Alert archive / Montana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jul 14, 2012, 8:01 PM MDT for Mineral County, Missoula County, Montana. It was in force for 11 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, 8:01 PM MDT (02:01 UTC)
- Expired
- Jul 14, 2012, 8:12 PM MDT
- In force
- 11 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
Counties Mineral County, MT, Missoula County, MT
The radar
The Missoula radar (KMSX), 36 km from the middle of the area, began a volume at 02:02 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 2.0 hours before the alert went out and 160 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.
725
WUUS55 KMSO 150201
SVRMSO
MTC061-063-150230-
/O.NEW.KMSO.SV.W.0039.120715T0201Z-120715T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
801 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... NORTHWESTERN
MISSOULA COUNTY IN WEST CENTRAL MONTANA...
* UNTIL 830 PM MDT.
* AT 754 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER. THIS STORM
WAS LOCATED NEAR STARK...OR ABOUT 17 MILES SOUTHEAST OF SUPERIOR...
AND WAS MOVING NORTHEAST AT 10 MPH.
* LOCATIONS IMPACTED INCLUDE...CYR...LOZEAU AND STARK.
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 4725 11454 4718 11435 4716 11436 4712 11426
4713 11423 4712 11424 4695 11462 4710 11483
TIME...MOT...LOC 0201Z 234DEG 9KT 4711 11454
$$
LOEFFELBEIN1 follow-up statement
987
WWUS55 KMSO 150212
SVSMSO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
812 PM MDT SAT JUL 14 2012
MTC061-063-150222-
/O.CAN.KMSO.SV.W.0039.000000T0000Z-120715T0230Z/
MINERAL MT-MISSOULA MT-
812 PM MDT SAT JUL 14 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH WESTERN MISSOULA AND
EASTER MINERAL COUNTIES IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
SATURDAY EVENING FOR NORTHEASTERN IDAHO.
LAT...LON 4725 11454 4718 11435 4716 11436 4712 11426
4713 11423 4712 11424 4695 11462 4710 11483
TIME...MOT...LOC 0212Z 234DEG 9KT 4713 11451
$$
LOEFFELBEINThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:28 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 32 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.