Alert archive / Massachusetts / Red Flag Warnings in 2016
Red Flag Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at Apr 16, 2016, 4:01 AM EDT for 10 counties in Massachusetts; 5 counties in Rhode Island. It took effect at Apr 16, 2016, 10:00 AM 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 16, 2016, 4:01 AM EDT (08:01 UTC)
- In effect from
- Apr 16, 2016, 10:00 AM EDT
- Expired
- Apr 16, 2016, 5:49 PM EDT
- In force
- 8 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Essex 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), 9 km from the middle of the area, began a volume at 08:00 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
Chatham, MA (KCHH), launched 00:00Z, 8.0 hours before the alert went out and 97 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
- 2615 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
290 WWUS81 KBOX 160801 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 401 AM EDT SAT APR 16 2016 MAZ004>007-012>024-026-RIZ001>008-161615- /O.UPG.KBOX.FW.A.0001.160416T1400Z-160416T2200Z/ /O.NEW.KBOX.FW.W.0001.160416T1400Z-160416T2200Z/ NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA- EASTERN ESSEX 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- 401 AM EDT SAT APR 16 2016 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT THIS EVENING FOR DRY CONDITIONS AND GUSTY WINDS FOR EASTERN MASSACHUSETTS AND ALL OF RHODE ISLAND... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING FOR VERY DRY CONDITIONS AND GUSTY WINDS...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...CENTRAL AND EASTERN MASSACHUSETTS AND ALL OF RHODE ISLAND. * WINDS...NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * TIMING...MID MORNING INTO EARLY EVENING. * RELATIVE HUMIDITY...MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES COULD DROP INTO THE TEENS ACROSS THE WARNING AREA...WITH 25-40 PERCENT POSSIBLE ALONG THE IMMEDIATE COAST.. * TEMPERATURES...MAINLY IN THE MID 50S TO LOW 60S BY THIS AFTERNOON. * WIND...FREQUENT NORTHEAST WIND GUSTS OF 20 TO 30 MPH...BUT BETWEEN 30 AND 40 MPH ACROSS THE CAPE AND ISLANDS. * IMPACTS...LOW RELATIVE HUMIDITY VALUES...GUSTY WINDS IN PRE- GREEN UP WILL RESULT IN AN ELEVATED FIRE SPREAD POTENTIAL. 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. && $$
2 follow-up statements
502 WWUS81 KBOX 161503 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1103 AM EDT SAT APR 16 2016 MAZ004>007-012>024-026-RIZ001>008-162200- /O.CON.KBOX.FW.W.0001.000000T0000Z-160416T2200Z/ NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA- EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA- SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA- NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA- NANTUCKET MA-NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 1103 AM EDT SAT APR 16 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING FOR DRY CONDITIONS AND GUSTY WINDS FOR EASTERN MASSACHUSETTS AND ALL OF RHODE ISLAND... * AFFECTED AREA...CENTRAL AND EASTERN MASSACHUSETTS AND ALL OF RHODE ISLAND. * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...EXCEPT 25 TO 30 MPH WITH GUSTS UP TO 45 MPH ON CAPE COD...NANTUCKET AND MARTHAS VINEYARD. * TIMING...THROUGH THIS EVENING. * RELATIVE HUMIDITIES...MINIMUM RELATIVE HUMIDITY VALUES WILL LIKELY DROP TO 15 TO 20 PERCENT ACROSS THE WARNING AREA... EXCEPT 25 TO 45 PERCENT ALONG THE IMMEDIATE COAST. * TEMPERATURES...RANGING FROM 45 TO 50 ALONG THE EAST COAST OF MASSACHUSETTS TO THE LOWER 60S BY THIS AFTERNOON. * IMPACTS...LOW RELATIVE HUMIDITY VALUES...GUSTY WINDS IN PRE- GREEN UP WILL RESULT IN AN ELEVATED FIRE SPREAD POTENTIAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. ANY FIRES THAT START MAY SPREAD RAPIDLY AND BECOME DIFFICULT TO EXTINGUISH. && $$
737 WWUS81 KBOX 162149 RFWBOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 549 PM EDT SAT APR 16 2016 MAZ004>007-012>024-026-RIZ001>008-162300- /O.CAN.KBOX.FW.W.0001.000000T0000Z-160416T2200Z/ NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA- EASTERN ESSEX 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- 549 PM EDT SAT APR 16 2016 ...RED FLAG WARNING WILL EXPIRE AT 6 PM FOR CENTRAL AND EASTERN MASSACHUSETTS AS WELL AS ALL OF RHODE ISLAND... THE NATIONAL WEATHER SERVICE IN TAUNTON WILL ALLOW THE RED FLAG WARNING TO EXPIRE ON TIME AT 6 PM. WINDS WERE GRADUALLY DIMINISHING AND TEMPERATURES WILL BEGIN TO QUICKLY DROP WITH SUNSET...ALLOWING RELATIVE HUMIDITY VALUES TO RISE. $$ FRANK
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 4:02 AM EDT | Wind Advisory | BOX | Nantucket | 15 hr |
Nearby
Red Flag Warnings in Massachusetts, 2016Red Flag Warnings in Rhode Island, 2016Every red flag warning in 2016
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.