Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 111, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 29, 1996, 11:21 PM MST for Pima County, Santa Cruz 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 29, 1996, 11:21 PM MST (06:21 UTC)
- Expired
- Aug 30, 1996, 12:30 AM MST
- In force
- 69 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
Counties Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 66 km from the middle of the area, began a volume at 06:25 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, 6.4 hours before the alert went out and 56 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
- 868 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2548 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 47 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 29, 9:03 PM MST, 2 hours 18 minutes earlier.
Area forecast discussion, Aug 29, 9:03 PM MST, 2 hours 18 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 900 PM MST THU AUG 29 1996 SE PINAL AND NE PIMA COUNTY THE FOCUS FOR SVR TSTMS THIS EVENING. THESE STORMS WILL CONTINUE AND PROPAGATE SWWD INTO THE EARLY MORNING HOURS. TOO BUSY WITH SVR WX TO LOOK AT ANY NEW MODEL DATA BUT CURRENT FORECAST LOOKS GOOD WITH SCT TSTMS TO CONTINUE NEXT COUPLE OF DAYS AS GOOD LOW LEVEL MOISTURE WILL CONTINUE. TUS 5232. COLLINS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 6:16 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 59 min |
| Aug 29, 7:11 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 64 min |
| Aug 29, 7:37 PM MST | Flash Flood Warning | TWC | Pinal | 68 min |
| Aug 29, 7:37 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 68 min |
| Aug 29, 7:50 PM MST | Flash Flood Warning | TWC | Pima | 55 min |
| Aug 29, 7:50 PM MST | Severe Thunderstorm Warning | TWC | Pima | 55 min |
| Aug 29, 8:57 PM MST | Flash Flood Warning | TWC | Pinal | 63 min |
| Aug 29, 8:57 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 63 min |
| Aug 29, 9:39 PM MST | Flash Flood Warning | TWC | Pima | 66 min |
| Aug 29, 9:39 PM MST | Severe Thunderstorm Warning | TWC | Pima | 66 min |
| Aug 29, 10:32 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 58 min |
| Aug 29, 10:47 PM MST | Severe Thunderstorm Warning | TWC | Pima | 43 min |
| Aug 30, 12:11 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.