Alert archive / New Jersey / Red Flag Warnings in 2010
Red Flag Warning 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Jun 29, 2010, 9:22 AM EDT for 7 counties in New Jersey. It took effect at Jun 29, 2010, 12:00 PM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2010, 9:22 AM EDT (13:22 UTC)
- In effect from
- Jun 29, 2010, 12:00 PM EDT
- Expired
- Jun 29, 2010, 7:53 PM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Burlington County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 37 km from the middle of the area, began a volume at 13:25 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, 1.4 hours before the alert went out and 156 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
- 530 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
452 WWUS81 KPHI 291322 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 922 AM EDT TUE JUN 29 2010 NJZ009-010-012>015-019-020-026-027-300000- /O.NEW.KPHI.FW.W.0009.100629T1600Z-100630T0000Z/ HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- MERCER-NORTHWESTERN BURLINGTON-OCEAN-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 922 AM EDT TUE JUN 29 2010 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE COMBINATION OF GUSTY WEST TO NORTHWEST WINDS...LOW RELATIVE HUMIDITY VALUES AND DRY CONDITIONS WILL CREATE A HIGH FIRE DANGER ACROSS PORTIONS OF NEW JERSEY DURING THE AFTERNOON HOURS. PORTIONS OF CENTRAL AND SOUTH CENTRAL NEW JERSEY MISSED THE RAIN FROM THE THUNDERSTORMS ON MONDAY...AND REMAIN DRY WITH LITTLE IN THE WAY OF RAIN THIS MONTH. HIGH TEMPERATURES REACHING NEAR 90 THIS AFTERNOON...WITH DROPPING DEW POINTS...WILL RESULT IN MINIMUM RELATIVE HUMIDITIES DROPPING TO NEAR 30 PERCENT. ADDITIONALLY... WEST TO NORTHWEST WINDS WILL GUST TO NEAR 25 MPH AT TIME THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HAYES
2 follow-up statements
930 WWUS81 KPHI 291913 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 313 PM EDT TUE JUN 29 2010 NJZ009-010-012>015-019-020-026-027-300000- /O.CON.KPHI.FW.W.0009.000000T0000Z-100630T0000Z/ HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- MERCER-NORTHWESTERN BURLINGTON-OCEAN-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 313 PM EDT TUE JUN 29 2010 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE COMBINATION OF GUSTY WEST TO NORTHWEST WINDS...LOW RELATIVE HUMIDITY VALUES AND DRY CONDITIONS WILL CREATE A HIGH FIRE DANGER ACROSS PORTIONS OF CENTRAL NEW JERSEY THROUGH THE REMAINDER OF THE AFTERNOON AND INTO THE EVENING. PORTIONS OF CENTRAL AND SOUTH CENTRAL NEW JERSEY MISSED THE RAIN FROM THE THUNDERSTORMS ON MONDAY...AND REMAIN DRY WITH LITTLE IN THE WAY OF RAIN THIS MONTH. HIGH TEMPERATURES HAVE REACHED NEAR 90 THIS AFTERNOON...AND MINIMUM RELATIVE HUMIDITIES HAVE DROP TO ABOUT 30 PERCENT. EXPECT THESE CONDITIONS TO CONTINUE INTO THE EARLY EVENING...WHEN RECOVERING HUMIDITIES WILL LESS THE FIRE DANGER THREAT. THE THREAT FOR MARGINAL RED FLAG CONDITIONS WILL CONTINUE WEDNESDAY... ALTHOUGH WINDS WILL NOT BE AS GUSTY AS TODAY. WINDS MAY GUST TO 25 MPH AT TIMES THURSDAY...ALSO RESULTING IN MARGINAL RED FLAG CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HAYES
258 WWUS81 KPHI 292353 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 753 PM EDT TUE JUN 29 2010 NJZ009-010-012>015-019-020-026-027-300100- /O.CAN.KPHI.FW.W.0009.000000T0000Z-100630T0000Z/ HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH- MERCER-NORTHWESTERN BURLINGTON-OCEAN-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 753 PM EDT TUE JUN 29 2010 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE RED FLAG WARNING. RED FLAG CONDITIONS ARE NOT EXPECTED OVERNIGHT. $$
Nearby
Red Flag Warnings in New Jersey, 2010Every red flag warning in 2010
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.