Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Tucson, AZ

August 10, 1995Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 10, 1995, 3:46 PM MST for Pima County, Arizona. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1995, 3:46 PM MST (22:46 UTC)
Expired
Aug 10, 1995, 4:30 PM MST
In force
44 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.8 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 1995-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1447 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 1995-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1447 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2036 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
194 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 102244 RRA
SVRTUS
AZC019-102330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS
NATIONAL WEATHER SERVICE TUCSON ARIZONA
346 PM MST THU AUG 10 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM MST FOR PEOPLE
IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...NORTHEASTERN PIMA COUNTY
 
AT 340 PM..TUCSON DOPPLER RADAR INDICATED A STRONG THUNDERSTORM
OVER THE CATALINA MOUNTAINS ABOUT 5 MILES WEST OF MARANA. THIS
WARNING INCLUDES THE GREATER TUCSON AREA ALONG WITH MARANA.
THE THUNDERSTORM OVER THE CATALINAS PRODUCING A STRONG GUST FRONT
MOVING DOWN THE CATALINA MOUNTAINS. WINDS SPEEDS UP TO 60 MPH HAVE
BEEN DETECTED BY THE RADAR AND WILL MOVE THROUGH THE TUCSON AREA
DURING THE NEXT HOUR. RADAR ALSO INDICATES THAT UP TO ONE AND A HALF
INCHES OF RAIN HAS FALLEN DURING THE LAST 30 MINUTES. AUTOMATIC RAIN
GAGE ALONG THE CATALINA HIGHWAY HAS RECORDED NEARLY AN INCH OF RAIN
DURING THE LAST HOUR. RESIDENTS OF TUCSON AND MOTORISTS ON THE
CATALINA HIGHWAY SHOULD BE PREPARED FOR STRONG GUSTY WINDS UP TO
60 MPH UNTIL 430 PM.
 
IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS
OF 57 MPH...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY
FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 1:40 PM MSTSevere Thunderstorm WarningTWCSanta Cruz45 min
Aug 10, 2:18 PM MSTFlash Flood WarningTWCSanta Cruz57 min
Aug 10, 2:18 PM MSTSevere Thunderstorm WarningTWCSanta Cruz57 min
Aug 10, 2:20 PM MSTSevere Thunderstorm WarningTWCGraham25 min

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.