Alert archive / Montana / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 64, NWS Billings, MT

June 19, 2008Powder River County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 19, 2008, 3:21 PM MDT for Powder River County, Montana. It was in force for 34 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, 3:21 PM MDT (21:21 UTC)
Expired: Jun 19, 2008, 3:55 PM MDT
In force: 34 min
Issued by: NWS Billings, MT
Area: Storm-based polygon

County Powder River County, MT

The radar

The Billings radar (KBLX), 237 km from the middle of the area, began a volume at 21:25 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.

Issued	Product	Office	Lasted
Jun 19, 2:53 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 9.4 hours before the alert went out and 262 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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, 10 minutes earlier.

Area forecast discussion, Jun 19, 3:11 PM MDT, 10 minutes before

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Hazardous weather outlook, Jun 19, 4:18 AM MDT, 11 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
418 AM MDT THU JUN 19 2008

MTZ028>042-056>058-063>068-WYZ098-099-201030-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
418 AM MDT THU JUN 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

CURRENT FORECASTS FOR THE YELLOWSTONE RIVER AT LIVINGSTON
INDICATE THIS AREA WILL EXPERIENCE SOME MINOR FLOODING
TODAY...CONTINUING INTO NEXT WEEK. A FLOOD WARNING REMAINS IN
EFFECT FOR THE STRETCH OF THE YELLOWSTONE RIVER NEAR LIVINGSTON.

STAY TUNED FOR ADDITIONAL STATEMENTS AS THE SITUATION CONTINUES
TO EVOLVE. RESIDENTS OF LIVINGSTON AS WELL AS PERSONS WITH
INTERESTS ALONG THE YELLOWSTONE RIVER IN PARK AND SWEET GRASS
COUNTIES ARE ENCOURAGED TO CHECK OUT THE LATEST IN RIVER STAGES
AND FORECASTS ON THE INTERNET AT WWW.WEATHER.GOV/AHPS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WITH TEMPERATURES FORECAST AT OR ABOVE SEASONAL LEVELS THROUGH
EARLY NEXT WEEK...SNOW MELT IN THE MOUNTAINS WILL BE ON THE INCREASE
RESULTING IN RISING WATER LEVELS. SOME OF THE SMALLER STREAMS IN
THE FOOTHILLS HAVE ALREADY BEGUN TO RESPOND TO THE SNOWMELT. WITH
SNOW PACK IN THE MOUNTAINS REMAINING ABOVE NORMAL FOR THIS TIME OF
YEAR...RIVERS WILL CONTINUE TO BE CLOSELY MONITORED FOR POTENTIAL
FLOODING TOWARD THE END OF THIS WEEK AND INTO NEXT WEEK.

BASED ON FORECAST TEMPERATURES AND SNOW MELT THROUGH THE
WEEKEND...RISES ARE EXPECTED ON AREA RIVERS BUT NO FLOODING IS
ANTICIPATED AT THIS TIME...WITH THE EXCEPTION OF THE YELLOWSTONE
RIVER NEAR LIVINGSTON.

STAY TUNED FOR ADDITIONAL STATEMENTS AS THE SITUATION CONTINUES
TO EVOLVE. PERSONS WITH INTERESTS ALONG AREA RIVERS AND STREAMS
ARE ENCOURAGED TO CHECK OUT THE LATEST IN RIVER STAGES AND
FORECASTS FOR THEIR AREA ON THE INTERNET AT WWW.WEATHER.GOV/AHPS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 19, 9:52 AM MDT, 5 hours 29 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BILLINGS MT
952 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

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, 11:56 AM MDT, 3 hours 25 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, 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:49 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Carbon	56 min
Jun 18, 8:02 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Yellowstone	58 min
Jun 18, 8:42 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	78 min
Jun 18, 8:53 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Treasure, Yellowstone	67 min
Jun 18, 9:58 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	62 min
Jun 19, 11:58 AM MDT	River Flood Watch	BYZ	Carbon	4 days
Jun 19, 11:58 AM MDT	River Flood Watch	BYZ	Sweet Grass	4 days
Jun 19, 11:58 AM MDT	River Flood Watch	BYZ	Carbon, Stillwater	6 days
Jun 19, 2:25 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River, Rosebud	51 min
Jun 19, 2:53 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	82 min
Jun 19, 3:59 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	61 min
Jun 19, 4:15 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	60 min
Jun 18, 10:48 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	42 min
Jun 18, 11:02 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	40 min
Jun 18, 11:37 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	53 min
Jun 19, 12:30 AM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	30 min

Nearby

Severe Thunderstorm Warnings in Montana, 2008 Every 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.