Alert archive / Nebraska / Tornado Warnings in 2007

Tornado Warning 46, NWS North Platte, NE

May 27, 2007Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this tornado warning at May 27, 2007, 3:42 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 33 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
May 27, 2007, 3:42 PM MDT (21:42 UTC)
Expired
May 27, 2007, 4:15 PM MDT
In force
33 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Deuel County, NE, Garden County, NE

The radar

The North Platte radar (KLNX), 177 km from the middle of the area, began a volume at 21:41 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 156 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 2007-05-27Temperature 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 2007-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.1939Sfc1 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
723 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
368 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 272142
TORLBF
NEC049-069-272215-
/O.NEW.KLBF.TO.W.0046.070527T2142Z-070527T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
342 PM MDT SUN MAY 27 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA...
  THIS INCLUDES THE CITY OF CHAPPELL...
  SOUTH CENTRAL GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 415 PM MDT

* AT 341 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 8 MILES
  NORTH OF CHAPPELL...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  CHAPPELL BY 355 PM MDT...

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.

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 4135 10260 4101 10260 4101 10229 4136 10221

$$

POWER
1 follow-up statement
000 
WWUS53 KLBF 272157
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
456 PM CDT SUN MAY 27 2007

NEC049-069-272215-
/O.CON.KLBF.TO.W.0046.000000T0000Z-070527T2215Z/
DEUEL NE-GARDEN NE-
356 PM MDT SUN MAY 27 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR SOUTH
CENTRAL GARDEN AND WESTERN DEUEL COUNTIES...

AT 352 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED 7 MILES NORTH OF INTERSTATE 80 MILE MARKER 80...
OR ABOUT 9 MILES NORTHWEST OF CHAPPELL...MOVING SOUTH AT 5 MPH.

THE TORNADO WILL BE NEAR...
  INTERSTATE 80 MILE MARKER 80 AND 6 MILES NORTHWEST OF CHAPPELL BY
  415 PM MDT...

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.

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 4135 10260 4101 10260 4101 10229 4136 10221

$$

POWER

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 2:11 PM MDTSevere Thunderstorm WarningLBFChase, Perkins34 min
May 27, 2:35 PM MDTSevere Thunderstorm WarningLBFChase55 min
May 27, 2:45 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins45 min
May 27, 3:13 PM MDTSevere Thunderstorm WarningLBFGarden62 min
May 27, 3:29 PM MDTSevere Thunderstorm WarningLBFKeith31 min
May 27, 3:46 PM MDTSevere Thunderstorm WarningLBFChase59 min
May 27, 4:15 PM MDTTornado WarningLBFDeuel, Garden45 min
May 27, 4:30 PM MDTSevere Thunderstorm WarningLBFLincoln45 min
May 27, 4:45 PM MDTSevere Thunderstorm WarningLBFChase36 min
May 27, 4:54 PM MDTSevere Thunderstorm WarningLBFSheridan66 min
May 27, 5:06 PM MDTSevere Thunderstorm WarningLBFLincoln39 min
May 27, 5:26 PM MDTSevere Thunderstorm WarningLBFHayes34 min
May 27, 5:59 PM MDTSevere Thunderstorm WarningLBFSheridan61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.