Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 73, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 14, 1996, 4:36 PM MST for Pima County, Arizona. It was in force for 69 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 14, 1996, 4:36 PM MST (23:36 UTC)
- Expired
- Aug 14, 1996, 5:45 PM MST
- In force
- 69 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 23:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 14, 4:45 PM MST | Thunderstorm Wind 61 | Tucson, AZ | |
| Aug 14, 5:00 PM MST | Hail 0.75 | Tucson, AZ | |
| Aug 14, 5:06 PM MST | Hail 0.75 | Eastern Tucson, AZ | |
| Aug 14, 5:10 PM MST | Tornado F0 | Tucson, AZ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 11.6 hours before the alert went out and 84 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
- 1509 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 111 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 severe thunderstorm 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 severe thunderstorm warning went out at Aug 14, 2:30 PM MST, 2 hours 6 minutes earlier.
Area forecast discussion, Aug 14, 2:30 PM MST, 2 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, 2:29 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 61 min |
| Aug 14, 3:32 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 58 min |
| Aug 14, 4:18 PM MST | Severe Thunderstorm Warning | TWC | Pima | 57 min |
| Aug 14, 4:43 PM MST | Severe Thunderstorm Warning | TWC | Pima | 62 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1996Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.