Alert archive / Arizona / Flash Flood Warnings in 2021

Flash Flood Warning 105, NWS Phoenix, AZ

July 29, 2021Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 29, 2021, 1:36 PM MST for Gila County, Arizona. It was in force for 6 hr. 4 reports 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 29, 2021, 1:36 PM MST (20:36 UTC)
Expired: Jul 29, 2021, 7:27 PM MST
In force: 6 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), 72 km from the middle of the area, began a volume at 20:36 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 29, 2:23 PM MST	FLASH FLOOD	1 Sw Miami, AZ	ADOT REPORTS CLOSURE OF US-60 IN BOTH DIRECTIONS NEAR MILEPOST 243 DUE TO MOVING WATER OVER THE ROADWAY.
Jul 29, 2:41 PM MST	FLASH FLOOD	Miami, AZ	VIDEO FROM SOCIAL MEDIA SHOWS BLOODY TANKS WASH OVERTOPPING ITS BANKS. WATER CAN BE SEEN ENTERING BUILDINGS NEAR CORDOVA AVE. WHERE VIDEO WAS TAKEN.
Jul 29, 2:55 PM MST	FLASH FLOOD	1 Sw Miami, AZ	BLOODY TANKS WASH IS OUT OF THE BANKS AND IS FLOWING ACROSS US-60 ALONG LIVE OAK ST. AT THE INTERSECTION OF CANYON AVE. AND PLAZA AVE.
Jul 29, 4:00 PM MST	FLASH FLOOD	4 N Claypool, AZ	ADOT REPORTS THAT HWY. 188 IN BOTH DIRECTIONS IS CLOSED NEAR N. BIXBY RD. AND MP 219 DUE TO FLOODING.

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 12:00Z, 8.6 hours before the alert went out and 100 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 371 J/kg
Mixed-layer CIN: -231 J/kg
Mixed-layer LCL: 2650 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

508 
WGUS55 KPSR 292036
FFWPSR
AZC007-300045-
/O.NEW.KPSR.FF.W.0105.210729T2036Z-210730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
136 PM MST Thu Jul 29 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 545 PM MST.

* At 136 PM MST, Doppler radar indicated thunderstorms producing 
  heavy rain over the Telegraph Burn Scar. Between 0.5 and 1 inch of 
  rain has 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, Miami, Claypool, Central Heights-Midland City, 
  Top-Of-The-World and Inspiration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MS

5 follow-up statements

510 
WGUS75 KPSR 292050
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
150 PM MST Thu Jul 29 2021

AZC007-300045-
/O.CON.KPSR.FF.W.0105.000000T0000Z-210730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
150 PM MST Thu Jul 29 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT 
UNTIL 545 PM MST THIS AFTERNOON FOR GILA COUNTY...

At 150 PM MST, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain over the Telegraph Burn Scar. 
Between 0.5 and 1.5 inches of rain have fallen. Flash flooding is 
ongoing or expected to begin shortly.

Excessive rainfall over the burn scar and in particular over Russell 
Gulch will result in a rapid rise along the creek.  Over 1.50 inch 
has fallen in the rain gage located in upper Russel Gulch.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Telegraph Burn Scar.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of areas in and around
         the Telegraph Burn Scar.

Some locations that will experience flash flooding include...
  Globe, Miami, Claypool, Central Heights-Midland City, 
  Top-Of-The-World and Inspiration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MS

642 
WGUS75 KPSR 292125
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
225 PM MST Thu Jul 29 2021

AZC007-300045-
/O.CON.KPSR.FF.W.0105.000000T0000Z-210730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
225 PM MST Thu Jul 29 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT 
UNTIL 545 PM MST THIS AFTERNOON FOR GILA COUNTY...

At 225 PM MST, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain over the Telegraph Burn Scar. 
Between 2 and 3 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.

Excessive rainfall over the burn scar has resulted in rapid rises 
along both Russell Gulch and Bloody Tanks Wash.  Portions of Russel 
Gulch have received 2 to 3 inches of rain within about the past 
hour.  This is a dangerous situation.  Both creeks have the 
potential to overtop their banks and impact infrastructure.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Telegraph Burn Scar.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of areas in and around
         the Telegraph Burn Scar.

Some locations that will experience flash flooding include...
  Globe, Miami, Claypool, Central Heights-Midland City, 
  Top-Of-The-World and Inspiration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MS

469 
WGUS75 KPSR 292212
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
312 PM MST Thu Jul 29 2021

AZC007-300045-
/O.CON.KPSR.FF.W.0105.000000T0000Z-210730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
312 PM MST Thu Jul 29 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT 
UNTIL 545 PM MST THIS AFTERNOON FOR GILA COUNTY...

At 312 PM MST, local law enforcement reported homes being impacted 
by flood waters in Miami. Between 1 and 3 inches of rain have fallen 
over the burn scar. Flash flooding is ongoing.

Excessive rainfall over the burn scar has resulted in rapid rises in 
Bloody Tanks Wash and Russell Gulch.  Pinal Creek has risen as well.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding in and around the Telegraph Burn Scar.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of areas in and around
         the Telegraph Burn Scar.

