Alert archive / New Jersey / Heat Advisories in 2013

Heat Advisory 3, NWS Philadelphia/Mount Holly

July 14, 20135 counties in New Jersey; 5 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this heat advisory at Jul 14, 2013, 3:38 PM EDT for 5 counties in New Jersey; 5 counties in Pennsylvania. It took effect at Jul 15, 2013, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 2013, 3:38 PM EDT (19:38 UTC)
In effect from
Jul 15, 2013, 12:00 PM EDT
Expired
Jul 15, 2013, 8:00 PM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Montgomery County, PA

The radar

The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 19:40 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 12:00Z, 7.6 hours before the alert went out and 190 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 12:00Z on 2013-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 991 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, Brookhaven, NY at 12:00Z on 2013-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
991 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
47 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.

146 
WWUS71 KPHI 141938
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT SUN JUL 14 2013

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-150800-
/O.CAN.KPHI.EH.A.0003.130717T0000Z-130718T0000Z/
/O.EXT.KPHI.EH.W.0002.130715T1600Z-130718T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNET SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
338 PM EDT SUN JUL 14 2013

...EXCESSIVE HEAT WARNING NOW IN EFFECT FROM NOON MONDAY TO 8 PM
EDT WEDNESDAY...
...EXCESSIVE HEAT WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS UPGRADED
THE EXCESSIVE HEAT WATCH FOR TUESDAY NIGHT AND WEDNESDAY TO A
WARNING.

* HEAT INDEX VALUES...100 DEGREES MONDAY AND TUESDAY AFTERNOONS,
  THEN 100 TO 105 DEGREES WEDNESDAY AFTERNOON. THE HUMIDITY
  HOWEVER MAY LOWER SOME TUESDAY AFTERNOON, WHICH WOULD RESULT IN
  REDUCED HEAT INDICES.

* TEMPERATURES...HIGHS AROUND 95 DEGREES EACH AFTERNOON. HOWEVER
  IN THE HIGHLY URBANIZED AREAS, SUCH AS CENTER CITY PHILADELPHIA,
  TEMPERATURES AT NIGHT MAY NOT DROP BELOW 80 DEGREES.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM AND
  6 PM MONDAY THROUGH WEDNESDAY.

* IMPACTS...THE EXCESSIVE HEAT WILL CREATE HAZARDOUS CONDITIONS,
  ESPECIALLY FOR THOSE WORKING IN THE SUN, OR LIVING IN NON AIR
  CONDITIONED HOMES. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN
  AND ALSO ADULTS OVER 50. LEAVING ANYONE, INCLUDING PETS AND
  CHILDREN, IN NON AIR CONDITIONED CARS DURING THE DAY IS
  VERY DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THIS EXCESSIVE HEAT IS EXPECTED TO CONTINUE UNABATED
  THROUGH FRIDAY OR POSSIBLY SATURDAY. THE HIGHEST HEAT INDICES,
  AROUND 105 DEGREES, SHOULD OCCUR ON WEDNESDAY AND THURSDAY.

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.

&&

$$

NJZ008-010-012-013-150800-
/O.NEW.KPHI.HT.Y.0003.130715T1600Z-130716T0000Z/
MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
338 PM EDT SUN JUL 14 2013

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY, WHICH IS IN EFFECT FROM NOON TO 8 PM EDT MONDAY.

* HEAT INDEX VALUES...100 DEGREES.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM AND
  6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN, FATIGUE.
  SUNSTROKE, MUSCLE CRAMPS, AND/OR HEAT EXHAUSTION IS POSSIBLE.
  THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND ALSO ADULTS
  OVER 50. LEAVING ANYONE, INCLUDING PETS AND CHILDREN, IN NON AIR
  CONDITIONED CARS DURING THE DAY IS DANGEROUS AND QUICKLY CAN
  BECOME FATAL.

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.

&&

$$

GORSE
4 follow-up statements
818 
WWUS71 KPHI 142146
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
546 PM EDT SUN JUL 14 2013

...AN EXTENDED PERIOD OF HOT AND HUMID CONDITIONS THIS WEEK...

.HIGH PRESSURE CENTERED NEAR THE DELMARVA WILL BUILD WESTWARD
INTO THE OHIO VALLEY LATE MONDAY THROUGH MUCH OF THIS WEEK. A HOT
AIRMASS ASSOCIATED WITH THIS HIGH WILL THEREFORE DOMINATE OUR
WEATHER. IN ADDITION, HUMID CONDITIONS ARE EXPECTED TO PREVAIL
THROUGH MUCH OF THE WEEK.

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-150830-
/O.CON.KPHI.EH.W.0002.130715T1600Z-130718T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNET SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
546 PM EDT SUN JUL 14 2013

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON MONDAY TO
8 PM EDT WEDNESDAY...

