Alert archive / Arizona / Flash Flood Warnings in 2003

Flash Flood Warning 37, NWS Tucson, AZ

August 14, 2003Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 14, 2003, 5:54 PM MST for Pima County, Arizona. It was in force for 36 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, 5:54 PM MST (00:54 UTC)
Expired
Aug 14, 2003, 6:30 PM MST
In force
36 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Pima County, AZ

The radar

The Phoenix radar (KIWA), 154 km from the middle of the area, began a volume at 00:54 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

Phoenix, AZ (KPSR), launched 00:00Z, 0.9 hours before the alert went out and 150 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, Phoenix, AZ at 00:00Z on 2003-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 485 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, Phoenix, AZ at 00:00Z on 2003-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
485 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
2530 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 150055
FFWTWC
AZC019-150230-

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

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN PIMA COUNTY IN ARIZONA

* UNTIL 730 PM MST

* AT 548 PM MST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 
  HEAVY RAIN 8 MILES SOUTH OF AJO...MOVING SOUTHWEST AT 10 MPH.

DOPPLER RADAR RAINFALL ESTIMATES OF UP TO TWO TO THREE INCHES HAVE 
OCCURRED EAST AND SOUTH OF AJO...OR NEAR THE JUNCTION OF HIGHWAY 85 
AND 86.

NEVER DRIVE INTO A FLOODED AREA. THE ROAD AHEAD MAY BE UNDERMINED OR
WASHED AWAY. ABANDON VEHICLES CAUGHT IN RISING WATER IMMEDIATELY.

LAT...LON 3236 11260 3249 11274 3214 11317 3196 11277

$$
GLUECK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 7:15 PM MSTFlash Flood WarningTWCPima105 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.