Alert archive / Montana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 8, NWS Missoula, MT

June 8, 2016Mineral County, Missoula County, Sanders County, Montana

NWS Missoula, MT issued this severe thunderstorm warning at Jun 8, 2016, 6:37 PM MDT for Mineral County, Missoula County, Sanders County, Montana. It was in force for 38 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
Jun 8, 2016, 6:37 PM MDT (00:37 UTC)
Expired
Jun 8, 2016, 7:15 PM MDT
In force
38 min
Issued by
NWS Missoula, MT
Area
Storm-based polygon

Counties Mineral County, MT, Missoula County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 76 km from the middle of the area, began a volume at 00:36 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 3:07 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 0.6 hours before the alert went out and 121 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 00:00Z on 2016-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2016-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2391 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WUUS55 KMSO 090037
SVRMSO
MTC061-063-089-090115-
/O.NEW.KMSO.SV.W.0008.160609T0037Z-160609T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
637 PM MDT WED JUN 8 2016

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL MINERAL COUNTY IN WEST CENTRAL MONTANA...
  NORTHWESTERN MISSOULA COUNTY IN WEST CENTRAL MONTANA...
  SOUTH CENTRAL SANDERS COUNTY IN NORTHWESTERN MONTANA...

* UNTIL 715 PM MDT

* AT 637 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED NEAR SUPERIOR...AND MOVING
  NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SUPERIOR...PLAINS...PARADISE...RIVERBEND AND KEYSTONE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4708 11501 4718 11520 4750 11490 4735 11460
TIME...MOT...LOC 0037Z 215DEG 35KT 4726 11497 

$$
2 follow-up statements
461 
WWUS55 KMSO 090056
SVSMSO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
656 PM MDT WED JUN 8 2016

MTC061-063-089-090115-
/O.CON.KMSO.SV.W.0008.000000T0000Z-160609T0115Z/
MINERAL MT-MISSOULA MT-SANDERS MT-
656 PM MDT WED JUN 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR NORTHERN MINERAL...NORTHWESTERN MISSOULA AND SOUTH CENTRAL
SANDERS COUNTIES...

AT 655 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED OVER PARADISE...OR 15 MILES NORTH OF
SUPERIOR...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
PLAINS AND PARADISE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4725 11475 4738 11501 4750 11490 4735 11460
TIME...MOT...LOC 0055Z 215DEG 35KT 4741 11481 

$$
706 
WWUS55 KMSO 090106
SVSMSO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
706 PM MDT WED JUN 8 2016

MTC061-063-089-090115-
/O.EXP.KMSO.SV.W.0008.000000T0000Z-160609T0115Z/
MINERAL MT-MISSOULA MT-SANDERS MT-
706 PM MDT WED JUN 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MINERAL...
NORTHWESTERN MISSOULA AND SOUTH CENTRAL SANDERS COUNTIES WILL EXPIRE
AT 715 PM MDT...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED
MOVED OUT OF THE AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.

LAT...LON 4725 11475 4738 11501 4750 11490 4735 11460
TIME...MOT...LOC 0100Z 215DEG 35KT 4741 11481 

$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 6:06 PM MDTSevere Thunderstorm WarningMSOFlathead24 min
Jun 8, 6:07 PM MDTSpecial Weather StatementMSO38 min
Jun 8, 6:11 PM MDTSpecial Weather StatementMSOLake64 min
Jun 8, 6:16 PM MDTSevere Thunderstorm WarningMSOFlathead29 min
Jun 8, 6:22 PM MDTSevere Thunderstorm WarningMSOLake, Sanders24 min
Jun 8, 6:26 PM MDTSpecial Weather StatementMSOMineral34 min
Jun 8, 6:31 PM MDTSpecial Weather StatementMSOFlathead29 min
Jun 8, 6:44 PM MDTSevere Thunderstorm WarningMSOLake28 min
Jun 8, 7:12 PM MDTSpecial Weather StatementMSOFlathead33 min
Jun 8, 8:41 PM MDTSpecial Weather StatementMSOGranite, Silver Bow64 min
Jun 8, 9:05 PM MDTSpecial Weather StatementMSORavalli40 min
Jun 8, 9:12 PM MDTSevere Thunderstorm WarningMSODeer Lodge, Granite, Powell, Silver Bow33 min
Jun 8, 9:39 PM MDTSpecial Weather StatementMSOMissoula66 min
Jun 8, 9:47 PM MDTSpecial Weather StatementMSOPowell43 min
Jun 9, 3:20 PM MDTSpecial Weather StatementMSODeer Lodge40 min

Nearby

Severe Thunderstorm Warnings in Montana, 2016Every severe thunderstorm warning in 2016

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.