Alert archive / Arizona / Flash Flood Warnings in 1996

Flash Flood Warning 15, NWS Tucson, AZ

July 8, 1996Cochise County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 8, 1996, 5:39 PM MST for Cochise County, Arizona. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 8, 1996, 5:39 PM MST (00:39 UTC)
Expired: Jul 8, 1996, 6:45 PM MST
In force: 66 min
Issued by: NWS Tucson, AZ
Area: Whole counties

County Cochise County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 0.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1063 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 2192 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 97 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 090038
FFWTUS
AZC003-090145-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
539 PM MST MON JUL 8 1996
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  645 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST ARIZONA
 
   ...EASTERN COCHISE COUNTY
 
AT 535 PM TUCSON DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS IN EASTERN
AND SOUTHEAST COCHISE COUNTY...12 MILES EAST OF CHIRICAHUA NATIONAL
MONUMENT...THROUGH THE CHIRICAHUA MTS TO 5 MILES EAST OF DOUGLAS.
MOVEMENT WAS TO THE NORTHWEST AT 10 MPH.
 
CITIES EXPECTED TO BE AFFECTED...PORTAL...DOUGLAS AS WELL AS MUCH OF HWY
80.
 
MEYER/DRB

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.

NWS Tucson, AZ wrote its last area forecast discussion before this flash flood warning went out at Jul 8, 2:18 PM MST, 3 hours 21 minutes earlier.

Area forecast discussion, Jul 8, 2:18 PM MST, 3 hours 21 minutes before

SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
200 PM MST MON JUL 8 1996

DEWPOINT HOLDING AT 60 AND HEAVY RAIN PRODUCERS NOW OVR MTNS...SO
JUST A MATTER OF TIME BEFORE STORMS MOVE INTO VALLEYS. BEST STORMS
UP IN ZONE 25 AND WEST OF FHU...WITH CELL MOTION NWLY. CAPE NOW
1100 SO SOME STORMS MAY ALSO GO SEVERE IN ADDITION TO FLASH FLOODING.
STORMS MAY PUSH WELL OUT IN VALLEY...POSSIBLY TO PHX BY LATE TONIGHT.
STILL HAVE NOT SEEN ANY SIG ORGANIZATION TO THIS YET.

COUNTING ON SIG EVENT TODAY HAVE LOWERED POPS FOR TUE...ALTHOUGH
THIS MAY NOT HOLD TRUE WITH ALL THE DYNAMICS ALSO AVAILABLE.

TUS 5333

TUS...FLASH FLOOD WATCH ZONES 21-26 TIL 1000 PM MST.

HOLBROOK

In the hours before

Local storm report, Jul 8, 4:52 PM MST, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
455 PM MST MON JUL 8 1996

TIME(MST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

 404 PM    TUCSON                    AZ   82 MPH WIND MEASURED
           PIMA                           AT DAVIS MONTHAN
                                          AIR FORCE BASE
 615 PM    5-10 SOUTH SIERRA VISTA   AZ   FLASH FLOODING WASHED
           COCHISE                        OUT NUMEROUS ROADS INCLUDING
          G                                PART OF HEREFORD ROAD.
                                           BOULDERS REPORTED AS LARGE AS     U
                                            CARS ON JHEREFORD ROAD.  WATER
                                            LINES WASHED OUT.

Local storm report, Jul 8, 4:53 PM MST, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
455 PM MST MON JUL 8 1996

TIME(MST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

 404 PM   L TUCSON                    AZ   82 MPH WIND MEASURED
           PIMA                           AT DAVIS MONTHAN
                                          AIR FORCE BASE

Local storm report, Jul 8, 5:07 PM MST, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
410 PM MST MON JUL 8 1996

TIME(MST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

 404 PM    TUCSON                    AZ   82 MPH WIND MEASURED
           PIMA                           AT DAVIS MONTHAN
                                          AIR FORCE BASE

 APPROX    TUCSON                    AZ   TRAILER PARK DAMAGED
 415 PM    PIMA   r                        ROOFS BLOWN OFF TRAILERS
                                          AND WINDOWS BLOWN OUT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:39 PM MST	Severe Thunderstorm Warning	TWC	Cochise	66 min
Jul 8, 6:03 PM MST	Flash Flood Warning	TWC	Pinal	57 min
Jul 8, 6:03 PM MST	Severe Thunderstorm Warning	TWC	Pinal	57 min
Jul 8, 7:01 PM MST	Flash Flood Warning	TWC	Pinal	59 min
Jul 9, 12:25 AM MST	Flash Flood Warning	TWC	Pima	50 min
Jul 9, 12:25 AM MST	Severe Thunderstorm Warning	TWC	Pima	50 min

Nearby

Flash Flood Warnings in Arizona, 1996 Every flash flood warning in 1996

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.