Alert archive / Arizona / Tornado Warnings in 1993

Tornado Warning 1, NWS Phoenix, AZ

January 17, 1993Maricopa County, Arizona

NWS Phoenix, AZ issued this tornado warning at Jan 17, 1993, 12:32 PM MST for Maricopa County, Arizona. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jan 17, 1993, 12:32 PM MST (19:32 UTC)
Expired
Jan 17, 1993, 1:00 PM MST
In force
28 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Maricopa County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 7.5 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-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 1993-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 1993-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897117136156Sfc1 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
113 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHX 171933
TORPHX
AZC013-172000-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
1232 PM MST SUN JAN 17 1993
 
THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  100 PM MST
FOR THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ARIZONA
 
   ...EAST CENTRAL MARICOPA COUNTY
 
THE TOWER AT SCOTTSDALE AIRPORT HAS REPORTED THAT THE FUNNEL CLOUD IS
APPROACHING THE GROUND IN THE VICINITY OF SHEA AND 112TH STREET. THE
TORNADO IS MOVING TO THE SOUTHEAST AT ABOUT 10 MPH.
 
GET AWAY FROM WINDOWS. GO TO AN INTERIOR ROOM...HALLWAY OR CLOSET ON
THE LOWEST FLOOR. GET UNDER A WORKBENCH...BED OR OTHER STRONG PIECE
OF FURNITURE. USE BLANKETS...PILLOWS OR CUSHIONS TO PROTECT AGAINST
FLYING GLASS
 
TORNADOES DESTROY MOBILE HOMES. IF YOU ARE IN A TRAILER PARK...GO TO
THE PLACE DESIGNATED AS THE STORM SHELTER...OR ANY STRONG BUILDING.
IF YOU CANT FIND A REINFORCED BUILDING...GET IN A DITCH OR CULVERT.
 
LOVEGROVE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 4:35 AM MSTFlash Flood WarningPSRGila, Navajo4 hr
Jan 17, 4:35 AM MSTFlash Flood WarningPSRCoconino, Yavapai4 hr
Jan 17, 4:35 AM MSTFlash Flood WarningPSRMaricopa4 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRCoconino, Gila, Yavapai7 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRMaricopa7 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRNavajo7 hr
Jan 17, 8:20 AM MSTFlash Flood WarningPSRApache7 hr
Jan 17, 2:02 PM MSTTornado WarningPSRMaricopa33 min

Nearby

Tornado Warnings in Arizona, 1993Every tornado warning in 1993Tornadoes in 1993

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.