Alert archive / Arizona / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Flagstaff, AZ

July 13, 2012Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jul 13, 2012, 11:23 AM MST for Yavapai County, Arizona. It was in force for 82 min. 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 13, 2012, 11:23 AM MST (18:23 UTC)
Expired
Jul 13, 2012, 12:45 PM MST
In force
82 min
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Flood severity
None

County Yavapai County, AZ

The nearest sounding before it

Phoenix, AZ (KPSR), launched 12:00Z, 6.4 hours before the alert went out and 97 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 2012-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 611 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 2012-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
611 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
72 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.

164 
WGUS55 KFGZ 131823
FFWFGZ
AZC025-131945-
/O.NEW.KFGZ.FF.W.0002.120713T1823Z-120713T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1123 AM MST FRI JUL 13 2012

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

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

* UNTIL 1245 PM MST

* AT 1118 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR HEAVY RAIN
  PRODUCING FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* THE STORM PRODUCING FLASH FLOODING WILL AFFECT LOCATIONS IN AND
  AROUND THE GLADIATOR BURN AREA INCLUDING 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 3430 11243 3426 11233 3425 11225 3419 11229
      3416 11244

$$

DJO
2 follow-up statements
511 
WGUS75 KFGZ 131935
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1235 PM MST FRI JUL 13 2012

AZC025-131945-
/O.CON.KFGZ.FF.W.0002.000000T0000Z-120713T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAVAPAI AZ-
1235 PM MST FRI JUL 13 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM MST FOR
SOUTH CENTRAL YAVAPAI COUNTY...

AT 1224 PM MST...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE 
GLADIATOR FIRE BURN AREA INCLUDING THE COMMUNITY OF CROWN KING. 
ADDITIONAL SHOWERS AND THUNDERSTORMS HAVE AFFECTED THE BURN AREA 
OVER THE PAST 15 MINUTES...AND MAY TRIGGER LOCALIZED 
MUD...ROCK...AND DEBRIS SLIDES UNTIL 1245 PM MST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE HEAVY RAIN HAVE LIKELY TRIGGERED 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...AS WELL AS 
LOCALIZED ROCK AND DEBRIS SLIDES NEAR THE NORTH END OF THE BURN AREA.

&&

LAT...LON 3430 11243 3426 11233 3425 11225 3419 11229
      3416 11244

$$

DJO
056 
WGUS75 KFGZ 131947
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1247 PM MST FRI JUL 13 2012

AZC025-131956-
/O.EXP.KFGZ.FF.W.0002.000000T0000Z-120713T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAVAPAI AZ-
1247 PM MST FRI JUL 13 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTH CENTRAL YAVAPAI
COUNTY...

THE FLASH FLOOD WARNING FOR THE GLADIATOR FIRE BURN AREA HAS BEEN 
ALLOWED TO EXPIRE. ROADWAYS IN THE AREA MAY HAVE BEEN DAMAGED DUE TO 
FLOODING...MUD...ROCK...AND DEBRIS SLIDES.

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 3430 11243 3426 11233 3425 11225 3419 11229
      3416 11244

$$

DJO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 10:45 AM MSTAreal Flood AdvisoryFGZYavapai3 hr
Jul 13, 10:54 AM MSTSpecial Weather StatementFGZYavapai21 min
Jul 13, 12:10 PM MSTFlash Flood WatchFGZApache, Coconino, Gila, Navajo, Yavapai57 hr
Jul 13, 2:33 PM MSTAreal Flood AdvisoryFGZCoconino3 hr
Jul 13, 3:10 PM MSTAreal Flood AdvisoryFGZGila40 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.