Alert archive / Idaho / Tornado Warnings in 1986

Tornado Warning 5, NWS Boise, ID

August 29, 1986Blaine County, Camas County, Idaho

NWS Boise, ID issued this tornado warning at Aug 29, 1986, 2:40 PM MDT for Blaine County, Camas County, Idaho. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Aug 29, 1986, 2:40 PM MDT (20:40 UTC)
Expired
Aug 29, 1986, 3:30 PM MDT
In force
50 min
Issued by
NWS Boise, ID
Area
Whole counties

Counties Blaine County, ID, Camas County, ID

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Boise Airport, ID (KBOI), launched 12:00Z, 8.7 hours before the alert went out and 146 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 12:00Z on 1986-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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, Boise Airport, ID at 12:00Z on 1986-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939Sfc1 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
52 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
2167 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
158 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 1:50 PM MDTTornado WarningBOICamas, Elmore40 min

Nearby

Tornado Warnings in Idaho, 1986Every tornado warning in 1986Tornadoes in 1986

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.