Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 17, NWS Tucson, AZ

July 26, 2003Cochise County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 26, 2003, 7:37 PM MST for Cochise County, Arizona. It was in force for 23 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 26, 2003, 7:37 PM MST (02:37 UTC)
Expired
Jul 26, 2003, 8:00 PM MST
In force
23 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Cochise County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 2.6 hours before the alert went out and 157 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 2003-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 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 2003-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
1191 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
2689 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 270238
FFWTWC
AZC003-270400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
737 PM MST SAT JUL 26 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL COCHISE COUNTY IN ARIZONA

* UNTIL 900 PM MST

* AT 730 PM MST...AUTOMATED GAGES INDICATED VERY HEAVY RAIN OVER
  PORTAL...OR ABOUT 40 MILES NORTHEAST OF DOUGLAS...MOVING WEST AT 10
  MPH.

AN AUTOMATED RAIN GAGE NEAR PORTAL REPORTED 1.93 INCHES OF RAIN HAS FALLEN
DURING THE PAST 30 MINUTES. CAMPERS AND HIKERS IN THE CHIRICAHUA 
MOUNTAINS LOCATED ALONG CREEKS AND IN CANYONS NEED TO MOVE TO HIGH 
GROUND IN ORDER TO ESCAPE THE FLOOD WATERS.

LAT...LON 3175 10940 3175 10906 3213 10906 3210 10941

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:06 PM MSTFlash Flood WarningTWCCochise24 min
Jul 26, 5:31 PM MSTSevere Thunderstorm WarningTWCCochise, Graham59 min
Jul 26, 6:13 PM MSTSevere Thunderstorm WarningTWCPima47 min
Jul 26, 8:30 PM MSTFlash Flood WarningTWCCochise2 hr
Jul 27, 3:29 PM MSTSevere Thunderstorm WarningTWCSanta Cruz46 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.