Alert archive / Arizona / Flash Flood Warnings in 1990
Flash Flood Warning 14, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 16, 1990, 3:31 PM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1990, 3:31 PM MST (22:31 UTC)
- Expired
- Aug 16, 1990, 5:30 PM MST
- In force
- 119 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
Counties Cochise County, AZ, Santa Cruz 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, 10.5 hours before the alert went out and 77 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.
- Mixed-layer CAPE
- 681 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUS 162231
FFWTUS
AZC003-023-170030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
331 PM MST THU AUG 16 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 530 PM MST FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF ARIZONA
SOUTHWEST COCHISE...
IN THE EXTREME SOUTH PART OF ARIZONA
EASTERN SANTA CRUZ...
AT 320MST REPORTS OF HEAVY RAIN WERE RECEIVED AT THE NATIONAL
WEATHER SERVICE OFFICE IN TUCSON. THESE REPORTS WERE CONFIRMED BY
RADAR.
STAY OUT OF WASHES AND LOW LYING AREAS. FLASH FLOODS CAN OCCUR
WITH LITTLE OR NO ADVANCE WARNING.
IF YOU ARE IN THE WARNED COUNTY IN AN AREA SUBJECT TO FLOODING
MOVE TO HIGHER GROUND.
DO NOT ATTEMPT TO DRIVE OVER ROADS COVERED BY FLOOD WATERS OR
ACROSS FLOODED HIGHWAY DIPS.
THE COMMUNITIES OF BISBEE, BENSON,ST. DAVID, SIERRA VISTA,THE
FORT HUACUCHA wAREA, AND OTHER SMALL TOWNS IN THE AFFECTED AREA.
BARTOLOMEWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 16, 3:22 PM MST, 9 minutes before
AZZ009>010-170000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 325 PM MST THU AUG 16 1990 ...AT 320 PM WEATHER RADAR AS WELL AS VISUAL OBSERVATIONS INDICATED HEAVY SHOWERS AND THUNDERSTORMS OCCURRING WEST OFTHE TUCSON AREA... THUNDERSTORMS ARE ALSO OCCURING OVER MUCH OF SOUTHEASTERN ARIZONA AT THIS TIME. THE HEAVIEST STORMS ARE LOCATED IN EASTERN SANTA CRUZ MUCH OF COCHISE COUNTIES. PEOPLE IN THE AREAS OF SONOITA...SIERRA VISTA...BENSON/ST.DAVID...BISBEE...AND RURAL TOWNS THROUGHOUT SOUTH- EASTERN ARIZONA SHOULD KEEP AN EYE ON THE WEATHER. IF STRONG STORMS OCCUR IN YOUR AREA...FIND INDOOR SHELTER. THE STORMS ARE MOVING SOUTH- EAST AT 10 TO 20 MPH. ...THESE THUNDERSTROMS MAYk CAUSE STRONG AND DAMAGING WINDS...HAIL... HEAVY RAIN WITH LOCALIZED FLOODING...AND DANGEROUS CLOUD TO GROUND LIGHTNING. ROBINSON/NWS TUS
Nearby
Flash Flood Warnings in Arizona, 1990Every flash flood warning in 1990
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.