Alert archive / Arizona / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 2, NWS Tucson, AZ

July 10, 1992Pima County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 10, 1992, 2:29 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 10, 1992, 2:29 PM MST (21:29 UTC)
Expired
Jul 10, 1992, 4:30 PM MST
In force
2 hr
Issued by
NWS Tucson, AZ
Area
Whole counties

Counties Pima County, AZ, Santa Cruz County, AZ

What was reported inside it

TimeReportWhereRemark
Jul 10, 4:20 PM MSTThunderstorm Wind 0Pima, AZ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 9.5 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 1992-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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 1992-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
160 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
1718 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
80 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.

In the hours before

Special weather statement, Jul 10, 1:11 PM MST, 1 hour 18 minutes before
AZC003-019-023-102300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
115 PM MST FRI JUL 10 1992

NATIONAL WEATHER SERVICE RADAR...SATELLITE PICTURES AND LIGHTNING
DETECTION EQUIPMENT INDICATED SCATTERED THUNDERSTORMS
DEVELOPING OVER MUCH OF SOUTHERN ARIZONA.  AT 1:00 PM THE STRONGEST
THUNDERSTORMS WERE IN SANTA CRUZ COUNTY...HOWEVER STRONG THUNDERSTORMS
CAN BE EXPECTED MOST ANYWHERE IN SOUTHERN ARIZONA THIS AFTERNOON AND
THIS EVENING.

WEATHER RADAR INDICATED THE THUNDERSTORMS MOVING NORTH AT 10 TO 15 MPH.
BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLE HAIL CAN BE
EXPECTED WITH THESE STORMS.

MOTORISTS AND PERSONS WITH OUTDOOR INTERESTS SHOULD KEEP AN EYE ON THE
WEATHER THIS AFTERNOON AND BE PREPARED TO TAKE NECESSARY PRECAUTIONS
WHEN THUNDERSTORMS APPROACH YOUR AREA.
NWS TUS/CRIMMINS

Nearby

Severe Thunderstorm Warnings in Arizona, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.