Alert archive / Arizona / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Phoenix, AZ

July 14, 1996Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 14, 1996, 8:10 PM MST for Maricopa County, Pinal County, Arizona. It was in force for 80 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 14, 1996, 8:10 PM MST (03:10 UTC)
Expired: Jul 14, 1996, 9:30 PM MST
In force: 80 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

Counties Maricopa County, AZ, Pinal County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 3.2 hours before the alert went out and 143 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: 10 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1897 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 70 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 KPHX 150311
SVRPHX
AZC013-021-150430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
810 PM MST SUN JUL 14 1996

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM MST FOR PEOPLE IN THE
FOLLOWING LOCATIONS...

IN SOUTH-CENTRAL ARIZONA

  ...EASTERN MARICOPA COUNTY...INCLUDING THE PHOENIX EAST VALLEY      
       CITIES.
  ...NORTHERN PINAL COUNTY...INCLUDING PORTIONS OF THE GILA RIVER
       INDIAN RESERVATION BETWEEN SUN LAKES AND COOLIDGE...AND
       APACHE JUNCTION.

AT 810 PM WEATHER RADAR DETECTED SCATTERED TO NUMEROUS STRONG
THUNDERSTORMS...SOME SEVERE...DEVELOPING ACROSS MUCH OF EASTERN
MARICOPA AND NORTHERN PINAL COUNTIES. THESE STORMS EXTENDED FROM JUST
EAST OF FOUNTAIN HILLS...SOUTH TO MESA/APACHE JUNCTION...QUEEN
CREEK...AND PORTIONS OF THE GILA RIVER INDIAN RESERVATION.  

THESE STORMS WERE MOVING SLOWLY TO THE WEST AND WILL LIKELY BUILD
INTO OTHER PORTIONS OF THE SALT RIVER VALLEY THIS EVENING.

THESE ARE DANGEROUS THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS
IN EXCESS OF 57 MPH...LARGE HAIL...DEADLY LIGHTNING FOLLOWED BY HEAVY
RAIN.

RESIDENTS AND MOTORISTS SHOULD TAKE SHELTER IF THREATENING WEATHER
APPROACHES.  STAY AWAY FROM WINDOWS TO AVOID THE HAZARDS OF FLYING
DEBRIS.  BLINDING DUST STORMS COULD LEAD TO DANGEROUS DRIVING
CONDITIONS.

VASQUEZ

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

Local storm report, Jul 14, 6:41 PM MST, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
640 PM MST SUN JUL 14 1996

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

0510 P.M.   6.5 SE OF GLOBE           AZ   TORNADO
07/14/96    GILA                           TORNADO LIFTED A TRAILER
                                           OFF ITS FOUNDATION...AND
                                           DAMAGED THREE OR FOUR
                                           OTHERS IN THE ALHAMBRA
                                           MOBILE HOME PARK.

NC/150140Z

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 5:31 PM MST	Flash Flood Warning	PSR	Gila	99 min
Jul 14, 5:31 PM MST	Severe Thunderstorm Warning	PSR	Gila	99 min
Jul 14, 5:45 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	65 min
Jul 14, 7:07 PM MST	Severe Thunderstorm Warning	PSR	Pinal	63 min
Jul 14, 8:55 PM MST	Flash Flood Warning	PSR	Maricopa	65 min
Jul 14, 9:29 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	61 min
Jul 14, 10:30 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	60 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.