Alert archive / Montana / Tornado Warnings in 1986
Tornado Warning 3, NWS Billings, MT
NWS Billings, MT issued this tornado warning at Sep 4, 1986, 7:09 PM MDT for Golden Valley County, Montana. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Sep 4, 1986, 7:09 PM MDT (01:09 UTC)
- Expired
- Sep 4, 1986, 7:45 PM MDT
- In force
- 36 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Golden Valley County, MT
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
Great_falls, MT (KTFX), launched 00:00Z, 1.2 hours before the alert went out and 162 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3555 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIL 050110 TORBIL MTC037-050130- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BILLINGS MT 709 PM MDT THU SEP 4 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF MONTANA...GOLDEN VALLEY AT 700 PM MDT A FUNNEL CLOUD WAS SIGHTED 6 MILES NORTHEAST OF SHAWMUT MONTANA...ON THE WHEATLAND/GOLDEN VALLEY COUNTY LINE. RADAR SHOWS A VERY HEAVY THUNDERSTORM IN THIS AREA...MOVING TO THE SOUTHEAST AT AROUND 25 MILES AN HOUR. IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. WHEN IT IS SAFE PLEASE ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE NgEAREST NATIONAL WEATHER SERVICE OFFICE, OR CALL THE NATIONAL WEATHER SERVICE AT BILLINGS MONTANA. 406-657-6988 NOLL
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:56 PM MDT | Tornado Warning | BYZ | Golden Valley, Yellowstone | 34 min |
Nearby
Tornado Warnings in Montana, 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.