Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 65, NWS Tucson, AZ

August 26, 2003Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 26, 2003, 4:16 PM MST for Pinal County, Arizona. It was in force for 29 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 26, 2003, 4:16 PM MST (23:16 UTC)
Expired
Aug 26, 2003, 4:45 PM MST
In force
29 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Pinal County, AZ

The radar

The Tucson radar (KEMX), 85 km from the middle of the area, began a volume at 23:16 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, 11.3 hours before the alert went out and 57 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 2003-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 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 12:00Z on 2003-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
263 J/kg
Mixed-layer CIN
-237 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
44 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 262316
FFWTWC
AZC021-270045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
416 PM MST TUE AUG 26 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN PINAL COUNTY IN ARIZONA

* UNTIL 545 PM MST

* AT 412 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH EXTREMELY HEAVY RAINFALL NEAR ORACLE. MOVEMENT
  WEST TO THE WEST AND NORTHWEST AT ABOUT 10 MPH.

MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
FLOWING WATER...EVEN A SMALL ONE...ON FOOT.

LAT...LON 3254 11047 3296 11046 3272 11114 3253 11110

MEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:05 PM MSTFlash Flood WarningTWCPinal25 min
Aug 25, 9:10 PM MSTFlash Flood WarningTWCPima, Pinal20 min
Aug 25, 9:17 PM MSTSevere Thunderstorm WarningTWCPima, Pinal73 min
Aug 25, 10:20 PM MSTFlash Flood WarningTWCPima, Pinal40 min
Aug 25, 11:55 PM MSTFlash Flood WarningTWCPima65 min
Aug 26, 1:57 PM MSTSevere Thunderstorm WarningTWCPima48 min
Aug 26, 3:35 PM MSTFlash Flood WarningTWCPima55 min
Aug 26, 4:07 PM MSTSevere Thunderstorm WarningTWCPima38 min
Aug 26, 4:16 PM MSTSevere Thunderstorm WarningTWCPinal44 min
Aug 26, 4:41 PM MSTSevere Thunderstorm WarningTWCPima49 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.