Alert archive / Pennsylvania / Heat Advisories in 2015
Heat Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this heat advisory at Jul 17, 2015, 12:55 PM EDT for 4 counties in New Jersey; 5 counties in Pennsylvania; New Castle County, Delaware. It took effect at Jul 19, 2015, 12:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 17, 2015, 12:55 PM EDT (16:55 UTC)
- In effect from
- Jul 19, 2015, 12:00 PM EDT
- Expired
- Jul 18, 2015, 12:44 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, 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 17:01 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, 4.9 hours before the alert went out and 96 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
- 8 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
679 WWUS71 KPHI 171655 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1255 PM EDT FRI JUL 17 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-180100- /O.NEW.KPHI.HT.Y.0003.150719T1600Z-150719T2200Z/ 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 1255 PM EDT FRI JUL 17 2015 ...HEAT ADVISORY IN EFFECT FROM NOON TO 6 PM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON TO 6 PM EDT SUNDAY. * HEAT INDEX VALUES...UP TO 100 DUE TO TEMPERATURES IN THE MID 90S...AND DEW POINTS IN THE LOWER 70S. * TIMING...HIGHEST HEAT INDEX VALUES ARE EXPECTED DURING THE EARLY TO LATE AFTERNOON HOURS. * THERE IS A LOW PROBABILITY THAT HEAT INDEX VALUES MAY APPROACH 105 IN PHILADELPHIA AND POINTS SOUTHWESTWARD. * LOW TEMPERATURES ARE ONLY EXPECTED TO DIP INTO THE UPPER 70S ON BOTH SATURDAY AND SUNDAY NIGHTS. ALSO...HIGH TEMPERATURES ARE EXPECTED TO BE AROUND 90 THROUGH THE MIDDLE OF NEXT WEEK...BUT DEW POINTS MAY BE LOWER...THEREFORE IT IS UNCERTAIN IF UNHEALTHY HEAT INDEX VALUES WILL CONTINUE INTO NEXT WEEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR 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. A HEAT ADVISORY MEANS THAT A PERIOD OF EXCESSIVE HEAT 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. && $$ FRANCK/DRAG
3 follow-up statements
333 WWUS71 KPHI 180034 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 834 PM EDT FRI JUL 17 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-181000- /O.CON.KPHI.HT.Y.0003.150719T1600Z-150719T2200Z/ 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 834 PM EDT FRI JUL 17 2015 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM EDT SUNDAY... * HEAT INDEX VALUES...AROUND 100 DEGREES. * TIMING...HIGHEST HEAT INDEX VALUES ARE EXPECTED DURING THE AFTERNOON HOURS ON SUNDAY. * THERE IS A LOW PROBABILITY THAT HEAT INDEX VALUES MAY APPROACH 105 IN PHILADELPHIA AND POINTS SOUTHWESTWARD. * LOW TEMPERATURES ARE ONLY EXPECTED TO DIP INTO THE UPPER 70S ON BOTH SATURDAY AND SUNDAY NIGHTS. ALSO...HIGH TEMPERATURES ARE EXPECTED TO BE AROUND 90 THROUGH THE MIDDLE OF NEXT WEEK... BUT DEW POINTS MAY BE LOWER...THEREFORE IT IS UNCERTAIN IF UNHEALTHY HEAT INDEX VALUES WILL CONTINUE INTO NEXT WEEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR 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. A HEAT ADVISORY MEANS THAT A PERIOD OF EXCESSIVE HEAT 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. THIS IS ESPECIALLY TRUE FOR THE ELDERLY AND VERY YOUNG. PLEASE DO NOT FORGET ABOUT YOUR PETS. PLEASE MAKE SURE THEY HAVE ADEQUATE WATER AND SHELTER FROM THE SUN. && $$
