Alert archive / Massachusetts / Red Flag Warnings in 2008

Red Flag Warning 4, NWS Boston/Norton, MA

May 29, 200810 counties in Massachusetts; Providence County, Rhode Island

NWS Boston/Norton, MA issued this red flag warning at May 29, 2008, 4:46 AM EDT for 10 counties in Massachusetts; Providence County, Rhode Island. It took effect at May 29, 2008, 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 29, 2008, 4:46 AM EDT (08:46 UTC)
In effect from
May 29, 2008, 12:00 PM EDT
Expired
May 29, 2008, 6:00 PM EDT
In force
6 hr
Issued by
NWS Boston/Norton, MA

Counties 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, Providence County, RI

The radar

The Boston radar (KBOX), 50 km from the middle of the area, began a volume at 08:48 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

Chatham, MA (KCHH), launched 00:00Z, 8.8 hours before the alert went out and 150 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 2008-05-29Temperature 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 2008-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1627 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
79 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 290846
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
446 AM EDT THU MAY 29 2008

MAZ002>005-008-010-012-013-026-NHZ011-012-015-291700-
/O.UPG.KBOX.FW.A.0004.080529T1600Z-080529T2300Z/
/O.NEW.KBOX.FW.W.0004.080529T1600Z-080529T2200Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN HAMPSHIRE MA-EASTERN HAMPSHIRE MA-
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
446 AM EDT THU MAY 29 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
AFTERNOON...

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 THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

THE WARNING COVERS MOST OF MASSACHUSETTS EXCEPT THE SOUTHEAST COASTAL
REGION AND BERKSHIRES.  THE WARNING ALSO COVERS NORTHERN RHODE ISLAND
AND SOUTH CENTRAL NEW HAMPSHIRE.  

ALTHOUGH A FEW SPOTS RECEIVED A HALF INCH OR MORE OF RAIN ON
TUESDAY...THE HEAVIER RAINFALL WAS NOT WIDESPREAD.

SUBSEQUENT TO TUESDAYS THUNDERSTORMS...EXCELLENT DRYING OCCURRED
WITH WEDNESDAY AFTERNOON HUMIDITY DOWN TO NEAR 20 PERCENT UNDER
BRIGHT SUNSHINE.

THE FORECAST FOR THIS AFTERNOON INDICATES RELATIVE HUMIDITIES
LOWERING AGAIN NEAR OR JUST BELOW 20 PERCENT IN THE WARNING AREA.

WESTERLY WINDS WILL GUST BETWEEN 25 AND 30 MPH AT TIMES THIS
AFTERNOON WITH BRILLIANT SUNSHINE ALL DAY.

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.

$$

MAZ006-007-009-011-014>019-RIZ001-002-291700-
/O.NEW.KBOX.FW.W.0004.080529T1600Z-080529T2200Z/
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPDEN MA-
EASTERN HAMPDEN MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-
446 AM EDT THU MAY 29 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
AFTERNOON. 

THIS SEGMENT OF THE WARNING WAS NOT COVERED BY A WATCH YESTERDAY.
OTHERWISE THE INFORMATION HEREIN IS NO DIFFERENT THAN THAT FOUND IN
THE PREVIOUS SEGMENT.

ALTHOUGH A FEW SPOTS RECEIVED A HALF INCH OR MORE OF RAIN ON
TUESDAY...THE HEAVIER RAINFALL WAS NOT WIDESPREAD.

SUBSEQUENT TO TUESDAYS THUNDERSTORMS...EXCELLENT DRYING OCCURRED
WITH WEDNESDAY AFTERNOON HUMIDITY DOWN TO NEAR 20 PERCENT UNDER
BRIGHT SUNSHINE.

THE FORECAST FOR THIS AFTERNOON INDICATES RELATIVE HUMIDITIES
LOWERING AGAIN NEAR OR JUST BELOW 20 PERCENT IN THE WARNING AREA.

WESTERLY WINDS WILL GUST BETWEEN 25 AND 30 MPH AT TIMES THIS
AFTERNOON WITH BRILLIANT SUNSHINE ALL DAY.

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.

$$


DRAG
1 follow-up statement
000 
WWUS81 KBOX 291403
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1003 AM EDT THU MAY 29 2008

MAZ002>019-026-NHZ011-012-015-RIZ001-002-292200-
/O.CON.KBOX.FW.W.0004.080529T1600Z-080529T2200Z/
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-
1003 AM EDT THU MAY 29 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. 

ALTHOUGH A FEW SPOTS RECEIVED A HALF INCH OR MORE OF RAIN ON
TUESDAY...THE HEAVIER RAINFALL WAS NOT WIDESPREAD.

SUBSEQUENT TO TUESDAYS THUNDERSTORMS...EXCELLENT DRYING OCCURRED
WITH WEDNESDAY AFTERNOON HUMIDITY DOWN TO NEAR 20 PERCENT UNDER
BRIGHT SUNSHINE.

THE FORECAST FOR THIS AFTERNOON INDICATES RELATIVE HUMIDITIES
LOWERING AGAIN NEAR OR JUST BELOW 20 PERCENT IN THE WARNING AREA.

WESTERLY WINDS WILL GUST BETWEEN 25 AND 30 MPH AT TIMES THIS
AFTERNOON WITH BRILLIANT SUNSHINE ALL DAY.

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 New Hampshire, 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.