Alert archive / Arizona / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Tucson, AZ

July 13, 2004Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 13, 2004, 7:25 PM MST for Pima County, Pinal County, Arizona. It was in force for 110 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, 2004, 7:25 PM MST (02:25 UTC)
Expired
Jul 13, 2004, 9:15 PM MST
In force
110 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

Counties Pima County, AZ, Pinal County, AZ

The radar

The Tucson radar (KEMX), 77 km from the middle of the area, began a volume at 02:26 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 00:00Z, 2.4 hours before the alert went out and 55 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 00:00Z on 2004-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1412 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, Tuscon, AZ at 00:00Z on 2004-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1412 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
2492 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 140224
FFWTWC
AZC019-021-140515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
725 PM MST TUE JUL 13 2004

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EXTREME NORTHEASTERN PIMA COUNTY IN ARIZONA
  SOUTHEASTERN PINAL COUNTY IN ARIZONA

* UNTIL 1015 PM MST

* AT 720 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN HAD FALLEN IN THE VICINITY OF SAN MANUEL AND REDINGTON ROAD...
  OR ABOUT 10 MILES SOUTHEAST OF MAMMOTH. THUNDERSTORMS PRODUCING
  THE VERY HEAVY RAINFALL WERE MOVING TO THE NORTHWEST AT 15 MPH.

SMALL STREAMS...SECONDARY ROADS...AND NORMALLY DRY WASHES WILL FLOOD
QUICKLY. DO NOT DRIVE INTO FLOODED AREAS. MOVE TO HIGHER GROUND.

FLASH FLOODING IS PARTICULARLY DANGEROUS AT NIGHT BECAUSE IT IS VERY
HARD TO SEE RISING WATER. IF WATER COVERS THE ROAD...TURN AROUND AND
TAKE ANOTHER ROUTE. TURN AROUND DON/T DROWN.

LAT...LON 3248 11059 3243 11047 3256 11048 3271 11059
      3274 11065 3271 11066

$$

BF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 9:23 PM MSTSevere Thunderstorm WarningTWCPima37 min
Jul 14, 1:03 PM MSTFlash Flood WarningTWCCochise57 min
Jul 14, 1:30 PM MSTFlash Flood WarningTWCCochise2 hr
Jul 14, 2:30 PM MSTSevere Thunderstorm WarningTWCGraham60 min
Jul 14, 3:06 PM MSTSevere Thunderstorm WarningTWCGraham, Greenlee54 min
Jul 14, 4:13 PM MSTSevere Thunderstorm WarningTWCGraham57 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.