTHEASTWARD FROM THE GREAT LAKES. THE 925 MB THERMAL
FIELDS AND WINDS INDICATE A WESTERLY FLOW WITH ABOUT +27C AIR
ARRIVING IN OUR AREA SATURDAY MORNING. IN ADDITION, A THERMAL
GRADIENT IS GENERALLY FORECAST AT 925 MB SATURDAY MORNING FROM
CHICAGO EASTWARD TO SOUTHEASTERN NEW ENGLAND. AT THE SURFACE, THIS
IS REFLECTED BY A COLD FRONT. THERE LOOKS TO BE SOME CONVECTIVE
INITIATION TAKING PLACE IN A ZONE OF CONVERGENCE AND WAA ACROSS THE
GREAT LAKES AND AN ASSOCIATED SHORT WAVE WILL TEND TO SLIDE
SOUTHEASTWARD. THERE IS THE POTENTIAL FOR A CONVECTIVE COMPLEX TO
OCCUR AND MAKE A RUN AT OUR AREA MAINLY SATURDAY NIGHT, HOWEVER
PRIOR TO THAT THE ENVIRONMENT LOOKS MORE CAPPED FRIDAY INTO SATURDAY
WITH A RIBBON OF WARMER AIR BETWEEN ABOUT 800 MB AND 950 MB. THERE
IS HOWEVER LOWER CONFIDENCE WITH THE DETAILS /COVERAGE/ AS THE
TIMING AND AMOUNT OF INSTABILITY WILL PLAY A ROLE WITH EVENTUAL
CONVECTIVE DEVELOPMENT.

WE FAVORED A DRY FORECAST THURSDAY AND FRIDAY HOWEVER THERE COULD BE
SOME ISOLATED CONVECTION DEVELOPING EACH AFTERNOON AND EVENING
ESPECIALLY ACROSS THE DELMARVA WHERE DEW POINTS SHOULD HOLD UP MORE.
THESE HIGHER DEW POINTS MAY END UP BEING ENHANCED SOME FROM THE
WESTERLY FLOW ACROSS THE RATHER MILD CHESAPEAKE BAY. SATURDAY DURING
THE DAY WAS MOSTLY HELD DRY WITH THE EXCEPTION OF THE DELMARVA WHERE
AGAIN ENHANCED LOW-LEVEL MOISTURE WILL TEND TO BOOST THE
INSTABILITY. A LEE SIDE TROUGH MAY GET TANGLED WITH AN INCOMING
SURFACE FRONT TO ALSO HELP FOCUS SOME CONVECTION HERE. WE THEN HAVE
TO WAIT FOR SOME ENERGY SLIDING SOUTHEASTWARD FROM THE GREAT LAKES
SATURDAY NIGHT TO POSSIBLY DEVELOP A CONVECTIVE CLUSTER. IF THIS
WERE TO DEVELOP, PERHAPS MORE OF A SOUTHERN TRACK DUE TO A POTENTIAL
TIGHTENING UP SOME OF THE THERMAL FIELDS RESULTING IN BETTER
INSTABILITY PARAMETERS.

AS FOR TEMPERATURES, WE LEANED CLOSER TO CONTINUITY AS THE FORECAST
VALUES LOOK PRETTY GOOD BASED ON NEWER GUIDANCE. ANY ADJUSTMENTS
WERE MAINLY ON THE MINOR SIDE. WE WILL MAINTAIN THE EXCESSIVE
HEAT WARNING FOR THE PHILADELPHIA METRO REGION THROUGH 6 PM
THURSDAY. THERE IS A GENERAL MODEL CONSENSUS THAT ENOUGH DRYING
WORKS IN ACROSS A GOOD PART OF THE AREA TO PROVIDE A COOLER AIRMASS.
FRIDAY COULD BE A BIT TRICKY AS A LITTLE BIT OF COOLING MAY ARRIVE
ALONG WITH LOW ENOUGH DEW POINTS TO ALLOW FOR REDUCED HEAT INDICES.
THIS LOOKS TO CHANGE AGAIN FOR SATURDAY AS EVEN HOTTER AIR ARRIVES
ALONG WITH DEW POINTS RISING AGAIN. GIVEN THE POTENTIAL, THE LENGTH
OF THIS HEAT WAVE, THE URBANIZED CENTERS, AND A BIT LOWER CRITERIA,
WE OPTED TO GO WITH AN EXCESSIVE HEAT WATCH FROM 16Z FRIDAY THROUGH
00Z SUNDAY FOR THE PHILADELPHIA METRO REGION. FOR THE AREAS
SURROUNDING THIS, SOME HEAT ADVISORIES MAY BE NEEDED ESPECIALLY FOR
SATURDAY BUT FOR NOW NO HEADLINE. OUR DELMARVA ZONES NEAR THE LOWER
END OF THE ADVISORY CRITERIA THURSDAY, HOWEVER WE OPTED TO HOLD OFF
ATTM. WE WILL CARRY A MENTION IN THE HAZARDOUS WEATHER OUTLOOK.

