Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 29, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 26, 2012, 6:38 AM MDT for Flathead County, Lincoln County, Sanders County, Montana. It was in force for 52 min. 2 reports 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, 6:38 AM MDT (12:38 UTC)
- Expired
- Jun 26, 2012, 7:30 AM MDT
- In force
- 52 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
Counties Flathead County, MT, Lincoln County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 140 km from the middle of the area, began a volume at 12:41 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, 6:50 AM MDT | HAIL 0.75 | 5 Ssw Marion, MT | VERY LITTLE RAIN, ALL HAIL COVERING THE GROUND ABOUT ONE INCH DEEP |
| Jun 26, 6:55 AM MDT | HAIL 1 | 1 Ese Marion, MT |
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, 0.6 hours before the alert went out and 124 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.
392 WUUS55 KMSO 261238 SVRMSO MTC029-053-089-261330- /O.NEW.KMSO.SV.W.0029.120626T1238Z-120626T1330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 638 AM MDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL SANDERS COUNTY IN NORTHWEST MONTANA... SOUTHEASTERN LINCOLN COUNTY IN NORTHWEST MONTANA... WESTERN FLATHEAD COUNTY IN NORTHWEST MONTANA... * UNTIL 730 AM MDT. * AT 630 AM 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 9 MILES SOUTHEAST OF BEND...OR ABOUT 25 MILES NORTHEAST OF THOMPSON FALLS...AND WAS MOVING NORTH AT 40 MPH. * LOCATIONS IMPACTED INCLUDE...BEND AND MARION. 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 4845 11510 4835 11435 4772 11474 4779 11508 TIME...MOT...LOC 1238Z 191DEG 33KT 4789 11489 $$ KITSMILLER
2 follow-up statements
958 WWUS55 KMSO 261302 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 702 AM MDT TUE JUN 26 2012 MTC029-053-089-261330- /O.CON.KMSO.SV.W.0029.000000T0000Z-120626T1330Z/ LINCOLN MT-SANDERS MT-FLATHEAD MT- 702 AM MDT TUE JUN 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM MDT FOR WESTERN FLATHEAD...NORTHERN SANDERS AND SOUTHEASTERN LINCOLN COUNTIES... * AT 654 AM MDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING ONE INCH HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF MARION...OR ABOUT 27 MILES SOUTHWEST OF KALISPELL... AND WAS MOVING NORTH AT 40 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... HAIL UP TO ONE INCHES IN DIAMETER HAS BEEN REPORTED IN MARION WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. && LAT...LON 4792 11462 4799 11509 4845 11510 4835 11435 TIME...MOT...LOC 1302Z 191DEG 33KT 4811 11483 $$ KITSMILLER
696 WWUS55 KMSO 261327 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 727 AM MDT TUE JUN 26 2012 MTC029-053-089-261337- /O.EXP.KMSO.SV.W.0029.000000T0000Z-120626T1330Z/ LINCOLN MT-SANDERS MT-FLATHEAD MT- 727 AM MDT TUE JUN 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN FLATHEAD...NORTHERN SANDERS AND SOUTHEASTERN LINCOLN COUNTIES EXPIRES AT 730 AM MDT... LAT...LON 4792 11462 4799 11509 4845 11510 4835 11435 TIME...MOT...LOC 1327Z 191DEG 33KT 4833 11476 $$ KITSMILLER
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, 6:00 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 30 min |
| Jun 26, 6:25 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 35 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.