Alert archive / Montana / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 66, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Aug 2, 2004, 11:54 PM MDT for Carter County, Montana. It was in force for 51 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
- Aug 2, 2004, 11:54 PM MDT (05:54 UTC)
- Expired
- Aug 3, 2004, 12:45 AM MDT
- In force
- 51 min
- Issued by
- NWS Billings, MT
- Area
- Counties, with a storm outline in the text
County Carter County, MT
The radar
The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 05:56 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 00:00Z, 5.9 hours before the alert went out and 207 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
- 603 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 2685 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
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 Aug 2, 8:56 PM MDT, 2 hours 58 minutes earlier.
Area forecast discussion, Aug 2, 8:56 PM MDT, 2 hours 58 minutes before
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</html>Hazardous weather outlook, Aug 2, 2:35 PM MDT, 9 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BILLINGS MT 235 PM MDT MON AUG 2 2004 MTZ028>030-034-035-038>042-056>058-WYZ098-099-031455- EASTERN CARBON-GOLDEN VALLEY-MUSSELSHELL- NORTHEAST BIG HORN MOUNTAINS-NORTHERN BIG HORN-PARK- SHERIDAN FOOTHILLS-SOUTHERN BIG HORN-SOUTHERN ROSEBUD-STILLWATER- SWEET GRASS-TREASURE-WESTERN CARBON-WHEATLAND-YELLOWSTONE- INCLUDING THE CITIES OF...BIG TIMBER...BILLINGS...COLUMBUS... HARDIN...HARLOWTON...HYSHAM...LIVINGSTON...RED LODGE... ROUNDUP AND SHERIDAN 235 PM MDT MON AUG 2 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF SOUTH CENTRAL MONTANA...AND NORTH CENTRAL WYOMING. .DAY ONE... SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE AREA MONDAY EVENING. THE STORMS WILL BE SLOWLY MOVING AND AS A RESULT BRING LOCALLY HEAVY RAIN. A FEW STORMS MAY BECOME STRONG ENOUGH TO PRODUCE SMALL HAIL. .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. MTZ031>033-036-037-031455- CARTER-CUSTER-FALLON-NORTHERN ROSEBUD-POWDER RIVER- INCLUDING THE CITIES OF...BAKER...BROADUS...COLSTRIP...EKALAKA... FORSYTH AND MILES CITY 235 PM MDT MON AUG 2 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF SOUTHEAST MONTANA. .DAY ONE... ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE AREA MONDAY EVENING. MOST OF THE STORMS WILL JUST PRODUCE HEAVY RAIN AND DANGEROUS LIGHTNING...HOWEVER A FEW STORMS MAY BECOME STRONG ENOUGH TO PRODUCE HAIL. .DAY TWO THROUGH SEVEN... SCATTERED STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP TUESDAY AFTERNOON AND EVENING. SOME OF THE STORMS WILL LIKELY PRODUCE SEVERE SIZED HAIL AND GUSTY WINDS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 28 min |
| Aug 3, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 68 min |
| Aug 3, 4:06 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 54 min |
| Aug 3, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 61 min |
| Aug 3, 5:33 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Aug 3, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 49 min |
| Aug 3, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 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.