Alert archive / Arizona / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Flagstaff, AZ

July 4, 2014Coconino County, Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jul 4, 2014, 6:32 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 118 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 4, 2014, 6:32 PM MST (01:32 UTC)
Expired
Jul 4, 2014, 8:30 PM MST
In force
118 min
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Flood severity
None

Counties Coconino County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 68 km from the middle of the area, began a volume at 01:36 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

Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 1.5 hours before the alert went out and 27 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, Flgstf/Belemont, AZ at 00:00Z on 2014-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 00:00Z on 2014-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
55 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1974 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
66 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.

274 
WGUS55 KFGZ 050132
FFWFGZ
AZC005-025-050330-
/O.NEW.KFGZ.FF.W.0002.140705T0132Z-140705T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
632 PM MST FRI JUL 4 2014

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

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

* UNTIL 830 PM MST

* AT 626 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM A THUNDERSTORM OVER THE SLIDE WILDFIRE BURN    
  AREA. THE THUNDERSTORM WITH HEAVY RAIN IS LOCATED FROM SLIDE ROCK  
  STATE PARK...TO JUNIPINE...TO CAVE SPRINGS CAMPGROUND.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST FORK
  OF OAK CREEK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAIN WILL TRIGGER LIFE-THREATENING FLASH FLOODS...ROCKSLIDES...
ASH AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE SLIDE FIRE SCAR.
RESIDENCES AND RECREATIONAL FACILITIES ON THE WEST SIDE OF OAK CREEK
CANYON MAY BE AFFECTED BY HIGH WATER...ROCK MATERIAL...ASH AND
DEBRIS.

GET AWAY FROM THE WATER. IF POSSIBLE...HEAD TOWARD STATE HIGHWAY
89A...OR GET TO HIGH GROUND EAST OF OAK CREEK.

LOCATIONS IMPACTED BY THIS WARNING INCLUDE RESIDENCES AND
RECREATIONAL AREAS WEST OF OAK CREEK IN AND ADJACENT TO THE SLIDE
FIRE SCAR...PRIMARILY FROM SLIDE ROCK STATE PARK NORTHWARD TO THE
SWITCHBACKS ON HIGHWAY 89A.

&&

LAT...LON 3503 11175 3501 11169 3493 11175 3495 11180

$$

MCS
1 follow-up statement
069 
WGUS75 KFGZ 050222
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
722 PM MST FRI JUL 4 2014

AZC005-025-050330-
/O.CON.KFGZ.FF.W.0002.000000T0000Z-140705T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAVAPAI AZ-COCONINO AZ-
722 PM MST FRI JUL 4 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM MST FOR SOUTH
CENTRAL COCONINO AND NORTHEASTERN YAVAPAI COUNTIES...

AT 708 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING HEAVY RAIN OVER THE SLIDE WILDFIRE 
AREA. HEAVY RAIN HAS FILLED IN ACROSS THE FIRE AREA INTO THE WEST 
FORK OF OAK CREEK DRAINAGE. 

SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP SOUTHWEST OF THE FIRE 
AREA AND ARE EXPECTED TO BRING ADDITIONAL MODERATE TO HEAVY RAIN 
ACROSS THE ENTIRE BURN AREA OVER THE NEXT 30 TO 60 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH OR MORE ARE POSSIBLE IN 
THE WARNED AREA.

HEAVY RAIN WILL TRIGGER LIFE-THREATENING FLASH FLOODS...ROCKSLIDES...
ASH AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE SLIDE FIRE SCAR.
RESIDENCES AND RECREATIONAL FACILITIES ON THE WEST SIDE OF OAK CREEK
CANYON MAY BE AFFECTED BY HIGH WATER...ROCK MATERIAL...ASH AND
DEBRIS.

GET AWAY FROM THE WATER. IF POSSIBLE...HEAD TOWARD STATE HIGHWAY
89A...OR GET TO HIGH GROUND EAST OF OAK CREEK.

LOCATIONS IMPACTED BY THIS WARNING INCLUDE RESIDENCES AND
RECREATIONAL AREAS WEST OF OAK CREEK IN AND ADJACENT TO THE SLIDE
FIRE SCAR...PRIMARILY FROM SLIDE ROCK STATE PARK NORTHWARD TO THE
SWITCHBACKS ON HIGHWAY 89A.

&&

LAT...LON 3503 11175 3501 11169 3493 11175 3495 11180

$$

MCS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:35 PM MSTAreal Flood AdvisoryFGZCoconino, Yavapai115 min
Jul 5, 3:41 PM MSTSpecial Weather StatementFGZYavapai49 min
Jul 5, 4:29 PM MSTSpecial Weather StatementFGZ46 min
Jul 5, 4:54 PM MSTSpecial Weather StatementFGZ51 min

Nearby

Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014

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.