* HEAT INDEX VALUES...100 DEGREES MONDAY AND TUESDAY AFTERNOONS,
  THEN 100 TO 105 DEGREES WEDNESDAY AFTERNOON. THE HUMIDITY
  HOWEVER MAY LOWER SOME TUESDAY AFTERNOON, WHICH WOULD RESULT IN
  REDUCED HEAT INDICES.

* TEMPERATURES...HIGHS AROUND 95 DEGREES EACH AFTERNOON WITH LOWS
  IN THE 70S AT NIGHT. HOWEVER IN THE HIGHLY URBANIZED AREAS, SUCH AS
  CENTER CITY PHILADELPHIA, TEMPERATURES AT NIGHT MAY NOT DROP
  BELOW 80 DEGREES.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM AND
  6 PM MONDAY THROUGH WEDNESDAY.

* IMPACTS...THE EXCESSIVE HEAT WILL CREATE DANGEROUS CONDITIONS,
  ESPECIALLY FOR THOSE WORKING IN THE SUN, OR LIVING IN NON AIR
  CONDITIONED HOMES. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN
  AND ALSO ADULTS OVER 50. LEAVING ANYONE, INCLUDING PETS AND
  CHILDREN, IN NON AIR CONDITIONED CARS DURING THE DAY IS VERY
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THIS EXCESSIVE HEAT IS EXPECTED TO CONTINUE UNABATED
  THROUGH FRIDAY OR POSSIBLY SATURDAY. THE HIGHEST HEAT INDICES,
  AROUND 105 DEGREES, SHOULD OCCUR ON WEDNESDAY AND THURSDAY.

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.

&&

$$

NJZ008-010-012-013-150830-
/O.CON.KPHI.HT.Y.0003.130715T1600Z-130716T0000Z/
MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
546 PM EDT SUN JUL 14 2013

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM EDT MONDAY...

* HEAT INDEX VALUES...100 DEGREES.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM 
  AND 6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN, FATIGUE.
  SUNSTROKE, MUSCLE CRAMPS, AND/OR HEAT EXHAUSTION IS POSSIBLE.
  THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND ALSO ADULTS
  OVER 50. LEAVING ANYONE, INCLUDING PETS AND CHILDREN, IN NON AIR
  CONDITIONED CARS DURING THE DAY IS DANGEROUS AND QUICKLY CAN
  BECOME FATAL.

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.

&&

$$

GORSE
560 
WWUS71 KPHI 150746
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
346 AM EDT MON JUL 15 2013

...A 6 TO 7 DAY MID SUMMER HEAT WAVE WILL CONTINUE THROUGH FRIDAY
OR SATURDAY...

.NEARLY STATIONARY HIGH PRESSURE TO OUR SOUTH WILL PRODUCE HOT DAYS
AND MANY MUGGY NIGHTS THIS WEEK.

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-152015-
/O.CON.KPHI.EH.W.0002.130715T1600Z-130718T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNET SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
346 AM EDT MON JUL 15 2013

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO
8 PM EDT WEDNESDAY...

* HEAT INDEX VALUES...GENERALLY 100 TO 103 DEGREES THIS AFTERNOON
  AND WEDNESDAY AFTERNOON. HEAT INDEX VALUES MAY EASE BACK SLIGHTLY
  TO JUST NEAR 100 TUESDAY AFTERNOON WHEN THE DEWPOINTS AND
  RELATIVE HUMIDITY LOWER SLIGHTLY.

* TEMPERATURES...DAILY HIGHS IN THE MID 90S.

* TIMING...THE HIGHEST HEAT INDICES WILL OCCUR BETWEEN 1 PM AND 6
  PM MONDAY THROUGH WEDNESDAY.

* IMPACTS...THE EXCESSIVE HEAT WILL CREATE DANGEROUS CONDITIONS...
  ESPECIALLY FOR THOSE WORKING IN THE SUN... OR LIVING IN NON AIR
  CONDITIONED HOMES. THE MOST ADVERSELY AFFECTED ARE YOUNG
  CHILDREN AND ADULTS OVER 50. LEAVING ANYONE... INCLUDING PETS
  AND CHILDREN... IN NON AIR CONDITIONED CARS DURING THE DAY IS
  VERY DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THIS EXCESSIVE HEAT IS EXPECTED TO WORSEN THURSDAY AND
  FRIDAY WITH THE HEAT WAVE PROBABLY LINGERING INTO SATURDAY. THE
  HIGHEST HEAT INDICES... OF AROUND 105 DEGREES... SHOULD OCCUR
  THURSDAY AND FRIDAY AFTERNOONS. LOW TEMPERATURES IN THE URBAN
  CENTERS INCLUDING PHILADELPHIA WEDNESDAY NIGHT THROUGH FRIDAY
  NIGHT...SHOULD BE CLOSE TO 80 DEGREES. RELIEF IN THE FORM OF
  SIGNIFICANTLY COOLER TEMPERATURES IS EXPECTED TO ARRIVE SUNDAY.

