Alert archive / Nebraska / Tornado Warnings in 2006

Tornado Warning 18, NWS North Platte, NE

August 10, 2006Custer County, Loup County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 10, 2006, 1:17 AM CDT for Custer County, Loup County, Nebraska. It was in force for 28 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
Aug 10, 2006, 1:17 AM CDT (06:17 UTC)
Expired
Aug 10, 2006, 1:45 AM CDT
In force
28 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Custer County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 100 km from the middle of the area, began a volume at 06:20 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
Aug 9, 11:58 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.3 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 00:00Z on 2006-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 2006-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
805 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2608 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 100617
TORLBF
NEC041-115-100645-
/O.NEW.KLBF.TO.W.0018.060810T0617Z-060810T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
117 AM CDT THU AUG 10 2006

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CUSTER COUNTY IN CENTRAL NEBRASKA...
  SOUTHEASTERN LOUP COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 145 AM CDT

* AT 115 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TAYLOR...
  MOVING EAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  KENT DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA BY 140 AM CDT...
  8 MILES SOUTH OF CALAMUS RESERVOIR STATE RECREATION AREA BY 145 AM
  CDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 500 AM CDT
THURSDAY MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4180 9952 4162 9948 4159 9924 4199 9923

$$

SPRINGER
2 follow-up statements
000 
WWUS53 KLBF 100632
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
133 AM CDT THU AUG 10 2006

NEC041-100643-
/O.CAN.KLBF.TO.W.0018.000000T0000Z-060810T0645Z/
CUSTER NE-
133 AM CDT THU AUG 10 2006

...THE TORNADO WARNING FOR CUSTER COUNTY IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
THURSDAY MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4196 9953 4178 9956 4177 9926 4199 9923

$$

NEC115-100645-
/O.CON.KLBF.TO.W.0018.000000T0000Z-060810T0645Z/
LOUP NE-
133 AM CDT THU AUG 10 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR CENTRAL
LOUP COUNTY...

AT 131 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES SOUTHEAST OF
HIGHWAY 183 MILE MARKER 130...OR ABOUT NEAR TAYLOR...MOVING EAST AT
10 MPH.

* THE TORNADO WILL BE NEAR...
  6 MILES SOUTH OF CALAMUS RESERVOIR STATE RECREATION AREA BY 145 AM
  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 500 AM CDT
THURSDAY MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4196 9953 4178 9956 4177 9926 4199 9923

$$

SPRINGER
000 
WWUS53 KLBF 100640
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
139 AM CDT THU AUG 10 2006

NEC115-100649-
/O.EXP.KLBF.TO.W.0018.000000T0000Z-060810T0645Z/
LOUP NE-
139 AM CDT THU AUG 10 2006

...THE TORNADO WARNING FOR CENTRAL LOUP COUNTY EXPIRES AT 145 AM
CDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT 
THURSDAY MORNING FOR NORTH CENTRAL NEBRASKA. THUNDERSTORMS AND 
POSSIBLY LARGE HAIL AND DAMAGING WIND COULD STILL DEVELOP UNTIL 
ABOUT 3 AM CDT.

LAT...LON 4196 9953 4178 9956 4177 9926 4199 9923

$$

SPRINGER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 7:44 PM CDTSevere Thunderstorm WarningLBFCherry61 min
Aug 9, 8:35 PM CDTSevere Thunderstorm WarningLBFCherry55 min
Aug 9, 9:27 PM CDTSevere Thunderstorm WarningLBFFrontier33 min
Aug 9, 9:58 PM CDTSevere Thunderstorm WarningLBFFrontier32 min
Aug 10, 12:39 AM CDTSevere Thunderstorm WarningLBFLoup66 min
Aug 10, 1:08 AM CDTSevere Thunderstorm WarningLBFWheeler39 min
Aug 10, 1:29 AM CDTSevere Thunderstorm WarningLBFGarfield61 min

Nearby

Tornado Warnings in Nebraska, 2006Every tornado warning in 2006Tornadoes in 2006

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.