Flash Flood Warning
NWS Boston/Norton MA ยท US
Details
Flash Flood Warning Remains In Effect Until 645 PM EDT This Evening For Southeastern Bristol, South Central Plymouth And Newport Counties
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
At 509 PM EDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
Hazard
Flash flooding caused by thunderstorms.
Source
Emergency management reported.
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. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Affected areas
- Bristol County, MA
- Plymouth County, MA
- Newport County, RI
Public contact
- Issuer
- NWS Boston/Norton MA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~30s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3FRTEGF6T5Q2543QJPBJCN1
- Identifier
- urn:oid:2.49.0.1.840.0.655bc085538163260735f31d9fc55fabd55b8e99.001.1
- 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.4802
- WMO heading
- XOUS51
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 51
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | FFS |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFSBOX |
| WMOidentifier | WGUS71 KBOX 262109 |
| NWSheadline | FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT THIS EVENING FOR SOUTHEASTERN BRISTOL, SOUTH CENTRAL PLYMOUTH AND NEWPORT COUNTIES |
| flashFloodDetection | OBSERVED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.CON.KBOX.FF.W.0014.000000T0000Z-260926T2245Z/ |
| eventEndingTime | 2026-09-26T18:45:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Bristol County, MA
- Plymouth County, MA
- Newport County, RI
| Name | Value |
|---|---|
| SAME | 025005 |
| SAME | 025023 |
| SAME | 044005 |
| UGC | MAC005 |
| UGC | MAC023 |
| UGC | RIC005 |
- 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