Alert archive / New Jersey / Excessive Heat Warnings in 2007
Excessive Heat Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat warning at Jul 8, 2007, 2:27 PM EDT for Delaware County, Philadelphia County, Pennsylvania; 4 counties in New Jersey; New Castle County, Delaware. It took effect at Jul 9, 2007, 12:00 PM EDT. It was in force for 30 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 8, 2007, 2:27 PM EDT (18:27 UTC)
- In effect from
- Jul 9, 2007, 12:00 PM EDT
- Expired
- Jul 10, 2007, 6:00 PM EDT
- In force
- 30 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 18:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 1:10 PM EDT | LIGHTNING | 4 Ene Glassboro, NJ | 5 HOMES STRUCK BY LIGHTNING IN WASHINGTON TOWNSHIP, AND A SHED HIT BY LIGHTNING IN FRANKLIN TOWNSHIP WITH SEVERAL FIRES AS A RESULT. A HOME ON JACQUELINE PLACE HAD ITS CHIMNEY STRUCK BY LIGHTNING CAUSING SIGNIFICANT DAMAGE. WIRES WERE ALSO DOWNED BY LIGHTNING |
| Jul 10, 1:17 PM EDT | TSTM WND DMG | 4 Se Glassboro, NJ | TREES KNOCKED DOWN ALONG ROUTE 659 NEAR ROUTE 538 IN FRANKLIN TOWNSHIP. SOME TREES WERE ALSO DOWNED ALONG BLUE BELL ROAD AND CORKERY ROAD IN MONROE TOWNSHIP. |
| Jul 10, 2:28 PM EDT | TSTM WND DMG | 9 Ssw Leisuretowne, NJ | TREES AND WIRES KNOCKED DOWN IN SHAMONG TOWNSHIP. ONE TREE WAS KNOCKED DOWN ONTO A VEHICLE. |
| Jul 10, 3:55 PM EDT | HAIL 0.25 | 3 Wsw Brookside, DE | HAIL TO PEA SIZE REPORTED IN SOUTHWESTERN NEWARK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.5 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1912 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 47 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 081827 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 227 PM EDT SUN JUL 8 2007 DEZ001-NJZ015-017>019-PAZ067>071-090100- /O.CAN.KPHI.HT.Y.0003.000000T0000Z-070709T0000Z/ /O.UPG.KPHI.EH.A.0003.070709T1600Z-070710T0000Z/ /O.NEW.KPHI.EH.W.0003.070709T1600Z-070710T2200Z/ 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 227 PM EDT SUN JUL 8 2007 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 12 PM MONDAY TO 6 PM EDT TUESDAY... ...HEAT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON MONDAY TO 6 PM EDT TUESDAY. THE HEAT ADVISORY THAT WAS IN EFFECT FOR SUNDAY HAS BEEN CANCELLED. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. TEMPERATURES REACHED THE LOWER AND MIDDLE 90S TODAY. HOWEVER, AS THE TEMPERATURES PEAKED, THE HUMIDITY DROPPED, ALLEVIATING SOME OF THE EXCESSIVENESS TO THE HEAT. MONDAY IS EXPECTED TO BE THE HOTTEST DAY FOR THIS HEAT WAVE AS TEMPERATURES WILL PEAK IN THE UPPER 90S. HUMIDITY WILL ALSO BE HIGHER THAN TODAY CAUSING THE HEAT INDEX TO INCREASE TO 100 TO 105. TUESDAY WILL SEE HIGH TEMPERATURES IN THE MIDDLE 90S, HOWEVER, THE HUMIDITY IS EXPECTED TO REMAIN HIGH OR BE A BIT HIGHER THAN ON MONDAY CAUSING THE HEAT INDEX TO AGAIN REACH 100 TO 105. WEDNESDAY IS ALSO EXPECTED TO BE QUITE HUMID, BUT THE HIGH TEMPERATURES SHOULD ONLY REACH THE LOWER 90S DUE TO MORE CLOUD COVER AND THE POSSIBILITY OF THUNDERSTORMS. STUDIES HAVE SHOWN THAT THE LONGER EXCESSIVE HEAT LASTS, THE MORE IT CAN BE LIFE THREATENING, AND THE DANGER FROM THE EXCESSIVE HEAT COULD EXTEND INTO WEDNESDAY. RELIEF FROM THE HEAT AND HUMIDITY SHOULD ARRIVE IN THE FORM OF A COLD FRONT ON THURSDAY. HEAT INDEX VALUES OVER 100 DEGREES CAN CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE...ESPECIALLY IF THIS OCCURS OVER A NUMBER OF DAYS. ADDITIONALLY...OVERNIGHT LOW TEMPERATURES WILL REMAIN QUITE WARM. THE LOW TEMPERATURES ON MONDAY NIGHT WILL ONLY DROP INTO THE 70S, HOWEVER, MOST OF THE NIGHT WILL SEE TEMPERATURES ABOUT 80, ESPECIALLY IN CENTER CITY PHILADELPHIA. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO 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. ALSO, NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ RNS
