Alert archive / Arizona / Flash Flood Warnings in 1993

Flash Flood Warning 23, NWS Tucson, AZ

August 27, 1993Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 27, 1993, 4:45 PM MST for Pima County, Arizona. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 1993, 4:45 PM MST (23:45 UTC)
Expired
Aug 27, 1993, 6:45 PM MST
In force
2 hr
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 11.8 hours before the alert went out and 84 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 1993-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
0 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUS 272348
FFWTUS
AZC019-280145-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
445 PM MST FRI AUG 27 1993
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...NORTHEASTERN PIMA COUNTY
 
TUCSON WEATHER RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAINFALL
OVER THE REDINGTON PASS...TANQUE VERDE FALLS AREA. A REMOTE RAIN GAGE
JUST NORTHEAST OF THE TANQUE VERDE FALL REGISTERED ONE INCH OF RAIN IN
14 MINUTES.  ANOTHER RAIN GAGE IN REDINTON PASS RECORDED AN INCH OF RAIN
IN ABOUT 20 MINUTES.
 
A FLASH FLOOD WARNING MEANS THATz FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
 
BARTOLOME

Nearby

Flash Flood Warnings in Arizona, 1993Every flash flood warning in 1993

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.