Alert archive / New Jersey / Red Flag Warnings in 2014

Red Flag Warning 2, NWS Philadelphia/Mount Holly

April 23, 20144 states

NWS Philadelphia/Mount Holly issued this red flag warning at Apr 23, 2014, 7:27 PM EDT for 4 states. It took effect at Apr 24, 2014, 10:00 AM EDT. It was in force for 12 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: Apr 23, 2014, 7:27 PM EDT (23:27 UTC)
In effect from: Apr 24, 2014, 10:00 AM EDT
Expired: Apr 24, 2014, 9:30 PM EDT
In force: 12 hr
Issued by: NWS Philadelphia/Mount Holly

All 34 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, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 68 km from the middle of the area, began a volume at 23:32 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.5 hours before the alert went out and 94 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1246 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

721 
WWUS81 KPHI 232327
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
727 PM EDT WED APR 23 2014

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-241430-
/O.CAN.KPHI.FW.W.0001.000000T0000Z-140424T0000Z/
/O.UPG.KPHI.FW.A.0003.140424T1500Z-140425T0000Z/
/O.NEW.KPHI.FW.W.0002.140424T1400Z-140425T0000Z/
NEW CASTLE-KENT-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-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
727 PM EDT WED APR 23 2014

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT THURSDAY FOR
LOW RELATIVE HUMIDTY AND STRONG WIND FOR EASTERN
PENNSYLVANIA...MOST OF NEW JERSEY...DELAWARE AND THE EASTERN SHORE
OF MARYLAND...

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...STRONGEST WINDS WILL BE LATE MORNING INTO THE EARLY
  AFTERNOON THURSDAY, WITH THE LOWEST HUMIDITIES FROM LATE MORNING
  INTO THE EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS THE UPPER TEENS TO LOW 20S.

* TEMPERATURES...RANGING FORM THE UPPER 5OS AND LOW 60S UP NORTH,
  TO THE MID TO UPPER 60S ELSEWHERE.

* IMPACTS...THE COMBINATION OF WINDY CONDITIONS AND LOW RELATIVE 
  HUMIDITY VALUES WILL LEAD TO A MORE RAPID SPREAD RATE OF ANY 
  FIRES THAT MAY DEVELOP. RESIDENTS ARE ENCOURAGED TO EXERCISE 
  FIRE PREVENTION WITH ANY OUTDOOR ACTIVITIES AND PROPERLY 
  DISPOSE OF SMOKING MATERIALS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY DUE TO A COMBINATION
OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS...
AND WILDFIRE PREVENTION AND EDUCATIOIN...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

ROBERTSON

3 follow-up statements

727 
WWUS81 KPHI 240806
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
406 AM EDT THU APR 24 2014

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-250000-
/O.CON.KPHI.FW.W.0002.140424T1400Z-140425T0000Z/
NEW CASTLE-KENT-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-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
406 AM EDT THU APR 24 2014

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WIND
FOR EASTERN PENNSYLVANIA...MOST OF NEW JERSEY...DELAWARE AND THE
EASTERN SHORE OF MARYLAND...

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...STRONGEST WINDS WILL BE LATE THIS MORNING INTO THE
  EARLY AFTERNOON... WITH THE LOWEST HUMIDITIES FROM LATE MORNING
  INTO THE EARLY EVENING.

* RELATIVE HUMIDITY...IN THE TEENS AND 20S.

* TEMPERATURES...MAINLY IN THE LOWER TO MID 60S.

