Alert archive / Nebraska / Tornado Warnings in 2006

Tornado Warning 13, NWS North Platte, NE

June 20, 2006Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 20, 2006, 5:18 PM MDT for Sheridan County, Nebraska. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 20, 2006, 5:18 PM MDT (23:18 UTC)
Expired
Jun 20, 2006, 6:00 PM MDT
In force
42 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 172 km from the middle of the area, began a volume at 23:21 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 20, 5:40 PM MDTHAIL 13 Wnw Gordon, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 20, 1:59 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 11.3 hours before the alert went out and 170 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 12:00Z on 2006-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 12:00Z on 2006-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
133 J/kg
Mixed-layer CIN
-402 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
67 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 202320
TORLBF
NEC161-210000-
/O.NEW.KLBF.TO.W.0013.060620T2318Z-060621T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
518 PM MDT TUE JUN 20 2006

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 600 PM MDT

* AT 517 PM MDT...THE PUBLIC REPORTED A TORNADO JUST NORTH OF        
  RUSHVILLE...MOVING NORTH AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  8 MILES EAST OF INTERSECTION OF HIGHWAY 87 AND LARABEE ROAD BY 540
  PM MDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR 
NORTHERN SHERIDAN COUNTY.

LAT...LON 4231 10273 4229 10215 4297 10213 4295 10272

$$
BUTTLER
4 follow-up statements
000 
WWUS53 KLBF 202330
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
630 PM CDT TUE JUN 20 2006

NEC161-210000-
/O.CON.KLBF.TO.W.0013.000000T0000Z-060621T0000Z/
SHERIDAN NE-
530 PM MDT TUE JUN 20 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTHERN
SHERIDAN COUNTY...

AT 526 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HIGHWAY 87 MILE 
MARKER 60...OR JUST NORTH OF RUSHVILLE...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  9 MILES SOUTHEAST OF HIGHWAY 87 MILE MARKER 70 BY 535 PM MDT...
  6 MILES NORTHWEST OF HIGHWAY 27 MILE MARKER 230 BY 545 PM MDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4231 10273 4229 10215 4297 10213 4295 10272

$$

BUTTLER
000 
WWUS53 KLBF 202333
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
632 PM CDT TUE JUN 20 2006

NEC161-210000-
/O.CON.KLBF.TO.W.0013.000000T0000Z-060621T0000Z/
SHERIDAN NE-
532 PM MDT TUE JUN 20 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTHERN
SHERIDAN COUNTY...

AT 531 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HIGHWAY 87 MILE
MARKER 60...OR ABOUT 7 MILES NORTH OF RUSHVILLE...MOVING NORTHEAST AT
45 MPH.

* THE TORNADO WILL BE NEAR...
  6 MILES NORTHWEST OF HIGHWAY 27 MILE MARKER 230 BY 545 PM MDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

PERSONS IN THE CITY OF GORDON SHOULD BE PREPARED FOR BASEBALL SIZE 
HAIL AND WINDS IN EXCESS OF 80 MPH BY 540 PM MDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4231 10273 4229 10215 4297 10213 4295 10272

$$

BUTTLER
000 
WWUS53 KLBF 202339
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
638 PM CDT TUE JUN 20 2006

NEC161-210000-
/O.CON.KLBF.TO.W.0013.000000T0000Z-060621T0000Z/
SHERIDAN NE-
538 PM MDT TUE JUN 20 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTHERN
SHERIDAN COUNTY...

AT 536 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CLINTON...OR ABOUT
6 MILES NORTHEAST OF RUSHVILLE...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  3 MILES NORTHWEST OF GORDON BY 545 PM MDT...
  HIGHWAY 27 MILE MARKER 230 BY 555 PM MDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4231 10273 4229 10215 4297 10213 4295 10272

$$

BUTTLER
000 
WWUS53 KLBF 210000
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
659 PM CDT TUE JUN 20 2006

NEC161-210009-
/O.EXP.KLBF.TO.W.0013.000000T0000Z-060621T0000Z/
SHERIDAN NE-
559 PM MDT TUE JUN 20 2006

...THE TORNADO WARNING FOR NORTHERN SHERIDAN COUNTY EXPIRES AT 600 PM
MDT...

THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE COUNTY AND NO LONGER POSED A SEVERE THREAT. HOWEVER SOME STRONG 
THUNDERSTORMS WILL CONTINUE ACROSS EXTREME NORTHEASTERN SHERIDAN 
COUNTY THROUGH 615 PM MDT. THESE STORMS ARE CAPABLE OF PRODUCING 
WINDS TO 50 MPH AND HAIL UP TO A HALF AN INCH IN DIAMETER.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT 
TUESDAY EVENING FOR THE NEBRASKA PANHANDLE.

LAT...LON 4231 10273 4229 10215 4297 10213 4295 10272

$$

BUTTLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 10:42 PM MDTHigh Wind WarningLBFCherry, Sheridan2 hr
Jun 20, 4:15 PM MDTSevere Thunderstorm WarningLBFSheridan60 min
Jun 20, 4:52 PM MDTSevere Thunderstorm WarningLBFSheridan53 min

Nearby

Tornado Warnings in Nebraska, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.