Alert archive / Montana / Tornado Warnings in 2001

Tornado Warning 2, NWS Billings, MT

June 26, 2001Yellowstone County, Montana

NWS Billings, MT issued this tornado warning at Jun 26, 2001, 7:53 PM MDT for Yellowstone County, Montana. It was in force for 37 min. 5 reports 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 26, 2001, 7:53 PM MDT (01:53 UTC)
Expired
Jun 26, 2001, 8:30 PM MDT
In force
37 min
Issued by
NWS Billings, MT
Area
Whole counties

County Yellowstone County, MT

What was reported inside it

TimeReportWhereRemark
Jun 26, 8:20 PM MDTHail 1.75Billings Hgts, MTGolf ball size hail in western Alkali Creek
Jun 26, 8:25 PM MDTThunderstorm Wind 62 MBillings Logan Arpt, MT
Jun 26, 8:35 PM MDTHail 1.75Billings, MTGolf ball size hail
Jun 26, 8:35 PM MDTHail 1Laurel, MT
Jun 26, 8:35 PM MDTHail 1.25Laurel, 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 26, 5:00 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 1.9 hours before the alert went out and 245 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, Great_falls, MT at 00:00Z on 2001-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Great_falls, MT at 00:00Z on 2001-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2153 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS55 KBYZ 270153
TORBIL
MTC111-270230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
753 PM MDT TUE JUN 26 2001

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL YELLOWSTONE COUNTY IN SOUTH CENTRAL MONTANA

* UNTIL 830 PM MDT

* AT 746 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 8 MILES SOUTH OF ACTON...OR ABOUT 10 MILES WEST OF
  BILLINGS...MOVING NORTHEAST AT 15 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...
  WESTERN YELLOWSTONE COUNTY.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING WHICH
WAS IN EFFECT FOR THE SAME AREA.

$$

LAT...LON 4583 10891 4571 10871 4594 10839 4609 10864

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:28 PM MDTSevere Thunderstorm WarningBYZYellowstone62 min
Jun 26, 8:10 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater20 min
Jun 26, 8:25 PM MDTTornado WarningBYZMusselshell, Yellowstone35 min
Jun 26, 9:00 PM MDTTornado WarningBYZYellowstone45 min
Jun 26, 9:10 PM MDTFlash Flood WarningBYZYellowstone2 hr
Jun 26, 9:25 PM MDTSevere Thunderstorm WarningBYZBig Horn65 min
Jun 26, 9:45 PM MDTTornado WarningBYZYellowstone45 min
Jun 26, 9:58 PM MDTSevere Thunderstorm WarningBYZYellowstone62 min
Jun 26, 11:17 PM MDTFlash Flood WarningBYZYellowstone58 min
Jun 27, 2:30 PM MDTSevere Thunderstorm WarningBYZFallon60 min
Jun 27, 2:55 PM MDTSevere Thunderstorm WarningBYZCuster35 min
Jun 27, 3:29 PM MDTSevere Thunderstorm WarningBYZCuster, Fallon61 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.