Alert archive / Nebraska / Tornado Warnings in 2012

Tornado Warning 4, NWS North Platte, NE

March 18, 2012Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 18, 2012, 8:43 PM MDT for Cherry County, Nebraska. It was in force for 32 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 18, 2012, 8:43 PM MDT (02:43 UTC)
Expired
Mar 18, 2012, 9:15 PM MDT
In force
32 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Cherry County, NE

The radar

The North Platte radar (KLNX), 92 km from the middle of the area, began a volume at 02:43 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 18, 9:06 PM MDTHAIL 1.754 W Valentine, NE
Mar 18, 9:19 PM MDTTORNADO6 N Valentine, NEPUBLIC REPORTED A TORNADO LIFTING UP AND DROPPING DOWN NEAR HIGHWAY 83

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, 2.7 hours before the alert went out and 184 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 2012-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1047 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 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897Sfc1 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
1047 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1861 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.1
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

242 
WFUS53 KLBF 190243
TORLBF
NEC031-190315-
/O.NEW.KLBF.TO.W.0004.120319T0243Z-120319T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
943 PM CDT SUN MAR 18 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 1015 PM CDT/915 PM MDT/

* AT 838 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES WEST OF VALENTINE NATIONAL WILDLIFE
  REFUGE...OR 28 MILES SOUTHWEST OF VALENTINE...AND MOVING NORTH AT
  55 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT AREA AROUND 955 PM CDT.
  HIGHWAY 97 CROSSING THE NIOBRARA RIVER AROUND 1000 PM CDT.
  CROOKSTON AND VALENTINE AROUND 1010 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 220.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4298 10087 4296 10034 4248 10073 4249 10090
TIME...MOT...LOC 0243Z 195DEG 46KT 4258 10077

$$

CDC
4 follow-up statements
927 
WWUS53 KLBF 190252
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
952 PM CDT SUN MAR 18 2012

NEC031-190315-
/O.CON.KLBF.TO.W.0004.000000T0000Z-120319T0315Z/
CHERRY NE-
952 PM CDT SUN MAR 18 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CHERRY
COUNTY UNTIL 1015 PM CDT/915 PM MDT/...

AT 947 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES WEST OF BIG ALKALI LAKE STATE WILDLIFE
MANAGEMENT AREA...OR 20 MILES SOUTHWEST OF VALENTINE...MOVING NORTH
AT 55 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  HIGHWAY 97 CROSSING THE NIOBRARA RIVER AROUND 1005 PM CDT.
  VALENTINE AROUND 1010 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 220.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4256 10067 4261 10089 4298 10087 4296 10034
TIME...MOT...LOC 0252Z 197DEG 46KT 4269 10071

$$

CDC
264 
WWUS53 KLBF 190254
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
954 PM CDT SUN MAR 18 2012

NEC031-190315-
/O.CON.KLBF.TO.W.0004.000000T0000Z-120319T0315Z/
CHERRY NE-
954 PM CDT SUN MAR 18 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CHERRY
COUNTY UNTIL 1015 PM CDT/915 PM MDT/...

AT 952 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTHWEST OF SCHLAGEL CREEK STATE WILDLIFE
MANAGEMENT AREA...OR 15 MILES SOUTHWEST OF VALENTINE...MOVING NORTH
AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  HIGHWAY 97 CROSSING THE NIOBRARA RIVER AROUND 1005 PM CDT.
  VALENTINE AROUND 1010 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 220.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4260 10064 4266 10085 4298 10087 4296 10034
TIME...MOT...LOC 0254Z 199DEG 43KT 4270 10069

$$

CDC
938 
WWUS53 KLBF 190301
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1001 PM CDT SUN MAR 18 2012

NEC031-190315-
/O.CON.KLBF.TO.W.0004.000000T0000Z-120319T0315Z/
CHERRY NE-
1001 PM CDT SUN MAR 18 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN CHERRY COUNTY
UNTIL 1015 PM CDT/915 PM MDT/...

AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SCHLAGEL CREEK STATE WILDLIFE MANAGEMENT
AREA...OR 12 MILES SOUTHWEST OF VALENTINE...MOVING NORTH AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  VALENTINE AROUND 1010 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 220.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4266 10059 4273 10085 4298 10087 4296 10034
TIME...MOT...LOC 0301Z 199DEG 41KT 4276 10066

$$

CDC
179 
WWUS53 KLBF 190305
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1005 PM CDT SUN MAR 18 2012

NEC031-190315-
/O.CON.KLBF.TO.W.0004.000000T0000Z-120319T0315Z/
CHERRY NE-
1005 PM CDT SUN MAR 18 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN CHERRY COUNTY
UNTIL 1015 PM CDT/915 PM MDT/...

AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HIGHWAY 97 CROSSING THE NIOBRARA RIVER...OR 8
MILES SOUTHWEST OF VALENTINE...MOVING NORTH AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  VALENTINE AROUND 1010 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 83
MILE MARKER 220.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4266 10059 4273 10085 4298 10087 4296 10034
TIME...MOT...LOC 0305Z 200DEG 44KT 4283 10061

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 6:06 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins39 min
Mar 18, 6:38 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson52 min
Mar 18, 6:53 PM MDTSevere Thunderstorm WarningLBFHayes, Lincoln52 min
Mar 18, 7:05 PM MDTSevere Thunderstorm WarningLBFCherry, Hooker, McPherson40 min
Mar 18, 7:42 PM MDTSevere Thunderstorm WarningLBFLincoln48 min
Mar 18, 8:04 PM MDTTornado WarningLBFLincoln26 min
Mar 18, 8:28 PM MDTTornado WarningLBFLincoln, Logan, McPherson32 min
Mar 18, 8:32 PM MDTSevere Thunderstorm WarningLBFCherry21 min
Mar 18, 9:05 PM MDTSevere Thunderstorm WarningLBFCherry, Logan, Thomas40 min
Mar 18, 9:14 PM MDTTornado WarningLBFCherry16 min
Mar 19, 3:19 AM MDTRed Flag WarningLBFArthur, Cherry, Deuel, Garden, Grant, Keith and 1 more15 hr

Nearby

Tornado Warnings in Nebraska, 2012Every tornado warning in 2012Tornadoes in 2012

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.