Alert archive / Nebraska / Tornado Warnings in 2007

Tornado Warning 73, NWS North Platte, NE

July 13, 2007Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 13, 2007, 7:27 PM CDT for Lincoln County, Nebraska. It was in force for 33 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: Jul 13, 2007, 7:27 PM CDT (00:27 UTC)
Expired: Jul 13, 2007, 8:00 PM CDT
In force: 33 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 00:27 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

Time	Report	Where	Remark
Jul 13, 7:29 PM CDT	HAIL 1.75	Sutherland, NE
Jul 13, 7:50 PM CDT	HAIL 1.75	8 N Wallace, NE
Jul 13, 8:05 PM CDT	HAIL 1	Sutherland, NE	SUTHERLAND FIRE DEPARTMENT REPORTED AT LEAST 100 HOMES WITH MAJOR ROOF AND WINDOW DAMAGE. MAJOR CROP LOSSES REPORTED AS WELL. ASSESSMENT STILL ONGOING. WHETHER DAMAGE CAUSED BY HAIL, WIND, TORNADO, OR A COMBINATION UNKNOWN AT THIS TIME.

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

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 234 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3455 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 91 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 140028
TORLBF
NEC111-140100-
/O.NEW.KLBF.TO.W.0073.070714T0027Z-070714T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
727 PM CDT FRI JUL 13 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 800 PM CDT

* AT 716 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HERSHEY...
  OR ABOUT 15 MILES WEST OF NORTH PLATTE...MOVING SOUTH AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 25 MILE MARKER 90 BY 745 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

AT 720 PM...A BRIEF TORNADO FORMED NEAR THE POWER PLANT TWO MILES 
SOUTH OF SUTHERLAND AND BASEBALL SIZE HAIL HAS FALLEN THERE TOO.

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.

LAT...LON 4132 10102 4131 10113 4115 10124 4095 10124
      4095 10082 4116 10085

$$

CDC

1 follow-up statement

000 
WWUS53 KLBF 140047
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
746 PM CDT FRI JUL 13 2007

NEC111-140100-
/O.CON.KLBF.TO.W.0073.000000T0000Z-070714T0100Z/
LINCOLN NE-
746 PM CDT FRI JUL 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR WEST
CENTRAL LINCOLN COUNTY...

AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SUTHERLAND
RESERVOIR STATE RECREATION AREA...OR ABOUT 16 MILES WEST OF NORTH
PLATTE...MOVING SOUTH AT 20 MPH.

THE TORNADO WILL BE NEAR...
  HIGHWAY 25 MILE MARKER 90 BY 755 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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.

WORKERS AT THE SUTHERLAND POWER PLANT REPORTED A BRIEF TORNADO WITH 
THIS STORM.

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.

LAT...LON 4132 10102 4131 10113 4115 10124 4095 10124
      4095 10082 4116 10085

$$

CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:15 PM CDT	Tornado Warning	LBF	Lincoln	45 min
Jul 13, 7:59 PM CDT	Tornado Warning	LBF	Lincoln	46 min
Jul 13, 8:01 PM CDT	Severe Thunderstorm Warning	LBF	Hooker, McPherson	44 min
Jul 13, 8:23 PM CDT	Tornado Warning	LBF	Hayes	52 min
Jul 13, 8:46 PM CDT	Severe Thunderstorm Warning	LBF	McPherson	44 min
Jul 13, 9:29 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min

Nearby

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