Alert archive / Arizona / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 12, NWS Tucson, AZ

August 6, 1992Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 6, 1992, 5:30 PM MST for Pima County, Arizona. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1992, 5:30 PM MST (00:30 UTC)
Expired
Aug 6, 1992, 6:30 PM MST
In force
60 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 0.5 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 1992-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 274 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1992-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
274 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2208 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
39 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, Aug 6, 4:29 PM MST, 1 hour 1 minute before
AZC003-019-023-070330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
429 PM MST THU AUG 6 1992

AT 430 PM MST...NUMEROUS THUNDERSTORM ACTIVITY WAS INDICATED BY
RADAR...SATELLITE IMAGERY AND LIGHTNING DETECTORS IN SOUTHEAST
ARIZONA. THE THUNDERSTORMS WERE ESPECIALLY ACTIVE IN EASTERN PIMA...
WESTERN SANTA CRUZ AND COCHISE COUNTIES. IN GENERAL...THE CELLS
WERE MOVING TOWARD THE NORTH-NORTHEAST AT 10 TO 15 MPH.

THE THUNDERSTORMS ARE EXPECTED TO CONTINUE WELL INTO THE EVENING.
SOME OF THEM MAY PRODUCE GUSTY WIND...SMALL HAIL AND LOCALLY HEAVY
RAIN.  OF COURSE...ALL WILL PROVIDE DEADLY LIGHTING.

PERSONS IN THE PATHS OF ANY OF THESE THUNDERSTORMS THIS EVENING SHOULD
BE PREPARED TO TAKE COVER OR PROTECTIVE MEASURES IF NECESSARY.  AND
BE ESPECIALLY WARY OF UNEXPECTED WATER IN ROADWAYS...WASHES OR DIPS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE NEW SOURCE FOR ANY
ADDITIONAL STATEMENTS OR BULLETINS.

END...SHOGREN
Special weather statement, Aug 6, 4:30 PM MST, 1 hour before
AZC003-019-023-070330-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE TUCSON ARIZONA
429 PM MST THU AUG 6 1992

AT 430 PM MST...NUMEROUS THUNDERSTORM ACTIVITY WAS INDICATED BY
RADAR...SATELLITE IMAGERY AND LIGHTNING DETECTORS IN SOUTHEAST
ARIZONA. THE THUNDERSTORMS WERE ESPECIALLY ACTIVE IN EASTERN PIMA...
WESTERN SANTA CRUZ AND COCHISE COUNTIES. IN GENERAL...THE CELLS
WERE MOVING TOWARD THE NORTH-NORTHEAST AT 10 TO 15 MPH.

THE THUNDERSTORMS ARE EXPECTED TO CONTINUE WELL INTO THE EVENING.
SOME OF THEM MAY PRODUCE GUSTY WIND...SMALL HAIL AND LOCALLY HEAVY
RAIN.  OF COURSE...ALL WILL PROVIDE DEADLY LIGHTING.

PERSONS IN THE PATHS OF ANY OF THESE THUNDERSTORMS THIS EVENING SHOULD
BE PREPARED TO TAKE COVER OR PROTECTIVE MEASURES IF NECESSARY.  AND
BE ESPECIALLY WARY OF UNEXPECTED WATER IN ROADWAYS...WASHES OR DIPS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE NEWS SOURCE FOR ANY
ADDITIONAL STATEMENTS OR BULLETINS.

END...SHOGREN
Local storm report, Aug 6, 5:01 PM MST, 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
500 PM MST THU AUG 6 1992

4:19 PM MST...THUNDERSTORM BEGAN AT WSO TUCSON, AZ

4:30 PM MST...SPECIAL WEATHER STATEMENT ISSUED FOR SOUTHEAST ARIZONA

4:55 PM MST...PEAK GUST TO 39 KTS...45 MILES AN HOUR RECORDED AT
              WSO, TUCSON
5:00 PM MST... .10 OF AN INCH UP TO 5:00 PM WITH LOCALLY HEAVY RAIN
              STILL OCCURRING

END...SHOGREN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 5:30 PM MSTFlash Flood WarningTWCPima60 min

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; the sounding from the Mesonet's radiosonde archive.