Alert archive / New Jersey / Heat Advisories in 2012
Heat Advisory 11, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this heat advisory at Aug 2, 2012, 2:58 PM EDT for Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware; 4 counties in New Jersey. It took effect at Aug 3, 2012, 12:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2012, 2:58 PM EDT (18:58 UTC)
- In effect from
- Aug 3, 2012, 12:00 PM EDT
- Expired
- Aug 3, 2012, 6:36 PM EDT
- In force
- 7 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 18:59 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, 7.0 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
- 1377 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
161 WWUS71 KPHI 021858 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 258 PM EDT THU AUG 2 2012 DEZ001-NJZ015-017>019-PAZ067>071-031000- /O.NEW.KPHI.HT.Y.0011.120803T1600Z-120804T0000Z/ 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 258 PM EDT THU AUG 2 2012 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY. IT IS IN EFFECT FROM NOON UNTIL 800 PM ON FRIDAY. * LOCATION...THE PHILADELPHIA METROPOLITAN AREA. * HEAT INDEX VALUES...NEAR 100 DURING THE AFTERNOON AND EARLY EVENING HOURS ON FRIDAY. * IMPACTS...THE CUMULATIVE EFFECTS OF THE HEAT ARE A DANGER TO EVERYONE. THE ELDERLY, THE INFIRM AND THE VERY YOUNG ARE MOST SUSCEPTIBLE TO HEAT-RELATED HEALTH PROBLEMS. * OUTLOOK...EVEN WITH SOME CLOUD COVER AND SCATTERED SHOWERS AND THUNDERSTORMS, HEAT INDEX VALUES ARE FORECAST TO RISE INTO THE MIDDLE AND UPPER 90S DURING THE AFTERNOON AND EARLY EVENING HOURS ON SATURDAY AND SUNDAY. IF THE EXPECTED CONDITIONS CHANGE SLIGHTLY AND FORECAST TEMPERATURES AND HUMIDITY VALUES ARE INCREASED, AN EXTENSION TO THE HEAT ADVISORY OR AN EXCESSIVE HEAT WARNING MAY BECOME NECESSARY FOR AT LEAST PART OF THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION. BE SURE TO DRINK PLENTY OF FLUIDS, STAY IN AN AIR CONDITIONED LOCATION, STAY OUT OF THE SUN AND CHECK ON ELDERLY RELATIVES AND NEIGHBORS. DO NOT LEAVE A PERSON OR A PET IN A PARKED VEHICLE. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE, RESCHEDULE STRENUOUS ACTIVITY TO THE EARLY MORNING OR LATE EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING. TO REDUCE YOUR RISK WHEN PERFORMING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN A SHADED OR AIR CONDITIONED LOCATION. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. PLEASE MAKE SURE THAT YOUR PETS HAVE ACCESS TO PLENTY OF COOL WATER AND A SHADED WELL VENTILATED PLACE TO REST. THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR CONDITIONED LOCATION. && $$ IOVINO
2 follow-up statements
113 WWUS71 KPHI 030757 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 357 AM EDT FRI AUG 3 2012 DEZ001-NJZ015-017>019-PAZ067>071-040000- /O.CON.KPHI.HT.Y.0011.120803T1600Z-120804T0000Z/ 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 357 AM EDT FRI AUG 3 2012 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... * LOCATION...THE PHILADELPHIA METROPOLITAN AREA. * HEAT INDEX VALUES...NEAR 100 DURING THE AFTERNOON AND EARLY EVENING HOURS ON FRIDAY. * IMPACTS...THE CUMULATIVE EFFECTS OF THE HEAT ARE A DANGER TO EVERYONE. THE ELDERLY... THE INFIRM AND THE VERY YOUNG ARE MOST SUSCEPTIBLE TO HEAT-RELATED HEALTH PROBLEMS. * OUTLOOK...EVEN WITH SOME CLOUD COVER AND SCATTERED SHOWERS AND THUNDERSTORMS, HEAT INDEX VALUES ARE FORECAST TO RISE INTO THE MIDDLE AND UPPER 90S DURING THE AFTERNOON AND EARLY EVENING HOURS ON SATURDAY AND SUNDAY. IF THE EXPECTED CONDITIONS CHANGE SLIGHTLY AND FORECAST TEMPERATURES AND HUMIDITY VALUES ARE INCREASED, AN EXTENSION TO THE HEAT ADVISORY OR AN EXCESSIVE HEAT WARNING MAY BECOME NECESSARY FOR AT LEAST PART OF THE WEEKEND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION. BE SURE TO DRINK PLENTY OF FLUIDS... STAY IN AN AIR CONDITIONED LOCATION... STAY OUT OF THE SUN AND CHECK ON ELDERLY RELATIVES AND NEIGHBORS. DO NOT LEAVE A PERSON OR A PET IN A PARKED VEHICLE. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITY TO THE EARLY MORNING OR LATE EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING. TO REDUCE YOUR RISK WHEN PERFORMING OUTDOOR WORK... THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN A SHADED OR AIR CONDITIONED LOCATION. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. PLEASE MAKE SURE THAT YOUR PETS HAVE ACCESS TO PLENTY OF COOL WATER AND A SHADED WELL VENTILATED PLACE TO REST. THE MOST HUMANE THING TO DO IS TO BRING THEM INTO AN AIR CONDITIONED LOCATION. && $$
232 WWUS71 KPHI 032236 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 636 PM EDT FRI AUG 3 2012 DEZ001-NJZ015-017>019-PAZ067>071-032345- /O.CAN.KPHI.HT.Y.0011.000000T0000Z-120804T0000Z/ 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 636 PM EDT FRI AUG 3 2012 ...HEAT ADVISORY IS CANCELLED... THE SCATTERED SHOWERS AND THUNDERSTORMS IN THE REGION EARLY THIS EVENING HAVE CAUSED TEMPERATURES TO DECREASE INTO THE 80S. AS A RESULT, THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE HEAT ADVISORY. $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 11:34 AM EDT | Coastal Flood Statement | PHI | Kent, New Castle, Sussex | 14 hr |
| Aug 2, 2:56 PM EDT | Areal Flood Advisory | PHI | Sussex | 108 min |
| Aug 2, 4:01 PM EDT | Special Weather Statement | PHI | Sussex | 59 min |
| Aug 2, 4:16 PM EDT | Areal Flood Advisory | PHI | Sussex | 103 min |
| Aug 2, 4:33 PM EDT | Special Weather Statement | PHI | Kent | 57 min |
| Aug 2, 5:02 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
| Aug 2, 5:22 PM EDT | Special Weather Statement | PHI | Kent | 53 min |
| Aug 2, 7:01 PM EDT | Special Weather Statement | PHI | Sussex | 59 min |
Nearby
Heat Advisories in New Jersey, 2012Heat Advisories in Pennsylvania, 2012Heat Advisories in Delaware, 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; radar from the NEXRAD Level II archive.