Alert archive / Arizona / Flash Flood Warnings in 2012

Flash Flood Warning 5, NWS Flagstaff, AZ

July 14, 2012Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jul 14, 2012, 3:54 PM MST for Yavapai County, Arizona. It was in force for 4 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 14, 2012, 3:54 PM MST (22:54 UTC)
Expired
Jul 14, 2012, 8:15 PM MST
In force
4 hr
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Flood severity
None

County Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 109 km from the middle of the area, began a volume at 22:55 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, 10.9 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-pSkew-T log-p diagram, Phoenix, AZ at 12:00Z on 2012-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1064 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 12:00Z on 2012-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 km3 km6 km9 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
1064 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

264 
WGUS55 KFGZ 142254
FFWFGZ
AZC025-150045-
/O.NEW.KFGZ.FF.W.0005.120714T2254Z-120715T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
354 PM MST SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA...

* UNTIL 545 PM MST

* AT 350 PM MST...NATIONAL WEATHER SERVICE RADAR INDICATED NUMEROUS
  THUNDERSTORMS PRODUCING HEAVY RAINFALL APPROACHING THE GLADIATOR
  FIRE BURN AREA AND THE COMMUNITY OF CROWN KING.

* LOCATIONS AFFECTED INCLUDE THE GLADIATOR BURN AREA AND THE
  COMMUNITY OF CROWN KING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS
WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND
DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL
LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR
ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT.

AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN
AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR
HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD.

&&

LAT...LON 3434 11239 3431 11223 3421 11219 3419 11247

$$

DJO
4 follow-up statements
688 
WGUS55 KFGZ 142359
FFWFGZ
AZC025-150145-
/O.EXT.KFGZ.FF.W.0005.000000T0000Z-120715T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
459 PM MST SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA...

* UNTIL 645 PM MST

* AT 455 PM MST...NATIONAL WEATHER SERVICE RADAR INDICATED HEAVY
  RAIN CONTINUING ON THE GLADIATOR FIRE BURN AREA. RAINFALL AMOUNTS
  OF OVER AN INCH HAVE ALREADY FALLEN THIS AFTERNOON. AMOUNTS UP TO
  AN ADDITIONAL INCH ARE POSSIBLE UNTIL AROUND 600 PM MST.

* LOCATIONS AFFECTED INCLUDE THE GLADIATOR BURN AREA AND THE
  COMMUNITY OF CROWN KING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS
WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND
DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL
LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR
ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT.

AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN
AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR
HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD.

&&

LAT...LON 3434 11239 3431 11223 3421 11219 3419 11247

$$

DJO
891 
WGUS55 KFGZ 150118
FFWFGZ
AZC025-150315-
/O.EXT.KFGZ.FF.W.0005.000000T0000Z-120715T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
618 PM MST SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA...

* UNTIL 815 PM MST

* AT 610 PM MST...TWO TO THREE INCHES OF RAIN HAS FALLEN THIS
  AFTERNOON OVER THE GLADIATOR BURN AREA NEAR CROWN KING. NUMEROUS
  ROAD WASHOUTS HAVE BEEN REPORTED. LAW ENFORCEMENT REPORTED CARS
  WASHED DOWN A CREEK NEAR CLEATOR...EAST OF THE BURN AREA. SPOTTERS
  REPORT AREA STREAMS FLOWING AT THE HIGHEST LEVELS FOR MANY YEARS.
  ADDITIONAL THUNDERSTORMS WERE MOVING INTO THE BURN AREA...AND
  INCREASED FLOODING IS LIKELY THIS EVENING. GAGE DATA ON BLACK CANYON
  CREEK BETWEEN THE BURN AREA AND BLACK CANYON CITY INDICATES THE
  CREEK HAS RISEN OVER 10 FEET THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS
WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND
DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL
LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR
ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT.

AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN
AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR
HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3434 11239 3431 11223 3421 11219 3419 11247

$$

DJO
374 
WGUS75 KFGZ 150249
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
749 PM MST SAT JUL 14 2012

AZC025-150315-
/O.CON.KFGZ.FF.W.0005.000000T0000Z-120715T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAVAPAI AZ-
749 PM MST SAT JUL 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM MST FOR SOUTH
CENTRAL YAVAPAI COUNTY...

AT 740 PM MST...HEAVY RAINFALL HAS ENDED OVER THE GLADIATOR FIRE BURN
AREA WITH ONLY A FEW LIGHT SHOWERS POSSIBLE THIS EVENING. HOWEVER...
SEVERAL INCHES OF RAIN WAS REPORTED BY GAGE DATA TODAY AND PRODUCED
SIGNIFICANT FLOODING AND ROAD WASHOUTS ACCORDING TO SPOTTERS AND 
LAW ENFORCEMENT. FLOODING ON BURN AREA STREAMS AS WELL AS MUD...
ROCK...AND DEBRIS SLIDES WILL CONTINUE THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LIFE-THREATENING FLASH FLOODS...AS WELL AS MUDSLIDES...ROCKSLIDES...
AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE GLADIATOR FIRE BURN
AREA WILL CONTINUE THIS EVENING. ROADWAYS IN THE AREA ARE
LIKELY INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR
ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT.

AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN
AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR
HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3434 11239 3431 11223 3421 11219 3419 11247

$$

DJO
277 
WGUS75 KFGZ 150311
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
811 PM MST SAT JUL 14 2012

AZC025-150317-
/O.EXP.KFGZ.FF.W.0005.000000T0000Z-120715T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAVAPAI AZ-
811 PM MST SAT JUL 14 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 PM MST FOR SOUTH
CENTRAL YAVAPAI COUNTY...

AT 8 PM MST...HEAVY RAINFALL HAS ENDED OVER THE GLADIATOR FIRE BURN 
AREA. HOWEVER...SEVERAL INCHES OF RAIN WAS REPORTED BY GAGE DATA 
TODAY AND PRODUCED SIGNIFICANT FLOODING AND ROAD WASHOUTS ACCORDING 
TO SPOTTERS AND LAW ENFORCEMENT. FLOODING ON BURN AREA STREAMS AS 
WELL AS MUD...ROCK...AND DEBRIS SLIDES WILL GRADUALLY SUBSIDE THIS 
EVENING. 

ANY ADDITIONAL RAINFALL TONIGHT WILL AGGRAVATE FLOOD CONCERNS AND 
MAY RESULT IN RENEWED FLOODING IF IT OCCURS. 

LAT...LON 3434 11239 3431 11223 3421 11219 3419 11247

$$

CO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:05 AM MSTFlash Flood WarningFGZYavapai3 hr
Jul 14, 10:51 AM MSTAreal Flood AdvisoryFGZYavapai4 hr
Jul 14, 1:14 PM MSTAreal Flood AdvisoryFGZYavapai3 hr
Jul 14, 2:02 PM MSTSevere Thunderstorm WarningFGZYavapai28 min
Jul 14, 2:15 PM MSTFlash Flood WarningFGZCoconino2 hr
Jul 14, 2:44 PM MSTAreal Flood AdvisoryFGZYavapai4 hr
Jul 14, 2:58 PM MSTSevere Thunderstorm WarningFGZYavapai34 min
Jul 14, 3:26 PM MSTAreal Flood AdvisoryFGZCoconino2 hr
Jul 14, 3:35 PM MSTSpecial Weather StatementFGZYavapai40 min

Nearby

Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012

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.