Alert archive / New Jersey / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Feb 18, 2011, 3:30 PM EST for 5 counties in Maryland; 9 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It took effect at Feb 19, 2011, 3:45 AM EST. It was in force for 17 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
- Feb 18, 2011, 3:30 PM EST (20:30 UTC)
- In effect from
- Feb 19, 2011, 3:45 AM EST
- Expired
- Feb 19, 2011, 8:42 PM EST
- In force
- 17 hr
- Issued by
- NWS Philadelphia/Mount Holly
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, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 20:28 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 |
|---|---|---|---|
| Feb 19, 12:00 PM EST | NON-TSTM WND DMG | Cinnaminson, NJ | LARGE DOWNED TREE DAMAGED A HOME. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 71 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
- 1531 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
610 WWUS81 KPHI 182030 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 PM EST FRI FEB 18 2011 ...WINDY CONDITIONS SATURDAY INTO SATURDAY NIGHT WILL COINCIDE WITH LOW RELATIVE HUMIDITIES AND DRY FUELS... .STRONG WEST-NORTHWEST WINDS IN THE WAKE OF A COLD FRONT WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS SATURDAY INTO SATURDAY NIGHT. PAZ067-070-071-182130- /O.CAN.KPHI.FW.A.0001.110219T1100Z-110220T0200Z/ CHESTER-DELAWARE-PHILADELPHIA- 330 PM EST FRI FEB 18 2011 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE FIRE WEATHER WATCH. THOUGH STRONG WINDS AND LOW RELATIVE HUMIDITIES ARE EXPECTED SATURDAY, FINE FUELS HAVE RETAINED SOME MOISTURE FROM RECENT SNOW MELT. THUS, THE FIRE WEATHER WATCH HAS BEEN CANCELLED. $$ DEZ001>004-MDZ008-012-015-019-020-NJZ013-014-016>027-191100- /O.UPG.KPHI.FW.A.0001.110219T1100Z-110220T0200Z/ /O.NEW.KPHI.FW.W.0003.110219T1400Z-110220T0200Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-WESTERN MONMOUTH-EASTERN MONMOUTH- SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON- 330 PM EST FRI FEB 18 2011 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AREAS AFFECTED: EASTERN SHORE OF MARYLAND, DELAWARE, AND SOUTHERN TO CENTRAL PARTS OF NEW JERSEY. * TIMING: FROM 900 AM TO 900 PM. * WIND: WEST TO NORTHWEST WINDS SUSTAINED FROM 20 TO 35 MPH WITH GUSTS BETWEEN 50 AND 60 MPH. * HUMIDITY: MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP TO NEAR 25 PERCENT. * IMPACTS: BECAUSE OF METEOROLOGICAL CONDITIONS...THE POTENTIAL EXISTS FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP. THE FIRE DANGER WILL BE ELEVATED DUE TO THE STRONG WINDS...RECENT LACK OF PRECIPITATION...LOW RELATIVE HUMIDITY VALUES...AND DRY FUELS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND RECENT DRY WEATHER WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KLINE/MEOLA
2 follow-up statements
673 WWUS81 KPHI 190845 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 AM EST SAT FEB 19 2011 DEZ001>004-MDZ008-012-015-019-020-NJZ013-014-016>027-200200- /O.EXT.KPHI.FW.W.0003.110219T0845Z-110220T0200Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-WESTERN MONMOUTH-EASTERN MONMOUTH- SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON- 345 AM EST SAT FEB 19 2011 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM EST THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 900 PM THIS EVENING. * AREAS AFFECTED: NORTHEASTERN MARYLAND, DELAWARE AND SOUTHERN NEW JERSEY. * TIMING: UNTIL 900 PM. * WIND: NORTHWEST SUSTAINED AT 25 TO 35 MPH WITH GUSTS BETWEEN 50 AND 60 MPH. * HUMIDITY: MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO RANGE FROM 20 TO 25 PERCENT. * IMPACTS: BECAUSE OF THE EXPECTED METEOROLOGICAL CONDITIONS THE POTENTIAL EXISTS FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP. THE FIRE DANGER WILL BE ELEVATED DUE TO THE STRONG WINDS, RECENT LACK OF PRECIPITATION, LOW RELATIVE HUMIDITY VALUES AND DRY FUELS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING. A COMBINATION OF STRONG WINDS, LOW RELATIVE HUMIDITY AND RECENT DRY WEATHER WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IOVINO
926 WWUS81 KPHI 200142 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 842 PM EST SAT FEB 19 2011 DEZ001>004-MDZ008-012-015-019-020-NJZ013-014-016>027-200245- /O.CAN.KPHI.FW.W.0003.000000T0000Z-110220T0200Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-WESTERN MONMOUTH-EASTERN MONMOUTH- SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND- ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC- COASTAL OCEAN-SOUTHEASTERN BURLINGTON- 842 PM EST SAT FEB 19 2011 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE RED FLAG WARNING. HUMIDITY LEVELS HAVE RISEN ABOVE RED FLAG WARNING CRITERIA. $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:40 AM EST | Fire Weather Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 12 hr |
| Feb 18, 3:03 PM EST | High Wind Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Feb 18, 3:11 AM EST | Gale Warning | PHI | 18 hr | |
| Feb 18, 6:02 AM EST | Coastal Flood Statement | PHI | Middlesex, Monmouth | 3 hr |
| Feb 18, 3:29 PM EST | Low Water Advisory | PHI | 31 hr |
Nearby
Red Flag Warnings in New Jersey, 2011Red Flag Warnings in Maryland, 2011Red Flag Warnings in Delaware, 2011Every red flag warning in 2011
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.