Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 44, NWS Tucson, AZ

September 6, 1995Santa Cruz County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Sep 6, 1995, 2:20 PM MST for Santa Cruz County, Arizona. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1995, 2:20 PM MST (21:20 UTC)
Expired
Sep 6, 1995, 3:00 PM MST
In force
40 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Santa Cruz County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 9.3 hours before the alert went out and 72 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 1995-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1909 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 1995-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
1909 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1431 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-6 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 062119 RRA
SVRTUS
AZC023-062200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
220 PM MST WED SEP 6 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...NORTHEASTERN SANTA CRUZ COUNTY
 
AT 217 PM TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3
MILES SOUTHWEST OF SONOITA ALONG STATE HIGHWAY 82.
 
THIS STORM IS MOVING TOWARDS THE NORTHEAST AT 5 MPH. THIS STORM
WILL MOVE THROUGH SONOITA AROUND 230 PM.
 
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.
 
COLLINS

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 Sep 6, 2:32 AM MST, 11 hours 48 minutes earlier.

Area forecast discussion, Sep 6, 2:32 AM MST, 11 hours 48 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
230 AM MST WED SEP 6 1995

AT 09Z...CONVECTION DIED OUT...ONLY MID AND HI CLDS LEFT
OVER SE AZ.  AMS OVR SE AZ STILL MOIST...THOUGH NOT LIKE
YDA. DEW POINTS AT DUG INCRG TO 62.  UPR LVL HI TO REMAIN
OVR E CNTRL NM WED WITH WK E-SE FLOW ALF.  WATER VAPOR
LOOP SHOWS MSTR PLUME FROM HENRIETTE SHEARING OUT TO SW
AND NE. NE BRANCH CONCENTRATED OVR S CA/ W AZ AND
APPEARS TO BE CAUGHT UP IN SW FLOW AHEAD OF PAC TROF.
THE QUESTION IS HOW QUICKLY THIS MSTR WILL MOV OUT OF
THE AREA.  AIR MASS OVR NM, TX, AND SONORA IS DRIER...
BUT NOT DARK ON WATER VAPOR LOOP.  ENUF MSTR WED FOR
WDLY SCT TSTMS...WITH PERHAPS MORE ACTIVITY IN ZONEX 10
THAN YDA.  BY THU...HI DROPS TO SW NM AND WEAKENS
A BIT. THIS TURNS FLOW A BIT MORE SLY. TUS 222.

.TUS...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 3:36 PM MSTSevere Thunderstorm WarningTWCPima54 min
Sep 6, 4:46 PM MSTSevere Thunderstorm WarningTWCPima59 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.