Warning Vector

Severe Thunderstorm Warning

NWS Flagstaff AZ ยท US

New
This event was updated at .

Details

Severe Thunderstorm Warning Issued September 17 At 5:42PM MST Until September 17 At 6:15PM MST By NWS Flagstaff AZ

Event
Severe Thunderstorm Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Observed
Response
Shelter

Description

Overview

SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Coconino County in north central Arizona... * Until 615 PM MST /715 PM MDT/. * At 542 PM MST /642 PM MDT/, a severe thunderstorm was located 7 miles north of Wupatki National Monument, or 33 miles south of Tuba City, moving east at 15 mph.

Hazard

60 mph wind gusts and quarter size hail.

Source

Radar indicated.

Impacts

Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

Locations impacted

Black Falls Crossing, Wupatki National Monument, Ward Terrace, Black Falls, Standing Rocks and Gray Mountain. This includes U.S. Highway 89 between mile markers 457 and 460.

Instructions

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

Affected areas

  • Coconino County, AZ

Public contact

Issuer
NWS Flagstaff AZ

Message record

Received
Issue to receipt
~36s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RZE5M8EVQZX1HTHB3PGHVZ
Identifier
urn:oid:2.49.0.1.840.0.b0582414adcf0d1810da1f0cbf27fe9303d58b32.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Flagstaff AZ
AWIPS ID
CAPFGZ
NWWS sequence
nwws_processor.982
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMESVR
NationalWeatherServiceSVW

Parameters

NameValue
AWIPSidentifierSVRFGZ
WMOidentifierWUUS55 KFGZ 180042
eventMotionDescription2026-09-18T00:41:00-00:00...storm...264DEG...11KT...35.65,-111.36
windThreatRADAR INDICATED
maxWindGust60 MPH
hailThreatRADAR INDICATED
maxHailSize1.00
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KFGZ.SV.W.0127.260918T0042Z-260918T0115Z/
eventEndingTime2026-09-17T18:15:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Coconino County, AZ
NameValue
SAME004005
UGCAZC005
Polygons
35.59,-111.47 35.79,-111.48 35.84,-111.18 35.54,-111.18 35.59,-111.47