Alert archive / New Jersey / Excessive Heat Watches in 2011
Excessive Heat Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat watch at Jun 6, 2011, 1:46 PM EDT for 4 counties in New Jersey; New Castle County, Delaware; Delaware County, Philadelphia County, Pennsylvania. It took effect at Jun 8, 2011, 12:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jun 6, 2011, 1:46 PM EDT (17:46 UTC)
- In effect from
- Jun 8, 2011, 12:00 PM EDT
- Expired
- Jun 7, 2011, 3:15 PM EDT
- In force
- 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 17:52 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, 5.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
189 WWUS71 KPHI 061746 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 146 PM EDT MON JUN 6 2011 DEZ001-NJZ015-017>019-PAZ067>071-071000- /O.NEW.KPHI.EH.A.0002.110608T1600Z-110610T0000Z/ 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 146 PM EDT MON JUN 6 2011 ...EXCESSIVE HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING. * LOCATIONS...MUCH OF SOUTHEASTERN PENNSYLVANIA...NORTHERN DELAWARE AND WEST CENTRAL NEW JERSEY. * HAZARDS...A VERY HOT AND HUMID AIRMASS OVER THE REGION WILL CAUSE TEMPERATURES TO SWELL INTO THE MID-90S CREATING DANGEROUS CONDITIONS. * HEAT INDEX VALUES...BETWEEN 95 TO 100 ON WEDNESDAY TO NEAR 100 ON THURSDAY. * IMPACTS...THE ELDERLY...THE INFIRM...CHILDREN AND PETS ARE AT GREATEST RISK...ESPECIALLY WHERE THERE IS NO AIR CONDITIONING. THIS AFFECTS OUTDOOR ACTIVITIES...ESPECIALLY DURING THE AFTERNOON HOURS. SLEEPING CAN BE DISRUPTED WHERE AIR CONDITIONING IS NOT AVAILABLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. 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 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 HEAT 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 911. && $$ HEAVENER
2 follow-up statements
367 WWUS71 KPHI 070755 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 355 AM EDT TUE JUN 7 2011 DEZ001-NJZ015-017>019-PAZ067>071-072100- /O.CON.KPHI.EH.A.0002.110608T1600Z-110610T0000Z/ 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 355 AM EDT TUE JUN 7 2011 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING. * LOCATIONS...MUCH OF SOUTHEASTERN PENNSYLVANIA...NORTHERN DELAWARE AND WEST CENTRAL NEW JERSEY. * HAZARDS...A VERY HOT AND HUMID AIR MASS OVER THE REGION WILL CAUSE TEMPERATURES TO SWELL INTO THE MID 90S AND CREATE DANGEROUS CONDITIONS...ESPECIALLY IN HIGHLY URBANIZED AREAS. * HEAT INDEX VALUES...BETWEEN 95 TO 100 ON WEDNESDAY...AND AROUND 100 ON THURSDAY. * IMPACTS...THE ELDERLY...THE INFIRM...CHILDREN AND PETS ARE AT GREATEST RISK...ESPECIALLY WHERE THERE IS NO AIR CONDITIONING. THIS AFFECTS OUTDOOR ACTIVITIES...ESPECIALLY DURING THE AFTERNOON HOURS. SLEEPING CAN BE DISRUPTED WHERE AIR CONDITIONING IS NOT AVAILABLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. 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 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 HEAT 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 911. AT A MINIMUM...SEE TO IT THAT PETS HAVE ACCESS TO A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR CONDITIONED ENVIRONMENT. PLEASE DO NOT LEAVE ANYONE UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. IT COULD RESULT IN THEIR DEATH. && $$
