Alert archive / Pennsylvania / Heat Advisories in 2017
Heat Advisory 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this heat advisory at Jun 12, 2017, 2:06 PM EDT for 4 counties in New Jersey; 5 counties in Pennsylvania; New Castle County, Delaware. It took effect at Jun 13, 2017, 12:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jun 12, 2017, 2:06 PM EDT (18:06 UTC)
- In effect from
- Jun 13, 2017, 12:00 PM EDT
- Expired
- Jun 13, 2017, 7:00 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, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.1 hours before the alert went out and 220 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
- 1838 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
996 WWUS71 KPHI 121806 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 206 PM EDT Mon Jun 12 2017 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-131000- /O.NEW.KPHI.HT.Y.0001.170613T1600Z-170613T2300Z/ 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 206 PM EDT Mon Jun 12 2017 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Heat Advisory, which is in effect from noon to 7 PM EDT Tuesday. * HEAT INDEX VALUES...In the upper 90s due to temperatures in the lower to mid 90s, and dewpoints in the low to mid 60s. * TIMING...Tuesday afternoon. * IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure. 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 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. && $$
4 follow-up statements
962 WWUS71 KPHI 130005 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 805 PM EDT Mon Jun 12 2017 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-131200- /O.CON.KPHI.HT.Y.0001.170613T1600Z-170613T2300Z/ New Castle-Mercer-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 805 PM EDT Mon Jun 12 2017 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * HEAT INDEX VALUES...In the upper 90s. * TIMING...Tuesday afternoon into the early evening. * IMPACTS...The combination of heat and humidity may cause heat stress during outdoor exertion or extended exposure. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot and humid conditions are expected. The combination of hot temperatures and higher humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids...stay in an air- conditioned room...stay out of the sun...and check up on relatives and neighbors. Take extra precautions...if you work or spend time outside. When possible...reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. Do not forget about your pets. To reduce risk during outdoor work...the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency...call 9 1 1. && $$
585 WWUS71 KPHI 130704 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 304 AM EDT Tue Jun 13 2017 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-131915- /O.CON.KPHI.HT.Y.0001.170613T1600Z-170613T2300Z/ 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 304 AM EDT Tue Jun 13 2017 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * HEAT INDEX VALUES...In the mid to upper 90s. * TIMING...This afternoon into the early evening. * IMPACTS...The combination of heat and humidity may cause heat stress during outdoor exertion or extended exposure. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot and humid conditions are expected. The combination of hot temperatures and higher 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 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. Do not forget about your pets. 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. && $$
063 WWUS71 KPHI 131600 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1200 PM EDT Tue Jun 13 2017 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-132300- /O.CON.KPHI.HT.Y.0001.000000T0000Z-170613T2300Z/ New Castle-Mercer-Gloucester-Camden-Northwestern Burlington- Delaware-Philadelphia-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 1200 PM EDT Tue Jun 13 2017 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * HEAT INDEX VALUES...In the upper 90s due to temperatures in the lower to mid 90s, and dewpoints in the low to mid 60s. * TIMING...Now through the early evening. * IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of hot and humid conditions are expected. The combination of hot temperatures and higher humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids...stay in an air- conditioned room...stay out of the sun...and check up on relatives and neighbors. Take extra precautions...if you work or spend time outside. When possible...reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. Do not forget about your pets. To reduce risk during outdoor work...the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency...call 9 1 1. && $$
687 WWUS71 KPHI 132254 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 654 PM EDT Tue Jun 13 2017 DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-140000- /O.EXP.KPHI.HT.Y.0001.000000T0000Z-170613T2300Z/ 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 654 PM EDT Tue Jun 13 2017 ...HEAT ADVISORY WILL EXPIRE AT 7 PM EDT THIS EVENING... The heat index values will continue to lower this evening as temperatures gradually drop. Therefore the heat advisory will be allowed to expire at 7 PM. $$
Nearby
Heat Advisories in Pennsylvania, 2017Heat Advisories in New Jersey, 2017Heat Advisories in Delaware, 2017Every heat advisory in 2017
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.