Storm Warning
NWS Boston/Norton MA ยท US
Updated
Details
Storm Warning Now In Effect Until 10 AM EDT Sunday
- Event
- Storm Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Observed
- Response
- Avoid
Description
What
East winds 20 to 30 kt with gusts up to 45 kt and seas 10 to 15 feet.
Where
In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. In Atlantic coastal waters, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM.
When
Until 10 AM EDT Sunday.
Impacts
Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Instructions
Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
Affected areas
- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM
Public contact
- Issuer
- NWS Boston/Norton MA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~32s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3F8MAR00P70704V515ZSQBJ
- Identifier
- urn:oid:2.49.0.1.840.0.966ffcdf09545f1bac15f057073791df80fede0d.003.1
- 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.6084
- 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
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SRW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWBOX |
| WMOidentifier | WHUS71 KBOX 261626 |
| NWSheadline | STORM WARNING NOW IN EFFECT UNTIL 10 AM EDT SUNDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T1400Z/ |
| eventEndingTime | 2026-09-27T10:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3d2a99494842872c5ffbbecd96d5cf763a34706.004.1,2026-09-25T14:58:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.32f00905e1ab0f7f9866d05afc8d008eb4904e53.003.1,2026-09-25T12:37:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.19bd578ee9e78b957ab80ef2a338220f969838f2.003.1,2026-09-25T01:38:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a33e92bbaf9c392bd610915e7916278e86ce406.004.3,2026-09-24T12:06:00-04:00 |
Locations
Location data
- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM
| Name | Value |
|---|---|
| SAME | 073254 |
| SAME | 073281 |
| UGC | ANZ254 |
| UGC | ANZ281 |