Alert archive / Montana / Tornado Warnings in 2010

Tornado Warning 30, NWS Billings, MT

July 1, 2010Golden Valley County, Sweet Grass County, Montana

NWS Billings, MT issued this tornado warning at Jul 1, 2010, 4:31 PM MDT for Golden Valley County, Sweet Grass County, Montana. It was in force for 29 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: Jul 1, 2010, 4:31 PM MDT (22:31 UTC)
Expired: Jul 1, 2010, 5:00 PM MDT
In force: 29 min
Issued by: NWS Billings, MT
Area: Storm-based polygon

Counties Golden Valley County, MT, Sweet Grass County, MT

The radar

The Billings radar (KBLX), 78 km from the middle of the area, began a volume at 22:35 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
Jul 1, 1:37 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jul 1, 3:36 PM MDT, 55 minutes earlier.

Area forecast discussion, Jul 1, 3:36 PM MDT, 55 minutes before

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Hazardous weather outlook, Jul 1, 1:59 PM MDT, 2 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
159 PM MDT THU JUL 1 2010

MTZ028>042-056>058-063>068-WYZ098-099-022000-
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-
159 PM MDT THU JUL 1 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE FORECAST AREA
THIS AFTERNOON THROUGH THIS EVENING. SOME OF THESE STORMS COULD
BECOME SEVERE. LARGE HAIL WILL BE THE PRIMARY THREAT THROUGH THIS
EVENING. STORMS WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY RAIN
AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF THE FORECAST AREA
FRIDAY AFTERNOON AND EVENING. SOME OF THESE STORMS COULD BECOME
SEVERE. LARGE HAIL AND STRONG WINDS WILL BE THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Jul 1, 3:28 PM MDT, 1 hour 3 minutes before

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Local storm report, Jul 1, 3:31 PM MDT, 1 hour before

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Local storm report, Jul 1, 3:34 PM MDT, 57 minutes before

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Local storm report, Jul 1, 4:12 PM MDT, 19 minutes before

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Local storm report, Jul 1, 4:25 PM MDT, 6 minutes before

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Local storm report, Jul 1, 4:28 PM MDT, 3 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 30, 6:13 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	62 min
Jun 30, 6:20 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell, Stillwater, Wheatland	55 min
Jun 30, 6:58 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	62 min
Jun 30, 7:13 PM MDT	Special Weather Statement	BYZ	Custer, Fallon, Powder River	62 min
Jun 30, 7:16 PM MDT	Special Weather Statement	BYZ	Musselshell	59 min
Jun 30, 7:33 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Custer, Fallon, Powder River	57 min
Jun 30, 7:36 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Fallon	26 min
Jun 30, 8:49 PM MDT	Special Weather Statement	BYZ	Fallon	56 min
Jun 30, 9:44 PM MDT	Special Weather Statement	BYZ	Carter	61 min
Jul 1, 10:27 AM MDT	Special Weather Statement	BYZ	Park	63 min
Jul 1, 10:40 AM MDT	Severe Thunderstorm Warning	BYZ	Park, Sweet Grass	49 min
Jul 1, 2:00 PM MDT	Special Weather Statement	BYZ	Sweet Grass	60 min
Jul 1, 2:20 PM MDT	Severe Thunderstorm Warning	BYZ	Park, Sweet Grass	55 min
Jul 1, 3:07 PM MDT	Special Weather Statement	BYZ	Yellowstone	53 min
Jul 1, 3:15 PM MDT	Severe Thunderstorm Warning	BYZ	Park, Sweet Grass	60 min
Jul 1, 4:01 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Wheatland	35 min
Jul 1, 4:13 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Stillwater, Sweet Grass	62 min
Jul 1, 5:06 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Stillwater	39 min
Jul 1, 5:41 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell, Stillwater, Yellowstone	64 min

Nearby

Tornado Warnings in Montana, 2010 Every tornado warning in 2010 Tornadoes in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.