Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 14, NWS Tucson, AZ

July 30, 1995Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 30, 1995, 3:12 PM MST for Pima County, Arizona. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1995, 3:12 PM MST (22:12 UTC)
Expired
Jul 30, 1995, 4:00 PM MST
In force
48 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.2 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 1995-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1018 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 1995-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1018 J/kg
Mixed-layer CIN
-319 J/kg
Mixed-layer LCL
2430 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
19 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 302213 RRA
SVRTUS
AZC019-302300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON ARIZONA
312 PM MST SUN JUL 30 1995
 
THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...NORTHEASTERN PIMA COUNTY
 
AT 310 PM TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3
MILES SOUTHEAST OF MARANA NEAR AND ALONG I-10.
 
MOVEMENT OF THE STORM WAS TO THE NORTHWEST AT 10 TO 15 MPH.
 
THIS STORM WILL MOVE THROUGH THE MARANA AREA BETWEEN 315 PM AND
330 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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
 r

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 Jul 30, 9:10 AM MST, 6 hours 2 minutes earlier.

Area forecast discussion, Jul 30, 9:10 AM MST, 6 hours 2 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
910 AM MST SUN JUL 30 1995

UPR HI CNTRD NR NRN PTN AZ/NM BDR THIS MRNG WITH NE-E AIRFLOW
ALOFT. TUS SNDG THIS MRNG SHOWED A MOIST LAYER AROUND 550 MB
BUT DRY IN THE LOW LVLS XCP FOR A THIN LAYER OF MSTR AT THE
SFC AS INDICATED BY DEWPOINTS IN THE UPR 50S AT TUS. HOWEVER
DEWPOINTS OVR OTHER STATIONS IN SE AZ IN THE MID 40S. LOOKS
LIKE JUST ENOUGH MSTR AND INSTBY TDA FOR A FEW jHI BASED TSTMS.
NOT MUCH CHG IN THE PATTERN MON WITH MSTR RMNG RATHER SKIMPY.
88D SHOWS AN AREA OF CONVECTIVE ACTIVITY JUST ACROSS THE BORDER
FROM DUG MOVG NW. THIS WILL BEAR WATCHING.
TUS 111  COLLINS

.TWC...NONE.

In the hours before

Special weather statement, Jul 30, 12:41 PM MST, 2 hours 31 minutes before
AZZ009-010-302045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
1240 PM MST SUN JUL 30 1995

...THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SANTA CRUZ AND SOUTHERN
PIMA COUNTY...

AT 1235 PM TUCSON DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
SANTA CRUZ AND SOUTHERN PIMA COUNTY.  THE STRONGEST STORMS WERE
LOCATED NEAR PATAGONIA...OVER MADERA CANYON 10 MILES SOUTHEAST OF
GREEN VALLEY...ABOUT 10 MILES NORTH OF SONOITA...AND ABOUT 12 MILES
SOUTH OF KITT PEAK.

MOVEMENT WAS TOWARDS THE WEST-NORTHWEST AT 5 TO 10 MILES PER HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...STRONG
GUSTY WINDS AND SMALL HAIL.  PERSONS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER APPROACHES
YOUR AREA.

COLLINS/SALTER
Special weather statement, Jul 30, 12:52 PM MST, 2 hours 20 minutes before
AZZ009-010-302045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
1240 PM MST SUN JUL 30 1995

...THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SANTA CRUZ AND SOUTHERN
PIMA COUNTY...

AT 1235 PM TUCSON DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
SANTA CRUZ AND SOUTHERN PIMA COUNTY.  THE STRONGEST STORMS WERE
LOCATED NEAR PATAGONIA...OVER MADERA CANYON 10 MILES SOUTHEAST OF
GREEN VALLEY...ABOUT 10 MILES NORTH OF SONOITA...AND ABOUT 12 MILES
SOUTH OF KITT PEAK.

MOVEMENT WAS TOWARDS THE WEST-NORTHWEST AT 5 TO 10 MILES PER HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...STRONG
GUSTY WINDS AND SMALL HAIL.  PERSONS SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER APPROACHES
YOUR AREA.

COLLINS/SALTER
Special weather statement, Jul 30, 2:16 PM MST, 56 minutes before
AZZ009-010-302200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
216 PM MST SUN JUL 30 1995

...STRONG THUNDERSTORMS CONTINUE ACROSS EASTERN PIMA COUNTY AND
CENTRAL PIMA COUNTY...

