Alert archive / Montana / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 65, NWS Billings, MT

June 19, 2008Custer County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 19, 2008, 3:59 PM MDT for Custer County, Montana. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 19, 2008, 3:59 PM MDT (21:59 UTC)
Expired
Jun 19, 2008, 5:00 PM MDT
In force
61 min
Issued by
NWS Billings, MT
Area
Storm-based polygon

County Custer County, MT

The radar

The Glasgow radar (KGGW), 231 km from the middle of the area, began a volume at 22:01 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

Rapid City, SD (KUNR), launched 12:00Z, 10.0 hours before the alert went out and 322 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, Rapid City, SD at 12:00Z on 2008-06-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2008-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.193958Sfc1 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
1425 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 3:11 PM MDT, 48 minutes earlier.

Area forecast discussion, Jun 19, 3:11 PM MDT, 48 minutes before
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Hazardous weather outlook, Jun 19, 3:23 PM MDT, 36 minutes before
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In the hours before

Local storm report, Jun 19, 11:56 AM MDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BILLINGS MT
1156 AM MDT THU JUN 19 2008

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

0411 PM     HAIL             SONNETTE                45.42N 105.85W
06/18/2008  E0.75 INCH       POWDER RIVER       MT   CO-OP OBSERVER

0515 PM     HAIL             8 W BIDDLE              45.10N 105.51W
06/18/2008  E1.75 INCH       POWDER RIVER       MT   PUBLIC

            PICKUPS DENTED

0525 PM     HAIL             6 S BIDDLE              45.01N 105.35W
06/18/2008  M1.75 INCH       POWDER RIVER       MT   TRAINED SPOTTER

            LEAVES STRIPPED OFF THE TREES

0845 PM     HAIL             9 S ST. XAVIER          45.34N 107.72W
06/18/2008  M0.75 INCH       BIG HORN           MT   TRAINED SPOTTER

            HAIL UP TO 2 INCHES DEEP ON THE GROUND

0900 PM     HAIL             KIRBY                   45.30N 106.98W
06/18/2008  E1.75 INCH       BIG HORN           MT   PUBLIC

            ROOF AND CROP DAMAGE REPORTED.

0910 PM     HAIL             17 N HARDIN             45.98N 107.61W
06/18/2008  E0.88 INCH       BIG HORN           MT   TRAINED SPOTTER

0925 PM     TSTM WND GST     CROW AGENCY             45.60N 107.46W
06/18/2008  E75.00 MPH       BIG HORN           MT   PUBLIC

            3 INCH DIAMETER TREE BRANCHES DOWN

1020 PM     TSTM WND GST     11 NNW DAYTON           45.03N 107.32W
06/18/2008  M64.00 MPH       BIG HORN           MT   DEPT OF HIGHWAYS

1030 PM     HAIL             6 N DECKER              45.09N 106.80W
06/18/2008  E1.00 INCH       BIG HORN           MT   TRAINED SPOTTER

1112 PM     HAIL             RANCHESTER              44.91N 107.16W
06/18/2008  E1.75 INCH       SHERIDAN           WY   TRAINED SPOTTER

&&

BRS
Local storm report, Jun 19, 2:58 PM MDT, 1 hour 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:49 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon56 min
Jun 18, 8:02 PM MDTSevere Thunderstorm WarningBYZBig Horn, Yellowstone58 min
Jun 18, 8:42 PM MDTSevere Thunderstorm WarningBYZBig Horn78 min
Jun 18, 8:53 PM MDTSevere Thunderstorm WarningBYZBig Horn, Treasure, Yellowstone67 min
Jun 18, 9:58 PM MDTSevere Thunderstorm WarningBYZBig Horn, Rosebud62 min
Jun 19, 11:58 AM MDTRiver Flood WatchBYZCarbon4 days
Jun 19, 11:58 AM MDTRiver Flood WatchBYZSweet Grass4 days
Jun 19, 11:58 AM MDTRiver Flood WatchBYZCarbon, Stillwater6 days
Jun 19, 2:25 PM MDTSevere Thunderstorm WarningBYZPowder River, Rosebud51 min
Jun 19, 2:53 PM MDTSevere Thunderstorm WarningBYZPowder River82 min
Jun 19, 3:21 PM MDTSevere Thunderstorm WarningBYZPowder River34 min
Jun 19, 4:15 PM MDTSevere Thunderstorm WarningBYZPowder River60 min
Jun 18, 10:48 PM MDTSevere Thunderstorm WarningBYZSheridan42 min
Jun 18, 11:02 PM MDTSevere Thunderstorm WarningBYZSheridan40 min
Jun 18, 11:37 PM MDTSevere Thunderstorm WarningBYZSheridan53 min
Jun 19, 12:30 AM MDTSevere Thunderstorm WarningBYZSheridan30 min

Nearby

Severe Thunderstorm Warnings in Montana, 2008Every severe thunderstorm warning in 2008

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.