Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 10, NWS Tucson, AZ

July 24, 2003Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 24, 2003, 6:17 PM MST for Pima County, Pinal County, Arizona. It was in force for 58 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 24, 2003, 6:17 PM MST (01:17 UTC)
Expired
Jul 24, 2003, 7:15 PM MST
In force
58 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 01:17 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, 1.3 hours before the alert went out and 29 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 2003-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 699 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 2003-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
699 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
3129 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
87 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 250120
FFWTWC
AZC019-021-250315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
617 PM MST THU JUL 24 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 815 PM MST

* AT 617 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM REDINGTON WEST 
  INTO THE CATALINA MOUNTAINS.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
   SAN MANUEL AT 635 PM MST
   ORACLE AT 700 PM MST

THIS FLASH FLOOD WARNING INCLUDES THE BURN AREAS OF THE CATALINA 
MOUNTAINS...SAN MANUEL...AND REDINGTON. AN AUTOMATED GAUGE AT
GREEN MOUNTAIN RECORDED MORE THAN A HALF INCH OF RAIN IN THE LAST 15 
MINUTES. 

LAT...LON 3236 11092 3227 11086 3223 11076 3218 11047
          3268 11048 3270 11088

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 6:49 PM MSTSevere Thunderstorm WarningTWCPima41 min
Jul 24, 8:01 PM MSTFlash Flood WarningTWCPima119 min
Jul 25, 3:45 PM MSTSevere Thunderstorm WarningTWCCochise, Santa Cruz45 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.