136 WWUS71 KPHI 180746 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 346 AM EDT SAT JUL 18 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-182100- /O.CON.KPHI.HT.Y.0003.150719T1600Z-150719T2200Z/ 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 346 AM EDT SAT JUL 18 2015 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM EDT SUNDAY... * HEAT INDEX VALUES...FROM 100 TO 105 ON SUNDAY AFTERNOON. * TEMPERATURES...MINIMUM TEMPERATURES ON SATURDAY NIGHT ARE FORECAST TO BE IN THE LOWER AND MIDDLE 70S. MAXIMUM TEMPERATURES ON SUNDAY ARE EXPECTED TO BE IN THE MIDDLE 90S. THERE SHOULD BE LITTLE RELIEF ON SUNDAY NIGHT WITH LOW TEMPERATURES ANTICIPATED TO BE IN THE MIDDLE AND UPPER 70S. * OUTLOOK...MONDAY IS FORECAST TO BE ANOTHER HOT HUMID DAY. THE ADVISORY MAY NEED TO BE UPGRADED AND EXTENDED IF EXPECTED SHOWERS AND THUNDERSTORMS DO NOT APPEAR AS THOUGH THEY WILL MATERIALIZE FOR LATE SUNDAY NIGHT INTO MONDAY MORNING. THE PRECIPITATION WOULD LIKELY LIMIT HEAT INDEX VALUES FROM REACHING 100 ON MONDAY. * IMPACT...THE EXCESSIVE HEAT AND HUMIDITY WILL BECOME A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. IF POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES FOR THE EARLY MORNING OR LATE EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING AND DRINK PLENTY OF WATER. TO REDUCE RISK WHILE WORKING OUTDOORS, THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN A SHADED OR AIR CONDITIONED ENVIRONMENT. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY, CALL 9 1 1. A HEAT ADVISORY MEANS THAT A PERIOD OF EXCESSIVE HEAT IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL 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 ON ELDERLY RELATIVES AND NEIGHBORS. PLEASE DO NOT FORGET ABOUT YOUR PETS. MAKE SURE THAT THEY HAVE ADEQUATE WATER AND SHELTER FROM THE SUN. && $$ IOVINO
360 WWUS71 KPHI 181644 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1244 PM EDT SAT JUL 18 2015 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-190045- /O.UPG.KPHI.HT.Y.0003.150719T1600Z-150719T2200Z/ /O.NEW.KPHI.EH.W.0001.150719T1600Z-150721T0000Z/ 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 1244 PM EDT SAT JUL 18 2015 ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM NOON SUNDAY TO 8 PM EDT MONDAY. THE HEAT ADVISORY IS NO LONGER IN EFFECT. * HEAT INDEX VALUES...100 TO 105 DEGREES ON SUNDAY. AROUND 100 DEGREES MONDAY. * TIMING...HIGHEST HEAT INDEX VALUES ARE EXPECTED DURING THE EARLY TO LATE AFTERNOON HOURS. * TEMPERATURES...MAXIMUM TEMPERATURES IN THE MID 90S ON SUNDAY AND MONDAY. THERE SHOULD BE LITTLE RELIEF ON SUNDAY NIGHT IN THE URBAN AREAS WITH LOW TEMPERATURES IN THE MID AND UPPER 70S. * IMPACT...THE EXCESSIVE HEAT AND HUMIDITY WILL BECOME A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. 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. && $$ DEZ002>004-MDZ008-012-015-019-020-NJZ001-007>010-012>014-016- 020>027-PAZ060>062-101-103-105-190045- /O.NEW.KPHI.HT.Y.0004.150719T1600Z-150720T0200Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC- CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-NORTHAMPTON-WESTERN CHESTER- WESTERN MONTGOMERY-UPPER BUCKS- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON... WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY... ATLANTIC CITY...LONG BEACH ISLAND...WHARTON STATE FOREST... READING...ALLENTOWN...BETHLEHEM...HONEY BROOK...OXFORD... COLLEGEVILLE...POTTSTOWN...CHALFONT...PERKASIE 1244 PM EDT SAT JUL 18 2015 ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM NOON TO 10 PM EDT SUNDAY. * HEAT INDEX VALUES...100 TO 105 DEGREES ON SUNDAY. * TIMING...HIGHEST HEAT INDEX VALUES ARE EXPECTED DURING THE EARLY TO LATE AFTERNOON HOURS. * TEMPERATURES...MAXIMUM TEMPERATURES IN THE MID 90S ON SUNDAY. * IMPACT...THE EXCESSIVE HEAT AND HUMIDITY WILL BECOME A DANGER IF PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES FOR 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. A HEAT ADVISORY MEANS THAT A PERIOD OF EXCESSIVE HEAT 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. && $$ JRK
Nearby
Heat Advisories in Pennsylvania, 2015Heat Advisories in New Jersey, 2015Heat Advisories in Delaware, 2015Every heat advisory 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.