Alert archive / New Jersey / Heat Advisories in 2021
Heat Advisory 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this heat advisory at Aug 25, 2021, 2:13 PM EDT for 10 counties in New Jersey; New Castle County, Delaware; 5 counties in Pennsylvania. It took effect at Aug 26, 2021, 12:00 PM EDT. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2021, 2:13 PM EDT (18:13 UTC)
- In effect from
- Aug 26, 2021, 12:00 PM EDT
- Expired
- Aug 27, 2021, 7:16 PM EDT
- In force
- 31 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 18:15 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 12:00Z, 6.2 hours before the alert went out and 192 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
- 1538 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- -65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
003 WWUS71 KPHI 251813 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 213 PM EDT Wed Aug 25 2021 DEZ001-NJZ010-012-015-017>019-PAZ070-071-106-260715- /O.NEW.KPHI.HT.Y.0009.210826T1600Z-210826T2300Z/ New Castle-Somerset-Middlesex-Mercer-Gloucester-Camden- Northwestern Burlington-Delaware-Philadelphia-Lower Bucks- Including the cities of Wilmington, Somerville, New Brunswick, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Morrisville, and Doylestown 213 PM EDT Wed Aug 25 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT THURSDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In New Jersey, Somerset, Middlesex, Mercer, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. In Delaware, New Castle. * WHEN...From noon to 7 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. * ADDITIONAL DETAILS...Heat index values may be near 100 degrees again on Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ Johnson
6 follow-up statements
777 WWUS71 KPHI 260600 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 200 AM EDT Thu Aug 26 2021 NJZ009-PAZ103>105-262300- /O.EXA.KPHI.HT.Y.0009.210826T1600Z-210826T2300Z/ Hunterdon-Western Montgomery-Eastern Montgomery-Upper Bucks- Including the cities of Flemington, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, and Perkasie 200 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 101 degrees expected. * WHERE...In New Jersey, Hunterdon County. In Pennsylvania, Montgomery and upper Bucks Counties. * WHEN...From noon today to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. * ADDITIONAL DETAILS...Heat index values may be near 100 degrees again on Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DEZ001-NJZ010-012-015-017>019-PAZ070-071-106-262300- /O.CON.KPHI.HT.Y.0009.210826T1600Z-210826T2300Z/ New Castle-Somerset-Middlesex-Mercer-Gloucester-Camden- Northwestern Burlington-Delaware-Philadelphia-Lower Bucks- Including the cities of Wilmington, Somerville, New Brunswick, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Morrisville, and Doylestown 200 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 degrees expected. * WHERE...In New Jersey, Gloucester, Mercer, Middlesex, Somerset, Camden, and northwestern Burlington Counties. In Pennsylvania, Delaware, lower Bucks, and Philadelphia Counties. In Delaware, New Castle County. * WHEN...From noon today to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. * ADDITIONAL DETAILS...Heat index values may be near 100 degrees again on Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ CMS
034 WWUS71 KPHI 260716 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 316 AM EDT Thu Aug 26 2021 PAZ102-262100- /O.EXB.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ Eastern Chester- Including the cities of West Chester and Kennett Square 316 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values around 100 expected. * WHERE...Eastern Chester. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NJZ013-014-020-026-027-262100- /O.EXB.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean- Southeastern Burlington- Including the cities of Freehold, Sandy Hook, Jackson, Long Beach Island, and Wharton State Forest 316 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...Western Monmouth, Eastern Monmouth, Ocean, Coastal Ocean and Southeastern Burlington. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ DEZ001-NJZ015-017>019-PAZ070-071-104-106-262100- /O.EXT.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ New Castle-Mercer-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown 316 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 102 expected. * WHERE...In New Jersey, Northwestern Burlington, Gloucester, Mercer and Camden. In Pennsylvania, Eastern Montgomery, Philadelphia, Lower Bucks and Delaware. In Delaware, New Castle. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NJZ009-010-012-PAZ103-105-262100- /O.EXT.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ Hunterdon-Somerset-Middlesex-Western Montgomery-Upper Bucks- Including the cities of Flemington, Somerville, New Brunswick, Collegeville, Pottstown, Chalfont, and Perkasie 316 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 101 expected. * WHERE...In New Jersey, Hunterdon, Middlesex and Somerset. In Pennsylvania, Upper Bucks and Western Montgomery. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ MPS
