Alert archive / New Jersey / Excessive Heat Warnings in 2022
Excessive Heat Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this excessive heat warning at Aug 9, 2022, 10:04 AM EDT for 8 counties in New Jersey; 5 counties in Pennsylvania; New Castle County, Delaware. It was in force for 10 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 9, 2022, 10:04 AM EDT (14:04 UTC)
- Expired
- Aug 9, 2022, 7:55 PM EDT
- In force
- 10 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth 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), 48 km from the middle of the area, began a volume at 14:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 4:34 PM EDT | HAIL 0.25 | 1 Nne Pottstown, PA | MPING REPORT OF PEA SIZED HAIL IN POTTSTOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.1 hours before the alert went out and 198 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
- 449 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
265 WWUS71 KPHI 091404 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1004 AM EDT Tue Aug 9 2022 DEZ001-NJZ010-012-013-015-017>020-027-PAZ070-071-102-104-106- 100000- /O.UPG.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ /O.NEW.KPHI.EH.W.0002.220809T1404Z-220810T0000Z/ New Castle-Somerset-Middlesex-Western Monmouth-Mercer-Gloucester- Camden-Northwestern Burlington-Ocean-Southeastern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Somerville, New Brunswick, Freehold, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Wharton State Forest, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 1004 AM EDT Tue Aug 9 2022 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values around 105 or more. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania and northern Delaware. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ DEZ002-003-NJZ022-023-100000- /O.EXA.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Kent-Inland Sussex-Atlantic-Cape May- Including the cities of Dover, Georgetown, Hammonton, and Cape May Court House 1004 AM EDT Tue Aug 9 2022 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values around 105 or more. * WHERE...In New Jersey, Atlantic and Cape May. In Delaware, Kent and Inland Sussex. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ NJZ001-007>009-PAZ060>062-101-103-105-100000- /O.CON.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Sussex-Warren-Morris-Hunterdon-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 1004 AM EDT Tue Aug 9 2022 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values 100 to 104. * WHERE...In New Jersey, Morris, Hunterdon, Sussex and Warren. In Pennsylvania, Upper Bucks, Western Chester, Western Montgomery, Northampton, Lehigh and Berks. * 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. && $$ MDZ012-015-019-020-NJZ016-021-100000- /O.CON.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Kent MD-Queen Annes-Talbot-Caroline-Salem-Cumberland- Including the cities of Chestertown, Centreville, Easton, Denton, Pennsville, and Millville 1004 AM EDT Tue Aug 9 2022 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values around 105 or more. * WHERE...In New Jersey, Cumberland and Salem. In Maryland, Caroline, Talbot, Kent MD and Queen Annes. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
2 follow-up statements
017 WWUS71 KPHI 091842 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 242 PM EDT Tue Aug 9 2022 DEZ001-NJZ010-012-013-015-017>020-027-PAZ070-071-102-104-106- 100000- /O.CON.KPHI.EH.W.0002.000000T0000Z-220810T0000Z/ New Castle-Somerset-Middlesex-Western Monmouth-Mercer-Gloucester- Camden-Northwestern Burlington-Ocean-Southeastern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Somerville, New Brunswick, Freehold, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Wharton State Forest, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 242 PM EDT Tue Aug 9 2022 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values 105 to 110. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania and northern Delaware. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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. && $$ NJZ001-007>009-PAZ060>062-101-103-105-100000- /O.CON.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Sussex-Warren-Morris-Hunterdon-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 242 PM EDT Tue Aug 9 2022 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values 100 to 105. * WHERE...In New Jersey, Morris, Hunterdon, Sussex and Warren. In Pennsylvania, Upper Bucks, Western Chester, Western Montgomery, Northampton, Lehigh and Berks. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DEZ002-003-MDZ012-015-019-020-NJZ016-021>023-100000- /O.CON.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-Salem- Cumberland-Atlantic-Cape May- Including the cities of Dover, Georgetown, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Hammonton, and Cape May Court House 242 PM EDT Tue Aug 9 2022 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values 105 to 110. * WHERE...In New Jersey, Atlantic, Cape May, Cumberland and Salem. In Maryland, Caroline, Talbot, Kent MD and Queen Annes. In Delaware, Inland Sussex and Kent. * 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. && $$
752 WWUS71 KPHI 092355 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 755 PM EDT Tue Aug 9 2022 DEZ001-NJZ010-012-013-015-017>020-027-PAZ070-071-102-104-106- 100100- /O.CAN.KPHI.EH.W.0002.000000T0000Z-220810T0000Z/ New Castle-Somerset-Middlesex-Western Monmouth-Mercer-Gloucester- Camden-Northwestern Burlington-Ocean-Southeastern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Somerville, New Brunswick, Freehold, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Wharton State Forest, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 755 PM EDT Tue Aug 9 2022 ...EXCESSIVE HEAT WARNING IS CANCELLED... A cold front has crossed the region. Temperatures the next few days will be close to normal. The threat of excessive heat has passed. $$ DEZ002-003-MDZ012-015-019-020-NJZ001-007>009-016-021>023- PAZ060>062-101-103-105-100100- /O.CAN.KPHI.HT.Y.0005.000000T0000Z-220810T0000Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-Sussex- Warren-Morris-Hunterdon-Salem-Cumberland-Atlantic-Cape May-Berks- Lehigh-Northampton-Western Chester-Western Montgomery-Upper Bucks- Including the cities of Dover, Georgetown, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Pennsville, Millville, Hammonton, Cape May Court House, Reading, Allentown, Bethlehem, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 755 PM EDT Tue Aug 9 2022 ...HEAT ADVISORY IS CANCELLED... A cold front is crossing the region this evening. Temperatures the next few days will be closer to normal. The threat of excessive heat has passed. $$ PO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:00 PM EDT | Special Weather Statement | PHI | Middlesex | 30 min |
| Aug 9, 6:25 PM EDT | Special Weather Statement | PHI | Gloucester | 35 min |
| Aug 9, 7:08 PM EDT | Special Weather Statement | PHI | Burlington | 37 min |
| Aug 9, 3:02 PM EDT | Special Weather Statement | PHI | Berks | 28 min |
| Aug 9, 4:02 PM EDT | Special Weather Statement | PHI | Lehigh | 28 min |
| Aug 9, 4:18 PM EDT | Special Weather Statement | PHI | Montgomery | 27 min |
| Aug 9, 4:32 PM EDT | Special Weather Statement | PHI | Lehigh | 28 min |
| Aug 9, 4:36 PM EDT | Special Weather Statement | PHI | Chester | 24 min |
| Aug 9, 4:55 PM EDT | Special Weather Statement | PHI | Berks | 35 min |
| Aug 9, 5:18 PM EDT | Special Weather Statement | PHI | Berks | 27 min |
| Aug 9, 6:03 PM EDT | Special Weather Statement | PHI | Delaware | 27 min |
Nearby
Excessive Heat Warnings in New Jersey, 2022Excessive Heat Warnings in Pennsylvania, 2022Excessive Heat Warnings in Delaware, 2022Every excessive heat warning in 2022
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.