Alert archive / Arizona / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Jul 8, 2021, 6:10 PM MST for Gila County, Arizona. It was in force for 4 hr. 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 8, 2021, 6:10 PM MST (01:10 UTC)
- Expired
- Jul 8, 2021, 10:15 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), 76 km from the middle of the area, began a volume at 01:10 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 8, 6:40 PM MST | FLASH FLOOD | 1 E Claypool, AZ | **DELAYED REPORT** FLASH FLOODING IN RUSSELL GULCH ORIGINATING FROM TELEGRAPH FIRE BURN SCAR. LOW WATER CROSSING FLOODED AND CLOSED AT MEDICAL CENTER. BRIDGE NEAR MEDICAL CENTER CAME CLOSE TO OVER TOPPING. WATER SPILLED OUT OF CHANNEL NEAR PUBLIC WORKS YARD BU |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 00:00Z, 1.2 hours before the alert went out and 104 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
- 494 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 3376 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
376
WGUS55 KPSR 090110
FFWPSR
AZC007-090515-
/O.NEW.KPSR.FF.W.0023.210709T0110Z-210709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
610 PM MST Thu Jul 8 2021
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for...
The Telegraph burn scar in...
Gila County in east central Arizona...
* Until 1015 PM MST.
* At 610 PM MST, Doppler radar indicated thunderstorms producing
heavy rain over the Telegraph Burn Scar. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding in and around the Telegraph
Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Telegraph Burn Scar.
* Some locations that will experience flash flooding include...
Globe, Claypool, Central Heights-Midland City, and Russell Gulch.
This warning includes Russell Gulch and areas downstream.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Telegraph Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3329 11084 3328 11091 3331 11094 3333 11091
3334 11086 3339 11084 3344 11084 3344 11083
3344 11080 3333 11081
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Rogers3 follow-up statements
043
WGUS75 KPSR 090211
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
711 PM MST Thu Jul 8 2021
AZC007-090515-
/O.CON.KPSR.FF.W.0023.000000T0000Z-210709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
711 PM MST Thu Jul 8 2021
...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT
UNTIL 1015 PM MST THIS EVENING FOR GILA COUNTY...
At 711 PM MST, Doppler radar indicated thunderstorms produced heavy
rain over parts of the Telegraph Burn Scar within Russell Gulch.
Between 0.75 and 1.25 inches of rain have fallen. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Telegraph Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Telegraph Burn Scar.
Some locations that will experience flash flooding include...
Globe, Claypool, Central Heights-Midland City, and Russell Gulch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Telegraph Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3329 11084 3328 11091 3331 11094 3333 11091
3334 11086 3339 11084 3344 11084 3344 11083
3344 11080 3333 11081
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Rogers939
WGUS75 KPSR 090252
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
752 PM MST Thu Jul 8 2021
AZC007-090515-
/O.CON.KPSR.FF.W.0023.000000T0000Z-210709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
752 PM MST Thu Jul 8 2021
...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT
UNTIL 1015 PM MST THIS EVENING FOR GILA COUNTY...
At 752 PM MST, Doppler radar indicated thunderstorms produced heavy
rain over the Telegraph Burn Scar. Between 0.75 and 1.25 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 Telegraph Burn Scar.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of areas in and around
the Telegraph Burn Scar.
Some locations that will experience flash flooding include...
Globe, Claypool, Central Heights-Midland City, and Russell Gulch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Telegraph Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3329 11084 3328 11091 3331 11094 3333 11091
3334 11086 3339 11084 3344 11084 3344 11083
3344 11080 3333 11081
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Rogers160
WGUS75 KPSR 090515
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
1015 PM MST Thu Jul 8 2021
AZC007-090525-
/O.EXP.KPSR.FF.W.0023.000000T0000Z-210709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
1015 PM MST Thu Jul 8 2021
...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR HAS EXPIRED FOR
GILA COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3329 11084 3328 11091 3331 11094 3333 11091
3334 11086 3339 11084 3344 11084 3344 11083
3344 11080 3333 11081
$$
SDBThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 5:38 PM MST | Special Weather Statement | PSR | Gila | 37 min |
| Jul 8, 6:04 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 26 min |
| Jul 8, 6:32 PM MST | Special Weather Statement | PSR | Pinal | 43 min |
| Jul 9, 4:53 PM MST | Special Weather Statement | PSR | Gila | 52 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.