361 WWUS71 KPHI 261035 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 635 AM EDT Thu Aug 26 2021 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-262300- /O.CON.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ New Castle-Mercer-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 635 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 102 expected. * WHERE...In New Jersey, Northwestern Burlington, Gloucester, Mercer and Camden. In Pennsylvania, Eastern Montgomery, Eastern Chester, Philadelphia, Lower Bucks and Delaware. In Delaware, New Castle. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NJZ009-010-012>014-020-026-027-PAZ103-105-262300- /O.CON.KPHI.HT.Y.0009.210826T1600Z-210828T0000Z/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Ocean-Coastal Ocean-Southeastern Burlington-Western Montgomery- Upper Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Jackson, Long Beach Island, Wharton State Forest, Collegeville, Pottstown, Chalfont, and Perkasie 635 AM EDT Thu Aug 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 103 expected. * WHERE...In New Jersey, Hunterdon, Coastal Ocean, Southeastern Burlington, Ocean, Eastern Monmouth, Western Monmouth, Middlesex and Somerset. In Pennsylvania, Upper Bucks and Western Montgomery. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ MPS
512 WWUS71 KPHI 261952 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 352 PM EDT Thu Aug 26 2021 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-270900- /O.CON.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ New Castle-Mercer-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 352 PM EDT Thu Aug 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Heat index values near to above 100 degrees expected. * WHERE...In New Jersey, Northwestern Burlington, Gloucester, Mercer and Camden. In Pennsylvania, Eastern Montgomery, Eastern Chester, Philadelphia, Lower Bucks and Delaware. In Delaware, New Castle. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NJZ009-010-012>014-020-026-027-PAZ103-105-270900- /O.CON.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Ocean-Coastal Ocean-Southeastern Burlington-Western Montgomery- Upper Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Jackson, Long Beach Island, Wharton State Forest, Collegeville, Pottstown, Chalfont, and Perkasie 352 PM EDT Thu Aug 26 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... * WHAT...Heat index values near to above 100 degrees expected. * WHERE...In New Jersey, Hunterdon, Coastal Ocean, Southeastern Burlington, Ocean, Eastern Monmouth, Western Monmouth, Middlesex and Somerset. In Pennsylvania, Upper Bucks and Western Montgomery. * WHEN...Until 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$
141 WWUS71 KPHI 270648 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 248 AM EDT Fri Aug 27 2021 NJZ008-280000- /O.EXA.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ Morris- Including the city of Morristown 248 AM EDT Fri Aug 27 2021 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 100 degrees. * WHERE...Morris County in New Jersey. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-280000- /O.CON.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ 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, and Doylestown 248 AM EDT Fri Aug 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 103 degrees. * WHERE...The urban corridor from Wilmington to Philadelphia to Trenton and surrounding suburbs. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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 lightweight and loose fitting clothing when possible. 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. && $$ NJZ009-010-012>014-020-026-027-PAZ103-105-280000- /O.CON.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Ocean-Coastal Ocean-Southeastern Burlington-Western Montgomery- Upper Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Jackson, Long Beach Island, Wharton State Forest, Collegeville, Pottstown, Chalfont, and Perkasie 248 AM EDT Fri Aug 27 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 102. * WHERE...In New Jersey, Hunterdon, Ocean, southeastern Burlington, Monmouth, Middlesex, and Somerset Counties. In Pennsylvania, upper Bucks and western Montgomery Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CMS
648 WWUS71 KPHI 272316 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 716 PM EDT Fri Aug 27 2021 DEZ001-NJZ008>010-012>015-017>020-026-027-PAZ070-071-102>106- 280030- /O.CAN.KPHI.HT.Y.0009.000000T0000Z-210828T0000Z/ New Castle-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington- Ocean-Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Wilmington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Media, Philadelphia, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 716 PM EDT Fri Aug 27 2021 ...HEAT ADVISORY IS CANCELLED... Temperatures have cooled considerably over most areas. Temperatures on Saturday are forecast to be well below those of recent days. The Heat Advisory is cancelled. $$ JEO
Nearby
Heat Advisories in New Jersey, 2021Heat Advisories in Pennsylvania, 2021Heat Advisories in Delaware, 2021Every heat advisory in 2021
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.