Alert archive / Montana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 9, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jul 22, 2000, 5:58 PM MDT for Lake County, Sanders County, Montana. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 22, 2000, 5:58 PM MDT (23:58 UTC)
- Expired
- Jul 22, 2000, 6:30 PM MDT
- In force
- 32 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Lake County, MT, Sanders County, MT
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 12.0 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
- 23 J/kg
- Mixed-layer CIN
- -579 J/kg
- Mixed-layer LCL
- 3303 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KMSO 222358 SVRMSO MTC047-089-230030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 558 PM MDT SAT JUL 22 2000 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LAKE COUNTY IN NORTHWEST MONTANA EXTREME EASTERN SANDERS COUNTY IN NORTHWEST MONTANA * UNTIL 630 PM MDT * AT 558 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF RAVALLI...OR 24 MILES NORTHWEST OF MISSOULA...MOVING NORTH AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE... 3 MILES EAST OF DIXON...4 MILES WEST OF RAVALLI AT 610 PM MDT 6 MILES WEST OF RONAN AT 635 PM MDT 5 MILES WEST OF PABLO AT 645 PM MDT 2 MILES WEST OF POLSON AT 655 PM MDT 5 MILES SOUTHEAST OF BIG ARM AT 700 PM MDT DAMAGING WINDS IN EXCESS OF 55 MPH ARE LIKELY WITH THIS SEVERE THUNDERSTORM. LARGE HAIL IS POSSIBLE ALONG WITH FREQUENT LIGHTNING AND HEAVY RAIN. FOR YOUR PROTECTION...GO INDOORS AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...MOVE TO A WELL PROTECTED AREA. LAT...LON 4721 11442 4714 11417 4786 11398 4788 11439 BELTZ
Nearby
Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000
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.