Alert archive / Pennsylvania / Excessive Heat Warnings in 2015
Excessive Heat Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat warning at Jul 29, 2015, 3:24 AM EDT for 5 counties in Pennsylvania; New Castle County, Delaware; 4 counties in New Jersey. It took effect at Jul 29, 2015, 12:00 PM EDT. It was in force for 27 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
- Jul 29, 2015, 3:24 AM EDT (07:24 UTC)
- In effect from
- Jul 29, 2015, 12:00 PM EDT
- Expired
- Jul 30, 2015, 3:14 PM EDT
- In force
- 27 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 07:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 7.4 hours before the alert went out and 220 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
- 1650 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1314 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
421 WWUS71 KPHI 290724 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 324 AM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-292100- /O.NEW.KPHI.EH.W.0002.150729T1600Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 324 AM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING, WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THURSDAY. * HEAT INDEX VALUES...UP TO 100 DEGREES BOTH THIS AFTERNOON AND THURSDAY AFTERNOON FOR A FEW HOURS. * TEMPERATURES...IN THE LOW TO MID 90S THIS AFTERNOON AND THURSDAY AFTERNOON, HOWEVER THE HUMIDITY IS EXPECTED TO BE HIGHER ON THURSDAY. IN ADDITION, LOW TEMPERATURES TONIGHT ARE FORECAST TO ONLY DROP INTO THE UPPER 70S IN THE URBAN CENTERS. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER, THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE SATURDAY ESPECIALLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$ GORSE
7 follow-up statements
354 WWUS71 KPHI 290724 CCA NPWPHI URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 324 AM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-292100- /O.COR.KPHI.EH.W.0002.150729T1600Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 324 AM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING, WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THURSDAY. * HEAT INDEX VALUES...UP TO 100 DEGREES BOTH THIS AFTERNOON AND THURSDAY AFTERNOON FOR A FEW HOURS. * TEMPERATURES...IN THE LOW TO MID 90S THIS AFTERNOON AND THURSDAY AFTERNOON, HOWEVER THE HUMIDITY IS EXPECTED TO BE HIGHER ON THURSDAY. IN ADDITION, LOW TEMPERATURES TONIGHT ARE FORECAST TO ONLY DROP INTO THE UPPER 70S IN THE URBAN CENTERS. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER, THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE FRIDAY ESPECIALLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$ GORSE
968 WWUS71 KPHI 290815 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 415 AM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-292100- /O.CON.KPHI.EH.W.0002.150729T1600Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 415 AM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT THURSDAY... * HEAT INDEX VALUES...UP TO 100 DEGREES BOTH THIS AFTERNOON AND THURSDAY AFTERNOON FOR A FEW HOURS. * TEMPERATURES...IN THE LOW TO MID 90S THIS AFTERNOON AND THURSDAY AFTERNOON, HOWEVER THE HUMIDITY IS EXPECTED TO BE HIGHER ON THURSDAY. IN ADDITION, LOW TEMPERATURES TONIGHT ARE FORECAST TO ONLY DROP INTO THE UPPER 70S IN THE URBAN CENTERS. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER, THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE FRIDAY ESPECIALLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$ GORSE
675 WWUS71 KPHI 291314 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 914 AM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-292100- /O.CON.KPHI.EH.W.0002.150729T1600Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 914 AM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THURSDAY... * HEAT INDEX VALUES...UP TO 100 DEGREES BOTH THIS AFTERNOON AND THURSDAY AFTERNOON FOR A FEW HOURS. * TEMPERATURES...IN THE LOW TO MID 90S THIS AFTERNOON AND THURSDAY AFTERNOON...HOWEVER THE HUMIDITY IS EXPECTED TO BE HIGHER ON THURSDAY. IN ADDITION...LOW TEMPERATURES TONIGHT ARE FORECAST TO ONLY DROP INTO THE UPPER 70S IN THE URBAN CENTERS. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER...THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE FRIDAY ESPECIALLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$
