Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 67, NWS Tucson, AZ

August 26, 2003Pinal County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 26, 2003, 5:45 PM MST for Pinal County, Arizona. It was in force for . 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, 5:45 PM MST (00:45 UTC)
Expired
Aug 26, 2003, 5:45 PM MST
In force
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 92 km from the middle of the area, began a volume at 00:46 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, 0.8 hours before the alert went out and 59 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 2003-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 497 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 2003-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
497 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1859 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
43 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 270046
FFWTWC
AZC021-270145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
545 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 645 PM MST

* AT 542 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
  OF THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM NEAR 
  CATALINA...TO ORACLE...TO DUDLEYVILLE. THE LINE OF STORMS WAS
  MOVING WEST AND NORTHWEST AT 10 MPH. RADAR ESTIMATES OF BETWEEN
  1 AND 3 INCHES OF RAINFALL HAS OCCURRED WITH THIS LINE OF 
  THUNDERSTORMS.

DO NOT DRIVE INTO FLOODED AREAS OR AROUND BARRICADES. IF THE 
ROAD AHEAD IS FLOODED...TURN AROUND AND TAKE ANOTHER ROUTE.

THIS WARNING REPLACES THE PREVIOUSLY ISSUED FLASH FLOOD WARNING FOR
THIS AREA.

LAT...LON 3253 11126 3254 11070 3294 11068 3292 11106

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 5:00 PM MSTSevere Thunderstorm WarningTWCPinal45 min
Aug 26, 5:01 PM MSTSevere Thunderstorm WarningTWCPinal44 min
Aug 26, 5:15 PM MSTFlash Flood WarningTWCPima105 min
Aug 27, 11:51 AM MSTFlash Flood WarningTWCPima54 min
Aug 27, 1:39 PM MSTFlash Flood WarningTWCPima51 min
Aug 27, 2:57 PM MSTFlash Flood WarningTWCPima33 min
Aug 27, 4:21 PM MSTFlash Flood WarningTWCCochise9 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.