Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 4, NWS Tucson, AZ

July 17, 2003Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 17, 2003, 10:05 PM MST for Pima County, Pinal County, Arizona. It was in force for 55 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 17, 2003, 10:05 PM MST (05:05 UTC)
Expired
Jul 17, 2003, 11:00 PM MST
In force
55 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), 57 km from the middle of the area, began a volume at 05:08 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, 5.1 hours before the alert went out and 27 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 2003-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.1000850700500300200100-30°-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 2003-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4142 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
11 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 180506
FFWTWC
AZC019-021-180700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1005 PM MST THU JUL 17 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL MIDNIGHT MST

* AT 953 PM MST...AUTOMATED GAGES INDICATED HEAVY RAIN OVER MOUNT    
  LEMMON/SUMMERHAVEN...PRIMARILY OVER THE ASPEN FIRE BURN AREAS...OR 
  ABOUT 8 MILES EAST OF ORO VALLEY.

THIS FLASH FLOOD WARNING INCLUDES AREAS OVER THE ASPEN BURN 
AREAS...BE VERY CAUTIOUS IN THE SABINO CANYON AREA. NEVER DRIVE INTO 
A FLOODED AREA. THE ROAD AHEAD MAY BE UNDERMINED OR WASHED AWAY. 
ABANDON VEHICLES CAUGHT IN RISING WATER IMMEDIATELY.


LAT...LON 3226 11092 3227 11058 3258 11058 3258 11093

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.