Alert archive / Pennsylvania / Heat Advisories in 2012

Heat Advisory 1, NWS Philadelphia/Mount Holly

June 19, 2012Berks County, Lehigh County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this heat advisory at Jun 19, 2012, 3:32 PM EDT for Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at Jun 20, 2012, 1:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 19, 2012, 3:32 PM EDT (19:32 UTC)
In effect from
Jun 20, 2012, 1:00 PM EDT
Expired
Jun 20, 2012, 7:00 PM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Berks County, PA, Lehigh County, PA, Northampton County, PA

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.5 hours before the alert went out and 132 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-06-19Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2012-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.193958Sfc1 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
552 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
168 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.

339 
WWUS71 KPHI 191932
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 PM EDT TUE JUN 19 2012

...A PERIOD OF EARLY SEASON DANGEROUS HEAT TO IMPACT OUR REGION...

.A STRENGTHENING AREA OF HIGH PRESSURE WILL BUILD INTO OUR REGION 
WEDNESDAY AND THURSDAY, BRINGING A VERY HOT AIRMASS WITH NEAR
RECORD HIGH TEMPERATURES. THIS WILL ALSO BE ACCOMPANIED BY
INCREASING HUMIDITY LEVELS. THE COMBINATION OF THE HEAT AND
HUMIDITY WILL RESULT IN DANGEROUS CONDITIONS DURING THE AFTERNOON
AND EARLY EVENING HOURS. THE URBAN CENTERS SUCH AS CENTER CITY
PHILADELPHIA WILL TEND TO HOLD THE HEAT THROUGH THE NIGHT THAT
BUILT UP DURING THE DAY. RELIEF FROM THE HEAT WILL GRADUALLY
ARRIVE FROM THE NORTHWEST DURING FRIDAY INTO SATURDAY.

DEZ001-NJZ015-017>019-PAZ067>071-200830-
/O.CON.KPHI.EH.W.0002.120620T1700Z-120622T1000Z/
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
332 PM EDT TUE JUN 19 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM WEDNESDAY
TO 6 AM EDT FRIDAY...

* HEAT INDEX VALUES...98 TO 104 DEGREES DURING EACH AFTERNOON
  WEDNESDAY AND THURSDAY.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S EACH AFTERNOON
  WEDNESDAY AND THURSDAY. LOWS GENERALLY 70 TO 75 DEGREES, HOWEVER
  ONLY DROPPING TO NEAR 80 DEGREES IN CENTER CITY PHILADELPHIA.

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR WORK
  IN THE URBAN AREAS. THOSE WHO ARE AT A GREATER RISK INCLUDE THE
  ELDERLY, THE INFIRM AND CHILDREN.

* OUTLOOK...HEAT INDEX VALUES MAY BE IN THE UPPER 90S FOR A TIME     
  FRIDAY, THEREFORE THIS WARNING MAY NEED TO BE EXTENDED THROUGH THE 
  MID OR LATE AFTERNOON HOURS.

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.

&&

$$

PAZ060>062-200830-
/O.NEW.KPHI.HT.Y.0001.120620T1700Z-120620T2300Z/
/O.NEW.KPHI.HT.Y.0002.120621T1700Z-120621T2300Z/
BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...READING...ALLENTOWN...BETHLEHEM...
EASTON
332 PM EDT TUE JUN 19 2012

...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM EDT WEDNESDAY...
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY, WHICH IS IN EFFECT FROM 1 PM TO 7 PM EDT WEDNESDAY. A
HEAT ADVISORY HAS ALSO BEEN ISSUED FROM 1 PM TO 7 PM EDT THURSDAY.

* HEAT INDEX VALUES...98 TO 102 DEGREES DURING EACH AFTERNOON
  WEDNESDAY AND THURSDAY.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S EACH AFTERNOON
  WEDNESDAY AND THURSDAY. LOWS WILL BE NEAR 70 DEGREES.

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR WORK
  IN THE MORE URBAN AREAS. THOSE WHO ARE AT A GREATER RISK
  INCLUDE THE ELDERLY, THE INFIRM AND CHILDREN.

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.

&&

$$

NJZ007>010-012-013-016-020>023-027-200830-
/O.NEW.KPHI.HT.Y.0002.120621T1700Z-120621T2300Z/
WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-SALEM-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST
332 PM EDT TUE JUN 19 2012

...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM EDT THURSDAY...

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

* HEAT INDEX VALUES...SHOULD REMAIN JUST BELOW 100 DEGREES
  WEDNESDAY AFTERNOON, HOWEVER TOP OUT BETWEEN 100 AND 105 DEGREES
  THURSDAY AFTERNOON.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S THURSDAY AFTERNOON. 

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR WORK
  IN THE MORE URBAN AREAS AND AWAY FROM THE IMMEDIATE COAST. THOSE
  WHO ARE AT A GREATER RISK INCLUDE THE ELDERLY, THE INFIRM AND
  CHILDREN.

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
1 follow-up statement
586 
WWUS71 KPHI 200740
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
340 AM EDT WED JUN 20 2012

...A PERIOD OF EARLY SEASON DANGEROUS HEAT WILL IMPACT OUR
REGION...

