Flash Flood Warning
NWS Boise ID ยท US
Details
Flash Flood Warning Issued September 18 At 11:49AM MDT Until September 18 At 2:00PM MDT By NWS Boise ID
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
FFWBOI The National Weather Service in Boise has issued a * Flash Flood Warning for... The MM115 HWY 20 burn scar in... Central Elmore County in southwestern Idaho... * Until 200 PM MDT. * At 1149 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the MM115 HWY 20 Burn Scar. The expected rainfall rate is 0.25 to 0.75 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials.
Hazard
Flash flooding caused by thunderstorms in and around the MM115 HWY 20 Burn Scar.
Source
Radar indicated.
Impacts
Flooding of areas in and around the MM115 HWY 20 Burn Scar. * Some locations that will experience flash flooding include... Mainly rural areas of Central Elmore County.
Instructions
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the MM115 HWY 20 Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety.
Affected areas
- Elmore County, ID
Public contact
- Issuer
- NWS Boise ID
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~51s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2TT749F9VSTYBCZXBCGJ4N1
- Identifier
- urn:oid:2.49.0.1.840.0.b725421a1d538ed4f07d704bb320962f441418f9.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Boise ID
- AWIPS ID
- CAPBOI
- NWWS sequence
- nwws_processor.8154
- 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 | FFWBOI |
| WMOidentifier | WGUS55 KBOI 181749 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KBOI.FF.W.0011.260918T1749Z-260918T2000Z/ |
| eventEndingTime | 2026-09-18T14:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Elmore County, ID
| Name | Value |
|---|---|
| SAME | 016039 |
| UGC | IDC039 |
- Polygons
- 43.27,-115.41 43.28,-115.41 43.28,-115.44 43.31,-115.44 43.31,-115.4 43.3,-115.4 43.3,-115.39 43.29,-115.39 43.29,-115.38 43.28,-115.38 43.28,-115.33 43.27,-115.33 43.27,-115.34 43.26,-115.36 43.26,-115.38 43.27,-115.38 43.27,-115.41