Alert archive / Montana / Tornado Warnings in 2001

Tornado Warning 9, NWS Billings, MT

June 28, 2001Rosebud County, Montana

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

TimeReportWhereRemark
Jun 28, 11:55 PM MDTHail 1.75Colstrip, 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.

IssuedProductOfficeLasted
Jun 28, 9:30 PM MDTSevere Thunderstorm WatchSPC6 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.

Skew-T log-pSkew-T log-p diagram, Glasgow Intl Airport, MT at 00:00Z on 2001-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 148 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 00:00Z on 2001-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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/B

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 6:09 PM MDTSevere Thunderstorm WarningBYZRosebud66 min
Jun 28, 6:18 PM MDTSevere Thunderstorm WarningBYZYellowstone57 min
Jun 28, 6:45 PM MDTSevere Thunderstorm WarningBYZWheatland60 min
Jun 28, 7:08 PM MDTTornado WarningBYZWheatland37 min
Jun 28, 7:13 PM MDTSevere Thunderstorm WarningBYZGolden Valley62 min
Jun 28, 7:17 PM MDTSevere Thunderstorm WarningBYZTreasure58 min
Jun 28, 7:34 PM MDTTornado WarningBYZGolden Valley26 min
Jun 28, 8:03 PM MDTSevere Thunderstorm WarningBYZMusselshell57 min
Jun 28, 8:11 PM MDTSevere Thunderstorm WarningBYZRosebud59 min
Jun 28, 8:21 PM MDTSevere Thunderstorm WarningBYZWheatland54 min
Jun 28, 9:10 PM MDTSevere Thunderstorm WarningBYZRosebud50 min
Jun 28, 9:18 PM MDTSevere Thunderstorm WarningBYZGolden Valley27 min
Jun 28, 9:41 PM MDTSevere Thunderstorm WarningBYZTreasure, Yellowstone64 min
Jun 28, 9:52 PM MDTSevere Thunderstorm WarningBYZCuster58 min
Jun 28, 10:28 PM MDTSevere Thunderstorm WarningBYZMusselshell32 min
Jun 28, 10:32 PM MDTTornado WarningBYZRosebud, Treasure58 min
Jun 28, 11:00 PM MDTSevere Thunderstorm WarningBYZBig Horn60 min
Jun 28, 11:44 PM MDTSevere Thunderstorm WarningBYZRosebud46 min
Jun 29, 12:00 AM MDTSevere Thunderstorm WarningBYZCuster60 min
Jun 29, 12:16 AM MDTSevere Thunderstorm WarningBYZRosebud74 min
Jun 29, 12:58 AM MDTSevere Thunderstorm WarningBYZCuster62 min
Jun 29, 1:10 AM MDTSevere Thunderstorm WarningBYZTreasure60 min
Jun 29, 1:26 AM MDTSevere Thunderstorm WarningBYZPowder River49 min
Jun 29, 1:30 AM MDTSevere Thunderstorm WarningBYZRosebud60 min
Jun 29, 1:59 AM MDTSevere Thunderstorm WarningBYZCuster61 min
Jun 29, 2:15 AM MDTSevere Thunderstorm WarningBYZCarter, Powder River60 min
Jun 29, 2:58 AM MDTSevere Thunderstorm WarningBYZCuster62 min
Jun 29, 3:14 AM MDTSevere Thunderstorm WarningBYZCarter46 min
Jun 29, 4:34 AM MDTSevere Thunderstorm WarningBYZCarter, Fallon56 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.