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.

&&

$$

NJZ009-PAZ060-061-101-103-105-152015-
/O.EXA.KPHI.HT.Y.0003.130715T1600Z-130716T0000Z/
HUNTERDON-BERKS-LEHIGH-WESTERN CHESTER-WESTERN MONTGOMERY-
UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
346 AM EDT MON JUL 15 2013

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

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

* HEAT INDEX VALUES...UP TO 100 DUE TO TEMPERATURES IN THE LOWER 
  90S...AND DEWPOINTS IN THE UPPER 60S.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM 
  AND 6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN... 
  FATIGUE. SUNSTROKE... MUSCLE CRAMPS... AND/OR HEAT EXHAUSTION 
  IS POSSIBLE. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND 
  ALSO ADULTS OVER 50. LEAVING ANYONE... INCLUDING PETS AND 
  CHILDREN... IN NON AIR CONDITIONED CARS DURING THE DAY IS 
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THE WORST OF THIS 6 TO 7 DAY HEAT WAVE WILL PROBABLY
  OCCUR THURSDAY AND FRIDAY WHEN THE HEAT INDEX IS BETWEEN 100 AND
  105 DEGREES. COOLER WEATHER SHOULD ARRIVE SUNDAY.

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.

&&

$$

NJZ008-010-012-013-152015-
/O.CON.KPHI.HT.Y.0003.130715T1600Z-130716T0000Z/
MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
346 AM EDT MON JUL 15 2013

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING...

* HEAT INDEX VALUES...UP TO 102 DUE TO TEMPERATURES IN THE LOWER 
  90S...AND DEWPOINTS AROUND 70.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM 
  AND 6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN... 
  FATIGUE. SUNSTROKE... MUSCLE CRAMPS... AND/OR HEAT EXHAUSTION 
  IS POSSIBLE. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND 
  ALSO ADULTS OVER 50. LEAVING ANYONE... INCLUDING PETS AND 
  CHILDREN... IN NON AIR CONDITIONED CARS DURING THE DAY IS 
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THE WORST OF THIS 6 TO 7 DAY HEAT WAVE WILL PROBABLY
  OCCUR THURSDAY AND FRIDAY WHEN THE HEAT INDEX IS BETWEEN 100 AND
  105 DEGREES. COOLER WEATHER SHOULD ARRIVE SUNDAY. 

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.

&&

$$
481 
WWUS71 KPHI 151848
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
248 PM EDT MON JUL 15 2013

...A 6 TO 7 DAY MID SUMMER HEAT WAVE WILL CONTINUE THROUGH FRIDAY
OR SATURDAY...

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-160300-
/O.EXT.KPHI.EH.W.0002.000000T0000Z-130720T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNET SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
248 PM EDT MON JUL 15 2013

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

* HEAT INDEX VALUES...GENERALLY 100 TO 103 DEGREES THIS AFTERNOON
  AND WEDNESDAY AFTERNOON. HEAT INDEX VALUES MAY EASE BACK
  SLIGHTLY TO JUST NEAR 100 TUESDAY AFTERNOON WHEN THE DEWPOINTS
  AND RELATIVE HUMIDITY LOWER SLIGHTLY. HOWEVER, HEAT INDEX VALUES
  ARE EXPECTED TO INCREASE BACK TO NEAR 105 DEGREES BY THURSDAY
  AND FRIDAY AFTERNOON.

* TEMPERATURES...DAILY HIGHS IN THE MID TO UPPER 90S. OVERNIGHT
  LOWS FOR URBAN AREAS WILL LIKELY NOT DROP BELOW THE MID TO
  UPPER 70S FOR MUCH OF THE WEEK.

* TIMING...THE HIGHEST HEAT INDICES WILL OCCUR BETWEEN 1 PM AND 6
  PM EACH DAY FROM TODAY THROUGH FRIDAY.

* IMPACTS...THE EXCESSIVE HEAT WILL CREATE DANGEROUS 
  CONDITIONS... ESPECIALLY FOR THOSE WORKING IN THE SUN... OR 
  LIVING IN NON AIR CONDITIONED HOMES. THE MOST ADVERSELY 
  AFFECTED ARE YOUNG CHILDREN AND ADULTS OVER 50. LEAVING 
  ANYONE... INCLUDING PETS AND CHILDREN... IN NON AIR 
  CONDITIONED CARS DURING THE DAY IS VERY DANGEROUS AND QUICKLY 
  CAN BECOME FATAL.

* OUTLOOK...THIS EXCESSIVE HEAT MAY LINGER INTO SATURDAY. RELIEF
  IN THE FORM OF COOLER TEMPERATURES IS EXPECTED TO ARRIVE
  SUNDAY.

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.

