Alert archive / Massachusetts / Red Flag Warnings in 2015
Red Flag Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at May 4, 2015, 3:56 AM EDT for 5 counties in Massachusetts. It took effect at May 4, 2015, 2:00 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 4, 2015, 3:56 AM EDT (07:56 UTC)
- In effect from
- May 4, 2015, 2:00 PM EDT
- Expired
- May 4, 2015, 7:52 PM EDT
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 102 km from the middle of the area, began a volume at 07:59 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 00:00Z, 7.9 hours before the alert went out and 135 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
- 39 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 2830 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
632 WWUS81 KBOX 040756 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 356 AM EDT MON MAY 4 2015 ...WARM AND DRY CONDITIONS WILL COMBINE WITH SOUTHWESTERLY BREEZES THIS AFTERNOON... CTZ002>004-MAZ005>007-013>021-RIZ001>005-040900- /O.CAN.KBOX.FW.A.0002.150504T1800Z-150505T0000Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI- 356 AM EDT MON MAY 4 2015 ...FIRE WEATHER WATCH IS CANCELLED FOR CONNECTICUT...RHODE ISLAND AND EASTERN MASSACHUSETTS... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE FIRE WEATHER WATCH. SPECIAL STATEMENTS WILL BE ISSUED REGARDING THE FIRE WEATHER POTENTIAL TODAY...THEREFORE THE WATCH IS NO LONGER NECESSARY. $$ MAZ002>004-008>012-026-041600- /O.UPG.KBOX.FW.A.0002.150504T1800Z-150505T0000Z/ /O.NEW.KBOX.FW.W.0003.150504T1800Z-150505T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 356 AM EDT MON MAY 4 2015 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING FOR ELEVATED FIRE WEATHER POTENTIAL FOR WESTERN AND CENTRAL MASSACHUSETTS.... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING FOR RELATIVELY HUMIDITY VALUES AS LOW AS 20 PERCENT AND WIND GUSTS APPROACHING 25 MILES PER HOUR...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...WESTERN AND CENTRAL MASSACHUSETTS...PARTICULARLY AREAS OF HIGHER TERRAIN. * WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TIMING...WINDS WILL BECOME MOST GUSTY BETWEEN 3 PM AND 7 PM MONDAY. * RELATIVE HUMIDITY...AS LOW AS 24 PERCENT. * TEMPERATURES...HIGHS IN THE UPPER 70S TO LOWER 80S. * IMPACTS...DRY WEATHER AND GUSTY WINDS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. ANY FIRES THAT START MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH. && $$ 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
2 follow-up statements
493 WWUS81 KBOX 041553 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1153 AM EDT MON MAY 4 2015 ...WARM AND DRY CONDITIONS WILL COMBINE WITH SOUTHWESTERLY BREEZES THIS AFTERNOON... MAZ002>004-008>012-026-050000- /O.CON.KBOX.FW.W.0003.150504T1800Z-150505T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 1153 AM EDT MON MAY 4 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR ELEVATED FIRE WEATHER POTENTIAL FOR WESTERN AND CENTRAL MASSACHUSETTS... * AFFECTED AREA...FRANKLIN...HAMPSHIRE...HAMPDEN...WORCESTER AND NORTHERN MIDDLESEX COUNTIES. * WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TIMING...WINDS WILL BECOME MOST GUSTY BETWEEN 3 PM AND 7 PM TODAY. * RELATIVE HUMIDITY...AS LOW AS 24 PERCENT. * TEMPERATURES...HIGHS IN THE UPPER 70S TO LOWER 80S. * 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. && $$ FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
446 WWUS81 KBOX 042352 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 752 PM EDT MON MAY 4 2015 MAZ002>004-008>012-026-050100- /O.CAN.KBOX.FW.W.0003.000000T0000Z-150505T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA- EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-NORTHERN MIDDLESEX MA- 752 PM EDT MON MAY 4 2015 ...RED FLAG WARNING IS CANCELLED FOR WESTERN AND CENTRAL MASSACHUSETTS... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED FLAG WARNING. ALTHOUGH A FEW LOCATIONS STILL HAD WIND GUSTS AROUND 25 MPH WITH RELATIVE HUMIDITY VALUES UNDER 30 PERCENT...CONDITIONS WILL BE IMPROVING OVER THE NEXT HOUR OR TWO. THIS A RESULT OF DIMINISHING WIND GUSTS WITH THE LOSS OF DAYTIME HEATING. RELATIVE HUMIDITY VALUES WILL GRADUALLY INCREASE AS TEMPERATURES FALL. $$ 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 4, 3:52 PM EDT | Small Craft Advisory | BOX | 18 hr | |
| May 4, 6:51 PM EDT | Small Craft Advisory | BOX | 2 hr |
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.