Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 62, NWS Tucson, AZ

September 28, 1995Cochise County, Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Sep 28, 1995, 4:41 AM MST for Cochise County, Pima County, Arizona. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Sep 28, 1995, 4:41 AM MST (11:41 UTC)
Expired
Sep 28, 1995, 5:45 AM MST
In force
64 min
Issued by
NWS Tucson, AZ
Area
Whole counties

Counties Cochise County, AZ, Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 11.7 hours before the alert went out and 24 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 1995-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 923 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 1995-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.193958Sfc1 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
923 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
2346 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUS 281142 RRA
SVRTUS
AZC019-003-281245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
441 AM MST THU SEP 28 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM MST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ARIZONA
 
   ...EASTERN PIMA COUNTY
 
IN SOUTHEAST ARIZONA
 
   ...WESTERN COCHISE COUNTY
 
AT 440 AM MST TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
FROM THE RINCON MOUNTAINS SOUTH THROUGH VAIL THEN SOUTH INTO THE
EMPIRE MOUNTAINS. THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MPH.
THIS THUNDERSTORM WILL MOVE INTO WESTERN COCHISE COUNTY AND THE
BENSON AREA WITHIN 30 TO 45 MINUTES.
 
 
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.

In the hours before

Special weather statement, Sep 27, 11:09 PM MST, 5 hours 32 minutes before
AZZ007-009-010-280810-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1109 PM MST WED SEP 27 1995

...STRONG THUNDERSTORMS DEVELOPING IN NORTHERN MEXICO...

AT 1110 PM MST TUCSON DOPPLER RADAR INDICATES STRONG THUNDERSTORMS
DEVELOPING IN MEXICO FROM THE MEXICAN BORDER JUST SOUTH OF SELLS
EXTENDING SOUTHEAST TO 30 MILES SOUTH OF NOGALES.

THE THUNDERSTORMS ARE MOVING NORTH AT 20 TO 25 MPH AND ARE
INCREASING IN BOTH AREAL COVERAGE AND INTENSITY. THE THUNDERSTORMS
SHOULD MOVE INTO THE SELLS AND NOGALES AREAS WITHIN THE NEXT HOUR.

PERSONS IN SOUTHEAST ARIZONA SHOULD BE ALERT TO THESE THUNDERSTORMS
AS THEY MOVE THROUGH THE AREA TONIGHT. SOME OF THESE STORMS MAY CONTAIN
SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF
RAIN.

HOLBROOK

WTPN32PGTW
Special weather statement, Sep 27, 11:12 PM MST, 5 hours 29 minutes before
AZZ007-009-010-280810-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1109 PM MST WED SEP 27 1995

...STRONG THUNDERSTORMS DEVELOPING IN NORTHERN MEXICO...

AT 1110 PM MST TUCSON DOPPLER RADAR INDICATES STRONG THUNDERSTORMS
DEVELOPING IN MEXICO FROM THE MEXICAN BORDER JUST SOUTH OF SELLS
EXTENDING SOUTHEAST TO 30 MILES SOUTH OF NOGALES.

THE THUNDERSTORMS ARE MOVING NORTH AT 20 TO 25 MPH AND ARE
INCREASING IN BOTH AREAL COVERAGE AND INTENSITY. THE THUNDERSTORMS
SHOULD MOVE INTO THE SELLS AND NOGALES AREAS WITHIN THE NEXT HOUR.

PERSONS IN SOUTHEAST ARIZONA SHOULD BE ALERT TO THESE THUNDERSTORMS
AS THEY MOVE THROUGH THE AREA TONIGHT. SOME OF THESE STORMS MAY CONTAIN
SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF
RAIN.

HOLBROOK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 5:10 PM MSTSevere Thunderstorm WarningTWCCochise, Pima65 min
Sep 27, 11:41 PM MSTSevere Thunderstorm WarningTWCPima49 min
Sep 28, 12:01 AM MSTTornado WarningTWCPima29 min
Sep 28, 12:17 AM MSTSevere Thunderstorm WarningTWCPima43 min
Sep 28, 12:32 AM MSTSevere Thunderstorm WarningTWCPima43 min
Sep 28, 12:52 AM MSTSevere Thunderstorm WarningTWCCochise68 min
Sep 28, 1:00 AM MSTSevere Thunderstorm WarningTWCPima60 min
Sep 28, 1:31 AM MSTFlash Flood WarningTWCPima119 min
Sep 28, 1:55 AM MSTSevere Thunderstorm WarningTWCPima50 min
Sep 28, 2:44 AM MSTSevere Thunderstorm WarningTWCCochise46 min
Sep 28, 3:31 AM MSTFlash Flood WarningTWCPima, Santa Cruz119 min
Sep 28, 6:15 AM MSTSevere Thunderstorm WarningTWCGraham2 hr
Sep 28, 7:25 AM MSTSevere Thunderstorm WarningTWCGraham50 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.