Alert archive / Nebraska / Tornado Warnings in 2008

Tornado Warning 9, NWS North Platte, NE

May 6, 2008Frontier County, Nebraska

NWS North Platte, NE issued this tornado warning at May 6, 2008, 7:30 PM CDT for Frontier County, Nebraska. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 6, 2008, 7:30 PM CDT (00:30 UTC)
Expired
May 6, 2008, 8:15 PM CDT
In force
45 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 149 km from the middle of the area, began a volume at 00:33 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.

What was reported inside it

TimeReportWhereRemark
May 6, 7:32 PM CDTFUNNEL CLOUD6 S Stockville, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
May 6, 2:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 88 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 2008-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
3 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
2909 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
93 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 070030
TORLBF
NEC063-070115-
/O.NEW.KLBF.TO.W.0009.080507T0030Z-080507T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
730 PM CDT TUE MAY 6 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 815 PM CDT

* AT 725 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
  STOCKVILLE...OR 15 MILES SOUTHEAST OF CURTIS...MOVING EAST AT 27
  MPH.

* THE TORNADO WILL BE NEAR...
  MEDICINE CREEK RESERVOIR STATE RECREATION AREA BY 740 PM CDT...

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 1000 PM CDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4033 10033 4044 10066 4060 10031 4046 9996
      4043 9999 4042 10007 4035 10008 4033 10010
      4033 10018 4032 10019
TIME...MOT...LOC 0030Z 291DEG 24KT 4044 10032

$$

13
2 follow-up statements
000 
WWUS53 KLBF 070036
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
736 PM CDT TUE MAY 6 2008

NEC063-070115-
/O.CON.KLBF.TO.W.0009.000000T0000Z-080507T0115Z/
FRONTIER NE-
736 PM CDT TUE MAY 6 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTHERN
FRONTIER COUNTY...

AT 734 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 
THIS FUNNEL CLOUD WAS LOCATED NEAR MEDICINE CREEK RESERVOIR STATE 
RECREATION AREA...OR AROUND 6 MILES SOUTH OF STOCKVILLE...MOVING  
EAST AT 26 MPH.

THE TORNADO WILL BE NEAR...
  MEDICINE CREEK DAM AT 750 PM CDT

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 1000 PM CDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4033 10033 4044 10066 4060 10031 4046 9996
      4043 9999 4042 10007 4035 10008 4033 10010
      4033 10018 4032 10019
TIME...MOT...LOC 0036Z 292DEG 23KT 4043 10028

$$

13
000 
WWUS53 KLBF 070114
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
814 PM CDT TUE MAY 6 2008

NEC063-070124-
/O.EXP.KLBF.TO.W.0009.000000T0000Z-080507T0115Z/
FRONTIER NE-
814 PM CDT TUE MAY 6 2008

...THE TORNADO WARNING FOR SOUTHERN FRONTIER COUNTY WILL EXPIRE AT
815 PM CDT/715 PM MDT/...

THE THUNDERSTORM THAT PROMPTED THE WARNING IS EXITING THE COUNTY 
WITH THE WARNING TO EXPIRE AT 815 PM CDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
TUESDAY EVENING FOR WESTERN NEBRASKA.

LAT...LON 4033 10033 4044 10066 4060 10031 4046 9996
      4043 9999 4042 10007 4035 10008 4033 10010
      4033 10018 4032 10019
TIME...MOT...LOC 0114Z 292DEG 23KT 4034 9998

$$

KECK

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:02 PM CDTTornado WarningLBFFrontier28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.