Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 53, NWS Tucson, AZ

September 18, 1995Cochise County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Sep 18, 1995, 6:41 PM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 19 min.

The area

The counties it named.

The facts

Issued
Sep 18, 1995, 6:41 PM MST (01:41 UTC)
Expired
Sep 18, 1995, 7:00 PM MST
In force
19 min
Issued by
NWS Tucson, AZ
Area
Whole counties

Counties Cochise County, AZ, Santa Cruz County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 1.7 hours before the alert went out and 77 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 1995-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 184 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 1995-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 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
184 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
2673 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
3 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 190141 RRA
SVRTUS
AZC023-003-190200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
641 PM MST MON SEP 18 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ARIZONA
 
   ...SOUTHEASTERN SANTA CRUZ COUNTY
 
IN SOUTHEAST ARIZONA
 
   ...SOUTHERN COCHISE COUNTY
 
TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
WEST OF BISBEE. THIS STORM WAS MOVING TO THE EAST AT 10 TO
15 MPH.  AT 615 PM...AN UNOFFICIAL GAGE IN THIS AREA REPORTED
STRONG WINDS OF 84 MPH.
 
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 COVERXS THE ROAD.
 
  T

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, Sep 18, 12:50 PM MST, 5 hours 51 minutes before
AZZ009-182045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
1250 PM MST MON SEP 18 1995

...STRONG THUNDERSTROM WEST OF GREEN VALLEY...

AT 1245 PM...TUCSON DOPPLER RADAR INDICATED A STRONG THUNDERSTORM
5 MILES WEST OF GREEN VALLEY. MOVEMENT OF THIS STORM IS NORTHEAST
AROUND 10 MPH. THIS STORM IS CAPABLE OF PRODUCING STRONG GUSTY
WINDS...BRIEF HEAVY RAIN...SMALL HAIL AND DEADLY LIGHTNING. THIS
STORM WILL MOVE THROUGH THE GREEN VALLEY AREA DURING THE NEXT
HOUR. SO RESIDENTS OF GREEN VALLEY AND MOTORISTS ON INTERSTATE 19
SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS.

JRG
Special weather statement, Sep 18, 12:50 PM MST, 5 hours 51 minutes before
AZZ009-182045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
1250 PM MST MON SEP 18 1995

...STRONG THUNDERSTROM WEST OF GREEN VALLEY...

AT 1245 PM...TUCSON DOPPLER RADAR INDICATED A STRONG THUNDERSTORM
5 MILES WEST OF GREEN VALLEY. MOVEMENT OF THIS STORM IS NORTHEAST
AROUND 10 MPH. THIS STORM IS CAPABLE OF PRODUCING STRONG GUSTY
WINDS...BRIEF HEAVY RAIN...SMALL HAIL AND DEADLY LIGHTNING. THIS
STORM WILL MOVE THROUGH THE GREEN VALLEY AREA DURING THE NEXT
HOUR. SO RESIDENTS OF GREEN VALLEY AND MOTORISTS ON INTERSTATE 19
SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS.

JRG
Special weather statement, Sep 18, 1:45 PM MST, 4 hours 56 minutes before
AZZ007-009-010-182145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
145 PM MST MON SEP 18 1995

...THUNDERSTORM ACTIVITY INCREASING OVER SOUTHERN ARIZONA...

AT 143 PM...TUCSON DOPPLER RADAR SHOWED INCREASING THUNDERSTORM
ACTIVITY OVER SOUTHERN ARIZONA.  THE STRONGEST STORMS WERE OVER
CENTRAL AND EASTERN PIMA COUNTY...AND ANOTHER STRONG STORM WAS JUST
WEST OF DOUGLAS IN COCHISE COUNTY.  STORM MOVEMENT IS GENERALLY TO
THE NORTHEAST AT ABOUT 10 MPH.  BE PREPARED FOR BRIEF HEAVY
RAIN...GUSTY WINDS...SMALL HAIL...AND FREQUENT LIGHTNING.

ARB
Special weather statement, Sep 18, 6:25 PM MST, 16 minutes before
AZZ007-009-010-190225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
625 PM MST MON SEP 18 1995

...THUNDERSTORMS CONTINUING OVER SOUTHEASTERN ARIZONA...

AT 625 PM...TUCSON DOPPLER RADAR INDICATED THUNDERSTORMS
CONTINUING OVER PORTIONS OF PIMA...SANTA CRUZ AND COCHISE
COUNTIES.  THE STRONGEST STORMS WERE LOCATED OVER EASTERN
SANTA CRUZ AND SOUTHWESTERN COCHISE COUNTIES BETWEEN BISBEE
AND PATAGONIA.  A NATIONAL WEATHER SERVICE SPOTTER 12 MILES SOUTH
OF SIERRA VISTA HAS REPORTED .45 INCHES OF RAIN IN A 15 MINUTE
PERIOD.  RADAR HAS ESTIMATED RAINFALL RATES IN EXCESS OF 1.5
INCHES PER HOUR FROM SOME OF THESE STORMS.  MOVEMENT WAS TO THE
NORTHEAST AT 10 TO 15 MPH.

BE PREPARED FOR BRIEF HEAVY RAIN...GUSTY WINDS...SMALL HAIL...AND
FREQUENT LIGHTNING.

T

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 5:04 PM MSTSevere Thunderstorm WarningTWCSanta Cruz11 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.