Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 39, NWS Flagstaff, AZ

August 4, 2016Gila County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Aug 4, 2016, 5:22 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
Aug 4, 2016, 5:22 PM MST (00:22 UTC)
Expired
Aug 4, 2016, 8:15 PM MST
In force
3 hr
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Flood severity
None

County Gila County, AZ

The radar

The Phoenix radar (KIWA), 86 km from the middle of the area, began a volume at 00:25 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, 0.4 hours before the alert went out and 102 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-pSkew-T log-p diagram, Phoenix, AZ at 00:00Z on 2016-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 00:00Z on 2016-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 km3 km6 kmRMLM
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
267 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1910 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-7 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.

402 
WGUS55 KFGZ 050022
FFWFGZ
AZC007-050315-
/O.NEW.KFGZ.FF.W.0039.160805T0022Z-160805T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
522 PM MST THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

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

* UNTIL 815 PM MST

* AT 519 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  VERY HEAVY RAIN ACROSS THE SOUTHERN END OF THE JUNIPER WILDFIRE
  BURN SCAR. UP TO ONE INCH OF RAIN HAS ALREADY FALLEN. FLASH
  FLOODING IS EXPECTED IF IT IS NOT ALREADY OCCURRING.

* FLASH FLOODING WILL BE A THREAT ALONG HIGHWAY 288 FROM NORTH
  PARKER CREEK SOUTH THROUGH POCKET CREEK.  

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

HEAVY RAINFALL WILL LIKELY TRIGGER LIFE THREATENING FLASH FLOODS AND
DEBRIS FLOWS IN AND NEAR THE JUNIPER FIRE SCAR. SOME ROADWAYS WILL
BE INUNDATED OR WASHED OUT. RAPIDLY FLOWING WATER OR DEBRIS
ACCUMULATION MAY AFFECT HIGHWAY 288. LOCATIONS IMPACTED BY THIS
WARNING INCLUDE BUT ARE NOT LIMITED TO THE POCKET CREEK...WORKMAN
CREEK...AND REYNOLDS CREEK DRAINAGES AS WELL AS A LARGE PORTION OF
STATE HIGHWAY 288 SOUTH OF YOUNG.

&&

LAT...LON 3381 11093 3376 11094 3375 11097 3380 11100

$$

TC
2 follow-up statements
030 
WGUS75 KFGZ 050108
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
608 PM MST THU AUG 4 2016

AZC007-050315-
/O.CON.KFGZ.FF.W.0039.000000T0000Z-160805T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILA AZ-
608 PM MST THU AUG 4 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM MST FOR
GILA COUNTY...

AT 554 PM MST...DOPPLER RADAR INDICATED THAT THE HEAVY RAIN HAS
ENDED OVER THE SOUTHERN END OF THE JUNIPER WILDFIRE BURN SCAR ALONG
HIGHWAY 288 FROM NORTH PARKER CREEK, SOUTH TO POCKET CREEK. FLASH
FLOODING IS ALREADY OCCURRING AND WILL MOSTLY LIKELY BE ON GOING
THROUGH 700 PM MST.

ADDITIONAL RAINFALL MAY BE POSSIBLE AS MORE STORMS DEVELOP TO THE
WEST AND SOUTHWEST OF THE JUNIPER BURN SCAR .

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL WILL LIKELY TRIGGER LIFE THREATENING FLASH FLOODS AND
DEBRIS FLOWS IN AND NEAR THE JUNIPER FIRE SCAR. SOME ROADWAYS WILL
BE INUNDATED OR WASHED OUT. RAPIDLY FLOWING WATER OR DEBRIS
ACCUMULATION MAY AFFECT HIGHWAY 288. LOCATIONS IMPACTED BY THIS
WARNING INCLUDE BUT ARE NOT LIMITED TO THE POCKET CREEK...WORKMAN
CREEK...AND REYNOLDS CREEK DRAINAGES AS WELL AS A LARGE PORTION OF
STATE HIGHWAY 288 SOUTH OF YOUNG.

&&

LAT...LON 3381 11093 3376 11094 3375 11097 3380 11100

$$

TC
231 
WGUS75 KFGZ 050238
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
738 PM MST THU AUG 4 2016

AZC007-050244-
/O.CAN.KFGZ.FF.W.0039.000000T0000Z-160805T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILA AZ-
738 PM MST THU AUG 4 2016

...THE FLASH FLOOD WARNING FOR GILA COUNTY IS CANCELLED...

THE HEAVY RAIN ENDED ON THE JUNIPER WILDFIRE BURN SCAR AROUND 600
PM. FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES IN THE AREA
ALONG HIGHWAY 288, ESPECIALLY BETWEEN NORTH PARKER CREEK SOUTH TO
POCKET CREEK WHERE THE HEAVY RAIN FELL EARLIER IN THE EVENING.

LAT...LON 3381 11093 3376 11094 3375 11097 3380 11100

$$
TC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:48 AM MSTFlash Flood WatchFGZApache, Coconino, Navajo10 hr
Aug 5, 10:27 AM MSTSpecial Weather StatementFGZ33 min
Aug 5, 10:49 AM MSTFlash Flood WarningFGZGila3 hr
Aug 5, 12:54 PM MSTAreal Flood AdvisoryFGZNavajo2 hr
Aug 5, 1:19 PM MSTAreal Flood AdvisoryFGZNavajo3 hr
Aug 5, 2:22 PM MSTSpecial Weather StatementFGZYavapai23 min
Aug 5, 2:54 PM MSTFlash Flood WarningFGZApache2 hr
Aug 5, 3:25 PM MSTAreal Flood AdvisoryFGZCoconino3 hr
Aug 5, 4:43 PM MSTAreal Flood AdvisoryFGZApache, Navajo6 hr

Nearby

Flash Flood Warnings in Arizona, 2016Every 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.