Alert archive / Connecticut / Red Flag Warnings in 2007

Red Flag Warning 3, NWS New York, NY

May 6, 2007Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut; Passaic County, New Jersey

NWS New York, NY issued this red flag warning at May 6, 2007, 4:02 AM EDT for Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut; Passaic County, New Jersey. It took effect at May 6, 2007, 8:00 AM EDT. It was in force for 6 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
May 6, 2007, 4:02 AM EDT (08:02 UTC)
In effect from
May 6, 2007, 8:00 AM EDT
Expired
May 6, 2007, 2:00 PM EDT
In force
6 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT, Passaic County, NJ

The radar

The Brookhaven radar (KOKX), 72 km from the middle of the area, began a volume at 08:07 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 72 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 2007-05-06Temperature 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 2007-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939587897117Sfc1 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
2558 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
97 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.

000 
WWUS81 KOKX 060802
RFWOKX

RED FLAG WARNING
NATIONAL WEATHER SERVICE UPTON NY
402 AM EDT SUN MAY 6 2007

...RED FLAG WARNING THIS MORNING INTO EARLY THIS AFTERNOON FOR
INTERIOR PORTIONS OF THE LOWER HUDSON VALLEY...NORTHWEST PORTIONS
OF SOUTHERN CONNECTICUT...AND WESTERN PASSAIC COUNTY IN NEW
JERSEY...

.A TIGHT PRESSURE GRADIENT AHEAD OF STRONG HIGH PRESSURE BUILDING
SOUTH FROM ONTARIO CANADA WILL RESULT IN GUSTY NORTH TO NORTHEAST
WINDS THIS MORNING. THESE WINDS WILL BE COUPLED WITH LOW HUMIDITY
AND DRY FUELS ACROSS THE WARNED AREA.

CTZ005-006-NJZ002-NYZ067>070-061800-
/O.NEW.KOKX.FW.W.0003.070506T1200Z-070506T1800Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-WESTERN PASSAIC-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-
402 AM EDT SUN MAY 6 2007

...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT
THIS AFTERNOON. 

NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS UP TO 30 MPH
WILL CONTINUE TO USHER IN A DRY AIRMASS INTO THE AREA THIS MORNING.
AS TEMPERATURES WARM INTO THE LOWER 50S ACROSS THE WARNED AREA
AFTER SUNRISE...RELATIVE HUMIDITY VALUES WILL DROP TO BETWEEN 20
AND 30 PERCENT. THE GUSTY WINDS AND DRY AIRMASS...IN COMBINATION
WITH LOW FUEL MOISTURES...WARRANTS THE RED FLAG WARNING FOR
INTERIOR PORTIONS OF THE LOWER HUDSON VALLEY...NORTHWEST PORTIONS
OF SOUTHERN CONNECTICUT...AND WESTERN PASSAIC COUNTY IN NEW
JERSEY. WINDS WILL BEGIN TO SUBSIDE EARLY THIS
AFTERNOON...LESSENING THE FIRE DANGER.

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 3:59 AM EDTFrost AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region28 hr

Nearby

Red Flag Warnings in Connecticut, 2007Red Flag Warnings in New Jersey, 2007Red Flag Warnings in New York, 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.