Alert archive / Arizona / Flash Flood Warnings in 1986

Flash Flood Warning 4, NWS Tucson, AZ

August 13, 1986Cochise County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 13, 1986, 11:00 AM MST for Cochise County, Arizona. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 13, 1986, 11:00 AM MST (18:00 UTC)
Expired
Aug 13, 1986, 1:00 PM MST
In force
2 hr
Issued by
NWS Tucson, AZ
Area
Whole counties

County Cochise County, AZ

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 6.0 hours before the alert went out and 113 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 1986-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 725 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1986-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 km3 km6 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
725 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1221 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
19 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 131823
FFWTUS
AZC003-131800-

BULLETIN...EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION
NATIONAL WEATHER SERVICE TUCSON AZ
1100 AM MST WED AUG 13 1986

THE NATIONAL WEATHER SERVICE OFFICE IN TUCSON HAS ISSUED A FLASH
FLOOD
WARNING UNTIL 100 PM MST FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTHEAST ARIZONA..COCHISE

AT 1100 AM THE TUCSON WEATHER RADAR INDICATED A VERY HEAVY
THUNDERSTORM OVER THE BISBEE AREA OF SOUTNCENTRAL COCHISE COUNTY. 
THE OBSERVER IN BISBEE REPORTED THAT OVER TWO INCHES OF RAINN HAS
FALLEN IN THE BISBEE AREA DURING THE LAST HOUR.. SOTHE DRAINAGE AREAS
OF BISBEE AND ANY OTHER FLOOD PRONE AREAS CAN BE EXPECTED TO SUFFER
FALSH FLOODING UNTIL 100 PM

A FLASH FLOOD WARNING ME]ANS FLOODING HAS ALREADY OCCURRED OR IS
IMMINENT.  PEOPLE IN THE AFFECTED AREA SHOULD BE ON THE LOOKOUT FOR
FLOODING AND BE PREPARED TO ESCAPE TO HIGHER GROUND IMMEDIATELY.
<
SMITH 131829Z

Nearby

Flash Flood Warnings in Arizona, 1986Every flash flood warning in 1986

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.