Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 56, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 17, 1996, 7:06 PM MST for Cochise County, Arizona. It was in force for 99 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 17, 1996, 7:06 PM MST (02:06 UTC)
- Expired
- Aug 17, 1996, 8:45 PM MST
- In force
- 99 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.1 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
- 408 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 2776 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 83 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 180204 FFWTUS AZC003-180345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 706 PM MST SAT AUG 17 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 845 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ARIZONA ...SOUTHEASTERN COCHISE COUNTY ...TORRENTIAL RAINFALL NEAR ELFRIDA... FLASH FLOODING HAS BEEN REPORTED NEAR ELFRIDA BY A WEATHER SPOTTER. 3 INCHES OF RAIN HAS BEEN REPORTED IN ELFRIDA SINCE 6 PM...AND IT IS STILL RAINING. RADAR SHOWS THE MAXIMUM RAINFALL JUST EAST OF HIGHWAY 191 AROUND THE ELFRIDA AREA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DRB/JG &
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 17, 2:09 PM MST, 4 hours 57 minutes earlier.
Area forecast discussion, Aug 17, 2:09 PM MST, 4 hours 57 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 200 PM MST SAT AUG 17 1996 GULF SURGE MSTR HAS MOVD INTO SE AZ AS TUS HAS HELD UPR 50 DEWPOINT EVEN THO AM SOUNDING ONLY SHOWED 50 OR SO DEWPOINT IF WE MIXED. WITH NRLY UPR LVL WNDS AND DIV ALOFT STORMS SHOULD BE ABLE TO GO SEVERE. FOR SUN...IF TODAY IS BIG EVENT IT SHOULD BE AN OFF DAY BUT WITH S/W TROF PASSING BY THE NORTH AND LOTSA MSTR JUST TO OUR SOUTH GENERAL ALTHOUGH WEAKER STORMS MAY BE IN AREA. SO WILL KEEP POPS UP BUT MORE THAN LIKELY IT WILL BE AN OFF DAY. IF SO...MON MAY BE BACK TO NORMAL. SO NOW ITS JUST SIT AND WATCH FOR THE REST OF THE AFTN. RADAR IS BACK BUT UNRELIABLE. THANX TO PHX AND FLG FOR KEEPING AN EYE ON THINGS AND SINCE RADAR WILL BE OUT THRU MON WILL SEND THEM SOME VISINE. TUS 4444. HOLBROOK
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 6:45 PM MST | Flash Flood Warning | TWC | Cochise | 30 min |
| Aug 17, 6:45 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 30 min |
| Aug 17, 8:07 PM MST | Flash Flood Warning | TWC | Cochise | 68 min |
| Aug 17, 8:07 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 68 min |
| Aug 17, 8:37 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 38 min |
| Aug 17, 8:54 PM MST | Flash Flood Warning | TWC | Cochise | 81 min |
| Aug 18, 1:36 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 2 hr |
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.