Alert archive / Massachusetts / Red Flag Warnings in 2020
Red Flag Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at Sep 22, 2020, 3:10 AM EDT for 13 counties in Massachusetts; 5 counties in Rhode Island. It took effect at Sep 22, 2020, 9:00 AM EDT. It was in force for 10 hr. 12 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
- Sep 22, 2020, 3:10 AM EDT (07:10 UTC)
- In effect from
- Sep 22, 2020, 9:00 AM EDT
- Expired
- Sep 22, 2020, 6:50 PM EDT
- In force
- 10 hr
- Issued by
- NWS Boston/Norton, MA
Counties 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), 18 km from the middle of the area, began a volume at 07:09 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 |
|---|---|---|---|
| Sep 22, 1:40 PM EDT | NON-TSTM WND DMG | Hyannis, MA | GRAY LANE, TREE DOWN ACROSS DRIVEWAY |
| Sep 22, 2:16 PM EDT | NON-TSTM WND DMG | Orleans, MA | BRICK HILL ROAD BY DYLAN'S WAY - TREE DOWN |
| Sep 22, 2:33 PM EDT | NON-TSTM WND DMG | Norwell, MA | STETSON ROAD, TREE DOWN |
| Sep 22, 3:08 PM EDT | COASTAL FLOOD | Boston, MA | 2 LANES ON MORRISSEY BOULEVARD SOUTH BOUND BETWEEN FREEPORT STREET AND UMASS CLOSED DUE TO COASTAL FLOODING. ONE LANE REMAINS OPEN |
| Sep 22, 3:24 PM EDT | COASTAL FLOOD | Yarmouth, MA | MINOR FLOODING OF THE PARKING LOT AT GREY'S BEACH |
| Sep 22, 4:17 PM EDT | COASTAL FLOOD | Lynn, MA | MINOR COASTAL FLOODING ON SUMMER ST |
| Sep 22, 4:30 PM EDT | COASTAL FLOOD | Chatham, MA | MINOR STREET FLOODING IN TEH LITTLE BEACH AREA ALONG LITTLE BEACH RD UP TO SEAGULL RD. MINOR COASTAL FLOODING ON OLD WHARF RD AND SALT POND RD AT SCATTEREE LN. |
| Sep 22, 5:00 PM EDT | COASTAL FLOOD | Lynn, MA | SPLASHOVER ALONG LYNN BEACH |
| Sep 22, 5:10 PM EDT | COASTAL FLOOD | Salisbury, MA | BEACH ROAD (RTE 1A) BY SALISBURY BEACH RESERVATION - FLOODED DUE TO COASTAL FLOODING |
| Sep 22, 5:32 PM EDT | COASTAL FLOOD | Scituate, MA | IN THE AREA OF 93 CENTRAL AVENUE - MINOR COASTAL FLOODING IN THE ROADWAY |
| Sep 22, 6:08 PM EDT | COASTAL FLOOD | Chatham, MA | SEAGULL ROAD AT OUTERMOST HARBOR MARINE - 3 FEET OF COASTAL FLOODING IN TEH ROADWAY |
| Sep 22, 6:15 PM EDT | COASTAL FLOOD | Yarmouth, MA | SHORE ROAD - 2 FT OF COASTAL FLOODING IN THE ROADWAY |
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 120 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
- 1445 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
924 WWUS81 KBOX 220710 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 310 AM EDT Tue Sep 22 2020 MAZ002>024-026-RIZ001>008-221515- /O.UPG.KBOX.FW.A.0001.200922T1300Z-200923T0100Z/ /O.NEW.KBOX.FW.W.0001.200922T1300Z-200923T0100Z/ 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 Tue Sep 22 2020 ...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM EDT THIS EVENING FOR ALL OF MASSACHUSETTS AND RHODE ISLAND... * AFFECTED AREA...All of Massachusetts and Rhode Island. * TIMING...From mid morning through 9 PM this evening. * WINDS...North winds. Wind gusts of 25 to 30 mph across the interior and between 30 and 40 mph along the coast. The strongest of the winds will be across the Cape and Islands where 45 to 55 mph gusts are expected. * RELATIVE HUMIDITY...Minimum values between 20 and 35 percent with the lowest values across the interior. * TEMPERATURES...In the 60s to near 70 this afternoon. * 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. && $$ Frank For more information from the National Weather Service visit http://weather.gov/box For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston
2 follow-up statements
833 WWUS81 KBOX 221507 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 1107 AM EDT Tue Sep 22 2020 MAZ002>024-026-RIZ001>008-230100- /O.CON.KBOX.FW.W.0001.000000T0000Z-200923T0100Z/ Western Franklin MA-Eastern Franklin MA-Northern Worcester MA- Central Middlesex MA-Western Essex MA-Eastern Essex MA- Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA- Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Eastern Norfolk MA- Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA- Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA-Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- 1107 AM EDT Tue Sep 22 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR MASSACHUSETTS AND RHODE ISLAND... * AFFECTED AREA...All of Massachusetts and Rhode Island * TIMING...Through 9 PM this evening. * WINDS...North winds gusting 25 to 30 mph across interior locations, with 30 to 40 mph closer to the coast. Gusts 45 to 55 mph across the Cape and Island. * RELATIVE HUMIDITY...Minimum values will range from 20 to 35 percent, with the lowest value across the interior. * TEMPERATURES...Generally in 60s * IMPACTS...Dry weather and gusty winds will result in critical fire weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring. Any fires that start may spread rapidly and become difficult to extinguish. && $$ Nash 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
988 WWUS81 KBOX 222250 RFWBOX URGENT - FIRE WEATHER MESSAGE National Weather Service Boston/Norton MA 650 PM EDT Tue Sep 22 2020 MAZ002>024-026-RIZ001>008-230000- /O.CAN.KBOX.FW.W.0001.000000T0000Z-200923T0100Z/ 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- 650 PM EDT Tue Sep 22 2020 The National Weather Service in Boston/Norton has cancelled the Red Flag Warning. However elevated fire weather conditions are likely to exist tomorrow/Wednesday. Stay tuned to later forecasts/discussions. $$ Nocera
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 3:05 AM EDT | High Wind Warning | BOX | Nantucket | 16 hr |
Nearby
Red Flag Warnings in Massachusetts, 2020Red Flag Warnings in Rhode Island, 2020Every red flag warning in 2020
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.