Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 13, NWS Flagstaff, AZ

February 12, 2005Apache County, Navajo County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Feb 12, 2005, 11:40 AM MST for Apache County, Navajo County, Arizona. It was in force for 6 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
Feb 12, 2005, 11:40 AM MST (18:40 UTC)
Expired
Feb 12, 2005, 5:30 PM MST
In force
6 hr
Issued by
NWS Flagstaff, AZ
Area
Counties, with a storm outline in the text

Counties Apache County, AZ, Navajo County, AZ

The radar

The Flagstaff radar (KFSX), 148 km from the middle of the area, began a volume at 18:42 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

Tuscon, AZ (KTUS), launched 12:00Z, 6.7 hours before the alert went out and 230 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, Tuscon, AZ at 12:00Z on 2005-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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, Tuscon, AZ at 12:00Z on 2005-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
29 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KFGZ 121842
FFWFGZ
AZC001-017-130030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1140 AM MST SAT FEB 12 2005

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN APACHE COUNTY IN NORTHEAST ARIZONA
  SOUTHEASTERN NAVAJO COUNTY IN NORTHEAST ARIZONA
  THIS INCLUDES THE CITIES OF SHOW LOW AND SPRINGERVILLE

* UNTIL 530 PM MST

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WHITERIVER...VERNON...THREE FORKS...ST. JOHNS...SNOWFLAKE...
  PINETOP-LAKESIDE...LYMAN LAKE STATE PARK...LINDEN...GREER...
  FORT APACHE...EAGAR...CONCHO...CARRIZO AND ALPINE.

AT 1130 AM MST...LAW ENFORCEMENT OFFICIALS REPORTED THAT RAINBOW
LAKE IN LAKESIDE HAS RISEN OVER THE SPILLWAY AND WATER LEVELS ARE
APPROACHING HOMES. ADDITIONALLY...NORMALLY DRY WASHES IN THE AREA
ARE ALREADY FLOODING ROADS. MEANWHILE...HEAVIER RAINS ARE APPROACHING
THE AREA. RAIN WILL CONTINUE FOR MOST OF THE AFTERNOON AND THEN BECOME
SHOWERY AND TAPER OFF OVERNIGHT. STREAMS IN THE AREA HAVE ALREADY
SHOWN RISES OF SEVERAL FEET WITH THE HEAVIEST RAIN YET TO OCCUR.
STREAMS AND RIVERS IN NORTHERN GILA AND SOUTHERN COCONINO AND NAVAJO
COUNTIES WILL CONTINUE TO SEE SIGNIFICANT RISES OVER THE NEXT SEVERAL
HOURS.

NORMALLY DRY WASHES AND LOW WATER CROSSINGS WILL ALSO START FLOWING IF
THEY ARE NOT ALREADY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

EXCESSIVE RUNOFF FROM THIS STORM COULD ALSO TRIGGER ROCK AND
MUDSLIDES AND DEBRIS FLOWS IN STEEP TERRAIN...ESPECIALLY RECENTLY
BURNED AREAS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
FLAGSTAFF.

LAT...LON 3383 11035 3364 11003 3359 10973 3383 10936
      3382 10908 3461 10909 3483 11001

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 8:00 PM MSTFlash Flood WarningFGZGila, Yavapai6 hr
Feb 12, 2:00 AM MSTFlash Flood WarningFGZGila, Yavapai6 hr
Feb 12, 8:00 AM MSTFlash Flood WarningFGZGila6 hr
Feb 12, 10:40 AM MSTFlash Flood WarningFGZCoconino, Gila, Navajo5 hr
Feb 12, 4:00 PM MSTFlash Flood WarningFGZCoconino, Gila, Navajo4 hr

Nearby

Flash Flood Warnings in Arizona, 2005Every flash flood warning in 2005

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.