Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 3, NWS Tucson, AZ

July 13, 2003Cochise County, Pima County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 13, 2003, 6:55 PM MST for Cochise County, Pima County, Santa Cruz County, Arizona. It was in force for 35 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, 2003, 6:55 PM MST (01:55 UTC)
Expired
Jul 13, 2003, 7:30 PM MST
In force
35 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

Counties Cochise County, AZ, Pima County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 24 km from the middle of the area, began a volume at 01:54 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, 1.9 hours before the alert went out and 64 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 2003-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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 00:00Z on 2003-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.193958Sfc1 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
887 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
3804 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
50 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 140157
FFWTWC
AZC003-019-023-140330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
655 PM MST SUN JUL 13 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL COCHISE COUNTY IN ARIZONA
  EXRTEME SOUTHEASTERN PIMA COUNTY IN ARIZONA
  NORTHEASTERN SANTA CRUZ COUNTY IN ARIZONA

* UNTIL 830 PM MST

* AT 644 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED MERGING    
  THUNDERSTORMS ABOUT 5 MILES NORTHWEST OF HUACHUCA CITY...OR ABOUT  
  15 MILES NORTHWEST OF SIERRA VISTA...MOVING WEST AT 10 MPH.

SONOITA...ELGIN...HUACHUCA CITY...AND KARCHNER CAVERNS STATE PARK 
ARE IN THE PATH OF THIS DANGEROUS STORM CLUSTER.

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 DICTHES OR STORM DRAINS.

LAT...LON 3158 11032 3187 11033 3188 11082 3158 11081

PYTLAK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 6:22 PM MSTSevere Thunderstorm WarningTWCCochise, Pima38 min
Jul 13, 6:41 PM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz34 min
Jul 13, 7:16 PM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz29 min
Jul 13, 7:28 PM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz62 min
Jul 13, 7:46 PM MSTSevere Thunderstorm WarningTWCPima44 min
Jul 13, 8:02 PM MSTSevere Thunderstorm WarningTWCPima, Pinal58 min

Nearby

Flash Flood Warnings in Arizona, 2003Every flash flood warning in 2003

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.