Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 22, NWS North Platte, NE

June 9, 2009Cherry County, Grant County, Hooker County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 2009, 3:48 PM MDT for Cherry County, Grant County, Hooker County, Nebraska. It was in force for 42 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, 3:48 PM MDT (21:48 UTC)
Expired
Jun 9, 2009, 4:30 PM MDT
In force
42 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

Counties Cherry County, NE, Grant County, NE, Hooker County, NE

The radar

The North Platte radar (KLNX), 71 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 122 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 092148
TORLBF
NEC031-075-091-092230-
/O.NEW.KLBF.TO.W.0022.090609T2148Z-090609T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
348 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...
  EASTERN GRANT COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHWESTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 430 PM MDT

* AT 346 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A   
  LINE EXTENDING FROM 15 MILES NORTHEAST OF WHITMAN TO 
  HYANNIS...OR ALONG A LINE EXTENDING FROM 22 MILES NORTHWEST OF 
  MULLEN TO 31 MILES NORTH OF ARTHUR...MOVING SOUTHEAST AT 15 MPH.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  WHITMAN BY 410 PM MDT...
  PRATT LAKE...CARR LAKE AND SPRING VALLEY LAKE BY 430 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

AT 315 PM MDT...A RANCHER SITED A BRIEF TORNADO 12 MILES NORTH OF 
HYANNIS. THE TORNADO LASTED ONLY A FEW MINUTES BUT ANOTHER COULD 
FORM AT ANY TIME.

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 4207 10108 4177 10180 4204 10179 4226 10137
TIME...MOT...LOC 2146Z 327DEG 12KT 4223 10138 4202 10175

$$

CDC
2 follow-up statements
000 
WWUS53 KLBF 092214
SVSLBF

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

NEC031-075-091-092230-
/O.CON.KLBF.TO.W.0022.000000T0000Z-090609T2230Z/
HOOKER NE-GRANT NE-CHERRY NE-
414 PM MDT TUE JUN 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR SOUTH
CENTRAL CHERRY...EASTERN GRANT AND NORTHWESTERN HOOKER COUNTIES...

AT 413 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF STORMS CAPABLE OF PRODUCING BRIEF SHORT LIVED 
TORNADOES.  THESE TORNADO PRODUCING STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 6 MILES NORTH OF HIGHWAY 2 MILE MARKER 170 TO WHITMAN 
TO HYANNIS...OR ALONG A LINE EXTENDING FROM 14 MILES NORTHWEST OF 
MULLEN TO 22 MILES WEST OF MULLEN TO 30 MILES NORTH OF 
ARTHUR...MOVING SOUTHEAST AT 15 MPH.

TORNADO PRODUCING STORMS WILL BE NEAR...
  HIGHWAY 2 MILE MARKER 170...CARR LAKE...PRATT LAKE AND 6 MILES
  NORTHEAST OF HIGHWAY 61 MILE MARKER 150 BY 430 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THESE STORMS ARE 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 4207 10108 4177 10180 4204 10179 4226 10137
TIME...MOT...LOC 2214Z 327DEG 12KT 4212 10129 4203 10147
          4200 10170

$$

CDC
000 
WWUS53 KLBF 092229
SVSLBF

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

NEC031-075-091-092237-
/O.EXP.KLBF.TO.W.0022.000000T0000Z-090609T2230Z/
HOOKER NE-GRANT NE-CHERRY NE-
429 PM MDT TUE JUN 9 2009

...THE TORNADO WARNING FOR SOUTH CENTRAL CHERRY...EASTERN GRANT AND
NORTHWESTERN HOOKER COUNTIES WILL EXPIRE AT 430 PM MDT...

AT 315 PM MDT...A BRIEF TORNADO FORMED WITH THIS SYSTEM OF 
THUNDERSTORMS. SINCE THEN RADAR INDICATES THE STORMS ARE WEAKENING. 
THE THREAT OF SEVERE WEATHER APPEARS TO BE DECREASING BUT THESE 
STORMS WILL BE CLOSELY MONITORED.

LAT...LON 4207 10108 4177 10180 4204 10179 4226 10137
TIME...MOT...LOC 2227Z 327DEG 12KT 4208 10126 4199 10144
          4196 10167

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 3:26 PM MDTTornado WarningLBFCherry49 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.