Alert archive / Nebraska / Tornado Warnings in 2008

Tornado Warning 52, NWS North Platte, NE

June 7, 2008Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 7, 2008, 11:25 PM CDT for Custer County, Nebraska. It was in force for 35 min. 3 reports 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
Jun 7, 2008, 11:25 PM CDT (04:25 UTC)
Expired
Jun 8, 2008, 12:00 AM CDT
In force
35 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Custer County, NE

The radar

The North Platte radar (KLNX), 117 km from the middle of the area, began a volume at 04:28 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
Jun 7, 11:28 PM CDTHAIL 1.252 S Broken Bow, NE
Jun 7, 11:50 PM CDTHAIL 0.882 Ese Berwyn, NE
Jun 8, 12:05 AM CDTHAIL 0.882 Ne Ansley, 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
Jun 7, 11:11 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.4 hours before the alert went out and 111 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 2008-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 2008-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939587897Sfc1 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
23 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
1577 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
254 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 080425
TORLBF
NEC041-080500-
/O.NEW.KLBF.TO.W.0052.080608T0425Z-080608T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1125 PM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...
  THIS INCLUDES THE CITY OF BROKEN BOW...

* UNTIL MIDNIGHT CDT

* AT 1123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BERWYN...OR
  7 MILES SOUTHEAST OF BROKEN BOW...MOVING NORTHEAST AT 46 MPH.

* THE TORNADO WILL BE NEAR...
  WESTERVILLE AND 6 MILES SOUTHEAST OF WEISSERT BY 1135 PM CDT...
  ARCADIA DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA AND 7 MILES
  SOUTHEAST OF COMSTOCK BY 1150 PM CDT...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT SUNDAY
MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4123 9961 4144 9971 4170 9921 4164 9920
      4163 9920 4142 9920 4139 9919 4136 9919
TIME...MOT...LOC 0425Z 245DEG 40KT 4134 9952

$$

13
3 follow-up statements
000 
WWUS53 KLBF 080433
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1133 PM CDT SAT JUN 7 2008

NEC041-080500-
/O.CON.KLBF.TO.W.0052.000000T0000Z-080608T0500Z/
CUSTER NE-
1133 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR EAST
CENTRAL CUSTER COUNTY...

AT 1128 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BERWYN...OR 9
MILES SOUTHEAST OF BROKEN BOW...MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  WESTERVILLE BY 1140 PM CDT...
  ARCADIA DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA AND 8 MILES
  SOUTHEAST OF COMSTOCK BY 1150 PM 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT SUNDAY
MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4123 9961 4124 9962 4135 9966 4138 9969
      4141 9970 4167 9922 4161 9921 4139 9921
      4136 9920
TIME...MOT...LOC 0433Z 245DEG 40KT 4138 9941

$$

13
000 
WWUS53 KLBF 080446
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1145 PM CDT SAT JUN 7 2008

NEC041-080500-
/O.CON.KLBF.TO.W.0052.000000T0000Z-080608T0500Z/
CUSTER NE-
1145 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR EAST
CENTRAL CUSTER COUNTY...

AT 1141 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WESTERVILLE...OR
17 MILES EAST OF BROKEN BOW...MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  ARCADIA DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA BY 1150 PM
  CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT SUNDAY
MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4136 9920 4131 9946 4146 9943 4153 9922
      4152 9921 4150 9921 4149 9921 4145 9922
TIME...MOT...LOC 0445Z 256DEG 37KT 4140 9925

$$

13
000 
WWUS53 KLBF 080458
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1157 PM CDT SAT JUN 7 2008

NEC041-080507-
/O.EXP.KLBF.TO.W.0052.000000T0000Z-080608T0500Z/
CUSTER NE-
1157 PM CDT SAT JUN 7 2008

...THE TORNADO WARNING FOR EAST CENTRAL CUSTER COUNTY WILL EXPIRE AT 
MIDNIGHT CDT...

THE STORM WHICH HAD PROMPTED THE WARNING HAS MOVED OUT OF THE 
COUNTY. ADDITIONAL STRONG THUNDERSTORMS WILL CONTINUE TO MOVE 
EASTWARD THROUGH SOUTHEAST CUSTER COUNTY THROUGH 100 AM CDT. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT SUNDAY
MORNING FOR NORTH CENTRAL NEBRASKA.

LAT...LON 4136 9920 4131 9946 4146 9943 4153 9922
      4152 9921 4150 9921 4149 9921 4145 9922
TIME...MOT...LOC 0457Z 256DEG 37KT 4143 9909

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 9:38 PM CDTSevere Thunderstorm WarningLBFWheeler52 min
Jun 7, 10:22 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler38 min
Jun 7, 10:45 PM CDTSevere Thunderstorm WarningLBFCuster30 min
Jun 7, 10:55 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Lincoln, Logan50 min
Jun 7, 11:00 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler45 min
Jun 7, 11:16 PM CDTSevere Thunderstorm WarningLBFCuster44 min
Jun 7, 11:59 PM CDTSevere Thunderstorm WarningLBFCuster31 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.