Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 7, NWS Flagstaff, AZ

July 2, 2016Gila County, Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jul 2, 2016, 6:45 AM MST for Gila County, Yavapai County, Arizona. It was in force for 2 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 2, 2016, 6:45 AM MST (13:45 UTC)
Expired: Jul 2, 2016, 8:45 AM MST
In force: 2 hr
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Flood severity: None

Counties Gila County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 64 km from the middle of the area, began a volume at 13:46 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 12:00Z, 1.8 hours before the alert went out and 83 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: 430 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1726 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

558 
WGUS55 KFGZ 021345
FFWFGZ
AZC007-025-021545-
/O.NEW.KFGZ.FF.W.0007.160702T1345Z-160702T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
645 AM MST SAT JUL 2 2016

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL GILA COUNTY IN EAST CENTRAL ARIZONA...
  SOUTHEASTERN YAVAPAI COUNTY IN WEST CENTRAL ARIZONA...

* UNTIL 845 AM MST

* AT 639 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA...INCLUDING THE HIGHWAY 87
  CORRIDOR FROM RYE SOUTHWARD. ONE TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN EARLIER THIS MORNING...AND ADDTIONAL STORMS COULD
  BRING ANOTHER INCH OF RAIN THROUGH 8 AM MST. A STREAM GAUGE ON
  TONTO CREEK SOUTH OF JAKES CORNER SHOWED A SHARP RISE AFTER 4 AM
  WHICH FLOODED LOW WATER CROSSINGS. ANOTHER FLOOD WAVE IS LIKELY
  THROUGH TONTO CREEK AND TRIBUTARIES DUE TO THE LATEST STORMS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  JAKES CORNER...RYE AND DEER CREEK. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...TONTO
CREEK...RYE CREEK...HORSE CREEK...DRY WASH...SOUTH FORK DEADMAN
CREEK...VERDE RIVER...WET BOTTOM CREEK...DEADMAN CREEK...NORTH FORK
DEADMAN CREEK...SYCAMORE CREEK...DAVENPORT WASH AND SPRING WASH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. DO NOT
DRIVE THROUGH FLOODED AREAS...TURN AROUND DONT DROWN.

&&

LAT...LON 3397 11141 3401 11143 3400 11153 3406 11166
      3420 11168 3415 11144 3402 11113 3390 11127

$$
JJ

1 follow-up statement

319 
WGUS75 KFGZ 021504
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
804 AM MST SAT JUL 2 2016

AZC007-025-021545-
/O.CON.KFGZ.FF.W.0007.000000T0000Z-160702T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILA AZ-YAVAPAI AZ-
804 AM MST SAT JUL 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM MST FOR
WEST CENTRAL GILA AND SOUTHEASTERN YAVAPAI COUNTIES...

AT 756 AM MST...DOPPLER RADAR INDICATED THAT HEAVY RAIN HAS MOVED
EAST OF THE WARNING AREA...INCLUDING RYE AND JAKES CORNER...AND THE
TONTO CREEK DRAINAGE BASIN.

HIGH FLOWS WITH FLOODED LOW WATER CROSSINGS ARE LIKELY TO CONTINUE
FOR THE NEXT HOUR WITH SLOWLY RECEDING WATER LEVELS LATER THIS
MORNING. 

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...TONTO
CREEK...RYE CREEK...HORSE CREEK...DRY WASH...SOUTH FORK DEADMAN
CREEK...VERDE RIVER...WET BOTTOM CREEK...DEADMAN CREEK...NORTH FORK
DEADMAN CREEK...SYCAMORE CREEK...DAVENPORT WASH AND SPRING WASH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE THROUGH FLOODED ROADWAYS. PLEASE REPORT FLOODING TO
YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3397 11141 3401 11143 3400 11153 3406 11166
      3420 11168 3415 11144 3402 11113 3390 11127

$$
JJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 6:06 PM MST	Special Weather Statement	FGZ		39 min
Jul 2, 3:18 AM MST	Areal Flood Advisory	FGZ	Gila	117 min
Jul 2, 3:31 AM MST	Special Weather Statement	FGZ		29 min
Jul 2, 3:58 AM MST	Special Weather Statement	FGZ		47 min
Jul 2, 4:20 AM MST	Flash Flood Warning	FGZ	Gila, Yavapai	2 hr
Jul 2, 4:33 AM MST	Special Weather Statement	FGZ	Yavapai	42 min
Jul 2, 4:56 AM MST	Special Weather Statement	FGZ		49 min
Jul 2, 5:17 AM MST	Special Weather Statement	FGZ	Yavapai	43 min
Jul 2, 5:41 AM MST	Special Weather Statement	FGZ		49 min
Jul 2, 5:48 AM MST	Special Weather Statement	FGZ		57 min
Jul 2, 6:32 AM MST	Special Weather Statement	FGZ	Gila	43 min
Jul 2, 3:57 PM MST	Special Weather Statement	FGZ		33 min
Jul 2, 4:04 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	26 min

Nearby

Flash Flood Warnings in Arizona, 2016 Every flash flood warning in 2016

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.