Severe Thunderstorm Warning
NWS Flagstaff AZ ยท US
Details
Severe Thunderstorm Warning Issued September 17 At 4:52PM MST Until September 17 At 5:15PM 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 515 PM MST /615 PM MDT/. * At 452 PM MST /552 PM MDT/, a severe thunderstorm was located near Desert View Watchtower, moving north at 20 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
LCR Confluence Overlook, Navajo Point, Upton Point, Sixtymile Canyon, Chuar Valley, Tanner Trailhead North, Awatubi Canyon, Malgosa Canyon, Kwagunt Valley and Salt Trail Canyon. This includes the Colorado River between river miles 58 and 75. This includes the following recreation areas and campgrounds... Blue Water Base Camp, Malgosa Camp Site, Opposite Malgosa Camp Site, Awatubi Camp Site, Below Awatubi Left Camp Site, Below Awatubi Right Camp Site, 60 Mile Ledge Camp Site, Old Fish Camp Site, Above LCR Camp Site, Below LCR Camp Site, Above Crash Canyon Camp Site, Crash Canyon Camp Site, Hopi Salt Mine Camp Site, Carbon Camp Site, Lava Canyon Camp Site, Palisades Camp Site, Above Espejo Camp Site, Espejo Camp Site, Comanche Camp Site, Upper Tanner Camp Site, Tanner Camp Site, Below Tanner Rapid Camp Site, Basalt Camp Site, Cardenas Camp Site, Upper Unkar Camp Site, Unkar Left Camp Site, Below Granary Camp Site, Below Granary Left Camp Site, Upper Rattlesnake Camp Site and Lower Rattlesnake Camp Site. This includes the following swimming holes... Blue Water Base Camp.
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
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~39s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2RWJQJ26G2D6BSYQDJMXD44
- Identifier
- urn:oid:2.49.0.1.840.0.d56b510f527efcff00fc2ae8782934728f530e03.001.1
- 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.9279
- 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 | SVR |
| NationalWeatherService | SVW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SVRFGZ |
| WMOidentifier | WUUS55 KFGZ 172352 |
| eventMotionDescription | 2026-09-17T23:51:00-00:00...storm...180DEG...18KT...36.1,-111.83 |
| windThreat | RADAR INDICATED |
| maxWindGust | 60 MPH |
| hailThreat | RADAR INDICATED |
| maxHailSize | 1.00 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KFGZ.SV.W.0125.260917T2352Z-260918T0015Z/ |
| eventEndingTime | 2026-09-17T17:15:00-07:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Coconino County, AZ
| Name | Value |
|---|---|
| SAME | 004005 |
| UGC | AZC005 |
- Polygons
- 36.04,-111.89 36.24,-111.95 36.26,-111.68 36.06,-111.71 36.04,-111.89