Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 38, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jul 14, 2012, 7:28 PM MDT for Mineral 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 as issued.
The facts
- Issued
- Jul 14, 2012, 7:28 PM MDT (01:28 UTC)
- Expired
- Jul 14, 2012, 8:00 PM MDT
- In force
- 32 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
County Mineral County, MT
The radar
The Missoula radar (KMSX), 61 km from the middle of the area, began a volume at 01:30 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 00:00Z, 1.5 hours before the alert went out and 137 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
- 155 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1941 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
836
WUUS55 KMSO 150128
SVRMSO
MTC061-150200-
/O.NEW.KMSO.SV.W.0038.120715T0128Z-120715T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
728 PM MDT SAT JUL 14 2012
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MINERAL COUNTY IN WEST CENTRAL MONTANA...
* UNTIL 800 PM MDT.
* AT 722 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER. THIS STORM
WAS LOCATED 6 MILES NORTHWEST OF TARKIO...OR ABOUT 10 MILES SOUTH
OF SUPERIOR...AND WAS MOVING EAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...LOZEAU...QUARTZ AND TARKIO.
INTERSTATE 90 BETWEEN MILE MARKERS 50 AND 70.
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SATURDAY EVENING FOR NORTHEASTERN IDAHO.
&&
LAT...LON 4716 11493 4723 11476 4723 11471 4717 11470
4717 11466 4694 11457 4698 11498
TIME...MOT...LOC 0127Z 281DEG 15KT 4705 11481
$$
LOEFFELBEIN1 follow-up statement
983
WWUS55 KMSO 150151
SVSMSO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
751 PM MDT SAT JUL 14 2012
MTC061-150200-
/O.CON.KMSO.SV.W.0038.000000T0000Z-120715T0200Z/
MINERAL MT-
751 PM MDT SAT JUL 14 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM MDT
FOR EASTERN MINERAL COUNTY...
* AT 746 PM MDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER.
THIS STORM WAS LOCATED NEAR TARKIO...OR ABOUT 14 MILES SOUTHEAST OF
SUPERIOR...AND WAS MOVING EAST AT 15 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SATURDAY EVENING FOR NORTHEASTERN IDAHO.
&&
LAT...LON 4716 11493 4723 11476 4723 11471 4717 11470
4717 11466 4694 11457 4698 11498
TIME...MOT...LOC 0151Z 281DEG 15KT 4703 11467
$$
LOEFFELBEINThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 8:01 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula | 11 min |
| Jul 14, 8:49 PM MDT | Special Weather Statement | MSO | Missoula | 41 min |
| Jul 15, 12:09 PM MDT | Areal Flood Advisory | MSO | Lake, Missoula | 3 hr |
| Jul 15, 12:33 PM MDT | Flash Flood Warning | MSO | Lake | 117 min |
| Jul 15, 12:35 PM MDT | Special Weather Statement | MSO | Lake | 25 min |
| Jul 15, 12:52 PM MDT | Areal Flood Advisory | MSO | Granite | 113 min |
| Jul 15, 1:49 PM MDT | Areal Flood Warning | MSO | Lake, Missoula, Sanders | 4 hr |
| Jul 15, 2:28 PM MDT | Flash Flood Warning | MSO | Lake | 53 min |
| Jul 15, 3:01 PM MDT | Special Weather Statement | MSO | Missoula | 29 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.