Warning Vector

Flash Flood Warning

NWS Pocatello ID ยท US

New
This event was updated at .

Details

Flash Flood Warning Issued September 18 At 1:37PM MDT Until September 18 At 4:30PM MDT By NWS Pocatello ID

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

Description

Overview

FFWPIH The National Weather Service in Pocatello has issued a * Flash Flood Warning for... Northeastern Blaine County in central Idaho... Southeastern Custer County in central Idaho... Southwestern Butte County in southeastern Idaho... * Until 430 PM MDT. * At 137 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Rainfall rates exceeding 0.5 inches in 1 hour are indicated.. 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, as well as other poor drainage and low-lying areas involving step terrain. Rockfall is also possible. * Some locations that will experience flash flooding include... Grouse.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.

Affected areas

  • Blaine County, ID
  • Butte County, ID
  • Custer County, ID

Public contact

Issuer
NWS Pocatello ID

Message record

Received
Issue to receipt
~43s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2V0CN9SS3RVGC2XPRZZFW4K
Identifier
urn:oid:2.49.0.1.840.0.e305bea0a58046008ebed7578ccefa890732fe1a.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Pocatello ID
AWIPS ID
CAPPIH
NWWS sequence
nwws_processor.2661
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWPIH
WMOidentifierWGUS55 KPIH 181937
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KPIH.FF.W.0014.260918T1937Z-260918T2230Z/
eventEndingTime2026-09-18T16:30:00-06:00
BLOCKCHANNELCMAS
Locations

Location data

  • Blaine County, ID
  • Butte County, ID
  • Custer County, ID
NameValue
SAME016013
SAME016023
SAME016037
UGCIDC013
UGCIDC023
UGCIDC037
Polygons
43.65,-113.87 43.9,-113.79 43.94,-113.77 43.96,-113.74 43.94,-113.64 43.85,-113.6 43.69,-113.55 43.58,-113.55 43.48,-113.56 43.4,-113.71 43.42,-113.88 43.65,-113.87