Alert archive / Massachusetts / Red Flag Warnings in 2009
Red Flag Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at Apr 17, 2009, 4:11 AM EDT for 10 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; 5 counties in Rhode Island. It took effect at Apr 17, 2009, 12:00 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 17, 2009, 4:11 AM EDT (08:11 UTC)
- In effect from
- Apr 17, 2009, 12:00 PM EDT
- Expired
- Apr 17, 2009, 8:00 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, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 43 km from the middle of the area, began a volume at 08:11 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
Brookhaven, NY (KOKX), launched 00:00Z, 8.2 hours before the alert went out and 165 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
- 1698 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 80 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 170811 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 411 AM EDT FRI APR 17 2009 CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-171615- /O.UPG.KBOX.FW.A.0003.090417T1500Z-090417T2200Z/ /O.NEW.KBOX.FW.W.0003.090417T1600Z-090418T0000Z/ 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-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-BRISTOL RI-WASHINGTON RI-NEWPORT RI- 411 AM EDT FRI APR 17 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THIS WATCH COVERS ALL OF MASSACHUSETTS EXCEPT FOR THE BERKSHIRES... CAPE COD...MARTHAS VINEYARD AND NANTUCKET...ALL OF RHODE ISLAND EXCEPT FOR BLOCK ISLAND...ALL OF NORTHEAST CONNECTICUT...AND ALL OF SOUTHWEST NEW HAMPSHIRE. LOW MINIMUM RELATIVE HUMIDITIES...15 TO 25 PERCENT...AND WEST TO SOUTHWEST WIND GUSTS UP TO 30 MPH ARE EXPECTED TODAY. THESE FACTORS COMBINED WITH OUR RECENTLY DRY WEATHER WILL RESULT IN AN ELEVATED FIRE GROWTH POTENTIAL THIS AFTERNOON AND 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. && $$ BELK
2 follow-up statements
000 WWUS81 KBOX 170831 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 431 AM EDT FRI APR 17 2009 CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-171645- /O.CON.KBOX.FW.W.0003.090417T1600Z-090418T0000Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI- 431 AM EDT FRI APR 17 2009 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. THIS WARNING COVERS ALL OF MASSACHUSETTS EXCEPT FOR THE BERKSHIRES...CAPE COD...MARTHAS VINEYARD AND NANTUCKET...ALL OF RHODE ISLAND EXCEPT FOR BLOCK ISLAND...ALL OF NORTHEAST CONNECTICUT...AND ALL OF SOUTHWEST NEW HAMPSHIRE. LOW MINIMUM RELATIVE HUMIDITIES...15 TO 25 PERCENT...AND WEST TO SOUTHWEST WIND GUSTS UP TO 30 MPH ARE EXPECTED TODAY. THESE FACTORS COMBINED WITH OUR RECENTLY DRY WEATHER WILL RESULT IN AN ELEVATED FIRE GROWTH POTENTIAL THIS AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BELK
000 WWUS81 KBOX 171633 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1233 PM EDT FRI APR 17 2009 CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-180000- /O.CON.KBOX.FW.W.0003.000000T0000Z-090418T0000Z/ 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-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-BRISTOL RI-WASHINGTON RI-NEWPORT RI- 1233 PM EDT FRI APR 17 2009 ...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. THIS WARNING COVERS ALL OF MASSACHUSETTS EXCEPT FOR THE BERKSHIRES...CAPE COD...MARTHAS VINEYARD AND NANTUCKET...ALL OF RHODE ISLAND EXCEPT FOR BLOCK ISLAND...ALL OF NORTHEAST CONNECTICUT...AND ALL OF SOUTHWEST NEW HAMPSHIRE. LOW MINIMUM RELATIVE HUMIDITIES...15 TO 25 PERCENT...AND WEST TO SOUTHWEST WIND GUSTS UP TO 30 MPH ARE EXPECTED TODAY. THESE FACTORS COMBINED WITH OUR RECENTLY DRY WEATHER WILL RESULT IN AN ELEVATED FIRE GROWTH POTENTIAL THIS AFTERNOON AND 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. && $$
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.