FOR SUNDAY THROUGH TUESDAY, AN EAST TO WEST ORIENTATED BOUNDARY IS
FORECAST TO SLOW AS IT DROPS TO OUR SOUTH. THERE LOOKS TO BE SOME
ENERGY RIPPLING ALONG THIS FRONT, THEREFORE WE MAINTAINED SLIGHT CHC
TO LOW CHANCE POPS AS ENOUGH MOISTURE AND INSTABILITY MAY STILL BE
PRESENT AMIDST SOME POSSIBLE DRYING ALOFT. WITH THE FRONT TO OUR
SOUTH, TEMPERATURES ARE EXPECTED TO EASE SOME AND THIS WOULD BREAK
THE WIDESPREAD AND LENGTHY HEAT WAVE ON MONDAY.

&&

.AVIATION /07Z WEDNESDAY THROUGH SUNDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.

THROUGH 12Z...VFR EXCEPT BRIEF MVFR CONDS IN VCNTY SHOWERS/ISO
TSTMS IN THE APPROXIMATE 07Z-12Z TIME FRAME. LIGHT S-SW WIND.

AFTER 12Z WED...VFR SCT CLOUDS AOA 5000 FT BECOMING PATCHY BKN CIGS
IN THE AFTN AOA 5000 FT. SMALL CHC OF A LATE DAY/EVE TSTM VCNTY
KABE/KRDG. W WIND INCREASING G15-20 KTS MID AND LATE AFTN.

TONIGHT...VFR. SMALL CHC OF AN SHOWER OR TSTM VCNTY KILG THIS
EVENING. MVFR HAZE LATE. LIGHT WIND.

OUTLOOK...
THURSDAY AND FRIDAY...MAINLY VFR, ALTHOUGH THERE COULD BE LOCAL
SUB-VFR WITH ANY EARLY MORNING HAZE AND/OR FOG.

SATURDAY...POSSIBLE LATE NIGHT LOCAL SUB-VFR IN HAZE AND/OR FOG.
THERE IS THE POTENTIAL FOR LATE AFTERNOON AND NIGHTTIME SHOWERS AND
THUNDERSTORMS.

SUNDAY...POSSIBLE SUB-VFR IN SOME SHOWERS AND THUNDERSTORMS.

&&

.MARINE...
NO SCA HEADLINE THROUGH TONIGHT.

GUSTY W WIND POSSIBLE IN A TSTM VCNTY DAYBREAK. SW WINDS SHOULD TEND
TO W DURING THE AFTN WITH G15-20 KTS POSSIBLE...ESP NEARSHORE
ALONG THE LAND INTERFACE. THERE IS SOME MODEL DATA THAT SUGGESTS A
SSW SEA BREEZE WIND WILL DEVELOP DURING THE AFTN ALONG THE NJ/DE
COASTS.

LIGHT MAINLY W-SW WIND TONIGHT.  HAZY.

OUTLOOK...
A WEAK FRONTAL BOUNDARY IS FORECAST TO ARRIVE DURING THURSDAY THEN
STALL NEAR THE DELMARVA BEFORE EITHER DISSIPATING OR MOVING BACK
NORTHWARD AS A WARM FRONT LATE FRIDAY. OVERALL, THIS WILL RESULT IN
CHANGEABLE WINDS HOWEVER THE PRESSURE GRADIENT IS NOT ALL THAT TIGHT
THEREFORE WINDS ARE ANTICIPATED TO BE ON THE LIGHTER SIDE. THE MAIN
COLD FRONT IS THEN SCHEDULED TO SETTLE SOUTHWARD ACROSS THE AREA
LATE SATURDAY BEFORE SLOWING TO OUR SOUTH SUNDAY. THE WINDS AND SEAS
OVERALL ARE EXPECTED TO REMAIN BELOW ADVISORY CRITERIA, WITH MAINLY
JUST SOME LOCAL ENHANCEMENT POSSIBLE DUE TO ANY SEA/BAY BREEZE
DEVELOPMENT ALONG WITH ANY LOCAL CONVECTION THAT IS ABLE TO OCCUR.

&&

.CLIMATE...
WILL ADD MORE DATA BETWEEN 330 AND 5 AM WED PENDING MORE MODEL
INFORMATION/CONFIRMATION.

