Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 87, NWS Tucson, AZ

August 17, 1996Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 17, 1996, 8:37 PM MST for Cochise County, Arizona. It was in force for 38 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, 8:37 PM MST (03:37 UTC)
Expired
Aug 17, 1996, 9:15 PM MST
In force
38 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Cochise County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 3.6 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 1996-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 joules per kilogram.LCLLFCEL10008507005003002001001 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 1996-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
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

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 17, 8:20 PM MST, 17 minutes earlier.

Area forecast discussion, Aug 17, 8:20 PM MST, 17 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
820 PM MST SAT AUG 17 1996

HAS GOTTEN PRETTY BUSY HERE OVER THE PAST HOUR OR TWO SO WL MAKE
THIS SHORT. MOST ACTVTY TNGT OVR ZNS24>26 AND ACRS NRN MEX. ONLY
ISOLD ACTVTY ELSW. STORMS HV BEEN PULSE-TYPE AND WITH RADAR ON
THE FRITZ ITS BEEN HARD TO GET A GRASP ON THESE STORMS. HV BEEN
RELYING ON PHX 88D..STLT PICS..AND LTNG DETECTION EQUIPMENT.

HV NOT LUKD AT ANY NEW MDL DATAH THIS EVENG AT ALL. WL ONLY MAKE
1ST PD CHANGES. RMNDR OF FCST LUKS IN GUD SHAPE. TUS 2444. GLUECK

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 6:45 PM MSTFlash Flood WarningTWCCochise30 min
Aug 17, 6:45 PM MSTSevere Thunderstorm WarningTWCCochise30 min
Aug 17, 7:06 PM MSTFlash Flood WarningTWCCochise99 min
Aug 17, 8:07 PM MSTFlash Flood WarningTWCCochise68 min
Aug 17, 8:07 PM MSTSevere Thunderstorm WarningTWCCochise68 min
Aug 17, 8:54 PM MSTFlash Flood WarningTWCCochise81 min
Aug 18, 1:36 PM MSTFlash Flood WarningTWCPima, Santa Cruz2 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.