361 WWUS71 KPHI 291909 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 309 PM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-300900- /O.CON.KPHI.EH.W.0002.000000T0000Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 309 PM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THURSDAY... * HEAT INDEX VALUES...AROUND 100 DEGREES BOTH DAYS * TEMPERATURES...IN THE LOW TO MID 90S THIS AFTERNOON AND AROUND 90 THURSDAY AFTERNOON. HOWEVER, THE HUMIDITY WILL BE HIGHER ON THURSDAY. IN ADDITION, LOW TEMPERATURES ARE ONLY FORECAST TO DROP TO THE UPPER 70S IN THE URBAN CENTERS. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER...THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE, ESPECIALLY ON FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$
550 WWUS71 KPHI 300043 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 843 PM EDT WED JUL 29 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-300900- /O.CON.KPHI.EH.W.0002.000000T0000Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 843 PM EDT WED JUL 29 2015 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THURSDAY... * HEAT INDEX VALUES...AROUND 100 DEGREES. * TEMPERATURES...AROUND 90 THURSDAY AFTERNOON, BUT WITH HIGHER HUMIDITY VALUES. IN ADDITION... LOW TEMPERATURES ARE ONLY FORECAST TO DROP TO THE UPPER 70S IN THE URBAN CENTERS TONIGHT. * IMPACTS...THE COMBINATION OF EXCESSIVE HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. * OUTLOOK...AN EXTENDED PERIOD OF 90 DEGREE DAYTIME TEMPERATURES LOOKS TO OCCUR FOR MUCH OF THE REGION DURING THE REST OF THIS WEEK AND INTO EARLY NEXT WEEK. HOWEVER...THE HUMIDITY IS EXPECTED TO BE ON THE LOWER SIDE... ESPECIALLY ON FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$
592 WWUS71 KPHI 300752 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 352 AM EDT THU JUL 30 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-302200- /O.CON.KPHI.EH.W.0002.000000T0000Z-150730T2200Z/ 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...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 352 AM EDT THU JUL 30 2015 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... * HEAT INDEX VALUES...APPROACHING 100 DEGREES THIS AFTERNOON ESPECIALLY IN THE HIGHLY URBANIZED CENTERS. * IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY IS A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. SOME SHOWERS AND THUNDERSTORMS THOUGH ESPECIALLY THIS AFTERNOON AND EVENING WILL RESULT IN COOLING. * OUTLOOK...90 DEGREE DAYTIME TEMPERATURES MAY OCCUR DAILY ACROSS THE REGION INTO NEXT WEEK. HOWEVER, THE HUMIDITY IS EXPECTED TO BE MUCH LOWER FRIDAY AND INTO THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES 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. 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. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. && $$
032 WWUS71 KPHI 301914 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 314 PM EDT THU JUL 30 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-302015- /O.CAN.KPHI.EH.W.0002.000000T0000Z-150730T2200Z/ NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA-EASTERN CHESTER-EASTERN MONTGOMERY- LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...TRENTON...GLASSBORO... CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA... PHILADELPHIA...WEST CHESTER...KENNETT SQUARE...NORRISTOWN... LANSDALE...MORRISVILLE...DOYLESTOWN 314 PM EDT THU JUL 30 2015 ...EXCESSIVE HEAT WARNING IS CANCELLED... A LINE OF THUNDERSTORMS WAS MOVING ACROSS THE INTERSTATE 95 CORRIDOR IN NEW JERSEY, SOUTHEASTERN PENNSYLVANIA AND NORTHERN DELAWARE AT MID AFTERNOON. THE PRECIPITATION WAS CAUSING TEMPERATURES TO DROP. AS A RESULT, THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE EXCESSIVE HEAT WARNING. $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:17 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
Nearby
Excessive Heat Warnings in Pennsylvania, 2015Excessive Heat Warnings in New Jersey, 2015Excessive Heat Warnings in Delaware, 2015Every excessive heat warning in 2015
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.