&&

$$

NJZ008-010-012-013-160000-
/O.CON.KPHI.HT.Y.0003.000000T0000Z-130716T0000Z/
MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
248 PM EDT MON JUL 15 2013

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

* HEAT INDEX VALUES...UP TO 103 DUE TO TEMPERATURES IN THE LOWER 
  90S...AND DEWPOINTS AROUND 70.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM 
  AND 6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN... 
  FATIGUE. SUNSTROKE... MUSCLE CRAMPS... AND/OR HEAT EXHAUSTION 
  IS POSSIBLE. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND 
  ALSO ADULTS OVER 50. LEAVING ANYONE... INCLUDING PETS AND 
  CHILDREN... IN NON AIR CONDITIONED CARS DURING THE DAY IS 
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THE WORST OF THIS 6 TO 7 DAY HEAT WAVE WILL PROBABLY 
  OCCUR THURSDAY AND FRIDAY WHEN THE HEAT INDEX IS BETWEEN 100 
  AND 105 DEGREES. COOLER WEATHER SHOULD ARRIVE SUNDAY.

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.

&&

$$

NJZ009-PAZ060-061-101-103-105-160000-
/O.CON.KPHI.HT.Y.0003.000000T0000Z-130716T0000Z/
HUNTERDON-BERKS-LEHIGH-WESTERN CHESTER-WESTERN MONTGOMERY-
UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
248 PM EDT MON JUL 15 2013

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

* HEAT INDEX VALUES...UP TO 101 DUE TO TEMPERATURES IN THE LOWER 
  90S...AND DEWPOINTS IN THE UPPER 60S.

* TIMING...THE HIGHEST HEAT INDICES SHOULD OCCUR BETWEEN 2 PM 
  AND 6 PM.

* IMPACTS...INITIALLY IF NO PROTECTIVE ACTION IS TAKEN... 
  FATIGUE. SUNSTROKE... MUSCLE CRAMPS... AND/OR HEAT EXHAUSTION 
  IS POSSIBLE. THE MOST STRONGLY AFFECTED ARE YOUNG CHILDREN AND 
  ALSO ADULTS OVER 50. LEAVING ANYONE... INCLUDING PETS AND 
  CHILDREN... IN NON AIR CONDITIONED CARS DURING THE DAY IS 
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THE WORST OF THIS 6 TO 7 DAY HEAT WAVE WILL PROBABLY 
  OCCUR THURSDAY AND FRIDAY WHEN THE HEAT INDEX IS BETWEEN 100 
  AND 105 DEGREES. COOLER WEATHER SHOULD ARRIVE SUNDAY.

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.

&&

$$
254 
WWUS71 KPHI 160000
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
800 PM EDT MON JUL 15 2013

...A PROLONGED MID SUMMER HEAT WAVE THROUGH FRIDAY OR SATURDAY...

.AN OPPRESSIVE HIGH PRESSURE SYSTEM FROM THE MID ATLANTIC TO THE
OHIO VALLEY IS EXPECTED TO REMAIN NEARLY STATIONARY THROUGH
FRIDAY. THIS WILL RESULT IN A CONTINUATION OF VERY HOT AND HUMID
CONDITIONS.

NJZ008-010-012-013-160100-
/O.EXP.KPHI.HT.Y.0003.000000T0000Z-130716T0000Z/
MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
800 PM EDT MON JUL 15 2013

...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE TEMPERATURES WILL CONTINUE TO LOWER ALLOWING THE HEAT INDICES
TO DROP BACK, THEREFORE THE HEAT ADVISORY WILL BE ALLOWED TO
EXPIRE.

$$

NJZ009-PAZ060-061-101-103-105-160100-
/O.EXP.KPHI.HT.Y.0003.000000T0000Z-130716T0000Z/
HUNTERDON-BERKS-LEHIGH-WESTERN CHESTER-WESTERN MONTGOMERY-
UPPER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...READING...ALLENTOWN...
HONEY BROOK...OXFORD...COLLEGEVILLE...POTTSTOWN...CHALFONT...
PERKASIE
800 PM EDT MON JUL 15 2013

...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE TEMPERATURES WILL CONTINUE TO LOWER ALLOWING THE HEAT INDICES
TO DROP BACK, THEREFORE THE HEAT ADVISORY WILL BE ALLOWED TO
EXPIRE.

$$

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-160830-
/O.CON.KPHI.EH.W.0002.000000T0000Z-130720T0000Z/
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO...
CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...
PHILADELPHIA...WEST CHESTER...KENNET SQUARE...NORRISTOWN...
LANSDALE...MORRISVILLE...DOYLESTOWN
800 PM EDT MON JUL 15 2013

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT
FRIDAY...

* HEAT INDEX VALUES...GENERALLY 100 TO 105 DEGREES. HEAT INDEX
  VALUES MAY EASE BACK TO JUST NEAR 100 TUESDAY AFTERNOON WHEN THE
  DEWPOINTS AND RELATIVE HUMIDITY LOWER SLIGHTLY. HOWEVER, HEAT
  INDEX VALUES ARE EXPECTED TO INCREASE BACK TO AROUND 105 DEGREES
  THURSDAY AND FRIDAY AFTERNOON.

