Alert archive / New Jersey / Excessive Heat Warnings in 2007
Excessive Heat Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat warning at Aug 24, 2007, 3:32 PM EDT for New Castle County, Delaware; Delaware County, Philadelphia County, Pennsylvania; 4 counties in New Jersey. It took effect at Aug 25, 2007, 12:00 PM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2007, 3:32 PM EDT (19:32 UTC)
- In effect from
- Aug 25, 2007, 12:00 PM EDT
- Expired
- Aug 25, 2007, 8:00 PM EDT
- In force
- 8 hr
- 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 19:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.5 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -357 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 241932 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 332 PM EDT FRI AUG 24 2007 DEZ001-NJZ015-017>019-PAZ067>071-250900- /O.UPG.KPHI.EH.A.0005.070825T1600Z-070826T0000Z/ /O.NEW.KPHI.EH.W.0005.070825T1600Z-070825T2200Z/ 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 332 PM EDT FRI AUG 24 2007 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY. HOT AND HUMID WEATHER IS EXPECTED ON SATURDAY AS HIGH TEMPERATURES CLIMB INTO THE MID AND UPPER 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES CLOSE TO 105 DEGREES... ESPECIALLY IN URBAN LOCATIONS. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE SATURDAY NIGHT OR EARLY SUNDAY AND MOVE ACROSS THE REMAINDER OF THE REGION DURING THE DAY ON SUNDAY, BRINGING THE POSSIBILITY OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY... BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY... WITH GREATER RELIEF ON MONDAY. AN EXCESSIVE HEAT WARNING IS ISSUED WHEN HIGH HUMIDITIES ARE EXPECTED TO COMBINE WITH HOT TEMPERATURES TO MAKE IT FEEL LIKE IT IS 105 DEGREES OR GREATER. PEOPLE IN THE WARNED AREA ARE ADVISED WEAR LIGHT-COLORED AND LOOSE FITTING CLOTHING, DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES. ALSO TRY TO STAY IN AN AIR CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER, SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. $$ NJZ007>010-012-013-020-027-PAZ060>062-250900- /O.NEW.KPHI.HT.Y.0008.070825T1600Z-070825T2200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-OCEAN- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...JACKSON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON 332 PM EDT FRI AUG 24 2007 ...HEAT ADVISORY IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY. HOT AND HUMID WEATHER IS EXPECTED ON SATURDAY AS HIGH TEMPERATURES CLIMB WELL INTO THE 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 100 DEGREES A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE SATURDAY NIGHT OR EARLY SUNDAY AND MOVE ACROSS THE REMAINDER OF THE REGION DURING THE DAY ON SUNDAY, BRINGING THE POSSIBILITY OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY... BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY... WITH GREATER RELIEF ON MONDAY. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES, WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON ELDERLY RELATIVES AND NEIGHBORS. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-250900- /O.NEW.KPHI.HT.Y.0008.070825T1600Z-070825T2200Z/ KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE- SALEM-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...ELKTON... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...PENNSVILLE... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 332 PM EDT FRI AUG 24 2007 ...HEAT ADVISORY IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM 12 PM TO 6 PM EDT SATURDAY. HOT AND HUMID WEATHER IS EXPECTED ON SATURDAY AS HIGH TEMPERATURES CLIMB INTO THE MID AND UPPER 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 105 DEGREES A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE SATURDAY NIGHT OR EARLY SUNDAY AND MOVE ACROSS THE REMAINDER OF THE REGION DURING THE DAY ON SUNDAY, BRINGING THE POSSIBILITY OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY... BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY... WITH GREATER RELIEF ON MONDAY. 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 WATER OR OTHER NON-ALCOHOLIC BEVERAGES, WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON ELDERLY RELATIVES AND NEIGHBORS. $$ NIERENBERG
3 follow-up statements
