Alert archive / New Jersey / Red Flag Warnings in 2007
Red Flag Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Mar 29, 2007, 4:35 AM EDT for 4 states. It took effect at Mar 29, 2007, 10:00 AM EDT. It was in force for 9 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
- Mar 29, 2007, 4:35 AM EDT (08:35 UTC)
- In effect from
- Mar 29, 2007, 10:00 AM EDT
- Expired
- Mar 29, 2007, 7:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 31 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 08:38 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.6 hours before the alert went out and 219 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
- 2189 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS81 KPHI 290835 RFWPHI RED FLAG WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 435 AM EDT THU MAR 29 2007 DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054- 055-060>062-067>071-292300- /O.NEW.KPHI.FW.W.0001.070329T1400Z-070329T2300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON- SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH- NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 435 AM EDT THU MAR 29 2007 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING. THE WARNING IS IN EFFECT FROM 10 AM THIS MORNING UNTIL 7 PM THIS EVENING. VERY DRY AIR WILL CONTINUE TO BUILD DOWN FROM THE NORTH TODAY. TEMPERATURES ARE EXPECTED TO RISE INTO THE 55 TO 60 DEGREE RANGE THROUGHOUT MOST OF EASTERN PENNSYLVANIA, NEW JERSEY, DELAWARE AND NORTHEASTERN MARYLAND THIS AFTERNOON. RELATIVE HUMIDITY VALUE WILL DROP TO BELOW 20 PERCENT. MEANWHILE, THERE WILL BE A NORTHERLY WIND AT 10 TO 20 MPH, WITH GUSTS RANGING FROM 20 TO 25 MPH. THE VERY DRY AIR AND THE WIND, IN COMBINATION WITH THE RELATIVELY DRY WEATHER EXPERIENCED OVER THE PAST WEEK OR SO, HAVE RESULTED IN CONDITIONS THAT ARE FAVORABLE FOR THE RAPID SPREAD OF BRUSH AND WILD FIRES. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS ISSUED A RED FLAG WARNING FOR TODAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS, LOW RELATIVE HUMIDITY VALUES AND DRY FUELS WILL CREATE AN ENVIRONMENT FOR SIGNIFICANT FIRE GROWTH. $$ IOVINO
2 follow-up statements
000 WWUS81 KPHI 291517 RFWPHI RED FLAG WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1117 AM EDT THU MAR 29 2007 DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054- 055-060>062-067>071-292300- /O.CON.KPHI.FW.W.0001.000000T0000Z-070329T2300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON- SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH- NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 1117 AM EDT THU MAR 29 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. A VERY DRY AIR MASS WILL CONTINUE ACROSS THE AREA THROUGH THIS AFTERNOON. TEMPERATURES ARE EXPECTED TO TOP OUT IN THE MID AND UPPER 50S FOR MOST OF THE REGION THIS AFTERNOON, WITH RELATIVE HUMIDITY VALUES DROPPING BELOW 20 PERCENT. MEANWHILE, THERE WILL BE A NORTHERLY WIND AT 10 TO 20 MPH, WITH GUSTS AROUND 25 MPH. THE VERY DRY AIR MASS AND THE WIND, IN COMBINATION WITH THE RELATIVELY DRY WEATHER EXPERIENCED OVER THE PAST WEEK OR SO, HAVE RESULTED IN CONDITIONS THAT ARE FAVORABLE FOR THE RAPID SPREAD OF BRUSH AND WILD FIRES. AS A RESULT, THE NATIONAL WEATHER SERVICE HAS MAINTAINED THE RED FLAG WARNING THROUGH THIS AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS, LOW RELATIVE HUMIDITY VALUES AND DRY FUELS WILL CREATE AN ENVIRONMENT FOR SIGNIFICANT FIRE GROWTH. $$ GORSE
000 WWUS81 KPHI 292303 RFWPHI RED FLAG WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 703 PM EDT THU MAR 29 2007 DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054- 055-060>062-067>071-300015- /O.EXP.KPHI.FW.W.0001.000000T0000Z-070329T2300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON- SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH- NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 703 PM EDT THU MAR 29 2007 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING HAS EXPIRED. WINDS WILL DIMINISH QUICKLY AS THE EVENING PROGRESSES. PRESENT INDICATIONS ARE LEANING AWAY FROM RED FLAG WARNINGS TO BE NEEDED ON FRIDAY. PLEASE CHECK FOR THE LATEST FIRE WEATHER FORECASTS AND STATEMENTS ON FRIDAY MORNING TO MAKE SURE THIS CURRENT THINKING CONTINUES. $$ GIGI
Nearby
Red Flag Warnings in New Jersey, 2007Red Flag Warnings in Pennsylvania, 2007Red Flag Warnings in Maryland, 2007Every red flag warning in 2007
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.