Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 5, NWS Tucson, AZ

June 29, 1996Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 29, 1996, 3:02 PM MST for Pima County, Arizona. It was in force for 43 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
Jun 29, 1996, 3:02 PM MST (22:02 UTC)
Expired
Jun 29, 1996, 3:45 PM MST
In force
43 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.0 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 12:00Z on 1996-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3571 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUS 292201
SVRTUS
AZC019-292245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
302 PM MST SAT JUN 29 1996
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...NORTHEASTERN PIMA COUNTY
 
AT 300 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
IN THE SANTA CATALINA MOUNTAINS JUST NORTHEAST OF TUCSON. THE
THUNDERSTORM IS MOVING NORTHWEST AT 15 MPH AND WILL MOVE INTO
SUMMERHAVEN WITHIN THE NEXT HALF HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 57
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 Jun 29, 1:34 PM MST, 1 hour 28 minutes earlier.

Area forecast discussion, Jun 29, 1:34 PM MST, 1 hour 28 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
200 PM MST SAT JUN 29 1996

CLASSIC BATTLE TODAY BETWEEN DRY DESERT AND LOTSA MSTR MOVG IN FROM
E. DIFFICULT TO TELL WHICH WILL WIN THIS AFTN BUT BY EVENING WHEN WE
DECOUPLE FROM BOUNDARY LAYER TSTMS WILL HAVE THE UPPER HAND. LOW LVL
E FLOW TO CONTINUE NEXT FEW DAYS AND WITH 60 DEWPOINTS AT
ELP..DMN...AND CUU WE WILL ONLY GET MORE MOIST. ADDING TO THIS IS
SOME UPR LVL DIVERGEN^CE WHICH WILL INCREASE SOME ON SUN. A GOOD WAY
TO START THE MONSOON. TUS 3333. HOLBROOK

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.