Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 39, NWS Tucson, AZ

July 9, 1996Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 9, 1996, 12:25 AM MST for Pima County, Arizona. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 9, 1996, 12:25 AM MST (07:25 UTC)
Expired: Jul 9, 1996, 1:15 AM MST
In force: 50 min
Issued by: NWS Tucson, AZ
Area: Whole counties

County Pima County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 7.4 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1063 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 2192 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 8, 8:49 PM MST, 3 hours 36 minutes earlier.

Area forecast discussion, Jul 8, 8:49 PM MST, 3 hours 36 minutes before

SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
845 PM MST MON JUL 8 1996

VERY INTERESTING LSRTUS TO READ...DECENT TUS STORM THIS AFTN.
THINGS BECOMING MUCH MORE QUIET...BUT SCT TO WDLY SCT ACTIVITY
CONTS...ESPECIALLY ZN026 (MOSTLY RW/RW-). STILL...LOOKING AT
CURRENT RAINFALL ESTIMATES WE SHUD BE OKAY IN DROPPING FLASH
FLOOD WATCH AROUND 9 PM...ALTHOUGH IT SERVED US WELL TDA. 1ST PD
MODIFICATIONS TO SHOW DECRG ACTIVITY WITH ZNS MASSAGED IN THE
SAME DIRECTIONS TO DIFFERENT DEGREES.

TMW LOOKS LIKE ANOTHER FINE DAY. LOW SPINS OFF BAJA WITH HIGH TO
THE EAST KEEPS DECENT SLY FLOW. 24HR ETA TUS FCST SOUNDING AGN
VERY RESPECTABLE (SIMILAR VALS TO LAST NIGHTS FCST FOR THIS
AFTN...PANNED OUT PRETTY WELL). ETA BRINGS UP IMPL FM S TMW INTO
S CNTRL PTNS...THEN INTO CNTRL AZ BY WED. UPR LVL DIFFLUENCE OVR
SERN PTNS TMW AFTN...THEN CNTRL AZ WED. PERHAPS THE FOCUS TO CHG
NWD...SOMETHING TO LOOK AT. I DOUBT WE CALM DOWN VERY MUCH AT ANY
RATE. NO BIG CHGS BESIDES 1ST PD. TUS 2333. MEYER

In the hours before

Local storm report, Jul 8, 8:46 PM MST, 3 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
845 PM MST MON JUL 8 1996

TIME(MST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

 404 PM    5 SE TUCSON               AZ   82 MPH WIND MEASURED
           PIMA                           AT DAVIS MONTHAN
                                          AIR FORCE BASE

 405 PM    5 S TUCSON                AZ   2 FOOT DIAMETER TREE
           PIMA                           SNAPPED JUST NORTH OF
                                          TUCSON INTERNATIONAL
                                          AIRPORT

 405 PM    5 S TUCSON                AZ   DAMAGED CARGO PLANE
           PIMA                           AT TUCSON INTERNATIONAL
                                          AIRPORT

 APPROX    5 S TUCSON                AZ   ROOF BLOWN OFF HANGER
 410 PM    PIMA                           AT TUCSON INTERNATIONAL
                                          AIRPORT.  THREE AIRCRAFT
                                          DAMAGED

 APPROX    TUCSON                    AZ   TRAILER PARK DAMAGED
 415 PM    PIMA                           ROOFS BLOWN OFF TRAILERS
                                          AND WINDOWS BLOWN OUT

 415 PM    6 SE TUCSON               AZ   66 MPH WIND MEASURED
           PIMA                           BY SPOTTER

 415 PM    5 S TUCSON                AZ   1 FOOT DIAMETER TREE
           PIMA                           SNAPPED NEAR TUCSON
                                          INTERNATIONAL AIRPORT

 415 PM    5 S TUCSON                AZ   2 FOOT DIAMETER TREE
           PIMA                           UPROOTED NEAR TUCSON
                                          INTERNATIONAL AIRPORT

 420 PM    TUCSON                    AZ   STREET FLOODING
           PIMA                           SOUTH AND SOUTHEAST
                                          TUCSON.  WATER 2 FEET
                                          DEEP WITH CARS STRANDED

 400 PM    TUCSON                    AZ   FLASH FLOODING
-530 PM    PIMA                           SOUTHEAST TUCSON.
                                          WATER DEPTH 6 INCHES
                                          TO 2 FEET

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:39 PM MST	Flash Flood Warning	TWC	Cochise	66 min
Jul 8, 5:39 PM MST	Severe Thunderstorm Warning	TWC	Cochise	66 min
Jul 8, 6:03 PM MST	Flash Flood Warning	TWC	Pinal	57 min
Jul 8, 6:03 PM MST	Severe Thunderstorm Warning	TWC	Pinal	57 min
Jul 8, 7:01 PM MST	Flash Flood Warning	TWC	Pinal	59 min
Jul 9, 12:25 AM MST	Flash Flood Warning	TWC	Pima	50 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1996 Every severe thunderstorm warning in 1996

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.