6 follow-up statements
000 WWUS71 KPHI 082321 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 721 PM EDT SUN JUL 8 2007 DEZ001-NJZ015-017>019-PAZ067>071-091000- /O.CON.KPHI.EH.W.0003.070709T1600Z-070710T2200Z/ 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 721 PM EDT SUN JUL 8 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 12 PM MONDAY TO 6 PM EDT TUESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 6 PM EDT TUESDAY. MONDAY IS EXPECTED TO BE THE HOTTEST DAY FOR THIS HEAT WAVE AS TEMPERATURES WILL PEAK IN THE UPPER 90S. HUMIDITY WILL ALSO BE HIGHER THAN TODAY CAUSING THE HEAT INDEX TO INCREASE TO 100 TO 105. TUESDAY WILL SEE HIGH TEMPERATURES IN THE MIDDLE 90S. HOWEVER...THE HUMIDITY IS EXPECTED TO REMAIN HIGH OR BE A BIT HIGHER THAN ON MONDAY CAUSING THE HEAT INDEX TO AGAIN REACH 100 TO 105. WEDNESDAY IS ALSO EXPECTED TO BE QUITE HUMID...BUT THE HIGH TEMPERATURES SHOULD ONLY REACH THE LOWER 90S DUE TO MORE CLOUD COVER AND THE POSSIBILITY OF THUNDERSTORMS. STUDIES HAVE SHOWN THAT THE LONGER EXCESSIVE HEAT LASTS...THE MORE IT CAN BE LIFE THREATENING...AND THE DANGER FROM THE EXCESSIVE HEAT COULD EXTEND INTO WEDNESDAY. RELIEF FROM THE HEAT AND HUMIDITY SHOULD ARRIVE IN THE FORM OF A COLD FRONT ON THURSDAY. HEAT INDEX VALUES OVER 100 DEGREES CAN CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE...ESPECIALLY IF THIS OCCURS OVER A NUMBER OF DAYS. ADDITIONALLY...OVERNIGHT LOW TEMPERATURES WILL REMAIN QUITE WARM. THE LOW TEMPERATURES ON MONDAY NIGHT WILL ONLY DROP INTO THE 70S. HOWEVER...MOST OF THE NIGHT WILL SEE TEMPERATURES AT OR ABOVE 80...ESPECIALLY IN CENTER CITY PHILADELPHIA. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO 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. ALSO... NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ RNS
000 WWUS71 KPHI 090805 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 405 AM EDT MON JUL 9 2007 DEZ001-NJZ015-017>019-PAZ067>071-092300- /O.CON.KPHI.EH.W.0003.070709T1600Z-070710T2200Z/ 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 405 AM EDT MON JUL 9 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT TUESDAY... TEMPERATURES THIS AFTERNOON ARE FORECAST TO PEAK IN THE UPPER 90S. THESE TEMPERATURES, WHEN COMBINED WITH DEW POINTS IN THE MID 60S, YIELD HEAT INDICES OF AROUND 100. HIGHLY URBANIZED AREAS LOCALLY WILL BE EVEN HOTTER, AND LITTLE RELIEF IS EXPECTED TONIGHT OR TUESDAY. MAXIMUM HEAT INDICES NEAR OR ABOVE 100 DEGREES CAN CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE, ESPECIALLY IF THEY RECUR OVER A NUMBER OF DAYS. WEDNESDAY IS EXPECTED TO BE QUITE HUMID. AT THE PRESENT TIME, MAXIMUM TEMPERATURES ARE NOT EXPECTED TO EXCEED THE LOWER 90S DUE TO MORE CLOUD COVER AND THE POSSIBILITY OF THUNDERSTORMS. HOWEVER, STUDIES HAVE SHOWN THAT THE LONGER HEAT LASTS, THE MORE IT CAN BE LIFE-THREATENING. THE DANGER FROM THE HEAT COULD EXTEND INTO WEDNESDAY. RELIEF FROM THE HEAT AND HUMIDITY ULTIMATELY SHOULD ARRIVE IN THE FORM OF A COLD FRONT ON WEDNESDAY NIGHT OR THURSDAY. AN EXCESSIVE HEAT WARNING FOR THE HIGHLY URBANIZED AREAS OF THE DELAWARE VALLEY MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR, ESPECIALLY IN CITY ENVIRONS. