Live incident briefing · Flood

Flash Flood Warning near Coconino, AZ

Official warning geography and instructions, rainfall outlook, gauge observations and forecasts, affected places, and source history.

Official source updated
22 hr ago
Briefing status
Active

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Official information and local resources

Flash flooding is occurring or imminent downstream of the Dragon Bravo Fire scar. Severe debris flow are expected downstream of the North Rim into Bright Angel Creek and Crystal Creek. Campers and hikers should get away from creeks and move to higher ground immediately! Stay away or be swept away!

NWS Flagstaff AZ · source Aug 29, 2026, 9:42 PM

In immediate danger? Call 911. Nature Says When is not an emergency service and does not determine whether an area is safe.

Verified context

What the latest evidence says

The Flash Flood Warning has Severe severity and Immediate urgency for Coconino, AZ. This covers 1 counties and is associated with 1 warnings.

From the primary source

Official incident details

Displayed directly from the issuing authority, with no generated paraphrase.

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Bright Angel Creek Basin below the Dragon Bravo Fire scar in... Coconino County in north central Arizona... * Until 545 PM MST. * At 242 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the Bright Angel Creek Basin below the Dragon Bravo Fire scar. Between 0.25 and 0.5 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Bright Angel Creek Basin below the Dragon Bravo Fire scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Bright Angel Creek Basin below the Dragon Bravo Fire scar. * Some locations that will experience flash flooding include... Bright Angel Point, Phantom Ranch, Pipe Creek Resthouse, Point Sublime, Cape Royal Point, Grand Canyon National Park, Buddha Cloister and Vista Encantada. This includes the Colorado River between river miles 87 and 89...and between river miles 99 and 100. This includes the following recreation areas and campgrounds... Ribbon Falls, Bright Angel Campground, North Rim Campground, Cottonwood Campground, Clear Creek Camp Site, Upper Cremation Camp Site, Lower Cremation Camp Site, Roy's Beach Camp Site, Boat Beach Camp Site, Crystal Camp Site, Ego Beach Camp Site, Above Tuna Creek Camp Site, Above Tuna Rapids Camp Site, Manzanita Rest Area and Roaring Springs. This includes the following creeks, washes and rivers... Bright Angel Creek, Crystal Creek, Colorado River, Clear Creek, Tuna Creek, Unkar Creek, Shinumo Creek, Kwagunt Creek, North Canyon, South Canyon, Zoroaster Canyon, Nankoweap Canyon, Lava Canyon and Slate Creek.

NWS Flagstaff AZ · source Aug 29, 2026, 9:42 PM

Official forecast

NWS weather context

Showers And Thunderstorms Likely78°F · wind 16 mph · gusts 25 mph8/29/2026, 10:00:00 PM
Showers And Thunderstorms Likely73°F · wind 14 mph · gusts 23 mph8/29/2026, 11:00:00 PM
Chance Showers And Thunderstorms71°F · wind 10 mph · gusts 18 mph8/30/2026, 12:00:00 AM
Chance Showers And Thunderstorms70°F · wind 8 mph · gusts 16 mph8/30/2026, 1:00:00 AM
Chance Showers And Thunderstorms67°F · wind 7 mph · gusts 13 mph8/30/2026, 2:00:00 AM
Slight Chance Showers And Thunderstorms69°F · wind 7 mph · gusts 12 mph8/30/2026, 3:00:00 AM

Official gauge and corroborating observation

River and flood-stage context

Colorado River near Grand Canyon VillageObserved stage 7.22Gauge associated with the stored warning geometry; association does not establish flood cause or impact.
USGS corroborationStage 7.22Provisional USGS data

Source-timed facts

Current incident picture

Values stay attached to the authority and time that supplied them.

Affected areas
Coconino, AZ
National Weather Service · source Aug 29, 2026, 9:42 PM
County count
1 counties
National Weather Service · source Aug 29, 2026, 9:42 PM
Official alert
Flash Flood Warning
National Weather Service · source Aug 29, 2026, 9:42 PM
Severity
Severe
National Weather Service · source Aug 29, 2026, 9:42 PM
Ugc county codes
AZC005
National Weather Service · source Aug 29, 2026, 9:42 PM
Urgency
Immediate
National Weather Service · source Aug 29, 2026, 9:42 PM
Warning count
1 warnings
National Weather Service · source Aug 29, 2026, 9:42 PM
Represented population
142,481 people
U.S. Census Bureau 2020 Decennial Census · source Apr 1, 2020, 12:00 AM

Geographic context

Incident area and nearby places

Map geometry shows the official source shape when available. It does not predict impact outside or inside the line.

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Map-equivalent affected-area text

Coconino, AZ

Source center: 36.178, -112.107. A point or perimeter is context, not a safety boundary.

  • Coconino, AZ

Material revisions

What changed

Only stored fact changes enter this timeline.

  1. Official source facts changed.

  2. Official source facts changed.

  3. Official source facts changed.

  4. Incident first observed.

Provenance and handoffs

Official sources

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How this briefing is assembled

Source facts are stored with source and retrieval times. The page renders stored records only. Optional generated context is omitted whenever validation fails and never controls emergency instructions, containment, road status, health guidance, or publication.