AT 215 PM TUCSON DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
EASTERN AND CENTRAL PIMA COUNTY.  THE STRONGEST STORMS WERE LOCATED
OVER SOUTHWEST TUCSON...ABOUT 5 MILES NORTHWEST OF THREE POINTS...
AND IN THE VICINITY OF VAIL.

A WEATHER SPOTTER 6 MILES SOUTHWEST OF DOWNTOWN TUCSON REPORTED UP
TO HALF INCH HAIL AND SMALL HAIL WAS REPORTED AT THE TUCSON WEATHER
SERVICE OFFICE.

THESE STORMS ARE MOVING IN A NORTHWEST DIRECTION AT 10 TO 15
MILES PER HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
BRIEF HEAVY RAIN AND HAIL.  BE AWARE OF CHANGING WEATHER
CONDITIONS IN YOUR AREA AND SEEK SHELTER IF THREATENING WEATHER
APPROACHES.

COLLINS/SALTER
Special weather statement, Jul 30, 2:17 PM MST, 55 minutes before
AZZ009-010-302200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
216 PM MST SUN JUL 30 1995

...STRONG THUNDERSTORMS CONTINUE ACROSS EASTERN PIMA COUNTY AND
CENTRAL PIMA COUNTY...

AT 215 PM TUCSON DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
EASTERN AND CENTRAL PIMA COUNTY.  THE STRONGEST STORMS WERE LOCATED
OVER SOUTHWEST TUCSON...ABOUT 5 MILES NORTHWEST OF THREE POINTS...
AND IN THE VICINITY OF VAIL.

A WEATHER SPOTTER 6 MILES SOUTHWEST OF DOWNTOWN TUCSON REPORTED UP
TO HALF INCH HAIL AND SMALL HAIL WAS REPORTED AT THE TUCSON WEATHER
SERVICE OFFICE.

THESE STORMS ARE MOVING IN A NORTHWEST DIRECTION AT 10 TO 15
MILES PER HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
BRIEF HEAVY RAIN AND HAIL.  BE AWARE OF CHANGING WEATHER
CONDITIONS IN YOUR AREA AND SEEK SHELTER IF THREATENING WEATHER
APPROACHES.

COLLINS/SALTER
Special weather statement, Jul 30, 3:00 PM MST, 12 minutes before
AZZ009-007-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
300 PM MST SUN JUL 30 1995

...STRONG THUNDERSTORMS CONTINUE ACROSS PIMA COUNTY...

AT 255 TUCSON DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
EXTENDING FROM NEAR MOUNT LEMMON WESTWARD TO NEAR AJO...INCLUDING
THE TUCSON METRO AREA.

MOVEMENT OF THE STORMS IS TO THE NORTHWEST AT 10 TO 15 MILES PER
HOUR.

A WEATHER SPOTTER AT RYAN FIELD AIRPORT IN SOUTHWEST TUCSON
REPORTED A WIND GUST OF 55 MILES PER HOUR AT 230 PM...AND ALSO
HAIL UP TO ONE HALF INCH HAS BEEN REPORTED WITH THESE STORMS.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
BRIEF HEAVY RAIN AND HAIL.  PERSONS SHOULD BE AWARE OF THE CHANGING
WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER
APPROACHES.

COLLINS/SALTER
Special weather statement, Jul 30, 3:01 PM MST, 11 minutes before
AZZ009-007-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON ARIZONA
300 PM MST SUN JUL 30 1995

...STRONG THUNDERSTORMS CONTINUE ACROSS PIMA COUNTY...

AT 255 TUCSON DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
EXTENDING FROM NEAR MOUNT LEMMON WESTWARD TO NEAR AJO...INCLUDING
THE TUCSON METRO AREA.

MOVEMENT OF THE STORMS IS TO THE NORTHWEST AT 10 TO 15 MILES PER
HOUR.

A WEATHER SPOTTER AT RYAN FIELD AIRPORT IN SOUTHWEST TUCSON
REPORTED A WIND GUST OF 55 MILES PER HOUR AT 230 PM...AND ALSO
HAIL UP TO ONE HALF INCH HAS BEEN REPORTED WITH THESE STORMS.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
BRIEF HEAVY RAIN AND HAIL.  PERSONS^ SHOULD BE AWARE OF THE CHANGING
WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER
APPROACHES.

COLLINS/SALTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 1:00 PM MSTSevere Thunderstorm WarningTWCPima45 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.