000 WWUS71 KPHI 250936 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 536 AM EDT SAT AUG 25 2007 DEZ001-NJZ015-017>019-PAZ067>071-252200- /O.CON.KPHI.EH.W.0005.070825T1600Z-070825T2200Z/ 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 536 AM EDT SAT AUG 25 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS AFTERNOON... HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB INTO THE MID AND UPPER 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES CLOSE TO 105 DEGREES...ESPECIALLY IN URBAN LOCATIONS. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND MOVE ACROSS THE REMAINDER OF THE REGION DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. AN EXCESSIVE HEAT WARNING FOR THE URBANIZED AREAS OF THE DELAWARE VALLEY IS ISSUED WHEN HIGH HUMIDITIES ARE EXPECTED TO COMBINE WITH HOT TEMPERATURES TO MAKE CONDITIONS THREATENING...ESPECIALLY IN THE HIGHLY URBANIZED SECTIONS. PEOPLE IN THE WARNED AREA ARE ADVISED WEAR LIGHT-COLORED AND LOOSE FITTING CLOTHING AND DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES. ALSO TRY TO STAY IN AN AIR CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ NJZ007>010-012-013-020-027-PAZ060>062-252200- /O.CON.KPHI.HT.Y.0008.070825T1600Z-070825T2200Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-OCEAN- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...JACKSON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON 536 AM EDT SAT AUG 25 2007 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS AFTERNOON... HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB WELL INTO THE 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 100 DEGREES. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND MOVE SOUTHEAST DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. 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 WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...AND STAY IN AN AIR-CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-252200- /O.CON.KPHI.HT.Y.0008.070825T1600Z-070825T2200Z/ KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE- SALEM-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...ELKTON... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...PENNSVILLE... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 536 AM EDT SAT AUG 25 2007 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS AFTERNOON... HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB INTO THE MID AND UPPER 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES NEAR 105 DEGREES A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND CONTINUE SOUTHEAST DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...AND STAY IN AN AIR-CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ MPD
000 WWUS71 KPHI 251648 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1248 PM EDT SAT AUG 25 2007 DEZ001-NJZ015-017>019-PAZ067>071-260000- /O.EXT.KPHI.EH.W.0005.000000T0000Z-070826T0000Z/ 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 1248 PM EDT SAT AUG 25 2007 ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE EXCESSIVE HEAT WARNING IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB INTO THE MID AND UPPER 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 105 DEGREES. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND MOVE ACROSS THE REMAINDER OF THE REGION DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. AN EXCESSIVE HEAT WARNING FOR THE URBANIZED AREAS OF THE DELAWARE VALLEY IS ISSUED WHEN HIGH HUMIDITIES ARE EXPECTED TO COMBINE WITH HOT TEMPERATURES TO MAKE CONDITIONS THREATENING...ESPECIALLY IN THE HIGHLY URBANIZED SECTIONS. PEOPLE IN THE WARNED AREA ARE ADVISED WEAR LIGHT-COLORED AND LOOSE FITTING CLOTHING AND DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES. ALSO TRY TO STAY IN AN AIR CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ NJZ001-260000- /O.EXB.KPHI.HT.Y.0008.000000T0000Z-070826T0000Z/ SUSSEX- INCLUDING THE CITY OF...NEWTON 1248 PM EDT SAT AUG 25 2007 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB WELL INTO THE MIDDLE 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 100 DEGREES. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND MOVE SOUTHEAST DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...AND STAY IN AN AIR-CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ NJZ007>010-012-013-020-027-PAZ060>062-260000- /O.EXT.KPHI.HT.Y.0008.000000T0000Z-070826T0000Z/ WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-OCEAN- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...WASHINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...JACKSON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON 1248 PM EDT SAT AUG 25 2007 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE HEAT ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB WELL INTO THE 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES OF 100 TO 105 DEGREES. