Alert archive / Massachusetts / Red Flag Warnings in 2012

Red Flag Warning 6, NWS Boston/Norton, MA

April 7, 20125 counties in Massachusetts; Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this red flag warning at Apr 7, 2012, 3:44 AM EDT for 5 counties in Massachusetts; Capitol Planning Region, Connecticut. It took effect at Apr 7, 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 7, 2012, 3:44 AM EDT (07:44 UTC)
In effect from
Apr 7, 2012, 10:00 AM EDT
Expired
Apr 7, 2012, 7:00 PM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 102 km from the middle of the area, began a volume at 07:48 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

Albany, NY (KALY), launched 00:00Z, 7.7 hours before the alert went out and 134 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, Albany, NY at 00:00Z on 2012-04-07Temperature 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, Albany, NY at 00:00Z on 2012-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
2751 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
75 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.

013 
WWUS81 KBOX 070744
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
344 AM EDT SAT APR 7 2012

...CRITICAL FIRE WEATHER CONDITIONS FOR TODAY ACROSS INTERIOR
MASSACHUSETTS AND ACROSS NORTH CENTRAL CONNECTICUT...

MAZ002>005-008>012-026-071545-
/O.UPG.KBOX.FW.A.0006.120407T1400Z-120407T2300Z/
/O.NEW.KBOX.FW.W.0006.120407T1400Z-120407T2300Z/
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-
344 AM EDT SAT APR 7 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT
THIS EVENING FOR INTERIOR MASSACHUSETTS...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING FOR INTERIOR MASSACHUSETTS...WHICH IS IN EFFECT FROM 10
AM THIS MORNING TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FRANKLIN-WORCESTER-HAMPSHIRE-HAMPDEN-MIDDLESEX
  COUNTIES IN MASSACHUSETTS.

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

* TIMING...FROM LATE MORNING THROUGH EARLY EVENING

* RELATIVE HUMIDITY...AS LOW AS 21 PERCENT.

* TEMPERATURES...IN THE MID 40S.

* IMPACTS...ANY FIRES THAT DEVELOP TODAY WILL HAVE THE POTENTIAL
  TO SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE AN ELEVATED
FIRE SPREAD POTENTIAL.

&&

$$

CTZ002-003-071545-
/O.NEW.KBOX.FW.W.0006.120407T1400Z-120407T2300Z/
HARTFORD CT-TOLLAND CT-
344 AM EDT SAT APR 7 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT
THIS EVENING FOR NORTH CENTRAL CONNECTICUT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING FOR NORTH CENTRAL CONNECTICUT...WHICH IS IN EFFECT FROM
10 AM THIS MORNING TO 7 PM EDT THIS EVENING.

* AFFECTED AREA...HARTFORD AND TOLLAND COUNTIES IN CONNECTICUT.

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

* TIMING...FROM LATE MORNING THROUGH EARLY EVENING

* RELATIVE HUMIDITY...AS LOW AS 19 PERCENT.

* TEMPERATURES...AROUND 50.

* IMPACTS...ANY FIRES THAT DEVELOP TODAY WILL HAVE THE POTENTIAL
  TO SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE AN ELEVATED
FIRE SPREAD POTENTIAL.

&&

$$

DUNTEN
1 follow-up statement
394 
WWUS81 KBOX 071409
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1009 AM EDT SAT APR 7 2012

...CRITICAL FIRE WEATHER CONDITIONS FOR TODAY ACROSS INTERIOR
MASSACHUSETTS AND NORTH CENTRAL CONNECTICUT...

CTZ002-003-MAZ002>005-008>012-026-072215-
/O.CON.KBOX.FW.W.0006.000000T0000Z-120407T2300Z/
HARTFORD CT-TOLLAND CT-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-
1009 AM EDT SAT APR 7 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING
FOR INTERIOR MASSACHUSETTS AND NORTH CENTRAL CONNECTICUT...

* AFFECTED AREA...INTERIOR MASSACHUSETTS AND NORTH CENTRAL
  CONNECTICUT.  

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

* TIMING...THROUGH EARLY EVENING

* RELATIVE HUMIDITY...AS LOW AS 21 PERCENT.

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

* IMPACTS...ANY FIRES THAT DEVELOP TODAY WILL HAVE THE POTENTIAL 
  TO SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE AN ELEVATED
FIRE SPREAD POTENTIAL.

&&

$$

Nearby

Red Flag Warnings in Massachusetts, 2012Red Flag Warnings in Connecticut, 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.