Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 23, NWS North Platte, NE

June 9, 2009Deuel County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 2009, 3:49 PM MDT for Deuel County, Nebraska. It was in force for 37 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, 3:49 PM MDT (21:49 UTC)
Expired
Jun 9, 2009, 4:26 PM MDT
In force
37 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Deuel County, NE

The radar

The Cheyenne radar (KCYS), 188 km from the middle of the area, began a volume at 21:52 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

Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 142 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, Denver, CO at 12:00Z on 2009-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 195 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2009-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897117Sfc1 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
195 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
29 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 092149
TORLBF
NEC049-092230-
/O.NEW.KLBF.TO.W.0023.090609T2149Z-090609T2230Z/

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 430 PM MDT

* AT 347 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES WEST OF 
CHAPPELL...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL SOUTHWESTERN DEUEL COUNTY AT 400 PM MDT
  RURAL SOUTHERN DEUEL COUNTY AT 430 PM MDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4105 10262 4111 10262 4111 10261 4108 10238
      4099 10241 4099 10262 4100 10263 4104 10263
TIME...MOT...LOC 2148Z 270DEG 18KT 4103 10268

$$

TAYLOR
2 follow-up statements
000 
WWUS53 KLBF 092206
SVSLBF

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

NEC049-092230-
/O.CON.KLBF.TO.W.0023.000000T0000Z-090609T2230Z/
DEUEL NE-
406 PM MDT TUE JUN 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR
SOUTHWESTERN DEUEL COUNTY...

AT 405 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO.  THIS POSSIBLE TORNADO WAS LOCATED 11 
MILES WEST OF INTERSTATE 80 MILE MARKER 90...OR 9 MILES SOUTHWEST OF 
CHAPPELL...MOVING EAST AT 15 MPH.

THE POSSIBLE TORNADO WILL BE NEAR...
  INTERSTATE 80 MILE MARKER 90 BY 430 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4105 10262 4111 10262 4111 10261 4108 10238
      4099 10241 4099 10262 4100 10263 4104 10263
TIME...MOT...LOC 2205Z 267DEG 14KT 4101 10261

$$

TAYLOR
000 
WWUS53 KLBF 092226
SVSLBF

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

NEC049-092236-
/O.CAN.KLBF.TO.W.0023.000000T0000Z-090609T2230Z/
DEUEL NE-
426 PM MDT TUE JUN 9 2009

...THE TORNADO WARNING FOR SOUTHWESTERN DEUEL COUNTY IS CANCELLED...

THE STORM HAS WEAKENED...AND NO LONGER POSES A TORNADO THREAT.

LAT...LON 4105 10262 4111 10262 4111 10261 4108 10238
      4099 10241 4099 10262 4100 10263 4104 10263
TIME...MOT...LOC 2226Z 270DEG 18KT 4103 10243

$$

TAYLOR

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, 3:48 PM MDTTornado WarningLBFCherry, Grant, Hooker42 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.