Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 7, NWS North Platte, NE

June 12, 2001Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 2001, 8:52 PM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 38 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Jun 12, 2001, 8:52 PM MDT (02:52 UTC)
Expired: Jun 12, 2001, 9:30 PM MDT
In force: 38 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cherry County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 145 km from the middle of the area, began a volume at 02:51 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 12, 9:10 PM MDT	Hail 1.75	Merriman, NE

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 12, 6:30 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 2.9 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

374 
WFUS53 KLBF 130253
TORLBF
NEC031-161-130330-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA
  EAST CENTRAL SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 930 PM MDT

* AT 846 PM MDT...LAW ENFORCEMENT OFFICIALS REPORTED A TORNADO
  12 MILES SOUTH OF GORDON MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE...AROUND 15 MILES SOUTHEAST OF GORDON 
  AT 905 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 TUESDAY EVENING
FOR NORTH CENTRAL NEBRASKA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL MIDNIGHT MDT WEDNESDAY MORNING FOR NORTHWESTERN NEBRASKA.

LAT...LON 4266 10238 4249 10235 4238 10167 4283 10176

$$

AWJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 6:27 PM MDT	Tornado Warning	LBF	Sheridan	63 min
Jun 12, 7:30 PM MDT	Tornado Warning	LBF	Sheridan	45 min
Jun 12, 8:14 PM MDT	Tornado Warning	LBF	Sheridan	46 min
Jun 12, 9:28 PM MDT	Tornado Warning	LBF	Cherry	47 min
Jun 12, 9:40 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	50 min
Jun 12, 10:14 PM MDT	Tornado Warning	LBF	Cherry	46 min
Jun 12, 10:28 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	32 min
Jun 12, 10:54 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	51 min
Jun 12, 11:25 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	65 min

Nearby

Tornado Warnings in Nebraska, 2001 Every tornado warning in 2001 Tornadoes 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.