Warning Vector

Flash Flood Warning

NWS Boston/Norton MA ยท US

New

Details

Flash Flood Warning Issued September 26 At 3:49PM EDT Until September 26 At 6:45PM EDT By NWS Boston/Norton MA

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWBOX The National Weather Service in Norton has issued a * Flash Flood Warning for... Southeastern Bristol County in southeastern Massachusetts... South Central Plymouth County in southeastern Massachusetts... Newport County in Rhode Island... * Until 645 PM EDT. * At 349 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard

Flash flooding caused by thunderstorms.

Source

Radar indicated.

Impacts

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... New Bedford, Fall River, Dartmouth, Newport, Bristol, Marion, Middleborough, Wareham, Somerset, Portsmouth, Middletown, Fairhaven, Tiverton, Westport, Acushnet, Freetown, Mattapoisett, Rochester, Little Compton and Prudence Island.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Affected areas

  • Bristol County, MA
  • Plymouth County, MA
  • Newport County, RI

Public contact

Issuer
NWS Boston/Norton MA

Message record

Received
Issue to receipt
~22s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M3FM7QPY68SJ127HN0KDS4D7
Identifier
urn:oid:2.49.0.1.840.0.a8e0e0e3bd1efe7913e64e4400fb007fdf8e84b0.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Boston/Norton MA
AWIPS ID
CAPBOX
NWWS sequence
nwws_processor.2796
WMO heading
XOUS51
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
51

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWBOX
WMOidentifierWGUS51 KBOX 261949
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KBOX.FF.W.0014.260926T1949Z-260926T2245Z/
eventEndingTime2026-09-26T18:45:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Bristol County, MA
  • Plymouth County, MA
  • Newport County, RI
NameValue
SAME025005
SAME025023
SAME044005
UGCMAC005
UGCMAC023
UGCRIC005
Polygons
41.64,-71.33 41.67,-71.28 41.64,-71.26 41.66,-71.25 41.67,-71.24 41.69,-71.24 41.75,-71.12 41.8,-70.85 41.69,-70.69 41.53,-70.89 41.42,-71.36 41.64,-71.33