Alert archive / Montana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 21, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jun 7, 1999, 8:49 PM MDT for Golden Valley County, Musselshell County, Montana. It was in force for 56 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 7, 1999, 8:49 PM MDT (02:49 UTC)
- Expired
- Jun 7, 1999, 9:45 PM MDT
- In force
- 56 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
The radar
The Billings radar (KBLX), 67 km from the middle of the area, began a volume at 02:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 7, 8:58 PM MDT | Hail 0.75 | Lavina, MT | Spotter report of dime size hail. |
| Jun 7, 8:58 PM MDT | Hail 0.88 | Roundup, MT | Several spotters reported nickel to dime size hail in southern Musselshell County. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIL 080249 RRA SVRBIL MTC037-065-080355- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BILLINGS MT 849 PM MDT MON JUN 7 1999 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN GOLDEN VALLEY COUNTY IN CENTRAL MONTANA SOUTHWESTERN MUSSELSHELL COUNTY IN CENTRAL MONTANA * UNTIL 945 PM MDT * AT 840 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF ROUNDUP... MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... REMAIN OVER RURAL AREAS DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDO WS! MHS/VTM
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:22 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 38 min |
| Jun 7, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 44 min |
| Jun 7, 9:49 PM MDT | Tornado Warning | BYZ | Musselshell | 46 min |
| Jun 8, 3:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 47 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.