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO 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 REMEMBER YOUR PETS AND DOMESTIC ANIMALS. AT A MINIMUM, THEY NEED A SHADED AND WELL-VENTILATED AREA AND ACCESS TO PLENTY OF COOL WATER. REGARDING PETS, THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FINALLY, NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ NJZ007>010-012-013-020-027-PAZ060>062-092300- /O.NEW.KPHI.HT.Y.0004.070709T1600Z-070709T2300Z/ 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 405 AM EDT MON JUL 9 2007 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY, WHICH IS IN EFFECT FROM NOON TO 7 PM EDT TODAY. TEMPERATURES THIS AFTERNOON ARE FORECAST TO PEAK IN THE UPPER 90S. THESE TEMPERATURES, WHEN COMBINED WITH DEW POINTS IN THE MID 60S, YIELD HEAT INDICES OF AROUND 100. MAXIMUM HEAT INDICES NEAR OR ABOVE 100 DEGREES CAN CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE, ESPECIALLY IF THE HEAT PERSISTS OVER A NUMBER OF DAYS. STUDIES HAVE SHOWN THAT THE LONGER HEAT LASTS, THE MORE IT CAN BE LIFE-THREATENING. LITTLE RELIEF IS EXPECTED ON TUESDAY, AND THE ADVISORY ULTIMATELY MAY BE REISSUED. WEDNESDAY IS EXPECTED TO BE QUITE HUMID, BUT THE HIGH TEMPERATURES SHOULD ONLY REACH AROUND 90 DUE TO MORE CLOUD COVER AND THE POSSIBILITY OF THUNDERSTORMS. SUBSTANTIAL RELIEF FROM THE HEAT AND HUMIDITY SHOULD ARRIVE IN THE FORM OF A COLD FRONT ON WEDNESDAY NIGHT OR THURSDAY. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND 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. PLEASE REMEMBER YOUR PETS AND DOMESTIC ANIMALS. AT A MINIMUM, THEY NEED A SHADED AND WELL-VENTILATED AREA AND ACCESS TO PLENTY OF COOL WATER. REGARDING PETS, THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FINALLY, NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ MPD
000 WWUS71 KPHI 091943 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 343 PM EDT MON JUL 9 2007 DEZ001-NJZ015-017>019-PAZ067>071-101000- /O.CON.KPHI.EH.W.0003.000000T0000Z-070710T2200Z/ 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 343 PM EDT MON JUL 9 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT TUESDAY... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT TUESDAY. THE COMBINATION OF TEMPERATURES AND HUMIDITIES ON MONDAY AFTERNOON RESULTED IN HEAT INDICES NEAR THE 100 DEGREE MARK IN THE HOTTEST PLACES. TEMPERATURES TONIGHT WILL DROP ONLY INTO THE LOW TO MID 70S, AND MAY NOT DROP BELOW THE UPPER 70S IN THE INTERIOR SECTIONS OF HIGHLY URBANIZED AREAS SUCH AS CENTER CITY PHILADELPHIA. HIGHS ON TUESDAY WILL SOAR INTO THE MID 90S...AND COMBINED WITH DEW POINT TEMPERATURES IN THE MID TO UPPER 60S...HEAT INDEX VALUES WILL ONCE AGAIN APPROACH THE 100 DEGREE MARK. WHILE A FEW SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATE TUESDAY AFTERNOON AND EARLY TUESDAY EVENING...THEY WILL NOT CONTRIBUTE TO OVERALL COOLING EXCEPT IN THE LOCALIZED AREAS WHERE THEY HAPPEN TO OCCUR. THE EXCESSIVE HEAT WARNING IS THEREFORE STILL IN EFFECT UNTIL 6PM TUESDAY. THE HEAT IS EXPECTED TO CONTINUE ON WEDNESDAY...BUT CLOUDINESS AND A GREATER THREAT OF SHOWERS AND THUNDERSTORMS MAY PROVIDE JUST ENOUGH COOLING TO KEEP HIGH TEMPERATURES BELOW EXCESSIVE HEAT WARNING CRITERIA. STAY TUNED FOR LATER UPDATES. WIDESPREAD RELIEF FROM THE HEAT AND HUMIDITY IS EXPECTED TO ARRIVE LATE WEDNESDAY NIGHT AND EARLY THURSDAY AS A COLD FRONT MOVES THROUGH. COOLER TEMPERATURES ARE EXPECTED BEHIND THIS FRONT BEGINNING THURSDAY...CONTINUING INTO THE UPCOMING WEEKEND. AN EXCESSIVE HEAT WARNING FOR THE HIGHLY URBANIZED AREAS OF THE DELAWARE VALLEY MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR... ESPECIALLY IN CITY ENVIRONS. