Alert archive / Montana / Tornado Warnings in 2001
Tornado Warning 9, NWS Billings, MT
NWS Billings, MT issued this tornado warning at Jun 28, 2001, 11:29 PM MDT for Rosebud County, Montana. It was in force for 46 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
- Jun 28, 2001, 11:29 PM MDT (05:29 UTC)
- Expired
- Jun 29, 2001, 12:15 AM MDT
- In force
- 46 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Rosebud County, MT
The radar
The Billings radar (KBLX), 151 km from the middle of the area, began a volume at 05:30 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 |
|---|---|---|---|
| Jun 28, 11:55 PM MDT | Hail 1.75 | Colstrip, 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 |
|---|---|---|---|
| Jun 28, 9:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 5.5 hours before the alert went out and 221 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
- 148 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 2160 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
261 WFUS55 KBYZ 290530 TORBIL MTC087-290615- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BILLINGS MT 1129 PM MDT THU JUN 28 2001 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL ROSEBUD COUNTY IN SOUTHEAST MONTANA * UNTIL 1215 AM MDT * AT 1120 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO OVER CENTRAL ROSEBUD COUNTY...OR ABOUT 11 MILES SOUTH OF FORSYTH...MOVING EAST AT 25 MPH. THIS REPLACES THE PREVIOUS TORNADO WARNING FOR ROSEBUD COUNTY. * THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF... CENTRAL ROSEBUD AND EASTERN ROSEBUD COUNTIES. $$ A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM MDT FRIDAY MORNING FOR SOUTHEASTERN MONTANA.
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 Jun 28, 8:47 PM MDT, 2 hours 42 minutes earlier.
Area forecast discussion, Jun 28, 8:47 PM MDT, 2 hours 42 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
443 PM MDT THU JUN 28 2001
.FRI AND SAT...
LATEST CONVECTION FIRING NORTH OF BILLINGS AREA LINES UP WITH 700 MB
WARM FRONTAL LIFT ZONE. THIS ZONE AMPLIFIES OVER SOUTHEAST MONTANA...IN
PARTICULAR OVER NORTHERN ROSEBUD...CUSTER AND FALLON COUNTIES. WILL
UPDATE ZONES TO INDICATE LESSER THREAT OVER THE SOUTHERN ZONES
TONIGHT. ANTICIPATE THAT SEVERE WEATHER WILL CONTINUE INTO THE LATE
NIGHT HOURS ACROSS THE NORTHERN ZONES. SOUTHEAST MONTANA WILL SEE
HELICITIES OF 250-300 M2/S2 WITH CAPES IN EXCESS OF 2000 J/KG AROUND
09Z...THUS SUPERCELLS APPEAR LIKELY. BORSUM
.SUN...MON...TUE...WED...THU...
TRAPPED LOW BLOCKING SYSTEM IN THE CENTRAL U.S. WITH LOW SLOWLY FILLING
THROUGH TUESDAY WITH THE RIDGE SHIFTING INTO WESTERN MONTANA. A SERIES
OF DISTURBANCES IN THE FLOW ALOFT WILL CARVE A TROUGH INTO THE NORTHERN
PLAINS AFTER TUESDAY WITH SURFACE HIGH PRESSURE MOVING INTO EASTERN
MONTANA. THIS WILL BRING COOLER TEMPERATURES TO THE AREA FROM TUESDAY
ON. RESIDUAL MOISTURE FROM RECENT THUNDERSTORMS WILL GENERATE SOME
ISOLATED CONVECTION TUESDAY THROUGH THE END OF THE WEEK. THORICHT
FRI SAT SUN MON TUE WED THU
-----------------------------------------------------------
BIL 063/082 063/083 062/086 058/082 053/082 057/082 056/085
33/T 30/B 33/T 22/B 22/B 22/B 22/B
LVM 057/080 057/082 055/084 055/080 050/080 050/080 052/080
33/T 30/B 33/T 22/B 22/B 22/B 22/B
HDN 061/084 061/086 060/089 059/085 051/085 053/084 053/087
33/T 30/B 33/T 22/B 22/B 22/B 22/B
MLS 065/084 065/083 064/089 061/085 054/084 058/083 056/083
63/T 33/T 33/T 22/B 22/B 22/B 22/B
4BQ 065/082 065/081 063/087 060/083 052/083 056/082 054/082
33/T 33/T 33/T 22/B 22/B 22/B 22/B
BHK 063/082 063/081 062/086 060/081 050/081 055/081 053/082
63/T 33/T 33/T 22/B 22/B 22/B 22/B
SHR 060/082 058/081 055/087 055/081 050/081 050/079 050/082
34/T 40/B 33/T 22/B 22/B 22/B 22/BThe office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 6:09 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| Jun 28, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Jun 28, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 60 min |
| Jun 28, 7:08 PM MDT | Tornado Warning | BYZ | Wheatland | 37 min |
| Jun 28, 7:13 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 62 min |
| Jun 28, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 58 min |
| Jun 28, 7:34 PM MDT | Tornado Warning | BYZ | Golden Valley | 26 min |
| Jun 28, 8:03 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 57 min |
| Jun 28, 8:11 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 59 min |
| Jun 28, 8:21 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 54 min |
| Jun 28, 9:10 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 50 min |
| Jun 28, 9:18 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 27 min |
| Jun 28, 9:41 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 64 min |
| Jun 28, 9:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 58 min |
| Jun 28, 10:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 32 min |
| Jun 28, 10:32 PM MDT | Tornado Warning | BYZ | Rosebud, Treasure | 58 min |
| Jun 28, 11:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| Jun 28, 11:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 46 min |
| Jun 29, 12:00 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jun 29, 12:16 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 74 min |
| Jun 29, 12:58 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 62 min |
| Jun 29, 1:10 AM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 60 min |
| Jun 29, 1:26 AM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 49 min |
| Jun 29, 1:30 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Jun 29, 1:59 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Jun 29, 2:15 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 60 min |
| Jun 29, 2:58 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 62 min |
| Jun 29, 3:14 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 46 min |
| Jun 29, 4:34 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 56 min |
Nearby
Tornado Warnings in Montana, 2001Every tornado warning in 2001Tornadoes in 2001
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.