Alert archive / Arizona / Flash Flood Warnings in 2004

Flash Flood Warning 34, NWS Tucson, AZ

August 13, 2004Graham County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 13, 2004, 1:07 PM MST for Graham County, Arizona. It was in force for 113 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 13, 2004, 1:07 PM MST (20:07 UTC)
Expired
Aug 13, 2004, 3:00 PM MST
In force
113 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Graham County, AZ

The radar

The Tucson radar (KEMX), 113 km from the middle of the area, began a volume at 20:27 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, 8.1 hours before the alert went out and 110 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 2004-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 764 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 2004-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
764 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
2328 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
31 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 KTWC 132010
FFWTWC
AZC009-132300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
107 PM MST FRI AUG 13 2004

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL GRAHAM COUNTY IN ARIZONA
    THIS INCLUDES THE CITY OF SAFFORD

* UNTIL 400 PM MST

* AT 1257 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 18 MILES SOUTHWEST OF SAFFORD...OVER THE NUTTAL FIRE BURN     
  AREAS. AREAS INCLUDE THE SEVERELY BURNED AREAS OF                  
  FRYE...MARIJILDA...DEADMAN...AND NOON CREEKS. ANOTHER AREA OF      
  HEAVY  RAINFALL IS LOCATED OVER THE GALIURO MOUNTAINS.

MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
FLOWING WATER...EVEN A SMALL ONE...ON FOOT. DO NOT ALLOW CHILDREN TO
PLAY NEAR DITCHES OR STORM DRAINS.

LAT...LON 3290 10967 3290 11034 3245 11034 3246 10962

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 5:03 PM MSTSevere Thunderstorm WarningTWCCochise32 min
Aug 13, 12:34 PM MSTSevere Thunderstorm WarningTWCPima41 min
Aug 13, 12:38 PM MSTFlash Flood WarningTWCPima, Santa Cruz52 min
Aug 13, 1:50 PM MSTFlash Flood WarningTWCSanta Cruz2 hr
Aug 13, 3:16 PM MSTSevere Thunderstorm WarningTWCPinal44 min
Aug 13, 3:19 PM MSTFlash Flood WarningTWCPinal56 min
Aug 13, 3:58 PM MSTSevere Thunderstorm WarningTWCPinal47 min
Aug 13, 4:05 PM MSTSevere Thunderstorm WarningTWCPima40 min
Aug 13, 4:11 PM MSTFlash Flood WarningTWCPima64 min
Aug 13, 4:45 PM MSTSevere Thunderstorm WarningTWCPima, Pinal45 min

Nearby

Flash Flood Warnings in Arizona, 2004Every flash flood warning in 2004

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.