Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 25, NWS North Platte, NE

June 10, 2009Garden County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 10, 2009, 5:45 PM MDT for Garden County, Nebraska. It was in force for 45 min. 5 reports 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 10, 2009, 5:45 PM MDT (23:45 UTC)
Expired: Jun 10, 2009, 6:30 PM MDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon

County Garden County, NE

The radar

The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 23:47 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 10, 5:50 PM MDT	HAIL 1	1 S Lisco, NE	HAIL UP TO THE SIZE OF QUARTERS COVERED THE GROUND.
Jun 10, 5:52 PM MDT	HAIL 0.25	Lisco, NE	PEA TO MARBLE SIZED HAIL COVERING THE GROUND 1 INCH DEEP
Jun 10, 5:53 PM MDT	HAIL 1.75	Lisco, NE	GOLFBALL SIZED HAIL AND SMALLER HAIL COVERED THE GROUND UP TO 1 TO 2 INCH DEEP CREATING SLICK ROADS.
Jun 10, 6:05 PM MDT	HAIL 0.5	9 Sw Oshkosh, NE	HAIL FROM PEA SIZE UP TO ONE HALF INCH IN DIAMETER COVERED THE GROUND. HAIL BEGAN AT 705 PM CDT AND LASTED JUST OVER 5 MINUTES.
Jun 10, 6:20 PM MDT	HAIL 0.5	10 Sw Oshkosh, NE	ONE HALF INCH DIAMETER HAIL COVERED THE GROUND.

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.8 hours before the alert went out and 169 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: 3 J/kg
Mixed-layer CIN: -238 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 140 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 
WFUS53 KLBF 102345
TORLBF
NEC069-110030-
/O.NEW.KLBF.TO.W.0025.090610T2345Z-090611T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
545 PM MDT WED JUN 10 2009

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 630 PM MDT

* AT 544 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LISCO...OR
  19 MILES NORTHWEST OF OSHKOSH...MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  LISCO BY 600 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

&&

LAT...LON 4163 10264 4163 10263 4153 10233 4130 10246
      4136 10261 4139 10261 4140 10263
TIME...MOT...LOC 2345Z 298DEG 13KT 4154 10266

$$

JWS

3 follow-up statements

000 
WWUS53 KLBF 110002
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
602 PM MDT WED JUN 10 2009

NEC069-110030-
/O.CON.KLBF.TO.W.0025.000000T0000Z-090611T0030Z/
GARDEN NE-
602 PM MDT WED JUN 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR WEST
CENTRAL GARDEN COUNTY...

AT 559 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 3 MILES SOUTHEAST OF 
LISCO...OR 13 MILES WEST OF OSHKOSH...MOVING SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  HIGHWAY 26 MILE MARKER 100 BETWEEN LISCO AND OSHKOSH BY 620 PM    
  MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 60 
MPH ALONG AND SOUTH OF HIGHWAY 26 FROM LISCO TO OSHKOSH.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

&&

LAT...LON 4163 10264 4163 10263 4153 10233 4130 10246
      4136 10261 4139 10261 4140 10263
TIME...MOT...LOC 0000Z 296DEG 18KT 4146 10257

$$

JWS

000 
WWUS53 KLBF 110016
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
616 PM MDT WED JUN 10 2009

NEC069-110030-
/O.CON.KLBF.TO.W.0025.000000T0000Z-090611T0030Z/
GARDEN NE-
616 PM MDT WED JUN 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR WEST
CENTRAL GARDEN COUNTY...

AT 615 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HIGHWAY 26 MILE
MARKER 100...OR 7 MILES WEST OF OSHKOSH...MOVING EAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  HIGHWAY 26 MILE MARKER 100 BY 620 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS ALONG AND 
SOUTH OF HIGHWAY 26.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

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.

&&

LAT...LON 4163 10264 4163 10263 4153 10233 4130 10246
      4136 10261 4139 10261 4140 10263
TIME...MOT...LOC 0015Z 291DEG 18KT 4144 10247

$$

JWS

000 
WWUS53 KLBF 110036
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
636 PM MDT WED JUN 10 2009

NEC069-110043-
/O.EXP.KLBF.TO.W.0025.000000T0000Z-090611T0030Z/
GARDEN NE-
636 PM MDT WED JUN 10 2009

...THE TORNADO WARNING FOR WEST CENTRAL GARDEN COUNTY HAS EXPIRED...

AT 630 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMTED THE TORNADO WARNING HAD WEAKENED. 
HOWEVER...STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE THROUGH 7 PM 
MDT IN SOUTH CENTRAL GARDEN AND DEUEL COUNTIES WHERE A SEVERE 
THUNDERSTORM WARNING REMAINS UNTIL 7 PM MDT.

IF SEVERE WEATHER WAS OBSERVED...PLEASE RELAY YOUR REPORTS TO LAW 
ENFORCEMENT FOR FURTHER RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4163 10264 4163 10263 4153 10233 4130 10246
      4136 10261 4139 10261 4140 10263
TIME...MOT...LOC 0016Z 291DEG 18KT 4144 10246

$$

JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 6:04 PM MDT	Areal Flood Advisory	LBF	Garden, Grant, Sheridan	100 min
Jun 10, 5:10 PM MDT	Tornado Warning	LBF	Garden	35 min

Nearby

Tornado Warnings in Nebraska, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.