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO 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 REMEMBER YOUR PETS AND DOMESTIC ANIMALS. AT A MINIMUM... THEY NEED A SHADED AND WELL-VENTILATED AREA AND ACCESS TO PLENTY OF COOL WATER. REGARDING PETS... THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FINALLY... NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ NJZ007>010-012-013-020-027-PAZ060>062-092300- /O.CON.KPHI.HT.Y.0004.000000T0000Z-070709T2300Z/ 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 343 PM EDT MON JUL 9 2007 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. THE COMBINATION OF TEMPERATURES AND HUMIDITIES ON MONDAY AFTERNOON RESULTED IN HEAT INDICES NEAR THE 100 DEGREE MARK IN THE HOTTEST PLACES. TEMPERATURES TONIGHT WILL DROP INTO THE LOW 70S IN MOST LOCATIONS, AND HIGHS ON TUESDAY WILL REBOUND INTO THE LOW TO MID 90S. COMBINED WITH DEWPOINT TEMPERATURES IN THE MID 60S...THESE HIGH TEMPERATURES ARE EXPECTED TO RESULT IN HEAT INDEX VALUES NEAR 100 TUESDAY AFTERNOON. WHILE A FEW SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATE TUESDAY AFTERNOON AND EARLY TUESDAY EVENING...THEY WILL NOT CONTRIBUTE TO OVERALL COOLING EXCEPT IN THE LOCALIZED AREAS WHERE THEY HAPPEN TO OCCUR. THE HEAT IS EXPECTED TO CONTINUE ON WEDNESDAY... BUT CLOUDINESS AND A GREATER THREAT OF SHOWERS AND THUNDERSTORMS MAY PROVIDE JUST ENOUGH COOLING TO KEEP HIGH TEMPERATURES BELOW HEAT ADVISORY CRITERIA ONCE AGAIN ON WEDNESDAY. STAY TUNED FOR LATER UPDATES. WIDESPREAD RELIEF FROM THE HEAT AND HUMIDITY IS EXPECTED TO ARRIVE LATE WEDNESDAY NIGHT AS A COLD FRONT MOVES THROUGH THE REGION. COOLER TEMPERATURES ARE EXPECTED BEHIND THIS FRONT BEGINNING THURSDAY... CONTINUING INTO THE UPCOMING WEEKEND. EVEN THOUGH A HEAT ADVISORY WILL NOT BE IN EFFECT TUESDAY AND POSSIBLY WEDNESDAY...RESIDENTS OF THE REGION SHOULD STILL EXERCISE GOOD COMMON SENSE TO AVOID ANY UNNECESSARY EXPOSURE TO THE HEAT. DRINK PLENTY OF FLUIDS... STAY IN AN AIR-CONDITIONED ROOM... STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. PLEASE REMEMBER YOUR PETS AND DOMESTIC ANIMALS. AT A MINIMUM... THEY NEED A SHADED AND WELL-VENTILATED AREA AND ACCESS TO PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FINALLY... NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$
000 WWUS71 KPHI 100807 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 407 AM EDT TUE JUL 10 2007 DEZ001-NJZ015-017>019-PAZ067>071-102200- /O.CON.KPHI.EH.W.0003.000000T0000Z-070710T2200Z/ 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 407 AM EDT TUE JUL 10 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. THE COMBINATION OF TEMPERATURES IN THE MID 90S AND DEW POINT TEMPERATURES IN THE MID TO UPPER 60S WILL CREATE HEAT INDEX VALUES IN THE UPPER 90S TO NEAR 100 TODAY. THE EXCESSIVE HEAT WARNING IS THEREFORE STILL IN EFFECT UNTIL 6 PM TODAY. THE HEAT IS EXPECTED TO CONTINUE ON WEDNESDAY...BUT CLOUDINESS AND A GREATER THREAT OF SHOWERS AND THUNDERSTORMS MAY PROVIDE JUST ENOUGH COOLING TO KEEP HIGH TEMPERATURES BELOW EXCESSIVE HEAT WARNING CRITERIA. WIDESPREAD RELIEF FROM THE HEAT AND HUMIDITY IS EXPECTED TO ARRIVE LATE WEDNESDAY NIGHT AND EARLY THURSDAY AS A COLD FRONT MOVES THROUGH. COOLER TEMPERATURES ARE EXPECTED BEHIND THIS FRONT BEGINNING THURSDAY AND CONTINUING INTO THE UPCOMING WEEKEND. AN EXCESSIVE HEAT WARNING FOR THE HIGHLY URBANIZED AREAS OF THE DELAWARE VALLEY MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES IS OCCURRING...ESPECIALLY IN CITY ENVIRONS. THE COMBINATION OF HOT TEMPERATURES AND HUMIDITY WILL COMBINE TO 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 REMEMBER YOUR PETS AND DOMESTIC ANIMALS. AT A MINIMUM... THEY NEED A SHADED AND WELL-VENTILATED AREA AND ACCESS TO PLENTY OF COOL WATER. REGARDING PETS...THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. FINALLY...NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. $$ ROBERTSON/DELISI
