Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 55, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 17, 1996, 6:45 PM MST for Cochise County, Arizona. It was in force for 30 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, 6:45 PM MST (01:45 UTC)
- Expired
- Aug 17, 1996, 7:15 PM MST
- In force
- 30 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 1.8 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
- 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 36 minutes earlier.
Area forecast discussion, Aug 17, 2:09 PM MST, 4 hours 36 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 | Severe Thunderstorm Warning | TWC | Cochise | 30 min |
| Aug 17, 7:06 PM MST | Flash Flood Warning | TWC | Cochise | 99 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.