Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 4, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Jul 16, 2017, 11:25 PM MST for Gila County, Arizona. It was in force for 3 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
- Jul 16, 2017, 11:25 PM MST (06:25 UTC)
- Expired
- Jul 17, 2017, 2:30 AM MST
- In force
- 3 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Gila County, AZ
The radar
The Phoenix radar (KIWA), 80 km from the middle of the area, began a volume at 06:24 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, 6.4 hours before the alert went out and 108 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
- 629 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 2295 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
278
WGUS55 KPSR 170625
FFWPSR
AZC007-170930-
/O.NEW.KPSR.FF.W.0004.170717T0625Z-170717T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
1125 PM MST SUN JUL 16 2017
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for...
Gila County in east central Arizona...
* Until 230 AM MST
* At 1124 PM MST, Doppler radar indicated heavy rain across the
warned area which includes the Pinal Fire burn scar and immediate
downstream canyons. Flash flooding is expected to begin shortly.
Canyons will experience a rapid rise in water levels.
* Some locations that will experience flooding include...
Globe and Central Heights-Midland City.
The affected areas are in and below the recently burned Pinal Fire
Burn Scar. This includes Kellner Canyon, Ice House Canyon,
Sixshooter Canyon, Russell Gulch, and Pinal Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Residents should move to higher ground and away from the creek.
Motorists should not attempt to cross low water crossing or bridges.
&&
LAT...LON 3335 11076 3333 11078 3327 11080 3329 11083
3329 11087 3332 11085 3333 11085 3336 11083
3340 11083 3340 11079 3338 11076
$$
AD3 follow-up statements
350
WGUS75 KPSR 170652
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
1152 PM MST SUN JUL 16 2017
AZC007-170930-
/O.CON.KPSR.FF.W.0004.000000T0000Z-170717T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
1152 PM MST SUN JUL 16 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM MST FOR
GILA COUNTY...
At 1151 PM MST, Doppler radar indicated heavy rain nearing one inch
in total has fallen across the warned area. Flash flooding may have
already begun.
Canyons will experience a rapid rise in water levels.
Some locations that will experience flooding include...
Globe and Central Heights-Midland City.
The affected areas are in and below the recently burned Pinal Fire
Burn Scar. This includes Kellner Canyon, Ice House Canyon,
Sixshooter Canyon, Russell Gulch, and Pinal Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Residents should move to higher ground and away from the creek.
Motorists should not attempt to cross low water crossing or bridges.
Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is likely. The heavy rains
will likely trigger rockslides, mudslides and debris flows in steep
terrain, especially in and around these areas.
&&
LAT...LON 3335 11076 3333 11078 3327 11080 3329 11083
3329 11087 3332 11085 3333 11085 3336 11083
3340 11083 3340 11079 3338 11076
$$
AD136
WGUS75 KPSR 170740
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
1240 AM MST MON JUL 17 2017
AZC007-170930-
/O.CON.KPSR.FF.W.0004.000000T0000Z-170717T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
1240 AM MST MON JUL 17 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM MST FOR
GILA COUNTY...
At 1239 AM MST, Doppler radar indicated heavy rain across the warned
area. Flash flooding may have begun, and additional precipitation
is likely.
Canyons will experience a rapid rise in water levels.
Some locations that will experience flooding include...
Globe and Central Heights-Midland City.
The affected areas are in and below the recently burned Pinal Fire
Burn Scar. This includes Kellner Canyon, Ice House Canyon,
Sixshooter Canyon, Russell Gulch, and Pinal Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Residents should move to higher ground and away from the creek.
Motorists should not attempt to cross low water crossing or bridges.
Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is likely. The heavy rains
will likely trigger rockslides, mudslides and debris flows in steep
terrain, especially in and around these areas.
&&
LAT...LON 3335 11076 3333 11078 3327 11080 3329 11083
3329 11087 3332 11085 3333 11085 3336 11083
3340 11083 3340 11079 3338 11076
$$
AD770
WGUS75 KPSR 170922
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
222 AM MST MON JUL 17 2017
AZC007-170931-
/O.EXP.KPSR.FF.W.0004.000000T0000Z-170717T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gila AZ-
222 AM MST MON JUL 17 2017
...THE FLASH FLOOD WARNING FOR GILA COUNTY WILL EXPIRE AT 230 AM
MST...
The heavy rain has ended, and flooding is no longer expected to pose
a threat over the Pinal Burn Scar Area. Some light rain may continue
through the night. Please continue to heed all road closures.
LAT...LON 3335 11076 3333 11078 3327 11080 3329 11083
3329 11087 3332 11085 3333 11085 3336 11083
3340 11083 3340 11079 3338 11076
$$
ADThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:19 PM MST | Special Weather Statement | PSR | Pinal | 56 min |
| Jul 16, 5:48 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 57 min |
| Jul 16, 6:16 PM MST | Blowing Dust Advisory | PSR | Maricopa, Pinal | 104 min |
| Jul 16, 6:36 PM MST | Special Weather Statement | PSR | 39 min | |
| Jul 16, 6:46 PM MST | Special Weather Statement | PSR | Pinal | 59 min |
| Jul 16, 7:48 PM MST | Special Weather Statement | PSR | Pinal | 57 min |
| Jul 16, 7:52 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 38 min |
| Jul 16, 8:12 PM MST | Special Weather Statement | PSR | Pinal | 48 min |
| Jul 16, 9:12 PM MST | Severe Thunderstorm Warning | PSR | Gila, Maricopa | 33 min |
| Jul 16, 9:35 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 25 min |
| Jul 16, 10:06 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 24 min |
| Jul 16, 10:08 PM MST | Special Weather Statement | PSR | Maricopa | 52 min |
| Jul 16, 10:20 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 25 min |
| Jul 16, 10:29 PM MST | Flash Flood Warning | PSR | Maricopa, Pinal | 3 hr |
| Jul 16, 10:33 PM MST | Special Weather Statement | PSR | Maricopa | 72 min |
| Jul 16, 10:46 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 29 min |
| Jul 16, 10:53 PM MST | Dust Storm Warning | PSR | Maricopa, Pinal | 88 min |
| Jul 16, 11:08 PM MST | Special Weather Statement | PSR | Maricopa | 82 min |
| Jul 16, 11:51 PM MST | Areal Flood Advisory | PSR | Maricopa | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2017Every flash flood warning in 2017
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.