Alert archive / Nebraska / Tornado Warnings in 2007

Tornado Warning 92, NWS North Platte, NE

September 28, 2007Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Sep 28, 2007, 5:52 PM CDT for Lincoln County, Nebraska. It was in force for 53 min. 2 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
Sep 28, 2007, 5:52 PM CDT (22:52 UTC)
Expired
Sep 28, 2007, 6:45 PM CDT
In force
53 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 96 km from the middle of the area, began a volume at 22:55 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
Sep 28, 6:05 PM CDTHAIL 1.75Hershey, NE
Sep 28, 6:32 PM CDTHAIL 15 Ne Hershey, NE

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.9 hours before the alert went out and 28 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 12:00Z on 2007-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2007-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 322 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2279 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
322 m²/s²
0-3 km storm-relative helicity
517 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 282251
TORLBF
NEC111-282345-
/O.NEW.KLBF.TO.W.0092.070928T2252Z-070928T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
552 PM CDT FRI SEP 28 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITY OF NORTH PLATTE...

* UNTIL 645 PM CDT.

* AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
  SUTHERLAND RESERVOIR STATE RECREATION AREA...OR ABOUT 18 MILES
  SOUTHWEST OF NORTH PLATTE...MOVING NORTHEAST AT 5 MPH.

* THE TORNADO WILL BE NEAR...
  SUTHERLAND RESERVOIR STATE RECREATION AREA BY 605 PM CDT...
  8 MILES SOUTHEAST OF SUTHERLAND BY 615 PM CDT...
  HERSHEY BY 645 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.

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 100 AM CDT
SATURDAY MORNING FOR WESTERN NEBRASKA.

LAT...LON 4125 10083 4105 10065 4095 10113 4117 10122
TIME...MOT...LOC 2252Z 228DEG 8KT 4103 10108

$$

KECK
1 follow-up statement
000 
WWUS53 KLBF 282305
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
605 PM CDT FRI SEP 28 2007

NEC111-282345-
/O.CON.KLBF.TO.W.0092.000000T0000Z-070928T2345Z/
LINCOLN NE-
605 PM CDT FRI SEP 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR CENTRAL
LINCOLN COUNTY...

AT 600 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SUTHERLAND
RESERVOIR STATE RECREATION AREA...OR ABOUT 15 MILES WEST OF NORTH
PLATTE...MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  HERSHEY BY 615 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 100 AM CDT
SATURDAY MORNING FOR WESTERN NEBRASKA.

LAT...LON 4125 10083 4105 10065 4095 10113 4117 10122
TIME...MOT...LOC 2305Z 214DEG 17KT 4112 10104

$$

KECK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 4:00 AM CDTWind AdvisoryLBFBlaine, Boyd, Brown, Cherry, Holt, Hooker and 4 more15 hr
Sep 28, 4:45 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins30 min
Sep 28, 4:58 PM CDTSevere Thunderstorm WarningLBFLincoln17 min
Sep 28, 5:03 PM CDTSevere Thunderstorm WarningLBFChase, Hayes42 min
Sep 28, 5:27 PM CDTSevere Thunderstorm WarningLBFLincoln33 min
Sep 28, 5:41 PM CDTSevere Thunderstorm WarningLBFArthur, Keith34 min
Sep 28, 5:48 PM CDTSevere Thunderstorm WarningLBFChase, Hayes27 min
Sep 28, 6:01 PM CDTSevere Thunderstorm WarningLBFCuster44 min
Sep 28, 6:22 PM CDTSevere Thunderstorm WarningLBFLincoln38 min
Sep 28, 6:34 PM CDTSevere Thunderstorm WarningLBFLincoln41 min
Sep 28, 6:43 PM CDTSevere Thunderstorm WarningLBFCuster47 min
Sep 28, 6:51 PM CDTSevere Thunderstorm WarningLBFLincoln24 min

Nearby

Tornado Warnings in Nebraska, 2007Every tornado warning in 2007Tornadoes in 2007

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.