Alert archive / Montana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 55, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jul 4, 2000, 6:28 PM MDT for Carter County, Montana. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 4, 2000, 6:28 PM MDT (00:28 UTC)
- Expired
- Jul 4, 2000, 7:30 PM MDT
- In force
- 62 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Carter County, MT
The radar
The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 00:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 7:00 PM MDT | Hail 1 | Alzada, MT |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 4, 5:30 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 0.5 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
- 1724 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1327 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 13.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 4, 5:26 PM MDT, 1 hour 2 minutes earlier.
Area forecast discussion, Jul 4, 5:26 PM MDT, 1 hour 2 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BILLINGS MT 526 PM MDT TUE JUL 04 2000 .WED AND THU... WILL BE UPDATING ZONES TO GET RID OF THE WATCHES. MOREOVER...WILL BE LOWERING THE POPS A BIT OVER MOST ZONES TONIGHT. HAVE NOT HAD A CHANCE TO LOOK AT NEW ETA EXCEPT BRIEFLY. LOOKS LIKE MORE OF THE SAME FOR TOMORROW. .FRI...SAT...AND SUN... MODELS SIMILAR IN TREND OF DROPPING AN UPPER LOW OFF THE NORTHERN CALIFORNIA COAST FRIDAY THEN WEAKENING AND LIFTING THE LOW NORTHEAST INTO SUNDAY. ECMWF IS THE PREFERRED MODEL FOR POSITION AS MRF WANTS TO RETROGRADE PACIFIC RIDGE TOO MUCH. THE RIDGE SLOWLY BUILDS HEIGHTS OVER THE NORTHERN ROCKIES THROUGH THE PERIOD WITH TEMPERATURES WARMING. THE DISTURBANCES IN THE FLOW ALOFT WILL AID IN THUNDERSTORM DEVELOPMENT THROUGH THE PERIOD AND WILL BROADBRUSH FOR THUNDERSTORMS THROUGH THE EXTENDED PERIOD. THORICHT BIL TTBBB 054/083 058/085 057/086 058/089 059/092 522333 58 LVM TTBBB 052/079 055/084 055/084 056/087 058/089 522433 58 HDN TTBBB 054/084 058/087 055/088 057/091 057/093 522333 58 MLS TTBBB 059/085 062/090 060/088 059/090 059/092 522333 58 4BQ TTBBB 058/085 060/089 060/089 060/091 060/093 522333 58 BHK TTBBB 058/084 060/091 059/087 059/088 059/091 523333 58 SHR TTBBB 052/083 054/089 055/087 056/090 056/091 523333 58
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 65 min |
| Jul 4, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| Jul 5, 4:42 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Jul 5, 5:02 PM MDT | Tornado Warning | BYZ | Powder River | 28 min |
| Jul 5, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 56 min |
| Jul 5, 5:35 PM MDT | Tornado Warning | BYZ | Powder River | 55 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.