Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 12, NWS Tucson, AZ

July 28, 1995Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 28, 1995, 3:55 PM MST for Pima County, Arizona. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1995, 3:55 PM MST (22:55 UTC)
Expired
Jul 28, 1995, 5:00 PM MST
In force
65 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.9 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 1995-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 1995-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
3 J/kg
Mixed-layer CIN
-679 J/kg
Mixed-layer LCL
4122 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
101 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 282256 RRA
SVRTUS
AZC019-290000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
355 PM MST FRI JUL 28 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...SOUTHERN PIMA COUNTY
 
AT 355 PM MST TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
JUST WEST OF SASABE. THIS STORM IS MOVING WEST AT 10 TO 15 MPH AND
WILL MOVE INTO THE SAN MIGUEL AREA WITHIN THE NEXT HOUR.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DE ADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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 28, 3:09 PM MST, 46 minutes before
AZZ009-010-282315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
309 PM MST FRI JUL 28 1995

...STRONG THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST ARIZONA...

AT 305 PM MST TUCSON DOPPLER WEATHER RADAR INDICATED STRONG
THUNDERSTORMS DEVELOPING IN COCHISE COUNTY SOUTH OF PEARCE AND
JUST EAST OF BISBEE. OTHER STRONG THUNDERSTORMS WERE IN MEXICO JUST
SOUTH OF SASABE IN PIMA COUNTY. THUNDERSTORMS WERE MOVING WEST AT
10 TO 15 MPH.

THE THUNDERSTORMS WILL BE ACCOMPANIED BY FREQUENT LIGHTNING...STRONG
GUSTY WINDS...AND SMALL HAIL. PERSONS LIVING NEAR THE TOWN OF SASABE
SHOULD BE ALERT SINCE THE THUNDERSTORMS JUST SOUTH OF THE BORDER MAY
MOVE INTO THE SASABE AREA WITHIN THE NEXT HOUR.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

Nearby

Severe Thunderstorm Warnings in Arizona, 1995Every severe thunderstorm warning in 1995

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.