Alert archive / Arizona / Flash Flood Warnings in 1990
Flash Flood Warning 11, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 13, 1990, 4:38 PM MST for Cochise County, Arizona. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 1990, 4:38 PM MST (23:38 UTC)
- Expired
- Aug 13, 1990, 7:30 PM MST
- In force
- 3 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, 11.6 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.
- Mixed-layer CAPE
- 82 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 789 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUS 132338
FFWTUS
AZC003-140345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
438 PM MST MON AUG 13 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 845 PM MST FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTHEAST PART OF ARIZONA
NORTHERN COCHISE
AT 430 PM THE WILLCOX POLICE DEPARTMENT REPORTED FLOODING OF WASHES
AND STREAMS IN NORTHERN COCHISE COUNTY. THE SAN PEDRO RIVER IS
RUNNING HEAVY WITH 3 TO 4 FEET OF WATER IN NORTHERN COCHISE COUNTY.
HEAVY RAINS ARE STILL OCCURRING IN NORTHERN COCHISE COUNTY...RUNOFF
WILL INCREASE DURING THE NEXT SEVERAL HOURS. FLOODING OF STREAMS..
.WASHES AND LOW LYING AREAS WILL OCCUR DURING THE NEXT SEVERAL HOUR
S.
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.
THIS WARNING INCLUDES THE COMMUNITIES OF WILLCOX...BENSON...ST.
DAVID AND OTHER LOCALS IN NORTHERN COCHISE COUNTY.
CRIMMINS/NWS TUSWhat 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 13, 1:14 PM MST, 3 hours 24 minutes before
AZZ009>010-132200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 115 PM MST MON AUG 13 1990 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR SOUTHEAST ARIZONA UNTIL MIDNIGHT..... ...AT 1PM TUCSON WEATHER RADAR INDICATED NUMEROUS SHOWERS THROUGHOUT SOUTHEASTERN ARIZONA...A PIMA COUNTY FLOOD CONTROL RAIN GAUGE LOCATED IN GREEN VALLEY REPORTED .79 INCHES OF RAIN SINCE 1130 AM WHILE ANOTHER GAUGE IN THE REDDINGTON PASS AREA REPORTED .51 "INCHES SINCE 1245 PM... SOME WASHES AND ROADWAY DIPS MAY HAVE WATER IN THEM...PERSONS IN THE SOUTHEASTERN PART OF ARIZONA SHOULD USE EXTREME CAUTION WHILE TRAVELING TODAY... GANSHEIMER NWS/TUS
Special weather statement, Aug 13, 3:19 PM MST, 1 hour 19 minutes before
AZZ009>010-140000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 320 PM MST MON AUG 13 1990 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR SOUTHEAST ARIZONA UNTIL MIDNIGHT..... ...AT 3PM TUCSON WEATHER RADAR INDICATED NUMEROUS SHOWERS THROUGHOUT SOUTHEASTERN ARIZONA...A PIMA COUNTY FLOOD CONTROL RAIN GAUGE LOCATED IN REDINGTON PASS REPORTED .60 INCHES OF RAIN IN THE PAST 15 MINUTES. OTHER RAIN GAUGES AROUND SOTHEASTERN ARIZONA HAVEs REPORTED ANYWHERE BETWEEN .10 AND 1.33 INCHES OF RAIN TODAY. SOME WASHES AND ROADWAY DIPS MAY HAVE WATER IN THEM...PERSONS IN THE SOUTHEASTERN PART OF ARIZONA SHOULD USE EXTREME CAUTION WHILE TRAVELING TODAY... 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.