Alert archive / New Jersey / Red Flag Warnings in 2015

Red Flag Warning 2, NWS New York, NY

April 18, 20155 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this red flag warning at Apr 18, 2015, 3:49 AM EDT for 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Apr 18, 2015, 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
Apr 18, 2015, 3:49 AM EDT (07:49 UTC)
In effect from
Apr 18, 2015, 12:00 PM EDT
Expired
Apr 18, 2015, 8:00 PM EDT
In force
8 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ

The radar

The Brookhaven radar (KOKX), 63 km from the middle of the area, began a volume at 07:46 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, 7.8 hours before the alert went out and 63 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 2015-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 joules per kilogram.LCLLFCEL10008507005003002001001 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 2015-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897Sfc1 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
35 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
149 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.

034 
WWUS81 KOKX 180749
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
349 AM EDT SAT APR 18 2015

...ENHANCED RISK OF WILDFIRE SPREAD LATER TODAY...

CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-
181600-
/O.UPG.KOKX.FW.A.0001.150418T1600Z-150419T0000Z/
/O.NEW.KOKX.FW.W.0002.150418T1600Z-150419T0000Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
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-
349 AM EDT SAT APR 18 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR THE TRI-STATE AREA...

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A RED FLAG
WARNING FOR THE TRI-STATE AREA...WHICH IS IN EFFECT FROM NOON
TODAY TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...NORTHEAST NJ...NYC METRO...LONG ISLAND...
  SOUTHERN CT...AND LOWER HUDSON VALLEY.

* WINDS...SUSTAINED WINDS 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 30 PERCENT.

* TIMING...12 PM TO 8 PM TODAY.

* IMPACTS...RAPID FIRE SPREAD IF IGNITION OCCURS. A WIND SHIFT IS
  EXPECTED BY THIS EVENING THAT MAY CREATE ADDITIONAL HAZARDS FOR
  ANY ONGOING FIRES.

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
150 
WWUS81 KOKX 181550
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
1150 AM EDT SAT APR 18 2015

...ENHANCED RISK OF WILDFIRE SPREAD INTO THIS EVENING ACROSS THE
TRI-STATE...

CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-
190000-
/O.CON.KOKX.FW.W.0002.150418T1600Z-150419T0000Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-WESTERN PASSAIC-
EASTERN PASSAIC-HUDSON-WESTERN BERGEN-EASTERN BERGEN-
WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-EASTERN UNION-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-
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-
1150 AM EDT SAT APR 18 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR THE TRI-STATE AREA...

* AFFECTED AREA...NEW YORK CITY...NORTHEAST NEW JERSEY...THE LOWER
  HUDSON VALLEY...SOUTHERN CONNECTICUT...AND LONG ISLAND.

* WINDS...SUSTAINED WINDS 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 30 PERCENT.

* TIMING...THROUGH 8 PM THIS EVENING.

* IMPACTS...RAPID FIRE SPREAD IF IGNITION OCCURS. A WIND SHIFT 
  IS EXPECTED BY THIS EVENING THAT MAY CREATE ADDITIONAL HAZARDS 
  FOR ANY ONGOING FIRES.

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.

&&

$$

MALOIT
067 
WWUS81 KOKX 182126
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
526 PM EDT SAT APR 18 2015

...ENHANCED RISK OF WILDFIRE SPREAD INTO THIS EVENING ACROSS MUCH
OF THE TRI-STATE...

CTZ008>012-NYZ075-078>081-176>179-182230-
/O.CAN.KOKX.FW.W.0002.000000T0000Z-150419T0000Z/
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-KINGS (BROOKLYN)-
NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-
SOUTHEASTERN SUFFOLK-NORTHERN QUEENS-NORTHERN NASSAU-
SOUTHERN QUEENS-SOUTHERN NASSAU-
526 PM EDT SAT APR 18 2015

...RED FLAG WARNING IS CANCELLED FOR COASTAL CONNECTICUT AND LONG
ISLAND...

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

DUE TO A SEA BREEZE...TEMPERATURES HAVE FALLEN AND HUMIDITY LEVELS
HAVE RISEN. AS SUCH...THE RED FLAG WARNING HAS BEEN CANCELLED.

$$

CTZ005>007-NJZ002-004-006-103>108-NYZ067>074-190000-
/O.CON.KOKX.FW.W.0002.000000T0000Z-150419T0000Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-
SOUTHERN WESTCHESTER-NEW YORK (MANHATTAN)-BRONX-
RICHMOND (STATEN ISLAND)-
526 PM EDT SAT APR 18 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR PORTIONS OF NEW YORK CITY...NORTHEAST NEW JERSEY...THE LOWER
HUDSON VALLEY OF NEW YORK...AND MUCH OF INTERIOR SOUTHERN
CONNECTICUT...

* AFFECTED AREA...PORTIONS OF NEW YORK CITY...NORTHEAST NEW
  JERSEY...THE LOWER HUDSON VALLEY...AND MUCH OF INTERIOR SOUTHERN
  CONNECTICUT.

* WINDS...SUSTAINED WINDS 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 30 PERCENT.

* TIMING...THROUGH 8 PM THIS EVENING.

* IMPACTS...RAPID FIRE SPREAD IF IGNITION OCCURS. A WIND SHIFT 
  IS EXPECTED BY THIS EVENING THAT MAY CREATE ADDITIONAL HAZARDS 
  FOR ANY ONGOING FIRES.

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.

&&

$$
319 
WWUS81 KOKX 190009
RFWOKX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
809 PM EDT SAT APR 18 2015

...CONDITIONS IMPROVING...

CTZ005>007-NJZ002-004-006-103>108-NYZ067>074-190115-
/O.EXP.KOKX.FW.W.0002.000000T0000Z-150419T0000Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-ORANGE-PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-
SOUTHERN WESTCHESTER-NEW YORK (MANHATTAN)-BRONX-
RICHMOND (STATEN ISLAND)-
809 PM EDT SAT APR 18 2015

...RED FLAG WARNING HAS EXPIRED...

THERE COULD BE SOME GUSTY NORTHWEST WIND EARLY THIS
EVENING BEHIND A COLD FRONT...HOWEVER...CONDITIONS CONTINUE TO
IMPROVE WITH THE WIND DIMINISHING AND RELATIVE HUMIDITY LEVELS
RISING. THE RED FLAG WARNING WAS ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 3:19 PM EDTSmall Craft AdvisoryOKX7 days

Nearby

Red Flag Warnings in New Jersey, 2015Red Flag Warnings in Connecticut, 2015Red Flag Warnings in New York, 2015Every red flag warning in 2015

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.