474 
WGUS55 KFGZ 122144
FFWFGZ
AZC005-130045-
/O.NEW.KFGZ.FF.W.0112.260812T2144Z-260813T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
244 PM MST Wed Aug 12 2026

The National Weather Service in Flagstaff has issued a

* Flash Flood Warning for...
  The Antelope Creek basin in...
  Coconino County in north central Arizona...

* Until 545 PM MST /645 PM MDT/.

* At 244 PM MST /344 PM MDT/, Doppler radar indicated thunderstorms
  producing heavy rain over the Antelope Creek basin. Between 0.25
  and 0.5 inches of rain have fallen. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms producing
           flash flooding in and around the Antelope Creek basin.

  SOURCE...Radar indicated.

  IMPACT...Life threatening flash flooding of areas in and around the
           Antelope Creek basin.

* Some locations that will experience flash flooding include...
  LeChee, Trapeze Cove and Antelope Canyon.

This includes the following slot canyons...
Upper Antelope Canyon, Lower Antelope Canyon, Canyon X, Cardiac
Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon, Wind
Pebble Canyon and Porcupine Canyon.

This includes the following creeks, washes and rivers...
  Antelope Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Get out of Antelope Canyon and other area slot canyons immediately!
Deadly flash flooding is imminent or occurring!

&&

LAT...LON 3695 11142 3694 11142 3690 11138 3679 11131
      3677 11141 3695 11144

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

JJ

327 
WGUS75 KFGZ 122315
FFSFGZ

Flash Flood Statement
National Weather Service Flagstaff AZ
415 PM MST Wed Aug 12 2026

AZC005-130045-
/O.CON.KFGZ.FF.W.0112.000000T0000Z-260813T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coconino AZ-
415 PM MST Wed Aug 12 2026 /515 PM MDT Wed Aug 12 2026/

...FLASH FLOOD WARNING FOR THE ANTELOPE CREEK BASIN REMAINS IN EFFECT
UNTIL 545 PM MST /645 PM MDT/ THIS AFTERNOON FOR COCONINO COUNTY...

At 415 PM MST /515 PM MDT/, Doppler radar indicated that heavy rain
has moved out of the Antelope Creek basin. Between 0.25 and 0.5
inches of rain fell earlier this afternoon. Flash flooding is ongoing
or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Antelope Creek basin.

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of areas in and around the
         Antelope Creek basin.

Some locations that will experience flash flooding include...
  LeChee, Trapeze Cove and Antelope Canyon.

This includes the following slot canyons...
Upper Antelope Canyon, Lower Antelope Canyon, Canyon X, Cardiac
Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon, Wind
Pebble Canyon and Porcupine Canyon.

This includes the following creeks, washes and rivers...
  Antelope Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Get out of Antelope Canyon and other area slot canyons immediately!
Deadly flash flooding is imminent or occurring!

&&

LAT...LON 3695 11142 3694 11142 3690 11138 3679 11131
      3677 11141 3695 11144

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

JJ

087 
WGUS75 KFGZ 130043
FFSFGZ

Flash Flood Statement
National Weather Service Flagstaff AZ
543 PM MST Wed Aug 12 2026

AZC005-130053-
/O.EXP.KFGZ.FF.W.0112.000000T0000Z-260813T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coconino AZ-
543 PM MST Wed Aug 12 2026 /643 PM MDT Wed Aug 12 2026/

...FLASH FLOOD WARNING FOR THE ANTELOPE CREEK BASIN WILL EXPIRE AT
545 PM MST /645 PM MDT/ THIS AFTERNOON FOR COCONINO COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a
threat.

A Flood Watch remains in effect until 1200 AM MST /100 AM MDT/
Thursday for portions of east central, north central, northeast, and
west central Arizona.

&&

LAT...LON 3695 11142 3694 11142 3690 11138 3679 11131
      3677 11141 3695 11144

$$

JJ