Alert archive / Massachusetts / Areal Flood Advisories in 2016
Areal Flood Advisory 39, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood advisory at Oct 21, 2016, 10:11 PM EDT for 5 counties in Massachusetts; Bristol County, Newport County, Rhode Island. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Oct 21, 2016, 10:11 PM EDT (02:11 UTC)
- Expired
- Oct 22, 2016, 12:15 AM EDT
- In force
- 2 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Barnstable County, MA, Bristol County, MA, Dukes County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Newport County, RI
The radar
The Boston radar (KBOX), 29 km from the middle of the area, began a volume at 02:10 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.
The nearest sounding before it
Chatham, MA (KCHH), launched 00:00Z, 2.2 hours before the alert went out and 81 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
- 349 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this areal flood advisory went out at Oct 21, 9:47 PM EDT, 24 minutes earlier.
Area forecast discussion, Oct 21, 9:47 PM EDT, 24 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 414 PM EDT FRI OCT 21 2016 CTZ002>004-MAZ002>023-026-RIZ001>008-222015- 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-NORTHERN MIDDLESEX MA- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 414 PM EDT FRI OCT 21 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS... SOUTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS...AND RHODE ISLAND. .DAY ONE...TONIGHT. LOCALLY HEAVY RAIN THIS EVENING COULD PRODUCE LOCALIZED URBAN AND POOR DRAINAGE FLOODING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. WESTERLY WINDS INCREASE LATE SATURDAY AND SATURDAY NIGHT...WITH A MODERATE PROBABILITY OF WIND ADVISORIES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MAZ024-222015- NANTUCKET MA- 414 PM EDT FRI OCT 21 2016 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD ADVISORY. LOCALLY HEAVY RAIN THIS EVENING COULD PRODUCE LOCALIZED URBAN AND POOR DRAINAGE FLOODING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. WESTERLY WINDS INCREASE LATE SATURDAY AND SATURDAY NIGHT...WITH A MODERATE PROBABILITY OF WIND ADVISORIES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ231>235-237-250-251-254>256-222015- CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY- RHODE ISLAND SOUND-BLOCK ISLAND SOUND- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY- COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM- COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND NANTUCKET- COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND- 414 PM EDT FRI OCT 21 2016 ...GALE WARNING IN EFFECT FROM NOON SATURDAY TO 6 PM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230-236-222015- BOSTON HARBOR-NARRAGANSETT BAY- 414 PM EDT FRI OCT 21 2016 ...GALE WARNING IN EFFECT FROM 2 PM SATURDAY TO 6 PM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. RLG 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
In the hours before
Local storm report, Oct 21, 7:56 PM EDT, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
756 PM EDT FRI OCT 21 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0658 PM FLOOD WORCESTER 42.27N 71.81W
10/21/2016 WORCESTER MA AMATEUR RADIO
WOMAN TRAPPED IN A CAR IN FLOOD WATERS ON CAMBRIDGE
STREET.
0714 PM FLOOD WORCESTER 42.27N 71.81W
10/21/2016 WORCESTER MA AMATEUR RADIO
CARS REPORTIED FILLING WITH WATER ON CHANDLER STREET
AND ON GOLDWAITHE AND LINCOLN STREET.
0720 PM FLOOD FITCHBURG 42.59N 71.82W
10/21/2016 WORCESTER MA AMATEUR RADIO
WIDESPREAD URBAN AND POOR DRAINAGE FLOODING.
0722 PM FLOOD WORCESTER 42.27N 71.81W
10/21/2016 WORCESTER MA AMATEUR RADIO
CAMBRIDGE STREET CLOSED AND BARRICADED BY POLICE NEAR
THE INTERSECTION WITH KANSAS STREET WHERE INTERSECTION
IS FLOODED WITH 7 FEET OF WATER..
0722 PM FLOOD LEOMINSTER 42.52N 71.77W
10/21/2016 WORCESTER MA AMATEUR RADIO
INTERSECTION OF WASHINGTON STREET AND GROVE AVENUE
FLOODED AND IMPASSABLE...FD BLOCKING ROAD.
0724 PM FLOOD WORCESTER 42.27N 71.81W
10/21/2016 WORCESTER MA AMATEUR RADIO
2 PEOPLE STUCK IN CAR DUE TO FLOODING ON PLEASANT
TERRACE.
0727 PM FLOOD LEOMINSTER 42.52N 71.77W
10/21/2016 WORCESTER MA AMATEUR RADIO
MCKAY STREET ENTERING THE HOSPITAL IS CLOSED DUE TO
FLOODING. PD/FD SEEKING ALTERNATE ROUTES TO HOSPITAL.
0730 PM FLOOD WORCESTER 42.27N 71.81W
10/21/2016 WORCESTER MA AMATEUR RADIO
CAR FILLING WITH WATER...DRIVER ON HOOD OF CAR AT THE
INTERSECTION OF BANCROFT AND CHANDLER STREETS.
&&
RLGLocal storm report, Oct 21, 8:37 PM EDT, 1 hour 34 minutes before
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</html>Local storm report, Oct 21, 8:50 PM EDT, 1 hour 21 minutes before
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</html>Local storm report, Oct 21, 9:27 PM EDT, 44 minutes before
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</html>Local storm report, Oct 21, 10:07 PM EDT, 4 minutes before
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</html>The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 8:08 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Suffolk | 52 min |
| Oct 21, 8:11 PM EDT | Areal Flood Warning | BOX | Middlesex, Norfolk, Worcester | 2 hr |
| Oct 21, 8:28 PM EDT | Flash Flood Warning | BOX | Middlesex, Norfolk, Worcester | 2 hr |
| Oct 21, 9:01 PM EDT | Areal Flood Warning | BOX | Worcester | 3 hr |
| Oct 21, 9:17 PM EDT | Areal Flood Warning | BOX | Essex, Middlesex, Norfolk, Plymouth, Suffolk | 3 hr |
| Oct 21, 9:58 PM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Norfolk, Plymouth, Suffolk | 2 hr |
| Oct 22, 4:04 AM EDT | Wind Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 38 hr |
| Oct 21, 8:04 PM EDT | Flash Flood Warning | BOX | Kent, Providence | 116 min |
Nearby
Areal Flood Advisories in Massachusetts, 2016Areal Flood Advisories in Rhode Island, 2016Every areal flood advisory 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.