Alert archive / Massachusetts / Red Flag Warnings in 2015

Red Flag Warning 6, NWS Boston/Norton, MA

May 13, 2015Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; 12 counties in Massachusetts; 5 counties in Rhode Island

NWS Boston/Norton, MA issued this red flag warning at May 13, 2015, 3:20 AM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; 12 counties in Massachusetts; 5 counties in Rhode Island. It took effect at May 13, 2015, 12:00 PM 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 13, 2015, 3:20 AM EDT (07:20 UTC)
In effect from
May 13, 2015, 12:00 PM EDT
Expired
May 13, 2015, 6:00 PM EDT
In force
6 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 32 km from the middle of the area, began a volume at 07:23 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

Chatham, MA (KCHH), launched 00:00Z, 7.3 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, Chatham, MA at 00:00Z on 2015-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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, Chatham, MA at 00:00Z on 2015-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
16 J/kg
Mixed-layer CIN
-243 J/kg
Mixed-layer LCL
1285 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
145 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.

033 
WWUS81 KBOX 130720
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
320 AM EDT WED MAY 13 2015

...ELEVATED FIRE WEATHER TODAY...

CTZ002>004-131530-
/O.UPG.KBOX.FW.A.0004.150513T1600Z-150513T2200Z/
/O.NEW.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
320 AM EDT WED MAY 13 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING FOR NORTHERN CONNECTICUT...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

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

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 28 PERCENT.

* TEMPERATURES...UPPER 60S.

* 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.

&&

$$

MAZ002>023-026-131530-
/O.UPG.KBOX.FW.A.0004.150513T1600Z-150513T2200Z/
/O.NEW.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHERN MIDDLESEX MA-
320 AM EDT WED MAY 13 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING FOR ALL OF MASSACHUSETTS EXCEPT NANTUCKET...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...WESTERN FRANKLIN MA...EASTERN FRANKLIN MA... 
  NORTHERN WORCESTER MA...CENTRAL MIDDLESEX MA...WESTERN ESSEX 
  MA... EASTERN ESSEX MA...WESTERN HAMPSHIRE MA...WESTERN 
  HAMPDEN MA... EASTERN HAMPSHIRE MA...EASTERN HAMPDEN MA...
  SOUTHERN WORCESTER MA...WESTERN NORFOLK MA...SOUTHEAST 
  MIDDLESEX MA...SUFFOLK MA... EASTERN NORFOLK MA...NORTHERN 
  BRISTOL MA...WESTERN PLYMOUTH MA... EASTERN PLYMOUTH MA...
  SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA...BARNSTABLE MA...
  DUKES MA AND NORTHERN MIDDLESEX MA.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 27 PERCENT.

* TEMPERATURES...IN THE 60S.

* 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.

&&

$$

RIZ001>007-131530-
/O.UPG.KBOX.FW.A.0004.150513T1600Z-150513T2200Z/
/O.NEW.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
320 AM EDT WED MAY 13 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING FOR ALL OF RHODE ISLAND EXCEPT BLOCK ISLAND...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE 
  RI...WESTERN KENT RI...EASTERN KENT RI...BRISTOL RI...
  WASHINGTON RI AND NEWPORT RI.

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

* TIMING...NOON TO 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 30 PERCENT.

* TEMPERATURES...UPPER 60S.

* 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.

&&

$$



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WWW.WEATHER.GOV/BOSTON

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3 follow-up statements
014 
WWUS81 KBOX 131402
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
1002 AM EDT WED MAY 13 2015

...ELEVATED FIRE WEATHER TODAY...

CTZ002>004-132200-
/O.CON.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
1002 AM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR NORTHERN CONNECTICUT...

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

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 6 PM.

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

* TEMPERATURES...UPPER 60S.

* 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.

&&

$$

MAZ002>023-026-132200-
/O.CON.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHERN MIDDLESEX MA-
1002 AM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR MOST OF MASSACHUSETTS...EXCEPT NANTUCKET...

* AFFECTED AREA...MOST OF MASSACHUSETTS...EXCEPT NANTUCKET

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 6 PM.

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

* TEMPERATURES...IN THE 60S.

* 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.

&&

$$

RIZ001>007-132200-
/O.CON.KBOX.FW.W.0006.150513T1600Z-150513T2200Z/
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
1002 AM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR MOST OF RHODE ISLAND...EXCEPT BLOCK ISLAND...

* AFFECTED AREA...MOST OF RHODE ISLAND...EXCEPT BLOCK ISLAND

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

* TIMING...NOON TO 6 PM.

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

* TEMPERATURES...UPPER 60S.

* 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
034 
WWUS81 KBOX 132001
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
401 PM EDT WED MAY 13 2015

...ELEVATED FIRE WEATHER TODAY...

CTZ002>004-132200-
/O.CON.KBOX.FW.W.0006.000000T0000Z-150513T2200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-
401 PM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR NORTHERN CONNECTICUT...

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

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TIMING...THROUGH 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 30 PERCENT.

* TEMPERATURES...UPPER 60S.

* 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.

&&

$$

MAZ002>023-026-132200-
/O.CON.KBOX.FW.W.0006.000000T0000Z-150513T2200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NORTHERN MIDDLESEX MA-
401 PM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR MOST OF MASSACHUSETTS...EXCEPT NANTUCKET...

* AFFECTED AREA...MOST OF MASSACHUSETTS...EXCEPT NANTUCKET.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TIMING...NOON TO 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 30 PERCENT.

* TEMPERATURES...IN THE 60S.

* 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.

&&

$$

RIZ001>007-132200-
/O.CON.KBOX.FW.W.0006.000000T0000Z-150513T2200Z/
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
401 PM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR MOST OF RHODE ISLAND...EXCEPT BLOCK ISLAND...

* AFFECTED AREA...MOST OF RHODE ISLAND...EXCEPT BLOCK ISLAND.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* TIMING...NOON TO 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 36 PERCENT.

* TEMPERATURES...UPPER 60S.

* 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
465 
WWUS81 KBOX 132203
RFWBOX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
603 PM EDT WED MAY 13 2015

CTZ002>004-MAZ002>023-026-RIZ001>007-132315-
/O.EXP.KBOX.FW.W.0006.000000T0000Z-150513T2200Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA-
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NORTHERN MIDDLESEX MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-
603 PM EDT WED MAY 13 2015

...RED FLAG WARNING HAS EXPIRED FOR ALL OF MASSACHUSETTS...
EXCEPT NANTUCKET...

WINDS WILL CONTINUE TO DIMINISH THIS EVENING. DRY CONDITIONS ARE
EXPECTED TO CONTINUE INTO THURSDAY. HOWEVER...WINDS WILL REMAIN
RELATIVELY LIGHT.

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 3:14 AM EDTFrost AdvisoryBOXBristol, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more28 hr

Nearby

Red Flag Warnings in Massachusetts, 2015Red Flag Warnings in Rhode Island, 2015Red 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.