* IMPACTS...THE COMBINATION OF WINDY CONDITIONS AND LOW RELATIVE 
  HUMIDITY VALUES WILL LEAD TO A MORE RAPID SPREAD RATE OF ANY 
  FIRES THAT MAY DEVELOP. RESIDENTS ARE ENCOURAGED TO EXERCISE 
  FIRE PREVENTION WITH ANY OUTDOOR ACTIVITIES AND PROPERLY 
  DISPOSE OF SMOKING MATERIALS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY DUE TO A COMBINATION
OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS...
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

633 
WWUS81 KPHI 242317
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
717 PM EDT THU APR 24 2014

DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ060-070-
071-101>104-250030-
/O.CAN.KPHI.FW.W.0002.000000T0000Z-140425T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
BERKS-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-
717 PM EDT THU APR 24 2014

...RED FLAG WARNING IS CANCELLED FOR PORTIONS OF SOUTHERN NEW
JERSEY, SOUTHEASTERN PENNSYLVANIA, DELAWARE, AND EASTERN MARYLAND.

WINDS HAVE DIMINISHED BELOW CRITERIA AND WILL FURTHER DIMINISH
AFTER SUNSET. RELATIVE HUMIDITY VALUES REMAIN LOW THIS EVENING,
BUT WILL INCREASE THROUGH THE NIGHT AS TEMPERATURES DROP.



$$

NJZ001-007>010-012>015-019-020-026-027-PAZ054-055-061-062-105-106-
250200-
/O.EXT.KPHI.FW.W.0002.000000T0000Z-140425T0200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-NORTHWESTERN BURLINGTON-
OCEAN-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-LEHIGH-
NORTHAMPTON-UPPER BUCKS-LOWER BUCKS-
717 PM EDT THU APR 24 2014

...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING
FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR PORTIONS OF
NORTHEAST PENNSYLVANIA AND CENTRAL AND NORTHERN NEW JERSEY.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...WINDS WILL CONTINUE TO DIMINISH AFTER SUNSET AND
  RELATIVE HUMIDITY WILL INCREASE THROUGH THE NIGHT AS
  TEMPERATURES DROP.

* RELATIVE HUMIDITY...AS LOW AS 18 PERCENT.

* TEMPERATURES...IN THE MID TO UPPER 50S.

* IMPACTS...THE COMBINATION OF WINDY CONDITIONS AND LOW RELATIVE 
  HUMIDITY VALUES WILL LEAD TO A MORE RAPID SPREAD RATE OF ANY 
  FIRES THAT MAY DEVELOP. RESIDENTS ARE ENCOURAGED TO EXERCISE 
  FIRE PREVENTION WITH ANY OUTDOOR ACTIVITIES AND PROPERLY 
  DISPOSE OF SMOKING MATERIALS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY DUE TO A COMBINATION
OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS...
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

650 
WWUS81 KPHI 250130
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
930 PM EDT THU APR 24 2014

NJZ001-007>010-012>015-019-020-026-027-PAZ054-055-061-062-105-106-
250230-
/O.CAN.KPHI.FW.W.0002.000000T0000Z-140425T0200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-NORTHWESTERN BURLINGTON-
OCEAN-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-LEHIGH-
NORTHAMPTON-UPPER BUCKS-LOWER BUCKS-
930 PM EDT THU APR 24 2014

...RED FLAG WARNING IS CANCELLED FOR NORTHERN NEW JERSEY AND
EASTERN PENNSYLVANIA.

WINDS HAVE DIMINISHED BELOW CRITERIA AND WILL FURTHER DIMINISH
AFTER SUNSET. RELATIVE HUMIDITY VALUES REMAIN LOW THIS EVENING,
BUT WILL INCREASE THROUGH THE NIGHT AS TEMPERATURES DROP.

$$

ROBERTSON

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 22, 8:48 PM EDT	Special Weather Statement	PHI	Caroline, Talbot	57 min
Apr 23, 4:03 AM EDT	Fire Weather Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	15 hr
Apr 23, 4:03 AM EDT	Red Flag Warning	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	15 hr
Apr 22, 8:29 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington	46 min
Apr 22, 8:40 PM EDT	Special Marine Warning	PHI		50 min
Apr 23, 9:37 AM EDT	Small Craft Advisory	PHI		26 hr

Nearby

Red Flag Warnings in New Jersey, 2014 Red Flag Warnings in Pennsylvania, 2014 Red Flag Warnings in Maryland, 2014 Every red flag warning in 2014

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.