Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 12, NWS North Platte, NE

June 17, 2014Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 17, 2014, 5:56 PM MDT for Cherry County, Nebraska. It was in force for 34 min. 4 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: Jun 17, 2014, 5:56 PM MDT (23:56 UTC)
Expired: Jun 17, 2014, 6:30 PM MDT
In force: 34 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 2.75 in

County Cherry County, NE

The radar

The North Platte radar (KLNX), 97 km from the middle of the area, began a volume at 23:59 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

Time	Report	Where	Remark
Jun 17, 6:00 PM MDT	TORNADO	25 N Whitman, NE	FIRST TORNADO SIGHTED...APPROXIMATELY 1/4 MILE WIDE. LOCATION IS JUST SOUTHEAST OF ROUND LAKE.
Jun 17, 6:10 PM MDT	TORNADO	25 N Whitman, NE	2ND TORNADO TOPPED TREES ON PROPERTY AND SOME LARGE TREE BRANCHES WERE DOWNED...JUST SOUTHEAST OF ROUND LAKE.
Jun 17, 6:15 PM MDT	HAIL 1.75	23 N Whitman, NE
Jun 17, 6:15 PM MDT	TORNADO	25 N Whitman, NE	2 TO 3 SEPARATE TORNADOES WERE SPOTTED ABOUT 5 MILES WEST OF THIS LOCATION. REPORTED AS SEPARATE DISTINCT TORNADOES.

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.

Issued	Product	Office	Lasted
Jun 17, 3:53 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.9 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2516 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 938 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

933 
WFUS53 KLBF 172356
TORLBF
NEC031-180030-
/O.NEW.KLBF.TO.W.0012.140617T2356Z-140618T0030Z/

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 630 PM MDT

* AT 554 PM MDT...A CONFIRMED TORNADO WAS LOCATED 28 MILES NORTH OF
  WHITMAN...AND MOVING SOUTHEAST AT 10 MPH.

  HAZARD...DAMAGING TORNADO AND BASEBALL SIZE HAIL.

  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.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF WEST CENTRAL CHERRY
  COUNTY...INCLUDING THE FOLLOWING LOCATIONS...ROUND LAKE.

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 4241 10147 4231 10162 4243 10171 4248 10164
TIME...MOT...LOC 2356Z 315DEG 8KT 4244 10165

TORNADO...OBSERVED
HAIL...2.75IN

$$

JACOBS

1 follow-up statement

493 
WWUS53 KLBF 180007
SVSLBF

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

NEC031-180030-
/O.CON.KLBF.TO.W.0012.000000T0000Z-140618T0030Z/
CHERRY NE-
607 PM MDT TUE JUN 17 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL CHERRY COUNTY
UNTIL 630 PM MDT...

AT 603 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 26 MILES NORTH OF WHITMAN...AND MOVING SOUTHEAST AT 10
MPH.

HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

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...
ROUND LAKE.

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.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A 
BASEMENT OR STORM SHELTER NOW!  THIS STORM HAS ALSO PRODUCED 
EXTREMELY LARGE HAIL TO THE SIZE OF SOFTBALLS.

&&

LAT...LON 4242 10167 4247 10162 4241 10147 4231 10162
TIME...MOT...LOC 0007Z 315DEG 8KT 4241 10160

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

JACOBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 6:12 PM MDT	Tornado Warning Tornado observed	LBF	Garfield	33 min
Jun 16, 6:27 PM MDT	Severe Thunderstorm Warning	LBF	Holt	48 min
Jun 16, 6:37 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Keya Paha	38 min
Jun 16, 6:42 PM MDT	Tornado Warning Tornado observed	LBF	Garfield, Wheeler	33 min
Jun 16, 6:54 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	51 min
Jun 16, 7:14 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	46 min
Jun 16, 7:16 PM MDT	Severe Thunderstorm Warning	LBF	Boyd	44 min
Jun 16, 8:02 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	43 min
Jun 17, 4:18 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	42 min
Jun 17, 4:20 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	40 min
Jun 17, 4:41 PM MDT	Tornado Warning Tornado observed	LBF	Cherry	34 min
Jun 17, 4:48 PM MDT	Tornado Warning	LBF	Cherry	27 min
Jun 17, 5:14 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
Jun 17, 5:29 PM MDT	Tornado Warning Tornado observed	LBF	Cherry	31 min

Nearby

Tornado Warnings in Nebraska, 2014 Every tornado warning in 2014 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.