Alert archive / Arizona / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 2, NWS Phoenix, AZ

January 6, 1992Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jan 6, 1992, 6:14 PM MST for Maricopa County, Arizona. It was in force for 51 min.

The area

The counties it named.

The facts

Issued: Jan 6, 1992, 6:14 PM MST (01:14 UTC)
Expired: Jan 6, 1992, 7:05 PM MST
In force: 51 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

County Maricopa County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 1.2 hours before the alert went out and 198 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1142 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 56 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 070124
SVRPHX
AZC013-070230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
614 PM MST MON JAN 6 1992
 
THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM MST
FOR THE FOLLOWING LOCATIONS......
 
IN SOUTH CENTRAL ARIZONA
 
   ...EAST CENTRAL MARICOPA COUNTY
 
A SMALL BUT INTENSE THUNDERSTORM WAS OVER THE FAR WEST SIDE OF THE
PHOENIX METROPOLITAN AREA AT 615 PM. IT WAS CENTERED ABOUT 5 MILES
NORTH OF GOODYEAR AND MOVING TOWARD THE EAST AROUND 16 TO 17 MPH.
 
THIS THUNDERSTORM HAS BEEN A LONG LIVED ONE...IT STARTED OVER THE
DESERT WEST OF PHOENIX BEFORE 5 PM. IT HAS SHOWN SOME SIGNS OF
INTENSIFYING SINCE ENTERING THE WEST SIDE OF THE METRO AREA...AND MAY
PRODUCE LARGE HAIL AS WELL AS HEAVY RAIN AND VERY FREQUENT LIGHTNING.
 
MARBLE SIZE HAIL HAS ALREADY BEEN REPORTED NEAR LUKE AIRBASE AND AT
THE INTERSECTION OF NORTHERN AVENUE AND COTTON LANE.
 
THIS STORMS EASTWARD MOVEMENT WOULD TAKE IT ACROSS THE NEAR NORTH
SIDE OF PHOENIX BETWEEN 630 AND 730 PM...EVENTUALLY REACHING THE
SCOTTSDALE AREA.
 
PEOPLE ON THE NORTH SIDE OF THE CITY SHOULD PREPARE FOR HAIL AND
POSSIBLE STRONG WINDS...AS WELL AS STREET FLOODING.
 
DRIVING YOUR CAR IS EXTREMELY DANGEROUS DURING SEVERE THUNDERSTORMS.
DANGERS INCLUDE FLYING DEBRIS...DOWNED POWER LINES AND FALLING TREES
AS WELL AS FLOODED STREETS. STAY AT HOME OR IN A REINFORCED BUILDING
UNTIL THE STORM IS OVER.
 
TENHARKEL

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, Jan 6, 2:51 PM MST, 3 hours 23 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
250 PM MST AM MST MON JAN 6 1992

                      MST     PATH   # PERSONS  EST. DAMAGE  CHARACTER
PLACE          DATE   TIME    L   W  KILL. INJ. PROP. CROPS  OF STORM

S PHOENIX      1/06   1350    3/4 INCH DIAMETER HAIL SOUTH PHOENIX

CHANDLER       1/06   1359    3/4 INCH DIAMETER HAIL WILLIAMS AFB

S PHOENIX      1/06   1427   CONFIRMED TORNADO 52 GREEN HOUSES
                          :   DESTROYED

CARPENTER

Local storm report, Jan 6, 3:38 PM MST, 2 hours 36 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
330 PM MST AM MST MON JAN 6 1992

                      MST     PATH   # PERSONS  EST. DAMAGE  CHARACTER
PLACE          DATE   TIME    L   W  KILL. INJ. PROP. CROPS  OF STORM

NW PHOENIX     1/06   1334    TSTM WINDS... ROOF SHNIGLES BLOWN OFF

S PHOENIX      1/06   1350    3/4 INCH DIAMETER HAIL SOUTH PHOENIX

CHANDLER       1/06   1359    3/4 INCH DIAMETER HAIL WILLIAMS AFB

S PHOENIX      1/06   1427   1/2 MI  50YDS CONFIRMED TORNADO 52 GREEN
                             HOUSES DESTROYED

MESA           1/06   1515   TORNADO OR TSTM WND... 2 SEMI
                         TRAILERS OVER TURNED STAPLEY AND SOUTHERN

MESA           1/06   1515   TORNADO... FENCES BLOWN DOWN...

CARPENTER

Special weather statement, Jan 6, 4:14 PM MST, 2 hours before

AZZALL-070515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
407 PM MST MON JAN 6 1992

...WINTER STORM WARNING WHITE MOUNTAINS NORTHWARD THIS EVENING...

THE WINTER STORM WARNING HAS BEEN LIFTED FOR MOST OF NORTHERN ARIZONA
BUT IT HAS BEEN RETAINED FOR THE FAR EAST CENTRAL AND NORTHEAST
PORTIONS UNTIL 10 PM MST THIS EVENING.

