Warning Vector

Special Weather Statement

NWS Flagstaff AZ ยท US

New

Details

A Line Of Strong Thunderstorms Will Impact Black Canyon City Until 5 PM MST

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

Description

Overview

At 431 PM MST, Doppler radar was tracking a line of strong thunderstorms extending from 8 miles west of Castle Hot Springs to Black Canyon City to 10 miles northwest of Sunset Mountain, moving southeast at 10 mph.

Hazard

Wind gusts up to 50 mph and penny size hail.

Source

Radar indicated.

Impacts

Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Castle Hot Springs, Coles Bay, Humbug Bay, Goose Bay, Castle Creek Boat Ramp, Cottonwood Day Use Area, Lake Pleasant, Black Canyon City, Agua Fria National Monument, Humbug, Casa Rosa and Rock Springs. This includes Interstate 17 between mile markers 242 and 246. This includes the following recreation areas and campgrounds... Black Canyon Campground.

Instructions

Monitor the weather situation closely and be alert for threatening weather conditions. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. If on or near the north portions of Lake Pleasant, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm.

Affected areas

  • Yavapai County Mountains
  • Yavapai County Valleys and Basins

Public contact

Issuer
NWS Flagstaff AZ

Message record

Received
Issue to receipt
~29s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M389R8YTC3XP09T0B23S6FV9
Identifier
urn:oid:2.49.0.1.840.0.05a476f9019528b0a733c2b9685e4382af8902b5.001.1
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.8912
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
AWIPSidentifierSPSFGZ
WMOidentifierWWUS85 KFGZ 232331
NWSheadlineA LINE OF STRONG THUNDERSTORMS WILL IMPACT BLACK CANYON CITY UNTIL 5 PM MST
eventMotionDescription2026-09-23T23:30:00-00:00...storm...293DEG...9KT...34.02,-112.49 34.04,-112.11 34.11,-111.9
maxWindGust50 MPH
maxHailSize0.75
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
BLOCKCHANNELCMAS
Locations

Location data

  • Yavapai County Mountains
  • Yavapai County Valleys and Basins
NameValue
SAME004025
UGCAZZ008
UGCAZZ037
Polygons
34.15,-112.41 34.11,-112.15 34.2,-111.99 34.02,-111.88 34.05,-112.16 34.02,-112.16 34.01,-112.18 33.97,-112.2 33.96,-112.24 33.92,-112.24 33.88,-112.28 33.95,-112.53 34.09,-112.62 34.15,-112.41