Alert archive / Massachusetts / Red Flag Warnings in 2015
Red Flag Warning 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at May 10, 2015, 9:06 AM EDT for 6 counties in Massachusetts. It took effect at May 10, 2015, 1:00 PM EDT. It was in force for 7 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 10, 2015, 9:06 AM EDT (13:06 UTC)
- In effect from
- May 10, 2015, 1:00 PM EDT
- Expired
- May 10, 2015, 7:55 PM EDT
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
Counties Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 89 km from the middle of the area, began a volume at 13:11 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
Albany, NY (KALY), launched 12:00Z, 1.1 hours before the alert went out and 152 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
- 849 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
509 WWUS81 KBOX 101306 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 906 AM EDT SUN MAY 10 2015 MAZ002>006-008>012-026-102115- /O.NEW.KBOX.FW.W.0004.150510T1700Z-150511T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 906 AM EDT SUN MAY 10 2015 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING FOR MUCH OF INTERIOR MASSACHUSETTS FROM THE SLOPES OF THE BERKSHIRES TO THE MERRIMACK VALLEY. THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. * AFFECTED AREA...FRANKLIN...HAMPSHIRE...HAMPDEN...WORCESTER... NORTHERN AND CENTRAL MIDDLESEX...AND WESTERN ESSEX COUNTIES IN MASSACHUSETTS. * WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS FROM 20-25 MPH. ISOLATED GUSTS TO 30 MPH POSSIBLE. * TIMING...WINDS WILL BECOME MOST GUSTY BETWEEN 3 PM AND 7 PM THIS AFTERNOON AND EARLY EVENING. * RELATIVE HUMIDITY...AS LOW AS 33 PERCENT. * TEMPERATURES...HIGHS WILL REACH THE MID AND UPPER 80S. * LIGHTNING...DRY CONDITIONS ARE EXPECTED MOST OF THE DAY. HOWEVER THERE IS A CHANCE OF A SHOWER OR THUNDERSTORM IN NORTHWEST AND NORTH CENTRAL MA LATE THIS AFTERNOON AND EVENING. * IMPACTS...PERSISTENT DRY WEATHER AND GUSTY WINDS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. ANY FIRES THAT START MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH. && $$ FIELD FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
2 follow-up statements
189 WWUS81 KBOX 101953 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 353 PM EDT SUN MAY 10 2015 MAZ002>006-008>012-026-110000- /O.CON.KBOX.FW.W.0004.000000T0000Z-150511T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 353 PM EDT SUN MAY 10 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR MUCH OF INTERIOR MASSACHUSETTS FROM THE EAST SLOPES OF THE BERKSHIRES TO THE MERRIMACK VALLEY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. * AFFECTED AREA...FRANKLIN...HAMPSHIRE...HAMPDEN...WORCESTER... NORTHERN AND CENTRAL MIDDLESEX...AND WESTERN ESSEX COUNTIES IN MASSACHUSETTS. * WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. * TIMING...WINDS WILL BECOME MOST GUSTY UNTIL 7 PM THIS EVENING. * RELATIVE HUMIDITY...AS LOW AS 33 PERCENT. * TEMPERATURES...HIGHS WILL BE IN THE MID 80S TO AROUND 90. * LIGHTNING...DRY CONDITIONS ARE EXPECTED THROUGH EVENING. HOWEVER THERE IS A CHANCE OF A SHOWER OR THUNDERSTORM IN NORTHWEST AND NORTH CENTRAL MA THROUGH EVENING. * IMPACTS...DRY WEATHER AND GUSTY WINDS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. ANY FIRES THAT START MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH. && $$ FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
466 WWUS81 KBOX 102355 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 755 PM EDT SUN MAY 10 2015 MAZ002>006-008>012-026-110100- /O.CAN.KBOX.FW.W.0004.000000T0000Z-150511T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 755 PM EDT SUN MAY 10 2015 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED FLAG WARNING. WINDS WERE DIMINISHING AND RELATIVE HUMIDITY VALUES WERE INCREASING ABOVE 40 PERCENT. THEREFORE...THE RED FLAG WARNING HAS BEEN CANCELLED. $$ FRANK FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 3:46 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 12 hr | |
| May 10, 3:57 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 18 hr |
| May 10, 7:59 PM EDT | Special Weather Statement | BOX | Franklin | 31 min |
Nearby
Red Flag Warnings in Massachusetts, 2015Every red flag warning in 2015
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.