Alert archive / Arizona / Flash Flood Warnings in 2021
Flash Flood Warning 106, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Jul 25, 2021, 2:27 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 108 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 25, 2021, 2:27 PM MST (21:27 UTC)
- Expired
- Jul 25, 2021, 4:15 PM MST
- In force
- 108 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Coconino County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 88 km from the middle of the area, began a volume at 21:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 4:15 PM MST | FLASH FLOOD | 7 N Clarkdale, AZ | GAUGE AT VERDE RIVER AND SYCAMORE CREEK (VDCA3) ROSE 2.0 FT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.5 hours before the alert went out and 36 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 4 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
100
WGUS55 KFGZ 252127
FFWFGZ
AZC005-025-252215-
/O.NEW.KFGZ.FF.W.0106.210725T2127Z-210725T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
227 PM MST Sun Jul 25 2021
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
The Rafael Fire scar in...
Coconino County in north central Arizona...
Yavapai County in west central Arizona...
* Until 315 PM MST.
* At 227 PM MST, Doppler radar indicated thunderstorms producing
heavy rain over the Rafael Fire scar. Between 0.75 and 1.5 inches
of rain have fallen. Additional rainfall amounts of 0.75 to 1.5
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 Rafael Fire
scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Rafael Fire scar.
* Some locations that will experience flash flooding include...
mainly rural areas of Coconino and Yavapai Counties
This includes the following swimming holes...
Parsons Spring along Sycamore Creek.
This includes the following streams and drainages...
Verde River, Sycamore Creek, JD Dam Wash, West Fork Oak Creek,
Spring Creek, Volunteer Wash, Coffee Creek, Railroad Draw and Tule
Tank Wash.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get to higher ground immediately! Flash flood waters and debris will
inundate recreation trails crossing washes within and downstream of
Sycamore Canyon and Creek, including Parsons and Dogie Trails.
&&
LAT...LON 3497 11218 3504 11211 3513 11191 3507 11184
3498 11195 3494 11199 3491 11202 3478 11204
3488 11216
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
TPS2 follow-up statements
158
WGUS55 KFGZ 252209
FFWFGZ
AZC005-025-252315-
/O.EXT.KFGZ.FF.W.0106.000000T0000Z-210725T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
309 PM MST Sun Jul 25 2021
The National Weather Service in Flagstaff has extended the
* Flash Flood Warning for...
The Rafael Fire scar in...
Coconino County in north central Arizona...
Yavapai County in west central Arizona...
* Until 415 PM MST.
* At 307 PM MST, Doppler radar indicated thunderstorms producing
heavy rain have ended over the Rafael Fire scar. Between 1 and 2
inches of rain have fallen. Additional rainfall amounts up to 0.25
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Life-threatening flash flooding. Thunderstorms
producing flash flooding in and around the Rafael Fire
scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Rafael Fire scar.
* Some locations that will experience flash flooding include...
mainly rural areas of Coconino and Yavapai Counties
This includes the following swimming holes...
Parsons Spring along Sycamore Creek.
This includes the following streams and drainages...
Verde River, Sycamore Creek, JD Dam Wash, West Fork Oak Creek,
Spring Creek, Volunteer Wash, Coffee Creek, Railroad Draw and Tule
Tank Wash.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get to higher ground immediately! Flash flood waters and debris will
inundate recreation trails crossing washes within and downstream of
Sycamore Canyon and Creek, including Parsons and Dogie Trails.
&&
LAT...LON 3497 11218 3504 11211 3513 11191 3507 11184
3498 11195 3494 11199 3491 11202 3478 11204
3488 11216
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
TPS956
WGUS75 KFGZ 252310
FFSFGZ
Flash Flood Statement
National Weather Service Flagstaff AZ
410 PM MST Sun Jul 25 2021
AZC005-025-252320-
/O.EXP.KFGZ.FF.W.0106.000000T0000Z-210725T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coconino AZ-Yavapai AZ-
410 PM MST Sun Jul 25 2021
...FLASH FLOOD WARNING FOR THE RAFAEL FIRE SCAR WILL EXPIRE AT 415
PM MST THIS AFTERNOON FOR COCONINO AND YAVAPAI COUNTIES...
The heavy rain threat has ended over the Rafael Fire Scar. Flooding
is no longer expected to pose a threat. Please continue to heed
remaining road closures.
A Flash Flood Watch remains in effect until 1200 AM MST Monday for
portions of east central Arizona, north central Arizona, northeast
Arizona and west central Arizona.
LAT...LON 3497 11218 3504 11211 3513 11191 3507 11184
3498 11195 3494 11199 3491 11202 3478 11204
3488 11216
$$
TPSThe office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 5:30 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Navajo | 30 min |
| Jul 24, 7:12 PM MST | Areal Flood Advisory | FGZ | Coconino, Navajo | 3 hr |
| Jul 24, 7:50 PM MST | Areal Flood Advisory | FGZ | Coconino | 3 hr |
| Jul 24, 8:49 PM MST | Areal Flood Advisory | FGZ | Coconino, Yavapai | 3 hr |
| Jul 24, 9:32 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
| Jul 24, 10:47 PM MST | Areal Flood Warning | FGZ | Navajo | 6 hr |
| Jul 24, 11:06 PM MST | Areal Flood Advisory | FGZ | Apache, Coconino, Navajo | 12 hr |
| Jul 25, 2:30 AM MST | Areal Flood Advisory | FGZ | Coconino, Navajo | 24 hr |
| Jul 25, 2:51 AM MST | Flash Flood Warning | FGZ | Yavapai | 6 hr |
| Jul 25, 4:58 AM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 25, 9:15 AM MST | Areal Flood Warning | FGZ | Apache, Coconino, Navajo | 13 hr |
| Jul 25, 11:05 AM MST | Flash Flood Warning | FGZ | Navajo | 11 hr |
| Jul 25, 12:39 PM MST | Flash Flood Warning | FGZ | Coconino, Gila, Yavapai | 3 hr |
| Jul 25, 1:51 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Jul 25, 2:52 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 25, 3:28 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.