Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 119, NWS Tucson, AZ

September 3, 1996Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Sep 3, 1996, 3:59 PM MST for Cochise County, Arizona. It was in force for 46 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
Sep 3, 1996, 3:59 PM MST (22:59 UTC)
Expired
Sep 3, 1996, 4:45 PM MST
In force
46 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 83 km from the middle of the area, began a volume at 22:59 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 12:00Z, 11.0 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 12:00Z on 1996-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1155 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 12:00Z on 1996-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.193958Sfc1 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
1155 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1425 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
72 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 Sep 3, 2:16 PM MST, 1 hour 43 minutes earlier.

Area forecast discussion, Sep 3, 2:16 PM MST, 1 hour 43 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
220 PM MST TUE SEP 3 1996

ADVECTION OF MOISTURE OUT OF THE GULF OF CA CONTINUES UNABATED.
KYUX VWP SHOWS DEPTH OF SLY FLOW UP TO 6K FEET. THIS MEANS AMS
OVR SE AZ TO REMAIN VERY MOIST AND UNSTABLE AS THIS MOIST FLOW
SHOWS NO SIGN OF ABATING. ALSO MOISTURE FROM T.S. ELIDA JUST OFF
THE SRN COAST OF BAJA CA MIGHT BECOME A PLAYER LATER IN THE WEEK
AS UPR TROF OVR PAC NW COULD CAUSE ELIDA TO RECURVE INTO AZ. IF
SO THIS COULD PRODUCE A WIDESPREAD HEAVY RAINFALL EVENT. SO THE
REST OF THE WEEK LOOKS TO BE VERY ACTIVE. WITH TSTMS CAPABLE OF
POPPING UP JUST ABOUT ANYWHERE DEPENDING ON WHERE OUTFLOW
BOUNDRIES MOVE WILL BROADBRUSH THE FORECAST WITH SCT TSTM
COVERAGE. TUS 3333. COLLINS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 5:24 AM MSTFlash Flood WarningTWCPima66 min
Sep 3, 5:24 AM MSTSevere Thunderstorm WarningTWCPima66 min
Sep 3, 5:52 AM MSTFlash Flood WarningTWCPima58 min
Sep 3, 5:52 AM MSTSevere Thunderstorm WarningTWCPima58 min
Sep 3, 6:46 AM MSTFlash Flood WarningTWCPima, Santa Cruz74 min
Sep 3, 7:57 AM MSTFlash Flood WarningTWCPima93 min
Sep 3, 9:30 AM MSTFlash Flood WarningTWCPima60 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; radar from the NEXRAD Level II archive.