Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 43, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 2, 1996, 2:55 PM MST for Cochise County, Arizona. It was in force for 65 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
- Aug 2, 1996, 2:55 PM MST (21:55 UTC)
- Expired
- Aug 2, 1996, 4:00 PM MST
- In force
- 65 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 9.9 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
- 85 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1012 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 022155 FFWTUS AZC003-022300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 255 PM MST FRI AUG 2 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 400 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ARIZONA ...SOUTHWESTERN COCHISE COUNTY AT 255 PM MST...TUCSON DOPPLER WEATHER RADAR INDICATED CONSIDERABLE RAIN HAD RECENTLY FALLEN IN PORTIONS OF SOUTHWEST COCHISE COUNTY...ESPECIALLY IN THE VICINITY OF HIGHWAY 80 NEAR THE SAN PEDRO RIVER AND BETWEEN SIERRA VISTA AND BISBEE. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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 Aug 2, 2:28 PM MST, 27 minutes earlier.
Area forecast discussion, Aug 2, 2:28 PM MST, 27 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 225 PM MST FRI AUG 2 1996 TSTMS HAVE BROKEN OUT OVER MOST OF SE AZ THIS AFTN. CONTRARY TO EARLIER THINKING TSTMS HAVE DEVELOPED EVEN OVR THOSE AREAS THAT GOT A GOOD DRENCHING LAST NIGHT. GOES TO SHOW THAT RULES OF THUMB...IE TSTM ACTIVITY IS USUALLY SUPRESSED THE DAY AFTER A MAJOR CONVECTIVE EVENT...DONT ALWAYS PAN OUT. SATURDAY LOOKS TO BE EVEN MORE ACTIVE WITH ADDITIONAL HEATING AND PLENTY OF MOISTURE STILL AROUND. IF MODELS ARE CORRECT TSTMS WILL BE ON THE DECREASE SUNDAY AS A DRIER SWLY FLOW PUSHES INTO SE AZ FROM PAC NW UPR TROF. HOWEVER WITH HURRICANE DOUGLAS LURKING OFF THE NORTHERN MEX COAST AND POSSIBLY SOME OF ITS MOISTURE HEADING OUR WAY THIS DRYING MIGHT NOT MATERIALIZE. THEREFORE WILL JUST DROP POPS ONLY SLIGHTLY AT THIS TIME. TUS 4442. COLLINS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 11:30 PM MST | Flash Flood Warning | TWC | Pima | 60 min |
| Aug 2, 12:30 AM MST | Flash Flood Warning | TWC | Pima | 60 min |
| Aug 2, 12:30 AM MST | Severe Thunderstorm Warning | TWC | Pima | 60 min |
Nearby
Flash Flood Warnings in Arizona, 1996Every 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.