Alert archive / Arizona / Flash Flood Warnings in 1996
Flash Flood Warning 50, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 14, 1996, 6:36 PM MST for Pima County, Pinal County, Arizona. It was in force for 69 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 14, 1996, 6:36 PM MST (01:36 UTC)
- Expired
- Aug 14, 1996, 7:45 PM MST
- In force
- 69 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
Counties Pima County, AZ, Pinal County, AZ
The radar
The Phoenix radar (KIWA), 88 km from the middle of the area, began a volume at 01:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 1.6 hours before the alert went out and 73 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
- 1143 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 2818 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
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 14, 2:30 PM MST, 4 hours 6 minutes earlier.
Area forecast discussion, Aug 14, 2:30 PM MST, 4 hours 6 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 220 PM MST WED AUG 14 1996 SPECIAL 19Z TUS SOUNDG CONFIRMS SVR POTENTIAL FOR TDA/TGNT. LOADED GUN TYPE WITH WELL MIXED LOW LVL MSTR AND CAP AT 800 MB. CONVECTIVE TEMP ARND 99-100...WITH CLEAR SKIES SHLD BE ABLE TO REACH THIS. STEERING WINDS AT H5/H4 ELY 10-15 KTS TO HELP PUSH MT TSTMS INTO THE VALLEYS. NWLY WINDS AT UPR LVLS PUSHG ANVILS OFF TO SE. BEEFED UP POPS AND MENTIONED PSLB SVR LVLS TGNT. THU/FRI...MODELS DRIFT UPR HI ARND NRN AZ THRU FCST PD...SO LTL CHG IN BIG SCALE FEATURES. WILL KEEP SCT IN ERN...AND WDLY SCT IN WRN ZNS BOTH DAYS. TEMPS WILL BE DIFFICULT TGNT AND THU. IF WE GET A PERSISTENT CLD SHXIELD LASTING OVRNGT INTO THE MRNG MAX TEMPS MAY BE WAY DOWN. SWING SHIFT MAY NEED TO ADJUST SOME TEMPS. TUS 4232
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 5:09 PM MST | Tornado Warning | TWC | Pima | 36 min |
| Aug 14, 5:17 PM MST | Tornado Warning | TWC | Pima | 28 min |
| Aug 14, 5:20 PM MST | Flash Flood Warning | TWC | Pima | 115 min |
| Aug 14, 5:31 PM MST | Severe Thunderstorm Warning | TWC | Pima | 59 min |
| Aug 14, 5:44 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 61 min |
| Aug 14, 6:20 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 55 min |
| Aug 14, 7:00 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 45 min |
| Aug 14, 7:00 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 45 min |
| Aug 14, 7:25 PM MST | Flash Flood Warning | TWC | Pima | 95 min |
| Aug 14, 7:25 PM MST | Severe Thunderstorm Warning | TWC | Pima | 95 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; radar from the NEXRAD Level II archive.