Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 9, NWS Tucson, AZ

July 3, 1996Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 3, 1996, 7:33 PM MST for Pima 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 3, 1996, 7:33 PM MST (02:33 UTC)
Expired
Jul 3, 1996, 8:15 PM MST
In force
42 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 2.6 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 1996-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 178 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 1996-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
178 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
2922 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
58 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 040232
SVRTUS
AZC019-040315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
733 PM MST WED JUL 3 1996
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...EASTERN PIMA COUNTY
 
TUCSON DOPPLER RADAR AND SPOTTER REPORTS INDICATED A SEVERE THUNDERSTORM
IN EASTERN PIMA COUNTY. THIS THUNDERSTORM IS MOVING WEST AT 15 MPH AND
WILL MOVE INTO THE VAIL AREA WITHIN THE NEXT 30 MINUTES. AT 720 PM HIGH
WINDS WERE REPORTED BY WEATHER SPOTTERS IN THE ST DAVID AREA CAUSING
TREE DAMAGE.
 
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 Jul 3, 2:16 PM MST, 5 hours 17 minutes earlier.

Area forecast discussion, Jul 3, 2:16 PM MST, 5 hours 17 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
215 PM MST TUE JUL 2 1996

CONVECTIVE ACTIVITY HAS BEEN FIRING OVER THE RIM PAST FEW HOURS BUT
IS JUST STARTING TO GET UNDERWAY ACROSS THE REST OF SE AZ AS PARCELS
JUST BEGINNING TO BREAK THROUGH CAP. SOUNDING PROFILE VERY SIMILAR TO
YESTERDAY SO EXPECT MOST STORMS THIS EVENING TO BE THE GENERIC TYPE
LIKE YESTERDAY...I.E BRIEF HEAVY RAIN AND GUSTY WINDS.

H5 HIGH PROGGED TO REMAIN OVER CO/NRN NM AT LEAST NEXT 5 DAYS SO
OUR MOIST MONSOON PATTERN WILL CONTINUE WITH THE USUAL SCT MAINLY
AFTN/EVE TSTMS. COLLINS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 5:35 PM MSTSevere Thunderstorm WarningTWCPima, Pinal40 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.