Alert archive / Massachusetts / Red Flag Warnings in 2009
Red Flag Warning 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at Apr 28, 2009, 4:26 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 28, 2009, 1:00 PM 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 28, 2009, 4:26 AM EDT (08:26 UTC)
- In effect from
- Apr 28, 2009, 1:00 PM EDT
- Expired
- Apr 28, 2009, 9:00 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 08:24 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, 8.4 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1595 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS81 KBOX 280826 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 426 AM EDT TUE APR 28 2009 MAZ017>021-RIZ002>007-280930- /O.CAN.KBOX.FW.A.0004.090428T1600Z-090429T0000Z/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-SOUTHEAST PROVIDENCE RI- WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI- NEWPORT RI- 426 AM EDT TUE APR 28 2009 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELED THE FIRE WEATHER WATCH. MUCH OF THE WATCH AREA IN SOUTHERN NEW ENGLAND HAS BEEN CONVERTED TO A RED FLAG WARNING. $$ CTZ002>004-MAZ002>016-026-NHZ011-012-015-RIZ001-281630- /O.UPG.KBOX.FW.A.0004.090428T1600Z-090429T0000Z/ /O.NEW.KBOX.FW.W.0004.090428T1700Z-090428T2200Z/ 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 MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- NORTHWEST PROVIDENCE RI- 426 AM EDT TUE APR 28 2009 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THIS WARNING COVERS MOST OF MASSACHUSETTS EXCEPT THE SOUTHEAST AND BERKSHIRES. IT ALSO COVERS THE NORTHWEST HILLS OF RHODE ISLAND... SOUTHWEST NEW HAMPSHIRE AND THE NORTHERN PARTS OF HARTFORD...TOLLAND AND WINDHAM COUNTIES. IT HAS BEEN ESSENTIALLY DRY SINCE WEDNESDAY WITH RECORD HEAT THIS PAST WEEKEND. SOUTHWEST WINDS ARE EXPECTED TO INCREASE CONSIDERABLY THIS AFTERNOON... GUSTING BETWEEN 25 AND 35 MPH FOR A TIME DURING MID OR LATE AFTERNOON. RECORD HEAT IS FORECAST ONCE AGAIN WITH HIGHS IN THE UPPER 80S TO LOWER 90S. THESE FACTORS COMBINED WITH AFTERNOON MINIMUM HUMIDITY OF 20 TO 25 PERCENT RANGE SETS THE STAGE FOR CONSIDERABLY ELEVATED FIRE SPREAD-GROWTH DANGER IN THE WARNING AREA. THE TARGET FOR HIGHEST TEMPERATURES...STRONGEST WINDS AND LOWEST HUMIDITY FAVORS THE INTERSTATE 95 CORRIDOR FROM MANCHESTER AND NASHUA THROUGH THE MERRIMACK VALLEY TO FRAMINGHAM...BEVERLY...BOSTON AND THE BLUE HILLS. THERE IS A LOW PROBABILITY THAT THE WARNING MAY NEED TO BE EXPANDED INTO PROVIDENCE AND BROCKTON DURING A MIDDAY REVIEW. WINDS WILL BE SHIFTING TO GUSTY NORTHERLY THIS EVENING WITH GUSTS POSSIBLY TO 30 MPH EVEN THROUGH MIDNIGHT. 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ DRAG
2 follow-up statements
