Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 52, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jul 27, 2012, 3:14 PM MDT for Missoula County, Montana. It was in force for 46 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
- Jul 27, 2012, 3:14 PM MDT (21:14 UTC)
- Expired
- Jul 27, 2012, 4:00 PM MDT
- In force
- 46 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Missoula County, MT
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 3:20 PM MDT | HAIL 1 | 1 W Missoula, MT | |
| Jul 27, 3:25 PM MDT | HAIL 1 | W Missoula, 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, 9.2 hours before the alert went out and 207 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
- 8 J/kg
- Mixed-layer CIN
- -289 J/kg
- Mixed-layer LCL
- 2196 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
016 WUUS55 KMSO 272114 SVRMSO MTC063-272200- /O.NEW.KMSO.SV.W.0052.120727T2114Z-120727T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 314 PM MDT FRI JUL 27 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MISSOULA COUNTY IN WEST CENTRAL MONTANA... * UNTIL 400 PM MDT. * AT 306 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF MISSOULA...AND WAS MOVING NORTHEAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE...EAST MISSOULA...MISSOULA AND WEST RIVERSIDE BURN AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE HAIL IS LIKELY WITH THIS SEVERE THUNDERSTORM. DAMAGING WINDS ARE 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 4720 11366 4698 11350 4681 11412 4698 11424 TIME...MOT...LOC 2114Z 244DEG 19KT 4694 11404 $$ KITSMILLER
1 follow-up statement
075 WWUS55 KMSO 272151 SVSMSO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 351 PM MDT FRI JUL 27 2012 MTC063-272201- /O.EXP.KMSO.SV.W.0052.000000T0000Z-120727T2200Z/ MISSOULA MT- 351 PM MDT FRI JUL 27 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MISSOULA COUNTY EXPIRES AT 400 PM MDT... LAT...LON 4720 11366 4698 11350 4681 11412 4698 11424 TIME...MOT...LOC 2151Z 244DEG 19KT 4702 11378 $$ KITSMILLER
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 3:12 PM MDT | Special Weather Statement | MSO | Missoula | 48 min |
| Jul 27, 3:47 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 41 min |
| Jul 27, 3:53 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Powell, Silver Bow | 67 min |
| Jul 27, 3:54 PM MDT | Flash Flood Warning | MSO | Missoula | 73 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.