Alert archive / Massachusetts / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at Mar 14, 2021, 3:10 AM EDT for 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; 13 counties in Massachusetts. It took effect at Mar 14, 2021, 8:00 AM EDT. It was in force for 12 hr. 11 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 14, 2021, 3:10 AM EDT (07:10 UTC)
- In effect from
- Mar 14, 2021, 8:00 AM EDT
- Expired
- Mar 14, 2021, 8:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Boston/Norton, MA
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Nantucket 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), 26 km from the middle of the area, began a volume at 07:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 14, 1:00 PM EDT | NON-TSTM WND DMG | Webster, MA | LARGE TREE DOWN ON LAKE PARKWAY |
| Mar 14, 2:52 PM EDT | NON-TSTM WND DMG | Monson, MA | TREE DOWN ON SILVER ST |
| Mar 14, 2:56 PM EDT | NON-TSTM WND DMG | Wayland, MA | LARGE TREE DOWN ON WIRES ON LAKE SHORE DRIVE |
| Mar 14, 3:02 PM EDT | NON-TSTM WND DMG | Hopkinton, MA | TREE AND POWER LINES DOWN ON HILL ST |
| Mar 14, 3:20 PM EDT | NON-TSTM WND DMG | Newton, MA | LARGE TREE DOWN ACROSS I-90 EASTBOUND |
| Mar 14, 3:28 PM EDT | NON-TSTM WND DMG | Ashland, MA | TREE DOWN BLOCKING MYRTLE ST |
| Mar 14, 4:47 PM EDT | NON-TSTM WND DMG | Shelburne, MA | TREE DOWN ON WIRES ON NORTH STREET |
| Mar 14, 5:11 PM EDT | NON-TSTM WND DMG | Canton, MA | TREE AND WIRES DOWN ON HIGHLAND ST |
| Mar 14, 5:28 PM EDT | NON-TSTM WND DMG | New Salem, MA | TREE DOWN ON WIRES ON OSBOURNE RD |
| Mar 14, 5:35 PM EDT | NON-TSTM WND DMG | Salem, MA | TREE DOWN ON CAR ON WINTHROP ST |
| Mar 14, 6:00 PM EDT | NON-TSTM WND DMG | Wellesley, MA | TREE DOWN BLOCKING STATE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 00:00Z, 7.2 hours before the alert went out and 127 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
- 2108 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
815 WWUS81 KBOX 140710 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 310 AM EDT Sun Mar 14 2021 CTZ002>004-MAZ002>024-026-RIZ001>008-142015- /O.NEW.KBOX.FW.W.0002.210314T1200Z-210315T0000Z/ 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-Barnstable MA-Dukes MA-Nantucket MA- Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- 310 AM EDT Sun Mar 14 2021 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR STRONG NORTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY ACROSS SOUTHERN NEW ENGLAND... * AFFECTED AREA...All of Southern New England except for areas that still are snow covered. * TIMING...8 AM this morning to 8 PM this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...Dropping to between 30 and 40 percent. * TEMPERATURES...In the upper 30s and 40s. * IMPACTS...Dry weather and strong 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. && $$ Frank For more information from the National Weather Service visit http://weather.gov/box For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
2 follow-up statements
597 WWUS81 KBOX 142015 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 415 PM EDT Sun Mar 14 2021 CTZ002>004-MAZ002>024-026-RIZ001>008-150000- /O.CON.KBOX.FW.W.0002.000000T0000Z-210315T0000Z/ Hartford CT-Tolland CT-Windham CT-Western Franklin MA- Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA- Western Essex MA-Eastern Essex MA-Western Hampshire MA- Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA- Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA- Suffolk MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- 415 PM EDT Sun Mar 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR STRONG NORTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY ACROSS SOUTHERN NEW ENGLAND... * AFFECTED AREA...All of Southern New England, except for areas that still are snow covered. * TIMING...Until 8 PM this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 29 percent. * TEMPERATURES...In the mid 30s. * IMPACTS...Dry weather and strong winds will result in critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, .or will shortly. Any fires that start may spread rapidly and become difficult to extinguish. && $$ For more information from the National Weather Service visit http://weather.gov/box For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
710 WWUS81 KBOX 142352 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 752 PM EDT Sun Mar 14 2021 CTZ002>004-MAZ002>024-026-RIZ001>008-150100- /O.EXP.KBOX.FW.W.0002.000000T0000Z-210315T0000Z/ 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-Barnstable MA-Dukes MA-Nantucket MA- Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- 752 PM EDT Sun Mar 14 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT ACROSS SOUTHERN NEW ENGLAND... The Red Flag Warning will be allowed to expire as relative humidities recover overnight, but gusty winds will persist. However, elevated fire weather conditions are likely to exist tomorrow. Stay tuned to later forecasts and discussions. $$ BL
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 2:46 PM EDT | Special Weather Statement | BOX | Providence | 59 min |
| Mar 14, 3:53 PM EDT | Special Weather Statement | BOX | Kent, Providence | 67 min |
| Mar 14, 3:14 AM EDT | Heavy Freezing Spray Advisory | BOX | 31 hr | |
| Mar 14, 2:56 PM EDT | Special Weather Statement | BOX | Essex, Middlesex | 49 min |
| Mar 14, 3:30 PM EDT | Special Weather Statement | BOX | Worcester | 60 min |
| Mar 14, 4:19 PM EDT | Special Weather Statement | BOX | Middlesex, Norfolk, Worcester | 56 min |
| Mar 14, 5:22 PM EDT | Special Weather Statement | BOX | Norfolk, Plymouth | 53 min |
Nearby
Red Flag Warnings in Massachusetts, 2021Red Flag Warnings in Rhode Island, 2021Red Flag Warnings in Connecticut, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.