Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 24, NWS Tucson, AZ

July 6, 1996Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 6, 1996, 5:03 PM MST for Cochise County, Arizona. It was in force for 42 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
Jul 6, 1996, 5:03 PM MST (00:03 UTC)
Expired
Jul 6, 1996, 5:45 PM MST
In force
42 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Cochise County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 0.1 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 1996-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 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 1996-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
478 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
3390 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Jul 6, 2:22 PM MST, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 6, 2:22 PM MST, 2 hours 41 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
220 PM MST SAT JUL 6 1996

ECHOS POPD IN ZN 25 AS EARLY AS 17Z THIS MRNG WITH .5 INCH
HAIL BY 18Z. LTL CHG IN SYNOPTIC PATTERN. UPR HI REMAINS OVR
AZ/NM AREA WITH ELY FLOW AT H5.  MODELS SHOWG UPR WV MOVG WWD
ACRS MEXICO TO SRN BAJA AREA.  IF THIS INCRS CLD CVR OVR SRN
GLF CA...MAY BRING BACK GLF SURGE TYPE MSTR INFLUX.  ON SUN...
MODELS TRYG TO INCR LOW LVL CONVERGENCE OVR S|IERRA MADRES.
MON...AVN KEEPING 80-90 PCT RH AT H5 OVR ZN25. WILL GO WITH
SCT TSTMS IN FAR ERN ZNS. ALSO HGTS AND THKN DOWN A BIT. ALL
MOS GUIDANCE INCRG CLDS AND DROPPING MAX TEMPS 2-6 DEGREES. WILL
GO ALONG WITH THIS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 5:50 PM MSTSevere Thunderstorm WarningTWCCochise, Pima, Santa Cruz40 min
Jul 6, 5:58 PM MSTFlash Flood WarningTWCCochise62 min
Jul 6, 6:36 PM MSTFlash Flood WarningTWCPima54 min
Jul 6, 6:36 PM MSTSevere Thunderstorm WarningTWCPima54 min
Jul 6, 7:43 PM MSTFlash Flood WarningTWCPima92 min
Jul 7, 3:30 PM MSTSevere Thunderstorm WarningTWCSanta Cruz30 min
Jul 7, 4:42 PM MSTFlash Flood WarningTWCPima48 min
Jul 7, 4:42 PM MSTSevere Thunderstorm WarningTWCPima48 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; the sounding from the Mesonet's radiosonde archive.