Alert archive / Montana / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 46, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jul 10, 2004, 10:10 PM MDT for Rosebud County, Montana. It was in force for 65 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 10, 2004, 10:10 PM MDT (04:10 UTC)
- Expired
- Jul 10, 2004, 11:15 PM MDT
- In force
- 65 min
- Issued by
- NWS Billings, MT
- Area
- Counties, with a storm outline in the text
County Rosebud County, MT
The radar
The Billings radar (KBLX), 151 km from the middle of the area, began a volume at 04:11 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 10, 5:30 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 4.2 hours before the alert went out and 324 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.
- Mixed-layer CAPE
- 50 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 2812 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.6
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 Jul 10, 9:44 PM MDT, 26 minutes earlier.
Area forecast discussion, Jul 10, 9:44 PM MDT, 26 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BILLINGS MT 614 PM MDT SAT JUL 10 2004 MTZ030>033-036-037-058-120012- CARTER-CUSTER-FALLON-NORTHERN ROSEBUD-POWDER RIVER-SOUTHERN ROSEBUD- TREASURE- INCLUDING THE CITIES OF...BAKER...BROADUS...COLSTRIP...EKALAKA... FORSYTH...HYSHAM AND MILES CITY 614 PM MDT SAT JUL 10 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST MONTANA. .DAY ONE... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TREASURE AND ROSEBUD COUNTIES EASTWARD THROUGH MIDNIGHT. THE MAIN THREATS ARE DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL UP TO THE SIZE OF NICKELS. .DAY TWO THROUGH SEVEN... THE THREAT FOR SEVERE WEATHER WILL CONTINUE INTO MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ028-029-034-035-038>042-056-057-WYZ098-099-120012- EASTERN CARBON-GOLDEN VALLEY-MUSSELSHELL- NORTHEAST BIG HORN MOUNTAINS-NORTHERN BIG HORN-PARK- SHERIDAN FOOTHILLS-SOUTHERN BIG HORN-STILLWATER-SWEET GRASS- WESTERN CARBON-WHEATLAND-YELLOWSTONE- INCLUDING THE CITIES OF...BIG TIMBER...BILLINGS...COLUMBUS... HARDIN...HARLOWTON...LIVINGSTON...RED LODGE...ROUNDUP AND SHERIDAN 614 PM MDT SAT JUL 10 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE REMAINDER OF SOUTH CENTRAL MONTANA AND NORTH CENTRAL WYOMING. .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAY TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ARTHUR
In the hours before
Special weather statement, Jul 10, 5:35 PM MDT, 4 hours 35 minutes before
MTZ028-040>042-110015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BILLINGS MT 535 PM MDT SAT JUL 10 2004 ...SEVERE THUNDERSTORM WATCH NUMBER 597 FOR PARTS OF SOUTH CENTRAL MONTANA HAS BEEN CANCELLED... SEVERE THUNDERSTORM WATCH NUMBER 597 HAS BEEN CANCELLED FOR PARK... SWEETGRASS...WHEATLAND...AND GOLDEN VALLEY COUNTIES OF SOUTH CENTRAL MONTANA. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT THE AREA. THE THUNDERSTORMS...HOWEVER...ARE NO LONGER ANTICIPATED TO BECOME SEVERE. CHB
Local storm report, Jul 10, 7:04 PM MDT, 3 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
704 PM MDT SAT JUL 10 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0600 PM HAIL 5 S ISMAY 46.43N 104.79W
07/10/2004 0.75 INCH FALLON MT TRAINED SPOTTER
0630 PM HAIL 5 S ISMAY 46.43N 104.79W
07/10/2004 1.75 INCH FALLON MT TRAINED SPOTTER
&&
HOOLEYLocal storm report, Jul 10, 9:26 PM MDT, 44 minutes before
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</html>The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:00 PM MDT | Flash Flood Warning | BYZ | Custer, Fallon | 2 hr |
| Jul 10, 7:05 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 55 min |
| Jul 10, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 53 min |
| Jul 10, 7:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| Jul 10, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 64 min |
| Jul 11, 3:42 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 63 min |
| Jul 11, 4:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 55 min |
| Jul 11, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jul 11, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 53 min |
| Jul 11, 5:39 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 36 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2004Every severe thunderstorm warning in 2004
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.