Alert archive / Arizona / Flash Flood Warnings in 1986
Flash Flood Warning 5, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 29, 1986, 3:45 PM MST for Cochise County, Arizona. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Aug 29, 1986, 3:45 PM MST (22:45 UTC)
- Expired
- Aug 29, 1986, 4:45 PM MST
- In force
- 60 min
- 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, 10.8 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
- 317 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- -2 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 292250 FFWTUS AZC003-292345- BULLETIN...EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 345 PM MST FRI AUG 29 1986 THE NATIONAL WEATHER SERVICE OFFICE IN TUCSON HAS ISSUED A FLASH FLOOD WARNING UNTIL 445 PM MST FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST ARIZONA..COCHISE AT 335 PM THE TUCSON WEATHER RADAR INDICATED VERY HEAVY THUNDERSTORMS OVER SOUTHERN COCHISE COUNTY. A WEATHER OBSERVER IN BISBEE REPORTED HEAVY RAIN IN THE BISBEE AREA. ALL WASHES ARE RUNNING FULL AND FLASH FLOODING IS AGAIN TAKING PLACE IN THE DOWNTOWN PORTION OF BISBEE. A FLASH FLOOD WARNING MEANS 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. IMES 292245Z
What 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 29, 11:19 AM MST, 4 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1110 AM MST FRI AUG 29 1986 AT 11 AM THE TUCSON WEATHER RADAR WAS INDICATING A RAPIDLY DEVELOPING THUNDERSTORM ABOUT 10 MILES SOUTHWEST OF AJO. THIS THUNDERSTORM HAS THE POTENTIAL OF HEAVY RAINFALL CAUSING LOCAL FLOODING OF WASHES.. HIGHWAY DIPS AND OTHER FLOOD PRONE AREAS. AT THE PRESENT TIME THERE IS NO APPARENT MOVEMENT TO THE STORM BUT UPPER WIND FLOW DOES INDICATE THERE IS A GOO PROBABILITY THAT MOVEMENT WILL BE TOWARD THE NORTHEAST AND INTO THE AJO AREA. STRONG GUSTY WINDS ALONG WITH REDUCED VISIBILITIES AND THE POSSIBILITY OF HAIL ALSO EXISTS WITH THIS STORM. PERSONS IN THE AREA SHOULD BE PREPARED TO TAKE ACTION OF PROTECT SELVES AND THEIR PROPERTY. FURTHER STATEMENTS WILL BE ISSUED IS NECESSARY. END NWS TUS
Special weather statement, Aug 29, 1:45 PM MST, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 145 PM MST FRI AUG 29 1986 AT 130 PM THE TUCSON WEATHER RADAR WAS INDICATING A RAPID INCREASE OF THUNDERSTORMS OVER THE COUNTIES OF PIMA..SANTA CRUZ AND COCHISE. THESE STORMS ARE MOVING VERY SLOWLY TO THE SOUTHEAST. WITH THIS SLOW MOVEMENT FLOODING OF DIPS AND WASHES AND OTHER FLOOD PRONE AREAS IS LIKELY THIS AFTERNOON WITH THE HEAVIER STORMS. AT 130 PM VERY HEAVY THUNDERSTORMS WERE LOCATED BETWEEN TUCSON AND AJO AND MOST OF WESTERN COCHISE COUNTY INCLUDING THE SIERRA VISTA..TOMBSTONE..BENSON AND WILLCOX AREAS. STRONG GUSTY WINDS AND HAIL ARE ALSO POSSIBLE WITH THE HEAVY THUNDERSTORMS. PLEASE RESPECT POLICE BARRICADES..THEY AmRE THERE FOR YOUR PROTECTION. FURTHER STATEMENTS WILL BE ISSUED IS NECESSARY. END NWS TUS
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.