Alert archive / Arizona / Flash Flood Warnings in 1993

Flash Flood Warning 2, NWS Tucson, AZ

January 8, 1993Cochise County, Pima County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jan 8, 1993, 5:41 AM MST for Cochise County, Pima County, Santa Cruz County, Arizona. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jan 8, 1993, 5:41 AM MST (12:41 UTC)
Expired
Jan 8, 1993, 7:45 AM MST
In force
2 hr
Issued by
NWS Tucson, AZ
Area
Whole counties

Counties Cochise County, AZ, Pima County, AZ, Santa Cruz County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 0.7 hours before the alert went out and 39 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 1993-01-08Temperature 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 1993-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 402 square meters per square second.1939587897117136156175Sfc1 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
70 kt
0-1 km storm-relative helicity
402 m²/s²
0-3 km storm-relative helicity
486 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 
TTAA00 KTUS 081243
FFWTUS
AZC019-023-003-081445-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
541 AM MST FRI JAN 8 1993
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM MST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ARIZONA
 
   ...EASTERN PIMA COUNTY...SANTA CRUZ COUNTY
 
IN SOUTHEAST ARIZONA
 
   ...WESTERN COCHISE COUNTY
 
AT 520 AM SATTELLITE IMAGERY AND WEATHER RADAR INDICATED HEAVY RAINFALL
IN NORTHWEST...NORTHCENTRAL...AND NORTHEAST AREAS OF METROPOLITAN
TUCSON. MODERATE TO HEAVY RAINFALL WAS ALSO REPORTED BY THE SHERIFFS
DEPARTMENT IN GREEN VALLEY. FLOODING IS IMMINENT OR OCCURRING ALONG THE
BANKS OF THE TANQUE VERDE WASH...THE AGUA CALIENTE WASH AND SEVERAL ROAD
CLOSURES ARE IN EFFECT BECAUSE OF THE FLOODING. ALL INTERSECTIONS ALONG
THE TANQE VERDE WASH HAVE BEEN CLOSED AS WELL AS THE INA ROAD BRIDGE ON
ON THE SANTA CURZ RIVER.
 
RAINFALL IS EXPECTED TO SUBSIDE IN THE EARLY MORNING HOURS AS THIS LAST
WAVE OF PRECIPITATION MOVES EAST.  HOWEVER CAUTION SHOULD BE
MAINTAINED...THE FLOODED STREETS AND WASHES WILL DELAY IN SUBSIDING
EVEN THOUGH THE RAINFALL MAY HAVE STOPPED.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STZREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
CARTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 7:10 PM MSTFlash Flood WarningTWCPima4 hr
Jan 8, 8:11 AM MSTFlash Flood WarningTWCPima3 hr

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.