Alert archive / New Jersey / Red Flag Warnings in 2012

Red Flag Warning 6, NWS New York, NY

April 10, 20125 counties in New Jersey

NWS New York, NY issued this red flag warning at Apr 10, 2012, 3:57 AM EDT for 5 counties in New Jersey. It took effect at Apr 10, 2012, 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
Apr 10, 2012, 3:57 AM EDT (07:57 UTC)
In effect from
Apr 10, 2012, 10:00 AM EDT
Expired
Apr 10, 2012, 7:26 PM EDT
In force
9 hr
Issued by
NWS New York, NY

Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ

The radar

The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 08:00 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 00:00Z, 8.0 hours before the alert went out and 112 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2012-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
3270 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
94 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.

067 
WWUS81 KOKX 100757
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
357 AM EDT TUE APR 10 2012

NYZ067>071-100900-
/O.CAN.KOKX.FW.A.0008.120410T1600Z-120411T0000Z/
ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
357 AM EDT TUE APR 10 2012

...FIRE WEATHER WATCH IS CANCELLED FOR THE LOWER HUDSON VALLEY...

THE NATIONAL WEATHER SERVICE IN UPTON HAS CANCELLED THE FIRE
WEATHER WATCH.


$$

NJZ002-004-006-103>108-NYZ072>075-078>081-176>179-101600-
/O.UPG.KOKX.FW.A.0008.120410T1600Z-120411T0000Z/
/O.NEW.KOKX.FW.W.0006.120410T1400Z-120411T0000Z/
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
357 AM EDT TUE APR 10 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR NORTHEASTERN NEW JERSEY...NEW YORK CITY AND LONG
ISLAND...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...NORTHEASTERN NEW JERSEY...NEW YORK CITY AND LONG ISLAND.

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

* RELATIVE HUMIDITY...AS LOW AS 25 PERCENT.

* TIMING...LOWEST RELATIVE HUMIDITY AND STRONGEST WINDS ARE EXPECTED
  THIS AFTERNOON.

* IMPACTS...THE FIRE RISK WILL BE ELEVATED DUE TO DRY
  CONDITIONS...AND GUSTY WEST WINDS. AS A RESULT...ANY FIRES THAT
  START MAY QUICKLY SPREAD. OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE A SIGNIFICANTLY
ELEVATED FIRE GROWTH POTENTIAL.

&&

$$
3 follow-up statements
094 
WWUS81 KOKX 101538
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
1138 AM EDT TUE APR 10 2012

NJZ002-004-006-103>108-NYZ072>075-078>081-176>179-110000-
/O.CON.KOKX.FW.W.0006.000000T0000Z-120411T0000Z/
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
1138 AM EDT TUE APR 10 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR NORTHEASTERN NEW JERSEY...NEW YORK CITY AND LONG ISLAND...

* AFFECTED AREA...NORTHEASTERN NEW JERSEY...NEW YORK CITY AND 
  LONG ISLAND.

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

* RELATIVE HUMIDITY...LOWERING TO 25 TO 30 PERCENT.

* TIMING...LOWEST RELATIVE HUMIDITY AND STRONGEST WINDS ARE 
  EXPECTED THIS AFTERNOON. 

* IMPACTS...THE FIRE RISK WILL BE ELEVATED DUE TO DRY 
  CONDITIONS...AND GUSTY WEST WINDS. AS A RESULT...ANY FIRES 
  THAT START MAY QUICKLY SPREAD. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE A SIGNIFICANTLY
ELEVATED FIRE GROWTH POTENTIAL.

&&

$$
972 
WWUS81 KOKX 101935
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
335 PM EDT TUE APR 10 2012

NJZ002-004-006-103>108-NYZ072>075-078>081-176>179-110000-
/O.CON.KOKX.FW.W.0006.000000T0000Z-120411T0000Z/
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
335 PM EDT TUE APR 10 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR NORTHEAST NEW JERSEY...NEW YORK CITY...AND LONG ISLAND...

* AFFECTED AREA...NORTHEASTERN NEW JERSEY...NEW YORK CITY AND 
  LONG ISLAND. 

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 26 PERCENT.

* TIMING...LOWEST RELATIVE HUMIDITY AND STRONGEST WINDS ARE 
  EXPECTED INTO EARLY THIS EVENING.

* IMPACTS...THE FIRE RISK WILL BE ELEVATED DUE TO DRY 
  CONDITIONS...AND GUSTY WEST WINDS. AS A RESULT...ANY FIRES 
  THAT START MAY QUICKLY SPREAD. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE A SIGNIFICANTLY
ELEVATED FIRE GROWTH POTENTIAL.

&&

$$
991 
WWUS81 KOKX 102326
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
726 PM EDT TUE APR 10 2012

...RED FLAG WARNING IS CANCELLED...


NJZ002-004-006-103>108-NYZ072>075-078>081-176>179-110030-
/O.CAN.KOKX.FW.W.0006.000000T0000Z-120411T0000Z/
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-
KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-
NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
726 PM EDT TUE APR 10 2012

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN UPTON HAS CANCELLED THE RED FLAG
WARNING.

RELATIVE HUMIDITY LEVELS WILL CONTINUE TO REMAIN ABOVE 30
PERCENT TONIGHT...AND FREQUENT WIND GUSTS OF AT LEAST 25 MPH ARE
NOT EXPECTED FOR THE REST OF THE NIGHT TONIGHT.

$$

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 10:35 PM EDTSmall Craft Advisory for Hazardous SeasOKX6 hr
Apr 10, 4:16 AM EDTSmall Craft AdvisoryOKX11 hr

Nearby

Red Flag Warnings in New Jersey, 2012Red Flag Warnings in New York, 2012Every red flag warning in 2012

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.