Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 39, NWS Phoenix, AZ

August 11, 2005Maricopa County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Aug 11, 2005, 12:44 PM MST for Maricopa County, Arizona. It was in force for 61 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
Aug 11, 2005, 12:44 PM MST (19:44 UTC)
Expired
Aug 11, 2005, 1:45 PM MST
In force
61 min
Issued by
NWS Phoenix, AZ
Area
Counties, with a storm outline in the text

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 96 km from the middle of the area, began a volume at 19:46 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, 7.7 hours before the alert went out and 66 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 2005-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 855 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 12:00Z on 2005-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
855 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
13 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.

000 
WGUS55 KPSR 111948
FFWPSR
AZC013-112145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
1244 PM MST THU AUG 11 2005

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA  THIS INCLUDES
  THE CITIES OF...WICKENBURG...NEW RIVER...CIRCLE CITY...AND THE     
  CAVE CREEK COMPLEX BURN AREA

* UNTIL 245 PM MST

* AT 1243 PM MST...TRAINED WEATHER SPOTTERS IN WICKENBURG REPORTED   
  THAT VULTURE MINE ROAD WAS CLOSED DUE TO FLOODING BY SOLS WASH.    
  RAINFALL IN EXCESS OF 1 INCH HAS OCCURRED IN PORTIONS OF           
  WICKENBURG SINCE 1215 PM...AND THUNDERSTORMS WITH HEAVY RAIN       
  CONTINUED TO AFFECT THE WICKENBURG AREA. 

* OTHER ISOLATED THUNDERSTORMS WITH LOCALLY HEAVY RAIN WERE          
  OCCURRING OVER PORTIONS OF THE CAVE CREEK COMPLEX BURN AREA.

LAT...LON 3382 11313 3377 11226 3382 11147 3398 11149
      3403 11229 3400 11311

$$

DG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 2:55 PM MSTFlash Flood WarningPSRGila, Maricopa110 min

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.