Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 37, NWS North Platte, NE

June 15, 2009Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 15, 2009, 7:43 PM CDT for Lincoln County, Nebraska. It was in force for 47 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 15, 2009, 7:43 PM CDT (00:43 UTC)
Expired
Jun 15, 2009, 8:30 PM CDT
In force
47 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 113 km from the middle of the area, began a volume at 00:46 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 15, 3:34 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 21 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 00:00Z on 2009-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2193 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 00:00Z on 2009-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.193958Sfc1 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
2193 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
-0.3
Supercell composite
-1.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 160043
TORLBF
NEC111-160130-
/O.NEW.KLBF.TO.W.0037.090616T0043Z-090616T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
743 PM CDT MON JUN 15 2009

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 830 PM CDT

* AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHEAST OF LAKE MALONEY STATE RECREATION AREA...OR 12 MILES SOUTH
  OF NORTH PLATTE...MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  7 MILES SOUTHWEST OF COTTONWOOD CANYON STATE WILDLIFE MANAGEMENT
  AREA BY 805 PM CDT...
  7 MILES SOUTHWEST OF JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA
  BY 830 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWESTERN NEBRASKA.

&&

LAT...LON 4095 10035 4075 10051 4097 10083 4108 10073
TIME...MOT...LOC 0043Z 301DEG 15KT 4096 10070

$$

13
1 follow-up statement
000 
WWUS53 KLBF 160054
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
754 PM CDT MON JUN 15 2009

NEC111-160130-
/O.CON.KLBF.TO.W.0037.000000T0000Z-090616T0130Z/
LINCOLN NE-
754 PM CDT MON JUN 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
LINCOLN COUNTY...

AT 751 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 8 MILES SOUTHWEST OF
COTTONWOOD CANYON STATE WILDLIFE MANAGEMENT AREA...OR 15 MILES
SOUTHEAST OF NORTH PLATTE...MOVING SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  7 MILES SOUTHWEST OF COTTONWOOD CANYON STATE WILDLIFE MANAGEMENT
  AREA BY 800 PM CDT...
  8 MILES SOUTHWEST OF JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA
  BY 820 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWESTERN NEBRASKA.

&&

LAT...LON 4096 10075 4106 10071 4095 10035 4075 10051
TIME...MOT...LOC 0054Z 304DEG 18KT 4093 10064

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:02 PM CDTSevere Thunderstorm WarningLBFSheridan58 min
Jun 15, 7:09 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry, Keya Paha66 min
Jun 15, 7:26 PM CDTSevere Thunderstorm WarningLBFChase49 min
Jun 15, 7:28 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer47 min
Jun 15, 7:43 PM CDTSevere Thunderstorm WarningLBFBlaine, Logan, Thomas62 min
Jun 15, 7:51 PM CDTSevere Thunderstorm WarningLBFChase39 min
Jun 15, 7:58 PM CDTSevere Thunderstorm WarningLBFCherry, Sheridan22 min
Jun 15, 8:04 PM CDTSevere Thunderstorm WarningLBFBrown56 min
Jun 15, 8:04 PM CDTSevere Thunderstorm WarningLBFHayes41 min
Jun 15, 8:12 PM CDTSevere Thunderstorm WarningLBFArthur, Grant33 min
Jun 15, 8:19 PM CDTSevere Thunderstorm WarningLBFCuster26 min
Jun 15, 8:29 PM CDTTornado WarningLBFFrontier, Lincoln46 min
Jun 15, 8:41 PM CDTSevere Thunderstorm WarningLBFHooker, Thomas50 min
Jun 15, 8:42 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Loup63 min
Jun 15, 8:46 PM CDTSevere Thunderstorm WarningLBFBrown, Rock32 min
Jun 15, 8:51 PM CDTSevere Thunderstorm WarningLBFCuster39 min
Jun 15, 9:07 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes, Lincoln38 min
Jun 15, 9:29 PM CDTSevere Thunderstorm WarningLBFCuster46 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.