Warning Vector

Severe Thunderstorm Warning

NWS Flagstaff AZ ยท US

New
This event was updated at .

Details

Severe Thunderstorm Warning Issued September 17 At 5:12PM MST Until September 17 At 5:45PM 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 545 PM MST /645 PM MDT/. * At 512 PM MST /612 PM MDT/, a severe thunderstorm was located 7 miles northwest of Wupatki National Monument, or 30 miles north of Flagstaff, moving east at 15 mph.

Hazard

Quarter size hail.

Source

Radar indicated.

Impacts

Damage to vehicles is expected.

Locations impacted

Wupatki National Monument, Doney Mountain, Tappan Spring, Black Falls Crossing, Gray Mountain, Cameron and Wupatki Visitors Center. This includes U.S. Highway 89 between mile markers 443 and 465.

Instructions

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

Affected areas

  • Coconino County, AZ

Public contact

Issuer
NWS Flagstaff AZ

Message record

Received
Issue to receipt
~1m18s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RXRGXHFJGXYJYD341EXD0J
Identifier
urn:oid:2.49.0.1.840.0.82da740c9b0b924d68f57443116e02a8a95d1608.001.1
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.408
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 180012
eventMotionDescription2026-09-18T00:12:00-00:00...storm...276DEG...12KT...35.61,-111.51
windThreatRADAR INDICATED
maxWindGustUp to 50 MPH
hailThreatRADAR INDICATED
maxHailSize1.00
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KFGZ.SV.W.0126.260918T0012Z-260918T0045Z/
eventEndingTime2026-09-17T17:45:00-07:00
BLOCKCHANNELCMAS
Locations

Location data

  • Coconino County, AZ
NameValue
SAME004005
UGCAZC005
Polygons
35.56,-111.62 35.78,-111.69 35.88,-111.34 35.48,-111.27 35.56,-111.62