Warning Vector

Special Weather Statement

NWS Pocatello ID ยท US

New

Details

Strong Thunderstorms Will Impact Southwestern Fremont...North Central Jefferson...Northwestern Madison And Central Clark Counties Through 545 PM MDT

Event
Special Weather Statement
Issued
Onset
Message expires
Category
Meteorological
Urgency
Expected
Severity
Moderate
Certainty
Observed
Response
Execute

Description

Overview

At 457 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles north of Spencer to 8 miles southwest of Idmon to near Egin. Movement was northeast at 40 mph.

Hazard

Wind gusts of 50 to 55 mph and half inch hail.

Source

Radar indicated.

Impacts

Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include... Dubois, Idmon, Spencer, Kilgore, Island Park Reservoir, Ashton Reservoir, Small, Sheridan Reservoir, Humphrey, Harriman State Park, Saint Anthony Sand Dunes, Monida Pass, and Ashton Hill.

Instructions

If outdoors, consider seeking shelter inside a building.

Affected areas

  • Arco/Mud Lake Desert
  • Upper Snake River Plain
  • Teton Valley
  • Centennial Mountains/Island Park
  • Beaverhead/Lemhi Highlands

Public contact

Issuer
NWS Pocatello ID

Message record

Received
Issue to receipt
~1m10s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RSEZBCD6FCB71MRG5MKEZ8
Identifier
urn:oid:2.49.0.1.840.0.4a19471de9f2756e7bbdae57da33a156b8e5db35.001.1
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.7916
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMESPS
NationalWeatherServiceSPS

Parameters

NameValue
AWIPSidentifierSPSPIH
WMOidentifierWWUS85 KPIH 172257
NWSheadlineSTRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN FREMONT...NORTH CENTRAL JEFFERSON...NORTHWESTERN MADISON AND CENTRAL CLARK COUNTIES THROUGH 545 PM MDT
eventMotionDescription2026-09-17T22:57:00-00:00...storm...230DEG...33KT...44.47,-112.22 44.25,-111.98 44.0,-111.88
maxWindGust55 MPH
maxHailSize0.50
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
BLOCKCHANNELCMAS
Locations

Location data

  • Arco/Mud Lake Desert
  • Upper Snake River Plain
  • Teton Valley
  • Centennial Mountains/Island Park
  • Beaverhead/Lemhi Highlands
NameValue
SAME016011
SAME016019
SAME016023
SAME016051
SAME016043
SAME016065
SAME016081
SAME016033
UGCIDZ052
UGCIDZ053
UGCIDZ065
UGCIDZ066
UGCIDZ067
Polygons
44.16,-111.37 43.82,-112.09 44.13,-112.3 44.44,-112.6 44.48,-112.53 44.48,-112.47 44.45,-112.39 44.54,-112.35 44.54,-112.32 44.57,-112.29 44.52,-112.1 44.53,-112.03 44.55,-112.03 44.54,-111.98 44.56,-111.95 44.56,-111.87 44.51,-111.83 44.56,-111.7 44.56,-111.6 44.49,-111.53 44.16,-111.37