.A STRENGTHENING AREA OF HIGH PRESSURE WILL BUILD INTO OUR REGION
TODAY AND THURSDAY...BRINGING A VERY HOT AIRMASS WITH NEAR RECORD
HIGH TEMPERATURES. THIS WILL ALSO BE ACCOMPANIED BY INCREASING
HUMIDITY LEVELS. THE COMBINATION OF THE HEAT AND HUMIDITY WILL
RESULT IN DANGEROUS CONDITIONS DURING THE AFTERNOON AND EARLY
EVENING HOURS. THE URBAN CENTERS SUCH AS CENTER CITY PHILADELPHIA
WILL TEND TO HOLD THE HEAT THROUGH THE NIGHT THAT BUILT UP DURING
THE DAY. RELIEF FROM THE HEAT WILL GRADUALLY ARRIVE FROM THE
NORTHWEST DURING FRIDAY INTO SATURDAY.

PAZ060>062-202100-
/O.CAN.KPHI.HT.Y.0001.120620T1700Z-120620T2300Z/
/O.EXT.KPHI.HT.Y.0002.120620T1700Z-120622T0000Z/
BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...READING...ALLENTOWN...BETHLEHEM...
EASTON
340 AM EDT WED JUN 20 2012

...HEAT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THURSDAY...

* HEAT INDEX VALUES...98 TO 102 DEGREES THIS AFTERNOON AND
  THURSDAY AFTERNOON. 

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S THIS AFTERNOON AND
  THURSDAY AFTERNOON. LOWS WILL BE IN THE LOWER 70S.

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR 
  WORK IN THE MORE URBAN AREAS. THOSE WHO ARE AT A GREATER RISK 
  INCLUDE THE ELDERLY... THE INFIRM AND CHILDREN. 

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.

&&

$$

DEZ001-NJZ015-017>019-PAZ067>071-202100-
/O.CON.KPHI.EH.W.0002.120620T1700Z-120622T1000Z/
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
340 AM EDT WED JUN 20 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 6 AM EDT FRIDAY...

* HEAT INDEX VALUES...98 TO 104 DEGREES THIS AFTERNOON AND
  THURSDAY AFTERNOON.

* TEMPERATURES...HIGHS IN THE MID TO UPPER 90S THIS AFTERNOON AND
  THURSDAY AFTERNOON. LOWS GENERALLY 70 TO 75 DEGREES...AND ONLY
  DROPPING TO NEAR 80 DEGREES IN CENTER CITY PHILADELPHIA.

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR WORK
  IN THE URBAN AREAS. THOSE WHO ARE AT A GREATER RISK INCLUDE THE
  ELDERLY... THE INFIRM AND CHILDREN.

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.

&&

$$

NJZ001-202100-
/O.EXB.KPHI.HT.Y.0002.120620T1700Z-120622T0000Z/
SUSSEX-
INCLUDING THE CITY OF...NEWTON
340 AM EDT WED JUN 20 2012

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THURSDAY.

* HEAT INDEX VALUES...98 AND 102 DEGREES THIS AFTERNOON AND
  THURSDAY AFTERNOON.

* TEMPERATURES...IN THE MID 90S THIS AFTERNOON AND THURSDAY
  AFTERNOON. 

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR 
  WORK IN THE MORE URBAN AREAS AND AWAY FROM THE IMMEDIATE 
  COAST. THOSE WHO ARE AT A GREATER RISK INCLUDE THE ELDERLY... 
  THE INFIRM AND CHILDREN. 

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.

&&

$$

NJZ007>010-012-202100-
/O.EXT.KPHI.HT.Y.0002.120620T1700Z-120622T0000Z/
WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK
340 AM EDT WED JUN 20 2012

...HEAT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THURSDAY...

* HEAT INDEX VALUES...BETWEEN 98 AND 102 DEGREES THIS AFTERNOON
  AND THURSDAY AFTERNOON. 

* TEMPERATURES...IN THE MID TO UPPER 90S THIS AFTERNOON AND
  THURSDAY AFTERNOON.

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR 
  WORK IN THE MORE URBAN AREAS AND AWAY FROM THE IMMEDIATE 
  COAST. THOSE WHO ARE AT A GREATER RISK INCLUDE THE ELDERLY... 
  THE INFIRM AND CHILDREN. 

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.

&&

$$

NJZ013-016-020>023-027-202100-
/O.EXT.KPHI.HT.Y.0002.120621T1700Z-120622T0000Z/
WESTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...FREEHOLD...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
WHARTON STATE FOREST
340 AM EDT WED JUN 20 2012

...HEAT ADVISORY NOW IN EFFECT FROM 1 PM TO 8 PM EDT THURSDAY...

* HEAT INDEX VALUES...BETWEEN 100 AND 103 DEGREES THURSDAY
  AFTERNOON. 

* TEMPERATURES...IN THE MID TO UPPER 90S THURSDAY AFTERNOON. 

* IMPACTS...THE WORST WOULD BE FELT BY THOSE WHO LIVE AND/OR 
  WORK IN THE MORE URBAN AREAS AND AWAY FROM THE IMMEDIATE 
  COAST. THOSE WHO ARE AT A GREATER RISK INCLUDE THE ELDERLY... 
  THE INFIRM AND CHILDREN. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 3:32 PM EDTHeat AdvisoryPHIBerks, Lehigh, Northampton3 days

Nearby

Heat Advisories in Pennsylvania, 2012Every heat advisory 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.