Alert archive / Arizona / Flash Flood Warnings in 2021
Flash Flood Warning 245, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Sep 5, 2021, 5:36 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, 5:36 PM MST (00:36 UTC)
- Expired
- Sep 5, 2021, 9:45 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), 88 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 120 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
- 48 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 3562 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
012
WGUS55 KPSR 060036
FFWPSR
AZC007-060445-
/O.NEW.KPSR.FF.W.0245.210906T0036Z-210906T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
536 PM MST Sun Sep 5 2021
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for...
Gila County in east central Arizona...
* Until 945 PM MST.
* At 536 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 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.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Hayden, Winkelman and Christmas.
This includes the following highways...
AZ Route 177 between mile markers 137 and 138.
AZ Route 77 between mile markers 135 and 147.
Water will be draining through Dripping Spring Wash and Mineral
creek, impacting low water crossings and other tributaries.
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 3314 11088 3316 11085 3314 11079 3312 11076
3315 11073 3313 11067 3309 11069 3308 11069
3308 11071 3307 11073 3305 11072 3304 11072
3304 11073 3302 11073 3301 11075 3300 11076
3299 11077 3298 11078
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iniguez2 follow-up statements
173
WGUS75 KPSR 060214
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
714 PM MST Sun Sep 5 2021
AZC007-060445-
/O.CON.KPSR.FF.W.0245.000000T0000Z-210906T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
714 PM MST Sun Sep 5 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MST THIS
EVENING FOR GILA COUNTY...
At 714 PM MST, Doppler radar indicated thunderstorms produced heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Hayden, Winkelman and Christmas.
This includes the following highways...
AZ Route 177 between mile markers 137 and 138.
AZ Route 77 between mile markers 135 and 143...and
between mile markers 146 and 149.
Water will be draining through Dripping Spring Wash and Mineral
creek, impacting low water crossings and other tributaries.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3314 11088 3316 11085 3314 11079 3312 11076
3315 11073 3313 11067 3309 11069 3308 11069
3308 11071 3307 11073 3305 11072 3304 11072
3304 11073 3302 11073 3301 11075 3300 11076
3299 11077 3298 11078
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iniguez949
WGUS75 KPSR 060437
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
937 PM MST Sun Sep 5 2021
AZC007-060447-
/O.EXP.KPSR.FF.W.0245.000000T0000Z-210906T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
937 PM MST Sun Sep 5 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM MST THIS EVENING FOR
GILA COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3314 11088 3316 11085 3314 11079 3312 11076
3315 11073 3313 11067 3309 11069 3308 11069
3308 11071 3307 11073 3305 11072 3304 11072
3304 11073 3302 11073 3301 11075 3300 11076
3299 11077 3298 11078
$$
ADThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 5:04 PM MST | Severe Thunderstorm Warning | PSR | Gila, Pinal | 41 min |
| Sep 5, 5:43 PM MST | Dust Storm Advisory | PSR | Maricopa, Pinal | 89 min |
| Sep 6, 12:12 PM MST | Excessive Heat Warning | PSR | La Paz, Maricopa | 3 days |
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.