Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 27, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 26, 2012, 6:00 AM MDT for Flathead County, Lake County, Montana. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 26, 2012, 6:00 AM MDT (12:00 UTC)
- Expired
- Jun 26, 2012, 6:30 AM MDT
- In force
- 30 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
Counties Flathead County, MT, Lake County, MT
The radar
The Missoula radar (KMSX), 140 km from the middle of the area, began a volume at 12:02 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 26, 6:15 AM MDT | HAIL 1 | 4 Sse Creston, MT | HAIL WAS ONE TO TWO INCHES DEEP AND THE LARGEST STONES WERE ONE INCH IN DIAMETER |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 0.0 hours before the alert went out and 179 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
- 29 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
207 WUUS55 KMSO 261200 SVRMSO MTC029-047-261230- /O.NEW.KMSO.SV.W.0027.120626T1200Z-120626T1230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 600 AM MDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL FLATHEAD COUNTY IN NORTHWEST MONTANA... NORTHERN LAKE COUNTY IN NORTHWEST MONTANA... * UNTIL 630 AM MDT. * AT 555 AM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BIGFORK...OR ABOUT 13 MILES SOUTHEAST OF KALISPELL...AND WAS MOVING NORTH AT 40 MPH. * LOCATIONS IMPACTED INCLUDE...BIGFORK...COLUMBIA FALLS...CORAM... CRESTON...EVERGREEN...HUNGRY HORSE...KALISPELL...LA SALLE... LAKESIDE...MARTIN CITY...SOMERS AND WOODS BAY. 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 4851 11434 4849 11384 4798 11403 4799 11430 TIME...MOT...LOC 1200Z 184DEG 34KT 4808 11415 $$
1 follow-up statement
053 WWUS55 KMSO 261226 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 626 AM MDT TUE JUN 26 2012 MTC029-047-261236- /O.EXP.KMSO.SV.W.0027.000000T0000Z-120626T1230Z/ LAKE MT-FLATHEAD MT- 626 AM MDT TUE JUN 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FLATHEAD AND NORTHERN LAKE COUNTIES EXPIRES AT 630 AM MDT... LAT...LON 4851 11434 4849 11384 4798 11403 4799 11430 TIME...MOT...LOC 1226Z 184DEG 34KT 4832 11412 $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 2:16 AM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Jun 26, 2:35 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 21 hr |
| Jun 26, 2:54 AM MDT | Special Weather Statement | MSO | Flathead | 36 min |
| Jun 26, 3:59 AM MDT | Special Weather Statement | MSO | Flathead | 31 min |
| Jun 26, 4:24 AM MDT | Special Weather Statement | MSO | Flathead | 36 min |
| Jun 26, 5:02 AM MDT | Special Weather Statement | MSO | Sanders | 28 min |
| Jun 26, 5:15 AM MDT | Special Weather Statement | MSO | Flathead | 30 min |
| Jun 26, 5:41 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 34 min |
| Jun 26, 6:25 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 35 min |
| Jun 26, 6:38 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lincoln, Sanders | 52 min |
| Jun 26, 6:53 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 37 min |
| Jun 26, 8:50 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| Jun 26, 10:07 AM MDT | Areal Flood Advisory | MSO | Lake | 9 hr |
| Jun 26, 10:08 AM MDT | Special Weather Statement | MSO | Flathead, Lake | 52 min |
| Jun 26, 10:11 AM MDT | Special Weather Statement | MSO | Granite, Missoula | 49 min |
| Jun 26, 10:25 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Missoula | 50 min |
| Jun 26, 11:09 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Missoula, Powell | 35 min |
| Jun 26, 11:11 AM MDT | Flash Flood Warning | MSO | Flathead | 3 hr |
| Jun 26, 1:16 PM MDT | Areal Flood Warning | MSO | Flathead | 24 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.