Alert archive / Arizona / Flash Flood Warnings in 2021

Flash Flood Warning 22, NWS Phoenix, AZ

July 4, 2021Gila County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 4, 2021, 5:49 PM MST for Gila County, Arizona. It was in force for 4 hr. 3 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 4, 2021, 5:49 PM MST (00:49 UTC)
Expired: Jul 4, 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), 82 km from the middle of the area, began a volume at 00:53 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 4, 6:15 PM MST	FLASH FLOOD	3 Sse Globe, AZ	DELAYED REPORT SIGNIFICANT FLOODING OVER BRIDGE ON SIX SHOOTER CANYON RD. AT MOUNTAINGATE ESTATES MOBILE HOME PARK. VIDEO AND PICTURES POSTED TO SOCIAL MEDIA.
Jul 4, 6:15 PM MST	FLASH FLOOD	3 Sse Globe, AZ	VIDEO POSTED TO SOCIAL MEDIA SHOWS FLOODING OCCURRING OVER A BRIDGE ON SIX SHOOTER CANYON RD.
Jul 4, 7:45 PM MST	FLASH FLOOD	3 Sse Globe, AZ	DAMAGE TO HOME NEAR PUEBLO HEIGHTS DEVELOPMENT IN SIX SHOOTER CANYON FROM FLASH FLOOD. NO INJURIES REPORTED. INFORMATION FROM ABC15 VIA GILA COUNTY EM.

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, 0.8 hours before the alert went out and 110 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: 131 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 2488 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

598 
WGUS55 KPSR 050049
FFWPSR
AZC007-050445-
/O.NEW.KPSR.FF.W.0022.210705T0049Z-210705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
549 PM MST Sun Jul 4 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 945 PM MST.

* At 549 PM MST, Doppler radar indicated thunderstorms producing 
  heavy rain over northeastern parts of 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, Central Heights-Midland City, Sixshooter Canyon, Ice House  
  Canyon, and Pinal Creek.




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 3337 11077 3333 11076 3326 11076 3325 11079
      3325 11085 3333 11085 3339 11080 3339 11077

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

$$

Rogers

3 follow-up statements

961 
WGUS75 KPSR 050210
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
710 PM MST Sun Jul 4 2021

AZC007-050445-
/O.CON.KPSR.FF.W.0022.000000T0000Z-210705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
710 PM MST Sun Jul 4 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT 
UNTIL 945 PM MST THIS EVENING FOR GILA COUNTY...

At 710 PM MST, The public reported thunderstorms producing heavy 
rain over the Telegraph Burn Scar. Flash flooding is ongoing or 
expected to begin shortly. Six Shooter Canyon Wash is flowing with 
water near Globe.

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

SOURCE...Public reported.

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

Some locations that will experience flash flooding include...
  Globe and Central Heights-Midland City.

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 3337 11077 3333 11076 3326 11076 3325 11079
      3325 11085 3333 11085 3339 11080 3339 11077

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

$$

Rogers

811 
WGUS75 KPSR 050245
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
745 PM MST Sun Jul 4 2021

AZC007-050445-
/O.CON.KPSR.FF.W.0022.000000T0000Z-210705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
745 PM MST Sun Jul 4 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR REMAINS IN EFFECT 
UNTIL 945 PM MST THIS EVENING FOR GILA COUNTY...

At 745 PM MST, The public reported thunderstorms producing heavy 
rain over the Telegraph Burn Scar. Flash flooding is ongoing or 
expected to begin shortly. There have been multiple confirmed 
reports of flood waters flowing through Pinal creek, including in 
downtown Globe and upstream through Six Shooter Canyon.

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

SOURCE...Public reported.

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

Some locations that will experience flash flooding include...
  Globe, Central Heights-Midland City, Sixshooter Canyon, Ice House  
  Canyon, and Pinal Creek.

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 3337 11077 3333 11076 3326 11076 3325 11079
      3325 11085 3333 11085 3339 11080 3339 11077

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

$$

SDB

891 
WGUS75 KPSR 050440
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
940 PM MST Sun Jul 4 2021

AZC007-050450-
/O.EXP.KPSR.FF.W.0022.000000T0000Z-210705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
940 PM MST Sun Jul 4 2021

...FLASH FLOOD WARNING FOR THE TELEGRAPH BURN SCAR WILL EXPIRE AT 
945 PM MST THIS EVENING FOR GILA COUNTY...

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

LAT...LON 3337 11077 3333 11076 3326 11076 3325 11079
      3325 11085 3333 11085 3339 11080 3339 11077

$$

SDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 5:02 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	4 hr
Jul 4, 5:22 PM MST	Special Weather Statement	PSR	Gila	23 min
Jul 4, 5:53 PM MST	Special Weather Statement	PSR		37 min
Jul 5, 12:59 PM MST	Excessive Heat Watch	PSR	La Paz, Maricopa	49 hr

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.