Alert archive / Nebraska / Tornado Warnings in 2012

Tornado Warning 16, NWS North Platte, NE

April 14, 2012Blaine County, Custer County, Loup County, Nebraska

NWS North Platte, NE issued this tornado warning at Apr 14, 2012, 7:41 PM CDT for Blaine County, Custer County, Loup County, Nebraska. It was in force for 34 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
Apr 14, 2012, 7:41 PM CDT (00:41 UTC)
Expired
Apr 14, 2012, 8:15 PM CDT
In force
34 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

Counties Blaine County, NE, Custer County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 77 km from the middle of the area, began a volume at 00:41 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.

What was reported inside it

TimeReportWhereRemark
Apr 14, 7:45 PM CDTFUNNEL CLOUD7 Ne Anselmo, NE
Apr 14, 7:45 PM CDTHAIL 2.757 Ne Anselmo, NEBASEBALL SIZED HAIL CAUSED EXTENSIVE DAMAGE TO WINDOWS AND SIDING.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 14, 2:33 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 280 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, Omaha, NE at 00:00Z on 2012-04-15Temperature 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, Omaha, NE at 00:00Z on 2012-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
276 m²/s²
0-3 km storm-relative helicity
483 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

215 
WFUS53 KLBF 150041
TORLBF
NEC009-041-115-150115-
/O.NEW.KLBF.TO.W.0016.120415T0041Z-120415T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
741 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BLAINE COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTH CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...
  WESTERN LOUP COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 815 PM CDT

* AT 736 PM CDT...THE PUBLIC REPORTED A TORNADO NORTH OF 
ANSELMO...OR 16   MILES SOUTH OF BREWSTER. DOPPLER RADAR SHOWED THIS 
TORNADO MOVING   NORTHEAST AT 40 MPH.  HAIL TO BASEBALL IN SIZE WILL 
BE POSSIBLE WITH THIS DANGEROUS STORM.

* LOCATIONS IMPACTED INCLUDE...
  ALMERIA MEADOW STATE WILDLIFE MANAGEMENT AREA...ALMERIA AND HIGHWAY
  91 MILE MARKER 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4205 9962 4175 9940 4160 9979 4174 9987
TIME...MOT...LOC 0040Z 230DEG 34KT 4175 9974

$$

JACOBS
2 follow-up statements
165 
WWUS53 KLBF 150053
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
753 PM CDT SAT APR 14 2012

NEC009-041-115-150115-
/O.CON.KLBF.TO.W.0016.000000T0000Z-120415T0115Z/
BLAINE NE-CUSTER NE-LOUP NE-
753 PM CDT SAT APR 14 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN LOUP...NORTH
CENTRAL CUSTER AND SOUTHEASTERN BLAINE COUNTIES UNTIL 815 PM CDT...

AT 750 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES WEST OF ALMERIA...OR 14 MILES WEST OF 
TAYLOR...MOVING NORTHEAST AT 40 MPH.  IN ADDITION...BASEBALL SIZE 
HAIL WAS REPORTED AT 727 PM CDT 4 MILES SOUTHWEST OF ANSELMO.

THIS DANGEROUS STORM WILL BE NEAR...
  ALMERIA AROUND 800 PM CDT.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

&&

LAT...LON 4177 9979 4205 9962 4175 9940 4164 9969
TIME...MOT...LOC 0052Z 230DEG 34KT 4182 9962

$$

JACOBS
126 
WWUS53 KLBF 150102
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
802 PM CDT SAT APR 14 2012

NEC009-041-150112-
/O.CAN.KLBF.TO.W.0016.000000T0000Z-120415T0115Z/
BLAINE NE-CUSTER NE-
802 PM CDT SAT APR 14 2012

...THE TORNADO WARNING FOR NORTH CENTRAL CUSTER AND SOUTHEASTERN
BLAINE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4174 9946 4174 9957 4187 9969 4205 9962
      4175 9940
TIME...MOT...LOC 0102Z 230DEG 34KT 4188 9952

$$

NEC115-150115-
/O.CON.KLBF.TO.W.0016.000000T0000Z-120415T0115Z/
LOUP NE-
802 PM CDT SAT APR 14 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN LOUP COUNTY UNTIL
815 PM CDT...

AT 759 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR ALMERIA...OR 11 MILES NORTHWEST OF TAYLOR...
MOVING NORTHEAST AT 40 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF WESTERN LOUP
COUNTY.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

&&

LAT...LON 4174 9946 4174 9957 4187 9969 4205 9962
      4175 9940
TIME...MOT...LOC 0102Z 230DEG 34KT 4188 9952

$$

JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:01 PM CDTTornado WarningLBFBlaine, Loup16 min
Apr 14, 7:05 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer40 min
Apr 14, 7:18 PM CDTSevere Thunderstorm WarningLBFLincoln42 min
Apr 14, 7:35 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan40 min
Apr 14, 8:07 PM CDTTornado WarningLBFGarfield, Holt, Loup, Rock25 min
Apr 14, 8:13 PM CDTSevere Thunderstorm WarningLBFCuster47 min
Apr 14, 8:15 PM CDTSevere Thunderstorm WarningLBFCuster33 min
Apr 14, 8:29 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Loup, Rock, Wheeler46 min
Apr 14, 8:39 PM CDTSevere Thunderstorm WarningLBFCuster, Garfield, Loup51 min
Apr 14, 8:47 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, McPherson43 min
Apr 14, 9:32 PM CDTSevere Thunderstorm WarningLBFCuster43 min
Apr 14, 11:18 PM CDTRiver Flood WarningLBFLincoln21 hr
Apr 15, 3:59 PM CDTHigh Wind WarningLBFBlaine, Boyd, Brown, Cherry, Custer, Garfield and 6 more6 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.