Alert archive / Nebraska / Tornado Warnings in 2007

Tornado Warning 13, NWS North Platte, NE

March 28, 2007Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 28, 2007, 7:43 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 47 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
Mar 28, 2007, 7:43 PM MDT (01:43 UTC)
Expired
Mar 28, 2007, 8:30 PM MDT
In force
47 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 151 km from the middle of the area, began a volume at 01:46 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
Mar 28, 7:44 PM MDTTORNADO9 Se Brule, NEINTERMITTENT TORNADO TOUCHDOWNS NEAR THE KEITH-PERKINS COUNTY LINE 3 MILES WEST OF HIGHWAY 61. NUMEROUS REPORTS THIS LOCATION.
Mar 28, 8:11 PM MDTTORNADO1 Sw Ogallala, NETORNADO ON GROUND ON SW EDGE OF OGALLALA. POWER FLASHES. BECAM RAIN WRAPPED AT 2116.

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 00:00Z, 1.7 hours before the alert went out and 108 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 2007-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1774 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 2007-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 square meters per square second.19395878Sfc1 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
1774 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
2.5
Supercell composite
10.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 290143
TORLBF
NEC101-135-290230-
/O.NEW.KLBF.TO.W.0013.070329T0143Z-070329T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
743 PM MDT WED MAR 28 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 830 PM MDT

* AT 741 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A LARGE AND EXTREMELY DANGEROUS TORNADO 4NW WILD HORSE SPRING...OR
  ABOUT 8 MILES NORTHWEST OF GRANT...MOVING NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  BRULE BY 805 PM MDT...
  7 MILES WEST OF OGALLALA BY 810 PM MDT...

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 4087 10200 4087 10167 4123 10170 4122 10205

$$

13
3 follow-up statements
000 
WWUS53 KLBF 290156
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
855 PM CDT WED MAR 28 2007

NEC101-135-290230-
/O.CON.KLBF.TO.W.0013.000000T0000Z-070329T0230Z/
PERKINS NE-KEITH NE-
755 PM MDT WED MAR 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR
SOUTHWESTERN KEITH AND NORTHWESTERN PERKINS COUNTIES...

AT 751 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED 6 MILES WEST OF HIGHWAY 61 MILE MARKER 80...OR 
ABOUT 12 MILES NORTHWEST OF GRANT OR VERY NEAR THE KEITH COUNTY 
LINE...MOVING NORTH AT 20 MPH .

THE TORNADO WILL BE NEAR...
  BRULE...INTERSTATE 80 MILE MARKER 120 AND 9 MILES WEST OF OGALLALA
  BY 810 PM MDT...
  HIGHWAY 26 MILE MARKER 140 BY 825 PM MDT...
  HIGHWAY 26 MILE MARKER 130 BY 830 PM MDT...

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 4087 10200 4087 10167 4123 10170 4122 10205

$$

13
000 
WWUS53 KLBF 290209
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
909 PM CDT WED MAR 28 2007

NEC135-290219-
/O.CAN.KLBF.TO.W.0013.000000T0000Z-070329T0230Z/
PERKINS NE-
809 PM MDT WED MAR 28 2007

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

LAT...LON 4102 10200 4102 10169 4123 10170 4122 10205

$$

NEC101-290230-
/O.CON.KLBF.TO.W.0013.000000T0000Z-070329T0230Z/
KEITH NE-
809 PM MDT WED MAR 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR WEST
CENTRAL KEITH COUNTY...

AT 806 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR INTERSTATE 80 MILE MARKER 120...OR ABOUT 8
MILES SOUTHWEST OF OGALLALA...MOVING NORTH AT 20 MPH.

THE TORNADO WILL BE NEAR...
  HIGHWAY 26 MILE MARKER 140 BY 825 PM MDT...
  6 MILES EAST OF HIGHWAY 26 MILE MARKER 130 BY 830 PM MDT...

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 4102 10200 4102 10169 4123 10170 4122 10205

$$

13
000 
WWUS53 KLBF 290220
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
920 PM CDT WED MAR 28 2007

NEC101-290230-
/O.CON.KLBF.TO.W.0013.000000T0000Z-070329T0230Z/
KEITH NE-
820 PM MDT WED MAR 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR
SOUTHWESTERN KEITH COUNTY...

AT 816 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED JUST TO THE SOUTHWEST OF OGALLALA...MOVING NORTH 
AT 20 MPH.

THE TORNADO WILL BE NEAR...
  RURAL CENTRAL KEITH COUNTY AT 830 PM MDT

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 4102 10200 4102 10169 4123 10170 4122 10205

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 6:00 PM MDTSevere Thunderstorm WarningLBFChase30 min
Mar 28, 6:10 PM MDTTornado WarningLBFCherry35 min
Mar 28, 6:25 PM MDTSevere Thunderstorm WarningLBFChase50 min
Mar 28, 6:26 PM MDTSevere Thunderstorm WarningLBFArthur, Keith49 min
Mar 28, 6:41 PM MDTTornado WarningLBFArthur, Keith49 min
Mar 28, 6:47 PM MDTTornado WarningLBFCherry28 min
Mar 28, 6:53 PM MDTTornado WarningLBFChase, Perkins52 min
Mar 28, 7:07 PM MDTTornado WarningLBFArthur, Garden38 min
Mar 28, 7:26 PM MDTTornado WarningLBFGrant34 min
Mar 28, 8:20 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan40 min
Mar 28, 8:23 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins52 min
Mar 28, 8:26 PM MDTTornado WarningLBFKeith18 min
Mar 28, 8:52 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, McPherson38 min
Mar 28, 8:56 PM MDTSevere Thunderstorm WarningLBFHayes49 min
Mar 28, 10:18 PM MDTFlash Flood WarningLBFChase, Hayes, Keith, Perkins6 hr

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.