000 WWUS71 KPHI 101704 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 104 PM EDT TUE JUL 10 2007 DEZ001-NJZ015-017>019-PAZ067>071-102200- /O.CON.KPHI.EH.W.0003.000000T0000Z-070710T2200Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA 104 PM EDT TUE JUL 10 2007 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. TEMPERATURES WILL TOP OUT AROUND 95 DEGREES THIS AFTERNOON. THIS WILL COMBINE WITH HIGHER HUMIDITY LEVELS TO PRODUCE MAXIMUM HEAT INDEX VALUES UP TO 105 DEGREES. AN EXCESSIVE HEAT WARNING FOR THE HIGHLY URBANIZED AREAS OF THE DELAWARE VALLEY MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES IS OCCURRING. THE COMBINATION OF HOT TEMPERATURES AND HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS, STAY IN AN AIR CONDITIONED ROOM, STAY OUT OF THE SUNSHINE, AND CHECK UP ON RELATIVES AND NEIGHBORS. NEVER LEAVE ANY PERSON OR ANIMAL UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. PLEASE REMEMBER YOUR PETS AND DOMESTIC ANIMALS. MAKE SURE THAT PETS AND ANIMALS HAVE ACCESS TO A SHADY AND WELL VENTILATED PLACE WITH PLENTY OF COOL WATER. THE HEAT IS EXPECTED TO CONTINUE ON WEDNESDAY, BUT CLOUDINESS AND A GREATER THREAT OF SHOWERS AND THUNDERSTORMS MAY PROVIDE JUST ENOUGH COOLING TO KEEP HIGH TEMPERATURES BELOW EXCESSIVE HEAT WARNING CRITERIA. WIDESPREAD RELIEF FROM THE HEAT AND HUMIDITY IS EXPECTED TO ARRIVE LATE WEDNESDAY NIGHT AND EARLY THURSDAY AS A COLD FRONT MOVES THROUGH. COOLER TEMPERATURES ARE EXPECTED BEHIND THIS FRONT BEGINNING THURSDAY AND CONTINUING INTO THE UPCOMING WEEKEND. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-102200- /O.NEW.KPHI.HT.Y.0005.070710T1704Z-070710T2200Z/ 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 104 PM EDT TUE JUL 10 2007 ...HEAT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. TEMPERATURES THIS AFTERNOON WILL TOP OUT AROUND 95 DEGREES. THESE HOT TEMPERATURES COMBINED WITH HIGHER LEVELS OF HUMIDITY WILL PRODUCE HEAT INDEX VALUES UP TO 108 DEGREES. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY LEVELS 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 SUNSHINE, AND CHECK UP ON RELATIVES AND NEIGHBORS. $$ GORSE
000 WWUS71 KPHI 102205 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 605 PM EDT TUE JUL 10 2007 DEZ001-NJZ015-017>019-PAZ067>071-102315- /O.EXP.KPHI.EH.W.0003.000000T0000Z-070710T2200Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...WEST CHESTER... NORRISTOWN...DOYLESTOWN...MEDIA 605 PM EDT TUE JUL 10 2007 ...EXCESSIVE HEAT WARNING HAS EXPIRED... BY 6:00 PM, TEMPERATURES HAD FALLEN INTO THE 80S. AS A RESULT, THE EXCESSIVE HEAT WARNING IS NO LONGER IN EFFECT. $$ DEZ002-003-MDZ008-012-015-019-020-NJZ016-021>023-102315- /O.EXP.KPHI.HT.Y.0005.000000T0000Z-070710T2200Z/ 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 605 PM EDT TUE JUL 10 2007 ...HEAT ADVISORY HAS EXPIRED... BY 6:00 PM, TEMPERATURES HAD FALLEN INTO THE 70S AND 80S. AS A RESULT, THE HEAT ADVISORY IS NO LONGER IN EFFECT. $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 4:58 AM EDT | Heat Advisory | PHI | Delaware, Philadelphia | 9 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.