* TEMPERATURES...DAILY HIGHS IN THE MID TO UPPER 90S. OVERNIGHT
  LOWS FOR URBAN AREAS WILL NOT DROP BELOW THE MID TO UPPER 70S
  FOR MUCH OF THE WEEK. FOR THE HIGHLY URBANIZED AREAS, SUCH AS
  CENTER CITY PHILADELPHIA, LOWS MAY NOT DROP BELOW 80 DEGREES.

* TIMING...THE HIGHEST HEAT INDICES WILL OCCUR BETWEEN 1 PM AND 6 PM
  EACH DAY THROUGH FRIDAY.

* IMPACTS...THE EXCESSIVE HEAT WILL CREATE DANGEROUS CONDITIONS,
  ESPECIALLY FOR THOSE WORKING IN THE SUN, OR LIVING IN NON AIR
  CONDITIONED HOMES. THE MOST ADVERSELY AFFECTED ARE YOUNG
  CHILDREN AND ADULTS OVER 50. LEAVING ANYONE, INCLUDING PETS AND
  CHILDREN, IN NON AIR CONDITIONED CARS DURING THE DAY IS VERY
  DANGEROUS AND QUICKLY CAN BECOME FATAL.

* OUTLOOK...THIS EXCESSIVE HEAT MAY LINGER INTO SATURDAY. RELIEF
  IN THE FORM OF SHOWERS AND THUNDERSTORMS IS EXPECTED LATER
  SATURDAY AND THEN COOLER TEMPERATURES ARRIVE SUNDAY.

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.

&&

$$

GORSE

What forecasters said that day

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

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this heat advisory went out at Jul 14, 9:20 AM EDT, 6 hours 18 minutes earlier.

Area forecast discussion, Jul 14, 9:20 AM EDT, 6 hours 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
920 AM EDT SUN JUL 14 2013

.SYNOPSIS...
HIGH PRESSURE ACROSS THE WESTERN ATLANTIC OCEAN WILL SPREAD INLAND
OVER THE NEXT FEW DAYS AND BECOME CENTERED OVER THE OHIO VALLEY. A
HOT AND MUGGY AIRMASS WILL BE IN PLACE THROUGH THE END OF THE WEEK,
WITH A FRONTAL BOUNDARY FROM THE NORTHWEST POSSIBLY ARRIVING NEXT
WEEKEND.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

TODAY...**SIX TO 7 DAY HEAT WAVE BEGINS**

VSBYS HAVE NOW IMPROVED TO P6SM AT MOST REPORTING STATIONS...ON
TRACK WITH PREVIOUS FCST. MAIN STORY TODAY WILL BE INCREASING HEAT
AND HUMIDITY...ALONG WITH POSSIBLE SHOWERS/THUNDERSTORMS
ESPECIALLY IN THE FAR NORTHERN PORTIONS OF OUR FORECAST AREA.

850 18Z TEMP OF NEAR 17C IS CONVERTED TO A MODELED FCST OF 90-93F
HIGH TEMP THIS AFTN TO WITHIN A MILE OR TWO OF THE COASTS PER THE
WARMER OF THE 00Z/14 GFS/NAM MOS. ALSO USED THE SLIGHTLY WETTER
00Z/14 GFS MAVMOS FOR THE DEWPOINTS. THE RESULT IS MAX HEAT INDEX OF
AROUND 97F I95 CORRIDOR-KPHL...100F AT KACY AND 101F AT KESN.

WE HAVE SPOT HEAT INDEX VALUES OF 100F IN BURLINGTON/OCEAN AND
WESTERN MONMOUTH COUNTIES OF NJ THIS AFTERNOON. ATTM...NO HEAT ADVY
THERE SINCE ITS MARGINAL...MAYBE ONLY AN HOUR AND BASED ON USE OF
THE WARMER 00Z/14 GUIDANCE TEMPS AND DEWPOINTS. ANY OVERFORECAST
OF THE TEMP OR DEWPOINT WOULD REDUCE THE MAX HI TO 99. THE 00Z/14
OP ECMWF NCEP MOS PROGRAM OFFERS ONLY 89F TO PHL BUT THE 00Z/14
ECMWF 2M TEMP FOR PHL IS 86. USUALLY ITS SAFE TO ADD 5F IN P TO M/S
CONTINENTAL WIND SITUATIONS.

SO...NO HEAT ADVY TODAY AND IF ANYTHING THE FCST TEMPS ARE A
DEGREE HIGH.

HIGH TEMPS FROM THE POCONOS TO SUSSEX COUNTY NJ 84-89F...CERTAINLY
WARMER THAN YDY BUT AGAIN...NEED TO CLEAR OUT ALL THE LOW CLOUD
COVER THERE WHICH WILL TAKE UNTIL LATE MORNING OR EARLY AFTN.

