Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 21, NWS North Platte, NE

June 9, 2009Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 2009, 3:26 PM MDT for Cherry County, Nebraska. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 9, 2009, 3:26 PM MDT (21:26 UTC)
Expired
Jun 9, 2009, 4:15 PM MDT
In force
49 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Cherry County, NE

The radar

The North Platte radar (KLNX), 81 km from the middle of the area, began a volume at 21:27 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.4 hours before the alert went out and 137 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, N. Platte/Lee Bi, NE at 12:00Z on 2009-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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, N. Platte/Lee Bi, NE at 12:00Z on 2009-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
470 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 092126
TORLBF
NEC031-092215-
/O.NEW.KLBF.TO.W.0021.090609T2126Z-090609T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
326 PM MDT TUE JUN 9 2009

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 415 PM MDT

* AT 325 PM MDT...WEATHER SPOTTERS REPORTED A TORNADO NEAR WHITMAN 
  ROAD CROSSING THE NORTH BRANCH OF THE MIDDLE LOUP RIVER...  OR 31 
  MILES WEST OF MULLEN...MOVING SOUTH AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  WHITMAN ROAD CROSSING THE NORTH BRANCH OF THE MIDDLE LOUP RIVER BY
  340 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 1 
INCH HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 4209 10130 4208 10176 4220 10169 4229 10158
TIME...MOT...LOC 2126Z 341DEG 10KT 4221 10160

$$

CDC
2 follow-up statements
000 
WWUS53 KLBF 092150
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
350 PM MDT TUE JUN 9 2009

NEC031-092215-
/O.CON.KLBF.TO.W.0021.000000T0000Z-090609T2215Z/
CHERRY NE-
350 PM MDT TUE JUN 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR SOUTH
CENTRAL CHERRY COUNTY...

AT 350 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF TORNADO PRODUCING STORMS.  THESE TORNADO PRODUCING
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF
WHITMAN ROAD CROSSING THE NORTH BRANCH OF THE MIDDLE LOUP RIVER TO 17
MILES SOUTHWEST OF WHITMAN ROAD CROSSING THE NORTH BRANCH OF THE
MIDDLE LOUP RIVER...OR ALONG A LINE EXTENDING FROM 21 MILES NORTHWEST
OF MULLEN TO 32 MILES NORTH OF ARTHUR...MOVING SOUTH AT 15 MPH.

TORNADO PRODUCING STORMS WILL BE NEAR...
  RURAL SOUTHERN CHERRY COUNTY AT 400 PM MDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING  
DESTRUCTIVE STRAIGHT LINE WINDS.

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 4221 10147 4209 10130 4209 10176 4209 10175
TIME...MOT...LOC 2150Z 340DEG 12KT 4225 10135 4203 10177

$$

CDC
000 
WWUS53 KLBF 092211
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
411 PM MDT TUE JUN 9 2009

NEC031-092221-
/O.EXP.KLBF.TO.W.0021.000000T0000Z-090609T2215Z/
CHERRY NE-
411 PM MDT TUE JUN 9 2009

...THE TORNADO WARNING FOR SOUTH CENTRAL CHERRY COUNTY WILL EXPIRE AT
415 PM MDT...

THIS LINE OF SEVERE STORMS IS EXITING SOUTH CENTRAL CHERRY CHERRY 
COUNTY NOW.

LAT...LON 4221 10147 4209 10130 4209 10176 4209 10175
TIME...MOT...LOC 2211Z 340DEG 12KT 4219 10132 4197 10174

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 3:48 PM MDTTornado WarningLBFCherry, Grant, Hooker42 min
Jun 9, 3:49 PM MDTTornado WarningLBFDeuel37 min

Nearby

Tornado Warnings in Nebraska, 2009Every tornado warning in 2009Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.