000 WWUS81 KBOX 281426 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1026 AM EDT TUE APR 28 2009 MAZ017>019-RIZ002>004-282200- /O.EXA.KBOX.FW.W.0004.090428T1700Z-090428T2200Z/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- 1026 AM EDT TUE APR 28 2009 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM EDT THIS EVENING. THIS WARNING COVERS INTERIOR SOUTHEAST MASSACHUSETTS FROM TAUNTON TO PLYMOUTH AND MUCH OF RHODE ISLAND AWAY FROM THE SOUTH COAST. IT HAS BEEN ESSENTIALLY DRY SINCE WEDNESDAY WITH RECORD HEAT THIS PAST WEEKEND. SOUTHWEST WINDS ARE EXPECTED TO INCREASE CONSIDERABLY THIS AFTERNOON...OCCASIONALLY GUSTING BETWEEN 25 AND 35 MPH. RECORD HEAT IS FORECAST ONCE AGAIN WITH HIGHS IN THE UPPER 80S TO LOWER 90S. THESE FACTORS COMBINED WITH AFTERNOON MINIMUM HUMIDITY NEAR 25 PERCENT SETS THE STAGE FOR CONSIDERABLY ELEVATED FIRE SPREAD-GROWTH DANGER IN THE WARNING AREA. WINDS WILL BE SHIFTING TO GUSTY NORTHERLY THIS EVENING WITH GUSTS POSSIBLY TO 30 MPH EVEN THROUGH MIDNIGHT. 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ CTZ002>004-MAZ002>016-026-NHZ011-012-015-RIZ001-282200- /O.CON.KBOX.FW.W.0004.090428T1700Z-090428T2200Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- NORTHWEST PROVIDENCE RI- 1026 AM EDT TUE APR 28 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING. THIS WARNING COVERS MOST OF MASSACHUSETTS...NORTHWEST RHODE ISLAND... SOUTHWEST NEW HAMPSHIRE AND THE NORTHERN PARTS OF HARTFORD...TOLLAND AND WINDHAM COUNTIES. IT HAS BEEN ESSENTIALLY DRY SINCE WEDNESDAY WITH RECORD HEAT THIS PAST WEEKEND. SOUTHWEST WINDS ARE EXPECTED TO INCREASE CONSIDERABLY THIS AFTERNOON...OCCASIONALLY GUSTING BETWEEN 25 AND 35 MPH. RECORD HEAT IS FORECAST ONCE AGAIN WITH HIGHS IN THE UPPER 80S TO LOWER 90S. THESE FACTORS COMBINED WITH AFTERNOON MINIMUM HUMIDITY OF 20 TO 25 PERCENT RANGE SETS THE STAGE FOR CONSIDERABLY ELEVATED FIRE SPREAD- GROWTH DANGER IN THE WARNING AREA. THE TARGET FOR HIGHEST TEMPERATURES...STRONGEST WINDS AND LOWEST HUMIDITY FAVORS THE INTERSTATE 95 CORRIDOR FROM MANCHESTER AND NASHUA THROUGH THE MERRIMACK VALLEY TO FRAMINGHAM...BEVERLY... BOSTON AND THE BLUE HILLS. WINDS WILL BE SHIFTING TO GUSTY NORTHERLY THIS EVENING WITH GUSTS POSSIBLY TO 30 MPH EVEN THROUGH MIDNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
000 WWUS81 KBOX 282016 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 416 PM EDT TUE APR 28 2009 CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>004-290100- /O.EXT.KBOX.FW.W.0004.000000T0000Z-090429T0100Z/ 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- 416 PM EDT TUE APR 28 2009 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM EDT THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 9 PM EDT THIS EVENING. THIS WARNING COVERS MOST OF MASSACHUSETTS AND RHODE ISLAND AWAY FROM THE SOUTH COAST...SOUTHWEST NEW HAMPSHIRE AND NORTHERN CONNECTICUT. GUSTY SOUTHWEST WINDS TO 30 MPH COMBINED WITH RELATIVE HUMIDITIES 15 TO 25 PERCENT AND HOT TEMPERATURES ARE RESULTING IN RED FLAG CONDITIONS IN THE WARNING AREA. RELATIVE HUMIDITIES WILL INCREASE EARLY THIS EVENING...BUT AN ABRUPT WIND SHIFT FROM SOUTHWEST TO NORTHWEST WITH GUSTS TO 35 MPH IS A CONCERN FOR ANY EXISTING FIRES THIS EVENING. 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 6:24 PM EDT | Marine Weather Statement | BOX | 30 hr |
Nearby
Red Flag Warnings in Massachusetts, 2009Red Flag Warnings in Rhode Island, 2009Red Flag Warnings in Connecticut, 2009Every red flag warning in 2009
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.