Alert archive / Nebraska / Tornado Warnings in 2007

Tornado Warning 2, NWS North Platte, NE

March 24, 2007Keith County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 24, 2007, 5:24 PM MDT for Keith County, Nebraska. It was in force for 36 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: Mar 24, 2007, 5:24 PM MDT (23:24 UTC)
Expired: Mar 24, 2007, 6:00 PM MDT
In force: 36 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Keith County, NE

The radar

The North Platte radar (KLNX), 124 km from the middle of the area, began a volume at 23:25 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.

Issued	Product	Office	Lasted
Mar 24, 5:15 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 90 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: 1024 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 116 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 242324
TORLBF
NEC101-250000-
/O.NEW.KLBF.TO.W.0002.070324T2324Z-070325T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
524 PM MDT SAT MAR 24 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL KEITH COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITY OF OGALLALA...

* UNTIL 600 PM MDT

* AT 521 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR OGALLALA...
  MOVING NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  6 MILES EAST OF LAKE VIEW CAMPGROUND BY 535 PM MDT...
  LEMOYNE BY 540 PM MDT...
  8 MILES EAST OF OTTER CREEK CAMPGROUND BY 545 PM MDT...

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

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 4106 10199 4114 10149 4125 10130 4137 10131
      4137 10197

$$

CDC

3 follow-up statements

000 
WWUS53 KLBF 242338
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
639 PM CDT SAT MAR 24 2007

NEC101-250000-
/O.CON.KLBF.TO.W.0002.000000T0000Z-070325T0000Z/
KEITH NE-
539 PM MDT SAT MAR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR KEITH
COUNTY...

AT 534 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HIGHWAY 61 MILE
MARKER 100...OR ABOUT NEAR OGALLALA...MOVING NORTH AT 25 MPH.

THE TORNADO WILL BE NEAR...
  LEMOYNE BY 545 PM MDT...
  7 MILES EAST OF OTTER CREEK CAMPGROUND BY 555 PM MDT...

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.

LAT...LON 4106 10199 4114 10149 4125 10130 4137 10131
      4137 10197

$$

CDC

000 
WWUS53 KLBF 242351
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
651 PM CDT SAT MAR 24 2007

NEC101-250000-
/O.CON.KLBF.TO.W.0002.000000T0000Z-070325T0000Z/
KEITH NE-
551 PM MDT SAT MAR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR KEITH
COUNTY...

AT 547 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HIGHWAY 61 MILE
MARKER 100...OR ABOUT 12 MILES NORTH OF OGALLALA...MOVING NORTH AT 20
MPH.

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.

LAT...LON 4106 10199 4114 10149 4125 10130 4137 10131
      4137 10197

$$

CDC

000 
WWUS53 KLBF 250000
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
658 PM CDT SAT MAR 24 2007

NEC101-250008-
/O.EXP.KLBF.TO.W.0002.000000T0000Z-070325T0000Z/
KEITH NE-
558 PM MDT SAT MAR 24 2007

...THE TORNADO WARNING FOR KEITH COUNTY EXPIRES AT 600 PM MDT...

THE STORM WHICH PROMPTED THE WARNING APPEARS TO HAVE WEAKENED 
SIGNIFICANTLY. THE TORNADO WARNING FOR KEITH COUNTY WILL BE ALLOWED 
TO EXPIRE.

LAT...LON 4106 10199 4114 10149 4125 10130 4137 10131
      4137 10197

$$

CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 24, 5:22 PM MDT	Tornado Warning	LBF	Hayes	23 min
Mar 24, 5:40 PM MDT	Tornado Warning	LBF	Deuel	35 min
Mar 24, 5:44 PM MDT	Tornado Warning	LBF	Hayes	46 min
Mar 24, 5:57 PM MDT	Tornado Warning	LBF	Garden	33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.