Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 4, NWS North Platte, NE

June 12, 2001Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 2001, 6:27 PM MDT for Sheridan County, Nebraska. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 12, 2001, 6:27 PM MDT (00:27 UTC)
Expired
Jun 12, 2001, 7:30 PM MDT
In force
63 min
Issued by
NWS North Platte, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sheridan County, NE

The radar

The Rapid City radar (KUDX), 141 km from the middle of the area, began a volume at 00:27 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, 0.5 hours before the alert went out and 135 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, Rapid City, SD at 00:00Z on 2001-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 642 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, Rapid City, SD at 00:00Z on 2001-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
642 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
33 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.

000 
WFUS53 KLBF 130026
TORLBF

NEC161-130130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
627 PM MDT TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 730 PM MDT

* AT 720 PM CDT(620 PM MDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A THUNDERSTORM WITH A POSSIBLE TORNADO 37 MILES WEST OF
  RUSHVILLE...OR ABOUT 27 MILES NORTHWEST OF HAY SPRINGS...MOVING
  EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE...
  8 MILES NORTH OF RUSHVILLE AROUND 720 PM MDT
  4 MILES NORTH OF CLINTON AROUND 725 PM MDT
  6 MILES WEST OF GORDON AROUND 730 PM MDT

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS LARGE AND DESTRUCTIVE
TORNADO...TAKE COVER IMMEDIATELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT TUES
DAY EVENING
FOR NORTH CENTRAL NEBRASKA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL MIDNIGHT MDT WEDNESDAY MORNING FOR NORTHWESTERN NEBRASKA.

LAT...LON 4294 10323 4276 10324 4268 10221 4295 10219

$$

AWJ

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 7:30 PM MDTTornado WarningLBFSheridan45 min
Jun 12, 8:14 PM MDTTornado WarningLBFSheridan46 min
Jun 12, 8:52 PM MDTTornado WarningLBFCherry, Sheridan38 min
Jun 12, 9:28 PM MDTTornado WarningLBFCherry47 min
Jun 12, 9:40 PM MDTSevere Thunderstorm WarningLBFSheridan50 min
Jun 12, 10:14 PM MDTTornado WarningLBFCherry46 min
Jun 12, 10:28 PM MDTSevere Thunderstorm WarningLBFSheridan32 min
Jun 12, 10:54 PM MDTSevere Thunderstorm WarningLBFSheridan51 min
Jun 12, 11:25 PM MDTSevere Thunderstorm WarningLBFSheridan65 min

Nearby

Tornado Warnings in Nebraska, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.