EVENTUALLY MORE SUNSHINE TODAY THAN YDY AS THE THE KI AND PWAT IS
LOWER...THE BAND OF 2" PWAT AND ASSOCIATED HIGHER KI HAVING LIFTED
JUST NORTH AND NORTHEAST OF OUR AREA...TO NEAR LI NWWD INTO SRN
NYS. THAT BECOMES THE AXIS OF ANY AFTN CONVECTION BENEATH THE
SUPPRESSING ANOMALOUSLY STRONG 5H RIDGE OF NEARLY 600
DECAMETERS..AT LEAST 2SD ABOVE NORMAL!

THE MID LVL ANOMALY HAS NOT YET CONVERTED TO A 2SD 850 WARM ANOMALY
THOUGH IT MIGHT EVENTUALLY. FOR NOW...850 IS AT LEAST 1SD ABOVE
NORMAL.

AN ISOLATED LATE AFTN TSTM IS POSSIBLE FOR THE NW TIP OF NJ..SUSSEX
COUNTY..OTRW THE KI LOOKS TOO DRY TO SUPPORT SHOWERS IN THE REMAINDER
OF OUR FORECAST AREA THIS AFTN.  THE 00Z/14 ECMWF HAS A LITTLE MORE
IN THE WAY OF SHOWERS INTO E PA TODAY BUT ATTM... RELYING ON COMBINED
NCEP GUIDANCE AND BOTH EC/GFS KI VALUES WHICH ARE DRIER AND LESS
SUPPORTIVE OF ANY RAIN TODAY EXPECT POSSIBLY FAR NNJ.

WIND MAINLY WSW G10-15 KT THIS AFTN.

THE 330 AM FCST USED A 50 50 BLEND OF 00Z/14 GFS/NAM MOS FOR WINDS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 AM MONDAY/...
STILL A SMALL CHANCE OF A TSTM THRU 11PM FOR SUSSEX COUNTY NJ ON
THE SRN EDGE OF WNW ESE AXIS OF 34C KI. OTRW...SINCE ITS A MUCH
WARMER START TO THE NIGHT...LESS CHANCE FOR STRATUS AND DENSE FOG
AS WE GO INTO FULL SUMMER MODE. SO SOME PATCHY THICK FOG LATE BUT
PROBABLY NOT AS WIDESPREAD. MOSTLY CLEAR TO PARTLY CLOUDY HAZY SKIES
WITH LIGHT SW WIND. AGAIN 50 50 BLENDED 00Z/14 GFS NAM MOS FOR WINDS
AND GENERALLY THE WARMER OF THESE TWO GUIDANCE PRODUCTS FOR
TEMPS/DEWS.

THE WESTERLY BOUNDARY LAYER WIND AHEAD OF A SWD SINKING TROUGH MAY KEEP
THE MIN TEMP UP AT ABOUT 78F TONIGHT FOR PHL AND THE URBAN CENTERS.
HAVE RAISED THE 00Z/14 MIN TEMP GUIDANCE SLIGHTLY AT KPHL.

&&

.LONG TERM /MONDAY THROUGH SATURDAY/...
AN EXTENDED PERIOD OF HOT AND HUMID WEATHER IS IN STORE FOR OUR
REGION THROUGH THE UPCOMING WORK WEEK AS HIGH PRESSURE BOTH AT THE
SURFACE AND ALOFT BUILDS INLAND ACROSS THE EASTERN UNITED STATES
FROM THE WESTERN ATLANTIC. A MID LEVEL HIGH IS FORECAST TO BECOME
CENTERED OVER THE OHIO VALLEY REGION THROUGH MID-WEEK, BEFORE
EVENTUALLY DRIFTING SOUTH BY THE END OF THE WEEK. BY FRIDAY, A
NORTHWEST MID-LEVEL FLOW BECOMES MORE PRONOUNCED INTO THE MID
ATLANTIC STATES, AND THIS MAY SEND A SURFACE TROUGH INTO OUR REGION.
THIS COULD HELP TO BE A FOCUS FOR SCATTERED SHWR/TSTORM ACTIVITY,
ESPECIALLY THROUGH OUR NORTHERN ZONES. BY NEXT WEEKEND, INTO
SATURDAY, MODEL GUIDANCE SHOWS A FRONTAL BOUNDARY APPROACHING THE
REGION FROM THE NORTHWEST, BUT THERE ARE TIMING DIFFERENCES WITH
REGARDS TO THIS POTENTIAL FRONTAL PASSAGE. AS A RESULT, WE HAVE NOT
MADE MANY CHANGES TO THE END OF THE LONG TERM, KEEPING CHANCE TO
SLIGHT CHANCE POPS FOR SCATTERED SHWRS/TSTORMS IN PLACE FOR
SATURDAY.