071 WWUS71 KPHI 071915 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 315 PM EDT TUE JUN 7 2011 DEZ001-NJZ015-017>019-PAZ067>071-081000- /O.UPG.KPHI.EH.A.0002.110608T1600Z-110610T0000Z/ /O.NEW.KPHI.EH.W.0002.110608T1600Z-110610T0000Z/ 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 315 PM EDT TUE JUN 7 2011 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT THURSDAY. THE EXCESSIVE HEAT WATCH IS NO LONGER IN EFFECT. * LOCATIONS...MUCH OF SOUTHEASTERN PENNSYLVANIA...NORTHERN DELAWARE AND WEST CENTRAL NEW JERSEY INCLUDING TRENTON... PHILADELPHIA...CAMDEN AND WILMINGTON. * HAZARDS...EARLY SEASON HEATWAVE...WITH THE MOST DANGEROUS CONDITIONS IN THE AFTERNOON AND EARLY EVENING HOURS. A VERY HOT AND HUMID AIR MASS WILL CAUSE TEMPERATURES TO SWELL INTO THE MID AND UPPER 90S AND CREATE DANGEROUS CONDITIONS...ESPECIALLY IN HIGHLY URBANIZED AREAS. * HEAT INDEX VALUES...AROUND 100. * IMPACTS...THE ELDERLY...THE INFIRM...CHILDREN AND PETS ARE AT GREATEST RISK...ESPECIALLY WHERE THERE IS NO AIR CONDITIONING. THIS AFFECTS OUTDOOR ACTIVITIES...ESPECIALLY DURING THE AFTERNOON HOURS. SLEEPING CAN BE DISRUPTED WHERE AIR CONDITIONING IS NOT AVAILABLE. 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 LATE 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. AT A MINIMUM...SEE TO IT THAT PETS HAVE ACCESS TO A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR CONDITIONED ENVIRONMENT. PLEASE DO NOT LEAVE ANYONE UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. IT COULD RESULT IN THEIR DEATH. && $$ NJZ007>010-012-013-020-027-PAZ060>062-081000- /O.NEW.KPHI.HT.Y.0002.110608T1600Z-110610T0000Z/ 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 315 PM EDT TUE JUN 7 2011 ...HEAT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 8 PM EDT THURSDAY. * LOCATIONS...THE LEHIGH VALLEY IN PENNSYLVANIA AND MUCH OF CENTRAL AND NORTHERN NEW JERSEY. * HAZARDS...EARLY SEASON HEATWAVE...WITH THE MOST DANGEROUS CONDITIONS IN THE AFTERNOON AND EARLY EVENING HOURS. A VERY HOT AND HUMID AIR MASS WILL CAUSE TEMPERATURES TO SWELL INTO THE MID AND UPPER 90S AND CREATE DANGEROUS CONDITIONS. * HEAT INDEX VALUES...AROUND 100. * IMPACTS...THE ELDERLY...THE INFIRM...CHILDREN AND PETS ARE AT GREATEST RISK...ESPECIALLY WHERE THERE IS NO AIR CONDITIONING. THIS AFFECTS OUTDOOR ACTIVITIES...ESPECIALLY DURING THE AFTERNOON HOURS. SLEEPING CAN BE DISRUPTED WHERE AIR CONDITIONING IS NOT AVAILABLE. 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 LATE 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. AT A MINIMUM...SEE TO IT THAT PETS HAVE ACCESS TO A SHADED AND WELL-VENTILATED AREA AND PLENTY OF COOL WATER. THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR CONDITIONED ENVIRONMENT. PLEASE DO NOT LEAVE ANYONE UNATTENDED IN A VEHICLE FOR ANY LENGTH OF TIME. IT COULD RESULT IN THEIR DEATH. && $$ TFG/RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 11:14 PM EDT | Special Weather Statement | PHI | Kent | 61 min |
| Jun 5, 8:06 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 39 min |
| Jun 5, 8:16 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Northampton | 59 min |
Nearby
Excessive Heat Watches in New Jersey, 2011Excessive Heat Watches in Pennsylvania, 2011Excessive Heat Watches in Delaware, 2011Every excessive heat watch in 2011
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.