Flash Flood Warning
NWS Billings MT ยท US
Details
Flash Flood Warning Issued September 18 At 7:40PM MDT Until September 18 At 10:15PM MDT By NWS Billings MT
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
FFWBYZ The National Weather Service in Billings has issued a * Flash Flood Warning for... Southwestern Golden Valley County in central Montana... Northeastern Sweet Grass County in south central Montana... * Until 1015 PM MDT. * At 740 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches per hour. 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, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of Southwestern Golden Valley and Northeastern Sweet Grass Counties.
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Do not drive on or attempt to cross flooded roads, find an alternate route. Roads and driveways may be damaged or washed out in places. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Affected areas
- Golden Valley County, MT
- Sweet Grass County, MT
Public contact
- Issuer
- NWS Billings MT
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~57s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2VN5QZ2FSZSV1JD7R8Q443T
- Identifier
- urn:oid:2.49.0.1.840.0.c1435d5cd5195eaca261390fbe17fe20dbf3799d.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Billings MT
- AWIPS ID
- CAPBYZ
- NWWS sequence
- nwws_processor.2430
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWBYZ |
| WMOidentifier | WGUS55 KBYZ 190140 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KBYZ.FF.W.0019.260919T0140Z-260919T0415Z/ |
| eventEndingTime | 2026-09-18T22:15:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Golden Valley County, MT
- Sweet Grass County, MT
| Name | Value |
|---|---|
| SAME | 030037 |
| SAME | 030097 |
| UGC | MTC037 |
| UGC | MTC097 |
- Polygons
- 46.21,-109.68 46.21,-109.65 46.14,-109.65 46.13,-109.52 46.16,-109.4 46.13,-109.42 46.01,-109.43 45.97,-109.43 45.96,-109.51 45.88,-109.51 45.88,-109.55 45.98,-109.74 46.21,-109.68