Alert archive / Arizona / Flash Flood Warnings in 2021
Flash Flood Warning 244, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Sep 5, 2021, 3:54 PM MST for Gila County, Arizona. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2021, 3:54 PM MST (22:54 UTC)
- Expired
- Sep 5, 2021, 8:00 PM MST
- In force
- 4 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Gila County, AZ
The radar
The Phoenix radar (KIWA), 98 km from the middle of the area, began a volume at 22:54 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.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 12:00Z, 10.9 hours before the alert went out and 125 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3673 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
556
WGUS55 KPSR 052254
FFWPSR
AZC007-060300-
/O.NEW.KPSR.FF.W.0244.210905T2254Z-210906T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
354 PM MST Sun Sep 5 2021
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for...
The Griffen burn scar in...
Gila County in east central Arizona...
* Until 800 PM MST.
* At 354 PM MST, Doppler radar indicated thunderstorms producing
heavy rain over the Griffen Burn Scar. Between 0.5 and 1.5 inches
of rain have fallen. Additional rainfall amounts up to 1 inch 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 Griffen
Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Griffen Burn Scar.
* Some locations that will experience flash flooding include...
Globe and Cutter.
This includes the following highways...
AZ Route 70 between mile markers 254 and 260.
US Highway 60 between mile markers 256 and 257...and
near mile marker 261.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3351 11068 3352 11065 3351 11063 3347 11061
3346 11059 3344 11057 3343 11053 3340 11053
3342 11056 3343 11061 3341 11061 3340 11062
3336 11060 3334 11063 3335 11071 3336 11074
3352 11071
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iniguez2 follow-up statements
706
WGUS75 KPSR 060103
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
603 PM MST Sun Sep 5 2021
AZC007-060300-
/O.CON.KPSR.FF.W.0244.000000T0000Z-210906T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
603 PM MST Sun Sep 5 2021
...FLASH FLOOD WARNING FOR THE GRIFFEN BURN SCAR REMAINS IN EFFECT
UNTIL 8 PM MST THIS EVENING FOR GILA COUNTY...
At 603 PM MST, Doppler radar indicated thunderstorms producing heavy
rain over the Griffen Burn Scar. Between 1 and 2 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Griffen Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Griffen Burn Scar.
Some locations that will experience flash flooding include...
Globe and Cutter.
This includes the following highways...
AZ Route 70 between mile markers 255 and 261.
US Highway 60 between mile markers 256 and 257...and
between mile markers 261 and 262.
AZ Route 77 near mile marker 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3351 11068 3352 11065 3351 11063 3347 11061
3346 11059 3344 11057 3343 11053 3340 11053
3342 11056 3343 11061 3341 11061 3340 11062
3336 11060 3334 11063 3335 11071 3336 11074
3352 11071
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iniguez061
WGUS75 KPSR 060252
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
752 PM MST Sun Sep 5 2021
AZC007-060302-
/O.EXP.KPSR.FF.W.0244.000000T0000Z-210906T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
752 PM MST Sun Sep 5 2021
...FLASH FLOOD WARNING FOR THE GRIFFEN BURN SCAR WILL EXPIRE AT 8 PM
MST THIS EVENING FOR GILA COUNTY...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3351 11068 3352 11065 3351 11063 3347 11061
3346 11059 3344 11057 3343 11053 3340 11053
3342 11056 3343 11061 3341 11061 3340 11062
3336 11060 3334 11063 3335 11071 3336 11074
3352 11071
$$
IniguezThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 3:12 PM MST | Special Weather Statement | PSR | Gila | 48 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.