Alert archive / Connecticut / Red Flag Warnings in 2015

Red Flag Warning 2, NWS Boston/Norton, MA

April 18, 2015Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this red flag warning at Apr 18, 2015, 4:16 AM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, 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, 4:16 AM EDT (08:16 UTC)
In effect from
Apr 18, 2015, 12:00 PM EDT
Expired
Apr 18, 2015, 8:29 PM EDT
In force
8 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 95 km from the middle of the area, began a volume at 08:17 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, 8.3 hours before the alert went out and 117 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.

455 
WWUS81 KBOX 180816
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
416 AM EDT SAT APR 18 2015

MAZ002>005-008>012-026-RIZ001-180930-
/O.CAN.KBOX.FW.A.0001.150418T1600Z-150419T0000Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
416 AM EDT SAT APR 18 2015

...FIRE WEATHER WATCH IS CANCELLED...

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

PLEASE VIEW THE SPECIAL WEATHER STATEMENT ISSUED FOR ELEVATED FIRE
WEATHER POTENTIAL ACROSS CENTRAL AND EASTERN INTERIOR MA...AS WELL
AS NW RI. 

$$

CTZ002>004-181630-
/O.UPG.KBOX.FW.A.0001.150418T1600Z-150419T0000Z/
/O.NEW.KBOX.FW.W.0002.150418T1600Z-150419T0000Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
416 AM EDT SAT APR 18 2015

..THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING FOR PORTIONS OF NORTHERN CONNECTICUT...WHICH IS IN EFFECT
FROM NOON TODAY TO 8 PM EDT THIS EVENING...FOR ELEVATED FIRE
WEATHER POTENTIAL /RELATIVE HUMIDITIES AT OR BELOW 30 PERCENT AND
WIND GUSTS OF 25 MPH OR GREATER/. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...HARTFORD CT...TOLLAND CT AND WINDHAM CT.

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

* TIMING...NOON TO 8 PM TODAY. LOWEST RELATIVE HUMIDITY VALUES
  WILL OCCUR AROUND NOON THROUGH LATE-AFTERNOON...WHILE THE
  STRONGEST WINDS ARE EXPECTED DURING MID- TO LATE-AFTERNOON.

* RELATIVE HUMIDITY...AS LOW AS 22 PERCENT.

* TEMPERATURES...MID 60S TO LOWER 70S.

* IMPACTS...DRY WEATHER AND GUSTY WINDS WILL RESULT IN CRITICAL 
  FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.  ANY FIRES THAT START
MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH.

&&

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
2 follow-up statements
598 
WWUS81 KBOX 182310
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
710 PM EDT SAT APR 18 2015

CTZ002>004-190100-
/O.EXT.KBOX.FW.W.0002.000000T0000Z-150419T0100Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
710 PM EDT SAT APR 18 2015

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR
ELEVATED FIRE WEATHER POTENTIAL /RELATIVE HUMIDITIES AT OR BELOW
30 PERCENT AND WIND GUSTS OF 25 MPH OR GREATER/. 

* AFFECTED AREA...HARTFORD CT...TOLLAND CT AND WINDHAM CT.

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

* TIMING...FOR A COUPLE OF HOURS BEYOND SUNSET.

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

* TEMPERATURES...MID 60S TO LOWER 70S.

* IMPACTS...DRY WEATHER AND GUSTY WINDS WILL RESULT IN CRITICAL 
  FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.  ANY FIRES THAT START
MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH.

&&

$$


HTTP://WEATHER.GOV/BOX  /ALL LOWER CASE/
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

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WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
125 
WWUS81 KBOX 190029
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
829 PM EDT SAT APR 18 2015

CTZ002>004-190130-
/O.CAN.KBOX.FW.W.0002.000000T0000Z-150419T0100Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
829 PM EDT SAT APR 18 2015

...RED FLAG WARNING IS CANCELLED FOR PORTIONS OF NORTHERN
CONNECTICUT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED
FLAG WARNING. OVER THE NEXT HOUR...HUMIDITY VALUES SHOULD RISE
ABOVE THE 30 PERCENT THRESHOLD. WHILE WINDS ARE SUSTAINED CLOSE
TO 20 MPH WITH GUSTS AROUND 30 MPH...THEY SHOULD DROP OFF THRU
THE EVENING ALSO BELOW FIRE WEATHER THRESHOLDS.

$$

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

Nearby

Red Flag Warnings in Connecticut, 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.