Alert archive / Montana / Special Weather Statements in 2022

Special Weather Statement, NWS Missoula, MT

June 18, 2022Missoula County, Montana

NWS Missoula, MT issued this special weather statement at Jun 18, 2022, 2:12 PM MDT for Missoula County, Montana. It was in force for 48 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 18, 2022, 2:12 PM MDT (20:12 UTC)
Expired
Jun 18, 2022, 3:00 PM MDT
In force
48 min
Issued by
NWS Missoula, MT
Hail
0.88 in
Wind
30

County Missoula County, MT

The radar

The Missoula radar (KMSX), 31 km from the middle of the area, began a volume at 20:14 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 12:00Z, 8.2 hours before the alert went out and 226 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 12:00Z on 2022-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2022-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this special weather statement went out at Jun 18, 2:05 PM MDT, 7 minutes earlier.

Area forecast discussion, Jun 18, 2:05 PM MDT, 7 minutes before
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In the hours before

Local storm report, Jun 18, 1:04 PM MDT, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
104 PM MDT SAT JUN 18 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0103 PM     HAIL             2 NNE MISSOULA          46.90N 113.97W
06/18/2022  E0.75 INCH       MISSOULA           MT   TRAINED SPOTTER

            THREE TO FOUR MINUTES OF PURE HAIL WITH
            LITTLE TO NO WIND.

&&

BEC
Local storm report, Jun 18, 1:07 PM MDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
107 PM MDT SAT JUN 18 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0107 PM     HAIL             3 NNE MISSOULA          46.91N 113.97W
06/18/2022  E1.00 INCH       MISSOULA           MT   TRAINED SPOTTER

            SPOTTER CALLED BACK AFTER FINDING HAIL OF 1
            INCH.

&&

BEC
Local storm report, Jun 18, 1:22 PM MDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
122 PM MDT SAT JUN 18 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0121 PM     HAIL             2 WNW STEVENSVILLE      46.52N 114.13W
06/18/2022  E0.88 INCH       RAVALLI            MT   TRAINED SPOTTER

            WINDS 20-30 MPH AND VERY HEAVY RAIN.

&&
Local storm report, Jun 18, 1:27 PM MDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
127 PM MDT SAT JUN 18 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0127 PM     HAIL             2 WNW STEVENSVILLE      46.52N 114.13W
06/18/2022  E1.00 INCH       RAVALLI            MT   PUBLIC

&&

BEC
Local storm report, Jun 18, 1:28 PM MDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
128 PM MDT SAT JUN 18 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0128 PM     HAIL             3 NNE STEVENSVILLE      46.56N 114.06W
06/18/2022  E1.00 INCH       RAVALLI            MT   NWS EMPLOYEE

&&

BEC
Special weather statement, Jun 18, 2:12 PM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 6:14 PM MDTSpecial Weather StatementMSOFlathead16 min
Jun 17, 6:27 PM MDTSpecial Weather StatementMSOFlathead18 min
Jun 17, 6:48 PM MDTSpecial Weather StatementMSOLincoln27 min
Jun 17, 8:20 PM MDTSpecial Weather StatementMSOFlathead10 min
Jun 17, 8:38 PM MDTSpecial Weather StatementMSOFlathead7 min
Jun 18, 12:22 AM MDTSpecial Weather StatementMSOFlathead23 min
Jun 18, 3:47 AM MDTWind AdvisoryMSODeer Lodge, Granite, Powell, Silver Bow17 hr
Jun 18, 4:49 AM MDTSpecial Weather StatementMSOLake41 min
Jun 18, 12:24 PM MDTSpecial Weather StatementMSORavalli51 min
Jun 18, 12:44 PM MDTSpecial Weather StatementMSOPowell46 min
Jun 18, 12:49 PM MDTSpecial Weather StatementMSOMissoula41 min
Jun 18, 1:13 PM MDTSevere Thunderstorm WarningMSOMissoula, Ravalli32 min
Jun 18, 1:15 PM MDTSevere Thunderstorm WarningMSOLake, Missoula45 min
Jun 18, 1:20 PM MDTSevere Thunderstorm WarningMSOPowell25 min
Jun 18, 1:34 PM MDTSevere Thunderstorm WarningMSOMissoula41 min

Nearby

Special Weather Statements in Montana, 2022Every special weather statement in 2022

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.