Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 110, NWS Tucson, AZ

August 29, 1996Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 29, 1996, 10:47 PM MST for Pima County, Arizona. It was in force for 43 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, 10:47 PM MST (05:47 UTC)
Expired
Aug 29, 1996, 11:30 PM MST
In force
43 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 05:50 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, 5.8 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 1996-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 868 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 1996-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 29, 9:03 PM MST, 1 hour 44 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.

IssuedProductOfficeCountiesLasted
Aug 29, 6:16 PM MSTSevere Thunderstorm WarningTWCPima, Pinal59 min
Aug 29, 7:11 PM MSTSevere Thunderstorm WarningTWCPinal64 min
Aug 29, 7:37 PM MSTFlash Flood WarningTWCPinal68 min
Aug 29, 7:37 PM MSTSevere Thunderstorm WarningTWCPinal68 min
Aug 29, 7:50 PM MSTFlash Flood WarningTWCPima55 min
Aug 29, 7:50 PM MSTSevere Thunderstorm WarningTWCPima55 min
Aug 29, 8:57 PM MSTFlash Flood WarningTWCPinal63 min
Aug 29, 8:57 PM MSTSevere Thunderstorm WarningTWCPinal63 min
Aug 29, 9:39 PM MSTFlash Flood WarningTWCPima66 min
Aug 29, 9:39 PM MSTSevere Thunderstorm WarningTWCPima66 min
Aug 29, 10:32 PM MSTSevere Thunderstorm WarningTWCSanta Cruz58 min
Aug 29, 11:21 PM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz69 min
Aug 30, 12:11 AM MSTFlash Flood WarningTWCPima2 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.