Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 35, NWS Tucson, AZ

August 14, 2003Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 14, 2003, 4:26 PM MST for Pinal County, Arizona. It was in force for 4 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 14, 2003, 4:26 PM MST (23:26 UTC)
Expired
Aug 14, 2003, 4:30 PM MST
In force
4 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), 81 km from the middle of the area, began a volume at 23:28 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, 11.4 hours before the alert went out and 51 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 2003-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 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 2003-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
348 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1377 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 142328
FFWTWC
AZC021-150030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
426 PM MST THU AUG 14 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 530 PM MST

* AT 423 PM MST...SEVERE WEATHER SPOTTERS REPORTED VERY HEAVY RAIN   
  OVER ORACLE. A SPOTTER IN ORACLE REPORTED 1.8 INCHES OF RAIN IN 
  LESS THAN 25 MINUTES AND WASHES ARE RUNNING.

LAT...LON 3261 11094 3254 11078 3256 11049 3273 11062

GLUECK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 6:04 PM MSTSevere Thunderstorm WarningTWCPinal41 min
Aug 14, 1:49 PM MSTSevere Thunderstorm WarningTWCPinal41 min
Aug 14, 3:29 PM MSTSevere Thunderstorm WarningTWCPinal46 min
Aug 14, 4:21 PM MSTSevere Thunderstorm WarningTWCPima39 min
Aug 14, 4:48 PM MSTFlash Flood WarningTWCPima117 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.