WITH REGARDS TO CONVECTION DURING THE EARLY TO MIDDLE OF THIS WEEK,
ISOLATED TO SCATTERED SHWRS/TSTORMS ARE EXPECTED AT BEST. THE BEST
CHANCE MAY BE ON MONDAY AS THE MODELS SHOW A SURFACE TROUGH TO OUR
NORTH SETTLING INTO OUR REGION BY MONDAY AFTERNOON. WE WILL KEEP LOW
CHANCE POPS FOR SCATTERED TSTORMS IN THE FORECAST ATTM AS THE
BUILDING MID-LEVEL RIDGE/HIGH WILL BE PROVIDING MORE SUBSIDENCE
ACROSS THE REGION. IN FACT, FOR THE MID-WEEK PERIOD, WE ONLY CARRY
SLIGHT CHANCE POPS FOR ISOLATED CONVECTION, AS MOST AREAS WILL
REMAIN PRECIP-FREE, WITH THE SURFACE AND MID-LEVEL HIGH IN PLACE
ACROSS THE REGION.

WITH THIS FORECAST PACKAGE, WE HAVE CONVERTED THE EXCESSIVE HEAT
WATCH TO AN EXCESSIVE HEAT WARNING FOR MONDAY AND TUESDAY FOR THE
HIGHLY URBANIZED AREAS IN AND AROUND PHILADELPHIA. TEMPERATURES BOTH
DAYS ARE EXPECTED TO PEAK IN THE MIDDLE 90S, AND MODEL GUIDANCE
INDICATES DEWPOINTS MOSTLY IN THE LOWER 70S. THIS WILL YIELD
AFTERNOON AND EARLY EVENING HEAT INDEX VALUES AROUND 100 DEGREES.
THIS TREND IS EXPECTED TO CONTINUE THROUGH MID-WEEK, AND WE ALSO
DECIDED TO PUT UP AN EXCESSIVE HEAT WATCH FOR THE PHL METRO/I-95
CORRIDOR AREA FOR WEDNESDAY. WITH FUTURE UPDATES, HEAT HEADLINES MAY
ALSO NEED TO BE CONSIDERED FOR SURROUNDING LOCATIONS IN OUR FORECAST
AREA, AS WEDNESDAY AND THURSDAY LOOK TO BE HOTTEST DAYS WITH HEAT
INDEX VALUES NEAR OR ABOVE 100 FOR MUCH OF THE FORECAST AREA, EXCEPT
THROUGH THE HIGHER TERRAIN LOCATIONS AND ALONG THE COAST.

&&

.AVIATION /13Z SUNDAY THROUGH THURSDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.

TODAY...VFR SCT TO BRIEFLY BKN CIGS NEAR 4000 FT. W-SW WIND G
10-15 KT THIS AFTN.

TONIGHT...VFR MAY BECOME MVFR FOG LATE. LIGHT SW WIND. THE 21Z/13
SREF PROBS FOR IFR CONDS TONIGHT ARE FAR FAR LESS THAN THE PROBS
FOR EARLY THIS SUNDAY MORNING. A CAVEAT...SREF DOES NOT CAPTURE
SHALLOW DENSE FOG.

OUTLOOK...
MONDAY...MAINLY VFR CONDITIONS EXPECTED; ALTHOUGH, EARLY AM VSBY
RESTRICTIONS POSSIBLE IN FOG/HAZE. ALSO, ISOLATED TO SCATTERED
SHWRS/TSTORMS DURING AFTN COULD PRODUCE LOCAL MVFR OR LOWER
CONDITIONS.

TUESDAY THROUGH THURSDAY...MAINLY VFR CONDITIONS. EARLY AM SUB-VFR
VSBYS POSSIBLE IN FOG/HAZE.

&&

.MARINE...
NO SCA HEADLINES THROUGH TONIGHT.

NOTING A 4 FT SE SWELL VCNTY 44009 ATTM WHICH IS A BIT HIGHER THAN
MODELED. 00Z/14 GFS WW3 GUIDANCE SUGGESTS THIS SHOULD DECAY TO 2 OR
3 FT BY MIDDAY.

GENERALLY A SW WIND WITH G UNDER 20 KT THRU TONIGHT.

OUTLOOK...
FROM MONDAY THROUGH THE MID-WEEK PERIOD, SUB-SCA CONDITIONS ARE
EXPECTED FOR OUR COASTAL WATERS AND DELAWARE BAY, AS AN AREA OF HIGH
PRESSURE SETTLES ACROSS THE REGION. FOR MONDAY AFTERNOON, ISOLATED
SHWRS/TSTORMS ARE POSSIBLE, WHICH COULD CAUSE REDUCED VISIBILITIES
AND LOCALLY GUSTY WINDS.

