Alert archive / Massachusetts / Red Flag Warnings in 2008

Red Flag Warning 1, NWS Boston/Norton, MA

April 24, 200810 counties in Massachusetts; Kent County, Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this red flag warning at Apr 24, 2008, 4:28 AM EDT for 10 counties in Massachusetts; Kent County, Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Apr 24, 2008, 10:00 AM 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 24, 2008, 4:28 AM EDT (08:28 UTC)
In effect from
Apr 24, 2008, 10:00 AM EDT
Expired
Apr 24, 2008, 6:00 PM EDT
In force
8 hr
Issued by
NWS Boston/Norton, MA

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol 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, Kent County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 08:28 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, 8.5 hours before the alert went out and 153 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 2008-04-24Temperature 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, Chatham, MA at 00:00Z on 2008-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 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
1948 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
26 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 KBOX 240828
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
428 AM EDT THU APR 24 2008

CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>004-241630-
/O.UPG.KBOX.FW.A.0001.080424T1400Z-080424T2100Z/
/O.NEW.KBOX.FW.W.0001.080424T1400Z-080424T2200Z/
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-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
428 AM EDT THU APR 24 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

THE WARNING AREA COVERS NORTHERN CONNECTICUT...SOUTHWEST AND SOUTH
CENTRAL NEW HAMPSHIRE...MOST OF MASSACHUSETTS AND NORTHERN RHODE
ISLAND.

AT THIS TIME...THE WARNING EXCLUDES SOUTHERN RHODE ISLAND AND SOUTH
COASTAL MASSACHUSETTS.

A COLD FRONT WILL PUSH OFF THE SOUTHERN NEW ENGLAND COAST BY MID
MORNING. WINDS WILL SHIFT TO THE NORTHWEST AND INCREASE TO AROUND 15
TO 20 MPH. WIND GUSTS TO AROUND 25 MPH ARE EXPECTED TO DEVELOP BY
MIDDAY. DRIER AIR WILL FILTER INTO THE REGION...WITH RELATIVE
HUMIDITIES DROPPING TO BETWEEN 15 AND 25 PERCENT EARLY THIS
AFTERNOON. THE COMBINATION OF GUSTY WINDS AND LOW RELATIVE
HUMIDITIES WILL PRODUCE DANGEROUS FIRE WEATHER CONDITIONS.

THE GREATEST CONCERN IS FOR NORTHERN MASSACHUSETTS NORTH OF ROUTE 2
AND SOUTHWEST NEW HAMPSHIRE WHERE WINDS WILL BE THE STRONGEST.
HOWEVER...DUE TO THE VERY DRY CONDITIONS OVER THE LAST 10 DAYS...
CRITICAL FIRE WEATHER CONDITIONS WILL LIKELY OCCUR ACROSS MANY
LOCATIONS WITHIN THE WARNING AREA.

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.

$$

VALLIER-TALBOT
1 follow-up statement
000 
WWUS81 KBOX 241705
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
105 PM EDT THU APR 24 2008

CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>004-242200-
/O.CON.KBOX.FW.W.0001.000000T0000Z-080424T2200Z/
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-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
105 PM EDT THU APR 24 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS
AFTERNOON. 

THE WARNING AREA COVERS NORTHERN CONNECTICUT...SOUTHWEST AND
SOUTH CENTRAL NEW HAMPSHIRE...ALL OF MASSACHUSETTS EXCEPT THE 
SOUTH COAST AND NORTHERN RHODE ISLAND.

WINDS WILL BLOW FROM THE NORTHWEST AND INCREASE TO AROUND 15 TO 20
MPH. WIND GUSTS TO AROUND 25 MPH ARE LIKELY THIS AFTERNOON. DRIER AIR 
WILL FILTER INTO THE REGION...WITH RELATIVE HUMIDITIES DROPPING TO
BETWEEN 15 AND 25 PERCENT EARLY THIS AFTERNOON. THE COMBINATION OF
GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL PRODUCE DANGEROUS FIRE
WEATHER CONDITIONS.

THE GREATEST CONCERN IS FOR NORTHERN MASSACHUSETTS NORTH OF ROUTE
2 AND SOUTHWEST NEW HAMPSHIRE WHERE WINDS WILL BE THE STRONGEST.
HOWEVER...DUE TO THE VERY DRY CONDITIONS OVER THE LAST 10 DAYS...
CRITICAL FIRE WEATHER CONDITIONS WILL LIKELY OCCUR ACROSS MANY
LOCATIONS WITHIN THE WARNING AREA.

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.

$$

Nearby

Red Flag Warnings in Massachusetts, 2008Red Flag Warnings in Rhode Island, 2008Red Flag Warnings in Connecticut, 2008Every red flag warning in 2008

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.