Some locations that will experience flash flooding include...
  Globe, Miami, Claypool, Central Heights-Midland City, 
  Top-Of-The-World and Inspiration.

This includes the following highways...
	AZ Route 70 between mile markers 253 and 256.
	AZ Route 188 between mile markers 214 and 224.
	US Highway 60 between mile markers 237 and 244...and
	near mile marker 245.
	AZ Route 77 between mile markers 169 and 170.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MS

449 
WGUS55 KPSR 292322
FFWPSR
AZC007-300245-
/O.EXT.KPSR.FF.W.0105.000000T0000Z-210730T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
422 PM MST Thu Jul 29 2021

The National Weather Service in Phoenix has extended the

* Flash Flood Warning for...
  The Telegraph burn scar in...
  Gila County in east central Arizona...

* Until 745 PM MST.

* At 422 PM MST, local law enforcement reported flooding of homes 
  and impacts to bridges in Miami. Between 1 and 3 inches of rain 
  have fallen earlier over Russell Gulch and Bloody Tanks Wash. 
  Water has exceeded its banks along Bloody Tanks Wash. Additional 
  rainfall amounts up to 0.5 inches are possible in the warned area. 
  Flash flooding is ongoing.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding in and around the Telegraph
           Burn Scar.

  SOURCE...Law enforcement reported.

  IMPACT...Life threatening flash flooding of areas in and around
           the Telegraph Burn Scar.

* Some locations that will experience flash flooding include...
  Globe, Miami, Claypool, Central Heights-Midland City, 
  Top-Of-The-World and Inspiration.

This includes the following highways...
	AZ Route 70 between mile markers 253 and 256.
	AZ Route 188 between mile markers 214 and 224.
	US Highway 60 between mile markers 237 and 244...and
	near mile marker 245.
	AZ Route 77 between mile markers 169 and 170.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MS

767 
WGUS75 KPSR 300227
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
727 PM MST Thu Jul 29 2021

AZC007-300237-
/O.CAN.KPSR.FF.W.0105.000000T0000Z-210730T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
727 PM MST Thu Jul 29 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR IS CANCELLED FOR 
GILA COUNTY...

Flood waters have receded and the heavy rain has ended. Flooding is 
no longer expected to pose a threat this evening. Please continue to 
heed remaining road closures.

LAT...LON 3327 11088 3329 11095 3332 11097 3334 11097
      3338 11099 3339 11100 3345 11102 3354 11090
      3357 11086 3346 11078 3336 11070 3329 11079

$$

Hirsch

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 12:56 PM MST	Special Weather Statement	PSR	Maricopa	49 min
Jul 29, 1:14 PM MST	Special Weather Statement	PSR		46 min
Jul 29, 1:22 PM MST	Special Weather Statement	PSR	Yuma	38 min
Jul 29, 1:24 PM MST	Special Weather Statement	PSR	Gila	51 min
Jul 29, 1:26 PM MST	Flash Flood Watch	PSR	La Paz, Maricopa, Yuma	40 hr
Jul 29, 1:33 PM MST	Special Weather Statement	PSR	Gila	42 min
Jul 29, 1:35 PM MST	Areal Flood Advisory	PSR	Maricopa	22 min
Jul 29, 1:42 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	48 min
Jul 29, 1:57 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Jul 29, 1:58 PM MST	Severe Thunderstorm Warning	PSR	Gila, Pinal	47 min
Jul 29, 2:07 PM MST	Special Weather Statement	PSR		53 min
Jul 29, 2:11 PM MST	Special Weather Statement	PSR	Yuma	49 min
Jul 29, 2:25 PM MST	Areal Flood Advisory	PSR	La Paz, Maricopa	3 hr
Jul 29, 2:32 PM MST	Special Weather Statement	PSR	Yuma	43 min
Jul 29, 2:35 PM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Jul 29, 2:44 PM MST	Special Weather Statement	PSR	Gila	46 min
Jul 29, 3:00 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Jul 29, 3:04 PM MST	Special Weather Statement	PSR	La Paz	41 min
Jul 29, 3:17 PM MST	Flash Flood Warning EmergencyCatastrophic damage threat	PSR	Gila	3 hr
Jul 29, 3:19 PM MST	Special Weather Statement	PSR	Yuma	41 min
Jul 29, 3:23 PM MST	Special Weather Statement	PSR	Gila	52 min
Jul 29, 3:53 PM MST	Areal Flood Advisory	PSR	La Paz, Maricopa, Yuma	3 hr
Jul 29, 3:56 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	4 hr
Jul 29, 3:59 PM MST	Special Weather Statement	PSR		61 min
Jul 29, 4:00 PM MST	Areal Flood Advisory	PSR	La Paz	3 hr
Jul 29, 4:17 PM MST	Special Weather Statement	PSR	La Paz	58 min
Jul 29, 4:18 PM MST	Areal Flood Advisory	PSR	La Paz	3 hr
Jul 29, 4:40 PM MST	Areal Flood Advisory	PSR	La Paz	3 hr
Jul 29, 4:42 PM MST	Areal Flood Advisory	PSR	Yuma	3 hr
Jul 29, 4:48 PM MST	Special Weather Statement	PSR		57 min

Nearby

Flash Flood Warnings in Arizona, 2021 Every 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.