Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 9, NWS North Platte, NE

June 17, 2014Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 17, 2014, 4:41 PM MDT for Cherry County, Nebraska. It was in force for 34 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
Jun 17, 2014, 4:41 PM MDT (22:41 UTC)
Expired
Jun 17, 2014, 5:15 PM MDT
In force
34 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Observed
Hail
1.5 in

County Cherry County, NE

The radar

The North Platte radar (KLNX), 152 km from the middle of the area, began a volume at 22:44 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.

IssuedProductOfficeLasted
Jun 17, 3:53 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 10.7 hours before the alert went out and 150 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, Rapid City, SD at 12:00Z on 2014-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2446 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2014-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2446 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

908 
WFUS53 KLBF 172241
TORLBF
NEC031-172315-
/O.NEW.KLBF.TO.W.0009.140617T2241Z-140617T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
441 PM MDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 515 PM MDT

* AT 439 PM MDT...A CONFIRMED TORNADO WAS LOCATED 12 MILES WEST OF
  MERRIMAN...AND WAS NEARLY STATIONARY.

  HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...RADAR CONFIRMED TORNADO.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN CHERRY
  COUNTY.

THIS INCLUDES HIGHWAY 20 BETWEEN MILE MARKERS 127 AND 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4288 10178 4288 10203 4300 10204 4301 10177
      4300 10177
TIME...MOT...LOC 2242Z 203DEG 1KT 4293 10194

TORNADO...OBSERVED
HAIL...1.50IN

$$

POWER
2 follow-up statements
353 
WWUS53 KLBF 172258
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
458 PM MDT TUE JUN 17 2014

NEC031-172315-
/O.CON.KLBF.TO.W.0009.000000T0000Z-140617T2315Z/
CHERRY NE-
458 PM MDT TUE JUN 17 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN CHERRY COUNTY
UNTIL 515 PM MDT...

AT 453 PM MDT...A CONFIRMED TORNADO WAS LOCATED 12 MILES WEST OF
MERRIMAN...AND WAS NEARLY STATIONARY.

HAZARD...DAMAGING TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHWESTERN CHERRY COUNTY.

THIS INCLUDES HIGHWAY 20 BETWEEN MILE MARKERS 127 AND 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4288 10178 4288 10203 4300 10204 4301 10177
      4300 10177
TIME...MOT...LOC 2258Z 203DEG 1KT 4293 10194

TORNADO...OBSERVED
HAIL...<.75IN

$$

POWER
903 
WWUS53 KLBF 172312
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
612 PM CDT TUE JUN 17 2014

NEC031-172322-
/O.EXP.KLBF.TO.W.0009.000000T0000Z-140617T2315Z/
CHERRY NE-
512 PM MDT TUE JUN 17 2014

...THE TORNADO WARNING FOR NORTHWESTERN CHERRY COUNTY WILL EXPIRE AT
615 PM CDT/515 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM MDT.

LAT...LON 4288 10178 4288 10203 4300 10204 4301 10177
      4300 10177
TIME...MOT...LOC 2312Z 203DEG 1KT 4293 10194

$$

POWER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:12 PM MDTTornado Warning Tornado observedLBFGarfield33 min
Jun 16, 6:27 PM MDTSevere Thunderstorm WarningLBFHolt48 min
Jun 16, 6:37 PM MDTSevere Thunderstorm WarningLBFBoyd, Keya Paha38 min
Jun 16, 6:42 PM MDTTornado Warning Tornado observedLBFGarfield, Wheeler33 min
Jun 16, 6:54 PM MDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler51 min
Jun 16, 7:14 PM MDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler46 min
Jun 16, 7:16 PM MDTSevere Thunderstorm WarningLBFBoyd44 min
Jun 16, 8:02 PM MDTSevere Thunderstorm WarningLBFGarfield, Holt43 min
Jun 17, 4:18 PM MDTSevere Thunderstorm WarningLBFCherry42 min
Jun 17, 4:20 PM MDTSevere Thunderstorm WarningLBFCherry40 min
Jun 17, 4:48 PM MDTTornado WarningLBFCherry27 min
Jun 17, 5:14 PM MDTSevere Thunderstorm WarningLBFCherry46 min
Jun 17, 5:29 PM MDTTornado Warning Tornado observedLBFCherry31 min
Jun 17, 5:56 PM MDTTornado Warning Tornado observedLBFCherry34 min

Nearby

Tornado Warnings in Nebraska, 2014Every tornado warning in 2014Tornadoes in 2014

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.