VULNERABLE RECORDS LISTING BELOW..
JULY 4 KGED 100-1966
JULY 5 KGED 98-1949
JULY 7 KGED 97-2010

&&

.PHI WATCHES/WARNINGS/ADVISORIES...
PA...EXCESSIVE HEAT WARNING FROM 11 AM THIS MORNING TO 6 PM EDT
     THURSDAY FOR PAZ067>071.
     EXCESSIVE HEAT WATCH FROM FRIDAY AFTERNOON THROUGH SATURDAY
     EVENING FOR PAZ067>071.
NJ...HEAT ADVISORY FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS
     EVENING FOR NJZ008>010-012>014-016-020>023-025>027.
     EXCESSIVE HEAT WARNING FROM 11 AM THIS MORNING TO 6 PM EDT
     THURSDAY FOR NJZ015-017>019.
     EXCESSIVE HEAT WATCH FROM FRIDAY AFTERNOON THROUGH SATURDAY
     EVENING FOR NJZ015-017>019.
DE...HEAT ADVISORY FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS
     EVENING FOR DEZ002>004.
     EXCESSIVE HEAT WARNING FROM 11 AM THIS MORNING TO 6 PM EDT
     THURSDAY FOR DEZ001.
     EXCESSIVE HEAT WATCH FROM FRIDAY AFTERNOON THROUGH SATURDAY
     EVENING FOR DEZ001.
MD...HEAT ADVISORY FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS
     EVENING FOR MDZ008-012-015-019-020.
MARINE...NONE.

&&

SYNOPSIS...GORSE
NEAR TERM...DRAG
SHORT TERM...DRAG
LONG TERM...GORSE
AVIATION...DRAG/GORSE
MARINE...DRAG/GORSE
CLIMATE...DRAG
Hazardous weather outlook, Jul 3, 3:58 PM EDT, 11 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
358 PM EDT TUE JUL 3 2012

NJZ001-007>010-012>014-020-026-027-PAZ054-055-060>062-042000-
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-
MONROE-BERKS-LEHIGH-NORTHAMPTON-
358 PM EDT TUE JUL 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY...NORTHERN
NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST
CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS OVERNIGHT MAY BE ACCOMPANIED BY STRONG
WIND GUSTS AND HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS EARLY ON WEDNESDAY MORNING AND AGAIN ON
WEDNESDAY AFTERNOON MAY BE ACCOMPANIED BY STRONG WIND GUSTS AND
HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO GROUND
LIGHTNING.

AFTERNOON HEAT INDEX VALUES MAY APPROACH 100 ON WEDNESDAY,
THURSDAY AND SATURDAY, EXCEPT IN THE ELEVATED TERRAIN. AFTERNOON
HEAT INDEX VALUES SHOULD BE WELL INTO THE 90S ON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ001-NJZ015-017>019-PAZ067>071-042000-
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER-
MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
358 PM EDT TUE JUL 3 2012

...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 6 PM EDT
THURSDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...CENTRAL
NEW JERSEY...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS OVERNIGHT MAY BE ACCOMPANIED BY STRONG
WIND GUSTS AND HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   EXCESSIVE HEAT WARNING.

SCATTERED THUNDERSTORMS EARLY ON WEDNESDAY MORNING AND AGAIN ON
WEDNESDAY AFTERNOON MAY BE ACCOMPANIED BY STRONG WIND GUSTS AND
HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO GROUND
LIGHTNING.

AFTERNOON HEAT INDEX VALUES MAY APPROACH 100 ON FRIDAY AND 100 TO
105 ON SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ002>004-MDZ008-012-015-019-020-NJZ016-021>025-042000-
KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-SALEM-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
358 PM EDT TUE JUL 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...NORTHEAST MARYLAND AND SOUTHERN NEW JERSEY.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS OVERNIGHT MAY BE ACCOMPANIED BY STRONG
WIND GUSTS AND HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS EARLY ON WEDNESDAY MORNING AND AGAIN ON
WEDNESDAY AFTERNOON MAY BE ACCOMPANIED BY STRONG WIND GUSTS AND
HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO GROUND
LIGHTNING.

AFTERNOON HEAT INDEX VALUES MAY APPROACH 100 TO 105 ON WEDNESDAY,
THURSDAY, FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ430-431-450>455-042000-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
358 PM EDT TUE JUL 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS OVERNIGHT MAY BE ACCOMPANIED BY STRONG
WIND GUSTS AND HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO
SURFACE LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS EARLY ON WEDNESDAY MORNING AND AGAIN ON
WEDNESDAY AFTERNOON MAY BE ACCOMPANIED BY STRONG WIND GUSTS AND
HAIL ALONG WITH HEAVY RAIN AND DANGEROUS CLOUD TO SURFACE
LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 3:39 AM EDTHeat AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Hunterdon, Middlesex and 5 more15 hr
Jul 4, 6:37 AM EDTSpecial Weather StatementPHIMonmouth, Ocean38 min
Jul 4, 7:09 AM EDTSpecial Marine WarningPHI66 min
Jul 4, 3:52 PM EDTCoastal Flood StatementPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more8 hr
Jul 4, 6:29 PM EDTSpecial Weather StatementPHIMonroe61 min
Jul 4, 7:12 PM EDTSpecial Weather StatementPHIMonroe63 min
Jul 4, 6:33 PM EDTHeat AdvisoryPHIKent, Sussex25 hr

Nearby

Excessive Heat Watches in New Jersey, 2012Excessive Heat Watches in Pennsylvania, 2012Excessive Heat Watches in Delaware, 2012Every excessive heat watch in 2012

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.