Alert archive / Nebraska / Tornado Warnings in 2008

Tornado Warning 65, NWS North Platte, NE

June 23, 2008Grant County, Hooker County, McPherson County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 23, 2008, 11:12 PM MDT for Grant County, Hooker County, McPherson County, Nebraska. It was in force for 33 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 23, 2008, 11:12 PM MDT (05:12 UTC)
Expired
Jun 23, 2008, 11:45 PM MDT
In force
33 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

Counties Grant County, NE, Hooker County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 60 km from the middle of the area, began a volume at 04:59 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 23, 4:52 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.2 hours before the alert went out and 92 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 2008-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1839 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2008-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
1839 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.5
Supercell composite
9.9

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 240513
TORLBF
NEC075-091-117-240545-
/O.NEW.KLBF.TO.W.0065.080624T0512Z-080624T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1112 PM MDT MON JUN 23 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL GRANT COUNTY IN WEST CENTRAL NEBRASKA...
  SOUTHWESTERN HOOKER COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHWESTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 1145 PM MDT/1245 AM CDT/

* AT 1108 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A TORNADO 8 MILES NORTHWEST OF EAST CODY LAKE...OR 22
  MILES SOUTHWEST OF MULLEN...MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  EAST CODY LAKE BY 1135 PM MDT...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TUESDAY MORNING/100 AM CDT TUESDAY MORNING/ FOR WESTERN NEBRASKA.

LAT...LON 4181 10111 4169 10115 4164 10129 4184 10153
      4196 10140
TIME...MOT...LOC 0512Z 314DEG 16KT 4183 10138

$$

MASEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 6:00 PM MDTSevere Thunderstorm WarningLBFCherry45 min
Jun 23, 6:44 PM MDTSevere Thunderstorm WarningLBFCherry61 min
Jun 23, 6:58 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden47 min
Jun 23, 7:44 PM MDTSevere Thunderstorm WarningLBFCherry61 min
Jun 23, 7:49 PM MDTSevere Thunderstorm WarningLBFCherry, Grant, Sheridan56 min
Jun 23, 7:58 PM MDTTornado WarningLBFCherry47 min
Jun 23, 8:43 PM MDTTornado WarningLBFCherry47 min
Jun 23, 8:47 PM MDTSevere Thunderstorm WarningLBFCherry43 min
Jun 23, 9:10 PM MDTSevere Thunderstorm WarningLBFChase, Hayes35 min
Jun 23, 9:30 PM MDTSevere Thunderstorm WarningLBFCherry, Grant30 min
Jun 23, 9:42 PM MDTSevere Thunderstorm WarningLBFHayes63 min
Jun 23, 10:01 PM MDTSevere Thunderstorm WarningLBFCherry, Grant, Hooker29 min
Jun 23, 10:05 PM MDTSevere Thunderstorm WarningLBFLincoln40 min
Jun 23, 10:19 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes56 min
Jun 23, 10:30 PM MDTFlash Flood WarningLBFFrontier, Hayes, Lincoln6 hr
Jun 23, 10:31 PM MDTSevere Thunderstorm WarningLBFGrant, Hooker29 min
Jun 23, 10:41 PM MDTTornado WarningLBFGrant, Hooker34 min
Jun 23, 11:22 PM MDTTornado WarningLBFGrant, Hooker, McPherson23 min
Jun 23, 11:38 PM MDTSevere Thunderstorm WarningLBFLincoln34 min
Jun 23, 11:50 PM MDTSevere Thunderstorm WarningLBFCuster40 min

Nearby

Tornado Warnings in Nebraska, 2008Every tornado warning in 2008Tornadoes in 2008

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.