UP TO 4 PM...SNOWFALL HAD BEEN RELATIVELY LIGHT IN THE REGION EAST AND
NORTH OF SHOW LOW AND SPRINGERVILLE. HOWEVER...HEAVY SHOWERS AND
THUNDERSTORMS THAT FORMED IN THE PHOENIX AREA AT MID AFTERNOON WERE
MOVING TOWARD THE WHITE MOUNTAINS...AND POSED A THREAT OF RENEWED
HEAVY SNOWFALL LATER THIS EVENING.

FURTHER WEST...CONDITIONS WERE IMPROVING. ONLY FLURRIES OF SNOW WERE
STILL BEING REPORTED AT FLAGSTAFF. HOWEVER THE CITY PICKED UP ABOUT 8
INCHES OF NEW SNOW AND ROADS WERE STILL ICY AND SNOWPACKED LATE THIS
AFTERNOON. THERE WILL NOT BE TIME FOR THE ROADS TO BE CLEARED OFF
BEFORE NIGHTFALL...SO SURFACES WILL REMAIN ICY OR SNOWPACKED.

ALL MOTORISTS HEADED FOR NORTHERN ARIZONA SHOULD BE READY FOR
HAZARDOUS DRIVING CONDITIONS DUE TO ICE AND SNOW THROUGH THE NIGHT AND
INTO THE DAY TUESDAY.

TENHARKEL

Special weather statement, Jan 6, 4:19 PM MST, 1 hour 55 minutes before

AZZALL-070515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
407 PM MST MON JAN 6 1992

...WINTER STORM WARNING WHITE MOUNTAINS NORTHWARD THIS EVENING...

THE WINTER STORM WARNING HAS BEEN LIFTED FOR MOST OF NORTHERN ARIZONA
BUT IT HAS BEEN RETAINED FOR THE FAR EAST CENTRAL AND NORTHEAST
PORTIONS UNTIL 10 PM MST THIS EVENING.

UP TO 4 PM...SNOWFALL HAD BEEN RELATIVELY LIGHT IN THE REGION EAST AND
NORTH OF SHOW LOW AND SPRINGERVILLE. HOWEVER...HEAVY SHOWERS AND
THUNDERSTORMS THAT FORMED IN THE PHOENIX AREA AT MID AFTERNOON WERE
MOVING TOWARD THE WHITE MOUNTAINS...AND POSED A THREAT OF RENEWED
HEAVY SNOWFALL LATER THIS EVENING.

FURTHER WEST...CONDITIONS WERE IMPROVING. ONLY FLURRIES OF SNOW WERE
STILL BEING REPORTED AT FLAGSTAFF. HOWEVER THE CITY PICKED UP ABOUT 8
INCHES OF NEW SNOW AND ROADS WERE STILL ICY AND SNOWPACKED LATE THIS
AFTERNOON. THERE WILL NOT BE TIME FOR THE ROADS TO BE CLEARED OFF
BEFORE NIGHTFALL...SO SURFACES WILL REMAIN ICY OR SNOWPACKED.

ALL MOTORISTS HEADED FOR NORTHERN ARIZONA SHOULD BE READY FOR
HAZARDOUS DRIVING CONDITIONS DUE TO ICY SNOW@ACKED ROADS THROUGH THE
NIGHT AND INTO THE DAY TUESDAY.

TENHARKEL

Special weather statement, Jan 6, 5:23 PM MST, 51 minutes before

AZC013-070215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
516 PM MST MON JAN 6 1992

...THUNDERSTORMS WITH HAIL ON WEST SIDE OF METRO PHOENIX...

AT 5 PM LOCAL RADAR SHOWED A SMALL BUT FAIRLY STRONG THUNDERSTORM
ALONG INTERSTATE 10 ABOUT 20 MILES WEST OF PHOENIX...APPROACHING THE
GOODYEAR...AVONDALE AREA. RADAR INDICATED HAIL AND HEAVY RAIN IN THIS
THUNDERSTORM.

THE STORM WAS MOVING EAST AROUND 15 MPH AND SHOWED NO SIGNS OF
WEAKENING. IT SHOULD PASS OVER THE CENTER OF PHOENIX BETWEEN 6 AND 7
PM AND MAY RESULT IN SOME STREET FLOODING. HOWEVER IT IS A SMALL STORM
AND WILL PROBABLY MISS A GOOD PART OF THE CITY.

THE RISK OF MORE THUNDERSTORMS SHOULD DIMINISH SO~ON...NOW THAT THE SUN
IS NO LONGER HEATING THE SURFACE. BUT THEY COULD BE WITH US FOR
ANOTHER HOUR OR TWO. MOTORISTS SHOULD WATCH OUT FOR STREET FLOODING.

TENHARKEL

Nearby

Severe Thunderstorm Warnings in Arizona, 1992 Every severe thunderstorm warning in 1992

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.