Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 21, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 23, 2012, 4:25 PM MDT for Lincoln County, Montana. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 23, 2012, 4:25 PM MDT (22:25 UTC)
- Expired
- Jun 23, 2012, 4:56 PM MDT
- In force
- 31 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Lincoln County, MT
The radar
The Spokane radar (KOTX), 197 km from the middle of the area, began a volume at 22:27 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 10.4 hours before the alert went out and 128 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
- 779 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
019 WUUS55 KMSO 232225 SVRMSO MTC053-232315- /O.NEW.KMSO.SV.W.0021.120623T2225Z-120623T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 425 PM MDT SAT JUN 23 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL LINCOLN COUNTY IN NORTHWEST MONTANA... * UNTIL 515 PM MDT. * AT 418 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER CENTRAL LINCOLN COUNTY...OR ABOUT NEAR LIBBY...AND WAS MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND HAIL...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 4883 11546 4872 11501 4835 11538 4842 11563 TIME...MOT...LOC 2225Z 203DEG 17KT 4847 11545 $$ KITSMILLER
2 follow-up statements
520 WWUS55 KMSO 232247 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 447 PM MDT SAT JUN 23 2012 MTC053-232315- /O.CON.KMSO.SV.W.0021.000000T0000Z-120623T2315Z/ LINCOLN MT- 447 PM MDT SAT JUN 23 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR CENTRAL LINCOLN COUNTY... * AT 442 PM MDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER. THIS STORM WAS LOCATED OVER CENTRAL LINCOLN COUNTY...OR ABOUT 13 MILES NORTHEAST OF LIBBY...AND WAS MOVING NORTHEAST AT 20 MPH. LAT...LON 4882 11545 4871 11503 4844 11530 4851 11557 TIME...MOT...LOC 2247Z 203DEG 17KT 4857 11539 $$ KITSMILLER
699 WWUS55 KMSO 232256 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 456 PM MDT SAT JUN 23 2012 MTC053-232306- /O.CAN.KMSO.SV.W.0021.000000T0000Z-120623T2315Z/ LINCOLN MT- 456 PM MDT SAT JUN 23 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LINCOLN COUNTY IS CANCELLED... LAT...LON 4882 11545 4871 11503 4844 11530 4851 11557 TIME...MOT...LOC 2256Z 203DEG 17KT 4861 11536 $$ KITSMILLER
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 2:43 PM MDT | Special Weather Statement | MSO | Granite | 47 min |
| Jun 23, 2:55 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 30 hr |
| Jun 23, 2:56 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 64 min |
| Jun 23, 3:56 PM MDT | Special Weather Statement | MSO | Lincoln | 49 min |
| Jun 23, 4:21 PM MDT | Special Weather Statement | MSO | 54 min | |
| Jun 23, 5:51 PM MDT | Special Weather Statement | MSO | Missoula | 39 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2012Every severe thunderstorm warning in 2012
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; radar from the NEXRAD Level II archive.