Alert archive / Massachusetts / Red Flag Warnings in 2007

Red Flag Warning 7, NWS Boston/Norton, MA

May 8, 200710 counties in Massachusetts; Providence County, Rhode Island

NWS Boston/Norton, MA issued this red flag warning at May 8, 2007, 3:43 AM EDT for 10 counties in Massachusetts; Providence County, Rhode Island. It took effect at May 8, 2007, 10:05 AM EDT. It was in force for 10 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 8, 2007, 3:43 AM EDT (07:43 UTC)
In effect from: May 8, 2007, 10:05 AM EDT
Expired: May 8, 2007, 8:00 PM EDT
In force: 10 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 07:44 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, 7.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2740 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 63 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 080743
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
343 AM EDT TUE MAY 8 2007

MAZ002>008-010-013>019-026-NHZ011-012-015-081545-
/O.UPG.KBOX.FW.A.0009.070508T1500Z-070509T0000Z/
/O.NEW.KBOX.FW.W.0007.070508T1500Z-070509T0000Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN HAMPSHIRE MA-EASTERN HAMPSHIRE 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-
343 AM EDT TUE MAY 8 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

THE RED FLAG WARNING IS IN EFFECT FOR CHESHIRE AND HILLSBOROUGH
COUNTIES OF NEW HAMPSHIRE AND FOR MUCH OF MASSACHUSETTS...INCLUDING
THE GREATER BOSTON AREA.

MINIMUM AFTERNOON RELATIVE HUMIDITIES WILL DROP TO BETWEEN 15 TO 25
PERCENT ACROSS THE REGION THIS AFTERNOON. SOUTHWEST WINDS OF 15 TO 20
MPH WITH A FEW GUSTS TO 25 MPH ARE EXPECTED TO DEVELOP DURING THE
AFTERNOON AND COMBINE WITH THE VERY DRY WEATHER OF THE PAST 10 DAYS.
THE STRONGEST WINDS WILL BE LOCATED ACROSS EASTERN MASSACHUSETTS. 

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.

$$

NOCERA

3 follow-up statements

000 
WWUS81 KBOX 081405
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1005 AM EDT TUE MAY 8 2007

MAZ009-011-012-RIZ001-002-082215-
/O.EXA.KBOX.FW.W.0007.070508T1500Z-070509T0000Z/
WESTERN HAMPDEN MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
1005 AM EDT TUE MAY 8 2007

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

THE RED FLAG WARNING HAS BEEN EXPANDED TO INCLUDE HAMPDEN AND
SOUTHERN WORCESTER COUNTIES IN MASSACHUSETTS AS WELL AS PROVIDENCE
COUNTY IN RHODE ISLAND.

RELATIVE HUMIDITIES WILL DROP TO BETWEEN 15 AND 25 PERCENT THIS
AFTERNOON. SOUTHWEST WINDS WILL INCREASE TO AROUND 15 MPH WITH A FEW
GUSTS TO 25 MPH.

THESE CONDITIONS WILL COMBINE WITH THE VERY DRY WEATHER OF THE PAST
TEN DAYS TO LEAD TO RED FLAG CONDITIONS.

$$

MAZ002>008-010-013>019-026-NHZ011-012-015-082215-
/O.CON.KBOX.FW.W.0007.070508T1500Z-070509T0000Z/
WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-
CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA-
WESTERN HAMPSHIRE MA-EASTERN HAMPSHIRE 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-
1005 AM EDT TUE MAY 8 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

THE RED FLAG WARNING IS IN EFFECT FOR CHESHIRE AND HILLSBOROUGH
COUNTIES OF NEW HAMPSHIRE AND FOR MOST OF MASSACHUSETTS...INCLUDING
THE GREATER BOSTON AREA.

MINIMUM AFTERNOON RELATIVE HUMIDITIES WILL DROP TO BETWEEN 15 TO
25 PERCENT THIS AFTERNOON. SOUTHWEST WINDS WILL INCREASE TO AROUND
15 MPH WITH A FEW GUSTS TO 25 MPH.

THESE CONDITIONS WILL COMBINE WITH THE VERY DRY WEATHER OF THE PAST
TEN DAYS TO LEAD TO RED FLAG CONDITIONS.

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.

$$

JWD

000 
WWUS81 KBOX 082046
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
446 PM EDT TUE MAY 8 2007

MAZ002>019-026-NHZ011-012-015-RIZ001-002-090000-
/O.CON.KBOX.FW.W.0007.000000T0000Z-070509T0000Z/
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-
446 PM EDT TUE MAY 8 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR SOUTHWEST NEW HAMPSHIRE...ALL OF MASSACHUSETTS EXCEPT THE
SOUTH COAST...AND NORTHERN RHODE ISLAND.

HUMIDITY VALUES HAVE DROPPED TO BETWEEN 10 AND 20 PERCENT LATE
THIS AFTERNOON...WITH SOUTHWEST WINDS GUSTING TO 25 MPH. THESE
CONDITIONS COMBINED WITH THE VERY DRY WEATHER OF THE PAST TEN DAYS
WOULD LEAD TO RAPID FIRE GROWTH AND SPREAD SHOULD BRUSH FIRES
DEVELOP.

CONDITIONS WILL BEGIN TO RECOVER THIS EVENING AS HUMIDITY LEVELS
SLOWLY INCREASE AND WINDS DIMINISH.

$$

JWD

000 
WWUS81 KBOX 082334
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
734 PM EDT TUE MAY 8 2007


MAZ002>019-026-NHZ011-012-015-RIZ001-002-090045-
/O.EXP.KBOX.FW.W.0007.000000T0000Z-070509T0000Z/
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-
734 PM EDT TUE MAY 8 2007

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE ON TIME AT 8 PM EDT THIS EVENING FOR
SOUTHERN NEW HAMPSHIRE...MUCH OF MASSACHUSETTS...AS WELL AS NORTHERN
RHODE ISLAND.

WIND GUSTS WILL DIMINISH BELOW 25 MPH AND RELATIVE HUMIDITIES WILL
RISE TO ABOVE 30 PERCENT EARLY THIS EVENING.  THEREFORE...THE RED
FLAG WARNING WILL EXPIRE ON TIME AT 8 PM.

$$

FRANK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 8:22 PM EDT	Frost Advisory	BOX	Bristol, Dukes, Norfolk, Plymouth	7 hr

Nearby

Red Flag Warnings in Massachusetts, 2007 Red Flag Warnings in Rhode Island, 2007 Red Flag Warnings in New Hampshire, 2007 Every red flag warning in 2007

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.