&&

.RIP CURRENTS...
IT APPEARS WE HAVE A WEEK OF MOSTLY LOW RISK FOR THE FORMATION OF
DANGEROUS RIP CURRENTS (THROUGH AT LEAST FRIDAY) AS THERE ARE NO
TROPICAL SYSTEMS IN THE ATLC BASIN TO SEND LONGER PERIOD SWELLS.
WINDS WILL BE LIGHT...GENERALLY AT MOST BRIEFLY 15 KTS IN THE
AFTNS AND SEA BREEZES ARE NOT A GUARANTEE BUT LIKELY FOR A FEW
HOURS EACH AFTN.

THE STANDARD REMINDER... LOW RISK DOES NOT MEAN NO RISK!! SWIM IN
THE PRESENCE OF LIFEGUARDS FOR GREATEST SAFETY!

USED 2-3FT 8SEC PERIOD AND ONSHORE WIND OF 12 KT TO DETERMINE THE
RISK FOR THE ENTIRE WEEK.

WATER TEMPERATURES ARE FINALLY INCREASING A BIT MAKING IT MORE
FAVORABLE TO SWIM IN OUR COASTAL WATERS.

PLAN ON NEEDING LOTS OF SUNSCREEN FOR THE NEXT 7 DAYS.

&&

.CLIMATE...
RECORD HIGHS IN PHL THIS COMING WEEK ARE 100 OR HIGHER THROUGH
FRIDAY AND THEN 99 ON SATURDAY. NO RECORDS POSTED ATTM UNTIL WE
FEEL MORE CONFIDENT OF BEING WITHIN 2F OF RECORDS ON ANY UPCOMING
DAY.

PNSPHI WAS ISSUED AROUND 520 AM FOR THE EXPECTED 6 TO 7 DAY HEAT
WAVE THAT INCLUDED NATIONAL AND LOCALIZED HEAT RELATED STATISTICS
FOR 2012.

&&

.PHI WATCHES/WARNINGS/ADVISORIES...
PA...EXCESSIVE HEAT WARNING FROM NOON MONDAY TO 8 PM EDT TUESDAY
     FOR PAZ070-071-102-104-106.
     EXCESSIVE HEAT WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
     EVENING FOR PAZ070-071-102-104-106.
NJ...EXCESSIVE HEAT WARNING FROM NOON MONDAY TO 8 PM EDT TUESDAY
     FOR NJZ015-017>019.
     EXCESSIVE HEAT WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
     EVENING FOR NJZ015-017>019.
DE...EXCESSIVE HEAT WARNING FROM NOON MONDAY TO 8 PM EDT TUESDAY
     FOR DEZ001.
     EXCESSIVE HEAT WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
     EVENING FOR DEZ001.
MD...NONE.
MARINE...NONE.

&&

SYNOPSIS...KLINE
NEAR TERM...MIKETTA
SHORT TERM...DRAG
LONG TERM...KLINE
AVIATION...MIKETTA
MARINE...DRAG/KLINE
RIP CURRENTS...DRAG
CLIMATE...DRAG
Hazardous weather outlook, Jul 14, 4:24 AM EDT, 11 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
424 AM EDT SUN JUL 14 2013

PAZ054-055-150830-
CARBON-MONROE-
424 AM EDT SUN JUL 14 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NJZ001-007>010-012-013-020-PAZ060>062-101-103-105-150830-
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
OCEAN-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER-WESTERN MONTGOMERY-
UPPER BUCKS-
424 AM EDT SUN JUL 14 2013

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

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A PERIOD OF HOT, HUMID WEATHER IS EXPECTED FOR THIS WEEK. HEAT
INDEX VALUES NEAR 100 ARE POSSIBLE, ESPECIALLY ON WEDNESDAY AND
THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-150830-
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-
PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-
424 AM EDT SUN JUL 14 2013

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON MONDAY TO 8 PM EDT
TUESDAY...
...EXCESSIVE HEAT WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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

   EXCESSIVE HEAT WARNING.
   EXCESSIVE HEAT WATCH.

THE EXCESSIVE HEAT AND HUMIDITY ARE EXPECTED TO CONTINUE FOR THURSDAY
AND PERHAPS FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-027-150830-
KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM-
CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-
424 AM EDT SUN JUL 14 2013

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

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A PERIOD OF HOT, HUMID WEATHER IS EXPECTED FOR THIS WEEK. HEAT
INDEX VALUES OF 100 TO 105 ARE POSSIBLE, ESPECIALLY ON WEDNESDAY
AND THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ004-NJZ014-024>026-150830-
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
424 AM EDT SUN JUL 14 2013

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ430-431-450>455-150830-
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-
424 AM EDT SUN JUL 14 2013

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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 13, 8:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer114 min
Jul 14, 4:16 AM EDTExcessive Heat WatchPHIBurlington, Camden, Gloucester, Mercer11 hr
Jul 14, 4:16 AM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more7 days

Nearby

Heat Advisories in New Jersey, 2013Heat Advisories in Pennsylvania, 2013Every heat advisory in 2013

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.