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND MOVE SOUTHEAST DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. 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 WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...AND STAY IN AN AIR-CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-260000- /O.EXT.KPHI.HT.Y.0008.000000T0000Z-070826T0000Z/ KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE- SALEM-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...ELKTON... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...PENNSVILLE... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 1248 PM EDT SAT AUG 25 2007 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE HEAT ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. HOT AND HUMID WEATHER IS EXPECTED TODAY AS HIGH TEMPERATURES CLIMB WELL INTO THE 90S. THE COMBINATION OF HEAT AND HUMIDITY WILL PRODUCE AFTERNOON HEAT INDICES AROUND 105 DEGREES. A COLD FRONT WILL APPROACH THE AREAS NORTH AND WEST OF PHILADELPHIA LATE TONIGHT OR EARLY SUNDAY AND CONTINUE SOUTHEAST DURING THE DAY ON SUNDAY...BRINGING AN INCREASED CHANCE OF THUNDERSTORMS. THIS FRONT WILL MOVE THE WORST OF THE HOT AIR MASS OFFSHORE COME SUNDAY...BUT ONLY SLOW IMPROVEMENT WITH RESPECT TO TEMPERATURES AND HUMIDITY LEVELS IS EXPECTED SUNDAY...WITH GREATER RELIEF ON MONDAY. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED AND LOOSE FITTING CLOTHING...AND STAY IN AN AIR-CONDITIONED ENVIRONMENT. THE ELDERLY AND VERY YOUNG ARE AT GREATER RISK IN HOT AND HUMID WEATHER...SO BE SURE TO CHECK ON ELDERLY RELATIVES OR NEIGHBORS AS WELL AS CHILDREN. DOMESTIC ANIMALS AND PETS ALSO ARE SUSCEPTIBLE TO THE HEAT AND HUMIDITY. PLEASE MAKE SURE THAT THEY HAVE...AT A MINIMUM...A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR-CONDITIONED ENVIRONMENT. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$
000 WWUS71 KPHI 252356 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 756 PM EDT SAT AUG 25 2007 DEZ001-NJZ015-017>019-PAZ067>071-260100- /O.EXP.KPHI.EH.W.0005.000000T0000Z-070826T0000Z/ 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 756 PM EDT SAT AUG 25 2007 ...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... TEMPERATURES HAVE FALLEN INTO THE 80S AND HEAT INDEX VALUES WERE FALLING THROUGH THE 90S. AS A RESULT, THE EXCESSIVE HEAT WARNING WILL BE ALLOWED TO EXPIRE AT 8:00 PM. $$ NJZ001-007>010-012-013-020-027-PAZ060>062-260100- /O.EXP.KPHI.HT.Y.0008.000000T0000Z-070826T0000Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-OCEAN-SOUTHEASTERN BURLINGTON-BERKS-LEHIGH- NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...JACKSON... WHARTON STATE FOREST...READING...ALLENTOWN...BETHLEHEM...EASTON 756 PM EDT SAT AUG 25 2007 ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... TEMPERATURES HAVE FALLEN INTO THE 80S AND HEAT INDEX VALUES WERE FALLING THROUGH THE 90S. AS A RESULT, THE HEAT ADVISORY WILL BE ALLOWED TO EXPIRE AT 8:00 PM. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-260100- /O.EXP.KPHI.HT.Y.0008.000000T0000Z-070826T0000Z/ KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE- SALEM-CUMBERLAND-ATLANTIC-CAPE MAY- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...ELKTON... CHESTERTOWN...CENTREVILLE...EASTON...DENTON...PENNSVILLE... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE 756 PM EDT SAT AUG 25 2007 ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... TEMPERATURES HAVE FALLEN INTO THE 80S AND HEAT INDEX VALUES WERE FALLING THROUGH THE 90S. AS A RESULT, THE HEAT ADVISORY WILL BE ALLOWED TO EXPIRE AT 8:00 PM. $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 4:24 AM EDT | Excessive Heat Watch | PHI | New Castle | 11 hr |
| Aug 24, 3:32 PM EDT | Heat Advisory | PHI | Kent, Sussex | 28 hr |
| Aug 24, 4:24 AM EDT | Dense Fog Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 5 hr |
| Aug 24, 11:45 AM EDT | Marine Weather Statement | PHI | 6 hr |
Nearby
Excessive Heat Warnings in New Jersey, 2007Excessive Heat Warnings in Pennsylvania, 2007Excessive Heat Warnings in Delaware, 2007Every excessive heat warning in 2007
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.