Alert archive / Idaho / Tornado Warnings in 1993

Tornado Warning 2, NWS Boise, ID

March 17, 1993Lincoln County, Idaho

NWS Boise, ID issued this tornado warning at Mar 17, 1993, 5:10 PM MST for Lincoln County, Idaho. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Mar 17, 1993, 5:10 PM MST (00:10 UTC)
Expired
Mar 17, 1993, 5:45 PM MST
In force
35 min
Issued by
NWS Boise, ID
Area
Whole counties

County Lincoln County, ID

The nearest sounding before it

Boise Airport, ID (KBOI), launched 00:00Z, 0.2 hours before the alert went out and 178 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, Boise Airport, ID at 00:00Z on 1993-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Boise Airport, ID at 00:00Z on 1993-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
211 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 KBOI 180007
TORBOI
IDC053-063-083-180045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BOISE ID
510 PM MST WED MAR 17 1993
 
THE NATIONAL WEATHER SERVICE IN BOISE ID HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL IDAHO
 
   ...JEROME COUNTY...LINCOLN COUNTY...TWIN FALLS COUNTY
 
AT 500 MST...PUBLIC REPORTS A TORNADO WAS ON THE GROUND 5 MILES SOUTH OF
KIMBERLY. MOVEMENT WAS TO THE NORTHEAST AT ABOUT 15 MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 17, 3:06 PM MST, 2 hours 4 minutes before
IDZ004-006-007-010-012-180600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
307 PM MST WED MAR 17 1993

...HEAVY SNOW WARNING FOR THE MOUNTAINS OF CENTRAL IDAHO AND
   THE HIGHLANDS OF EASTERN IDAHO CANCELLED...

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE HEAVY SNOW WARNING
FOR THE WEST CENTRAL MOUNTAINS...THE EAST CENTRAL MOUNTAINS...THE
SOUTHEAST HIGHLANDS AND THE UPPER SNAKE RIVER HIGHLANDS.

HEAVY SNOW IS NO LONGER EXPECTED TO ACCUMULATE IN THE ABOVE
MENTIONED AREAS. THE STORM SYSTEM WHICH CAUSED THE SNOW IS MOVING
EAST OF IDAHO. ALTHOUGH HEAVY SNOW ACCUMULATIONS ARE NO LONGER
EXPECTED...LOCAL MODERATE ACCUMULATIONS ARE STILL LIKELY AS
OCCASIONAL SNOW CONTINUES ABOVE 6000 FEET.

ANYONE VENTURING OUT SHOULD BE PREPARED FOR SNOW COVERED ROADS
IN THE ABOVE MENTIONED AREAS.  MOTORISTS SHOULD BE PREPARED FOR
HAZARDOUS DRIVING CONDITIONS AND ARE ADVISED TO CARRY EMERGENCY
SUPPLIES IN CASE THEY BECOME STRANDED.

LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR THE LATEST
INFORMATION CONCERNING THIS STORM SITUATION.

END...WSFO BOI/LW
Special weather statement, Mar 17, 3:41 PM MST, 1 hour 29 minutes before
IDZ001-005-006-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BOISE  IDAHO
345 PM MST WED MAR 17 1993

...THUNDERSHOWERS MOVING THROUGH MALHEUR COUNTY IN EASTERN OREGON AND
SOUTHWEST IDAHO...

THUNDERSHOWERS HAVE BEEN REPORTED IN MALHEUR COUNTY IN OREGON AND IN
SOUTHWEST IDAHO.  THESE THUNDERSHOWERS INCLUDE LOCALLY HEAVY RAIN...
CLOUD TO GROUND LIGHTNING AND SOME SMALL STREAM FLOODING LATE THIS
AFTERNOON.  REPORTS FROM MALHEUR COUNTY INDICATE THAT SOME SMALL
STREAMS ARE AT BANKFULL LEVELS.  THE THUNDERSHOWERS ARE EXPECTED
TO DECREASE LATER THIS EVENING.

PERSONS IN MALHEUR COUNTY AND SOUTHWEST IDAHO SHOULD BE ALERT TO THE
DANGERS OF CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY R*AIN THAT COULD
CAUSE RAPID RISES IN SMALL STREAMS AND CREEKS.

CONTINUE TO MONITOR NOAA WEATHER RADIO OR OTHER NEWS SOURCE FOR
THE LATEST INFORMATION.

END...WSFO BOISE/MLM

The office that day

Everything else NWS Boise, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 17, 5:10 PM MSTTornado WarningBOIJerome, Twin Falls35 min
Mar 17, 7:15 PM MSTTornado WarningBOITwin Falls40 min

Nearby

Tornado Warnings in Idaho, 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.