Alert archive / Nebraska / Tornado Warnings in 2014

Tornado Warning 17, NWS North Platte, NE

June 18, 2014Deuel County, Keith County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 18, 2014, 9:31 PM MDT for Deuel County, Keith County, Nebraska. It was in force for 29 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 18, 2014, 9:31 PM MDT (03:31 UTC)
Expired
Jun 18, 2014, 10:00 PM MDT
In force
29 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Deuel County, NE, Keith County, NE

The radar

The North Platte radar (KLNX), 158 km from the middle of the area, began a volume at 03:33 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
Jun 18, 9:35 PM MDTTSTM WND DMGSe Big Springs, NE4 INCH TREE LIMBS DOWN.
Jun 18, 9:40 PM MDTHAIL 1.754 W Big Springs, NEWINDS ALSO ESTIMATED AT 40MPH
Jun 18, 9:40 PM MDTHAIL 24 W Big Springs, NEDELAYED REPORT FROM JUNE 18TH. WIND GUSTS OF 50 TO 60 MPH. HAIL UP TO 2 INCH DIAMETER. ONE HAIL STONE PENETRATED ALUMINUM SHEETING ATOP AN ASTRONOMICAL OBSERVATORY. SKY LIGHTS BROKEN OUT OF TRAVEL TRAILER. HOME ROOF DAMAGED. DIPOLE ANTENNA 40 FEET HIGH WAS BLO
Jun 18, 9:55 PM MDTHAIL 1.75Big Springs, NEWINDS ESTIMATED AT 50 TO 60 MPH

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, 3.5 hours before the alert went out and 125 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 2014-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1400 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 2014-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
1400 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2004 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

211 
WFUS53 KLBF 190331
TORLBF
NEC049-101-190400-
/O.NEW.KLBF.TO.W.0017.140619T0331Z-140619T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
931 PM MDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA...
  SOUTHWESTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 1000 PM MDT

* AT 929 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR JULESBURG...AND MOVING NORTH AT 25 MPH.

  HAZARD...TORNADO AND GOLF 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...
  BIG SPRINGS...BRULE...BARTON...GOLDENEYE STATE WILDLIFE MANAGEMENT
  AREA AND MEGEATH.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 94 AND 119.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4122 10226 4122 10207 4114 10179 4100 10192
      4101 10205 4099 10205 4100 10234
TIME...MOT...LOC 0331Z 199DEG 21KT 4100 10220

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

TAYLOR
2 follow-up statements
778 
WWUS53 KLBF 190340
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1040 PM CDT WED JUN 18 2014

NEC049-101-190400-
/O.CON.KLBF.TO.W.0017.000000T0000Z-140619T0400Z/
DEUEL NE-KEITH NE-
940 PM MDT WED JUN 18 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN KEITH AND
EASTERN DEUEL COUNTIES UNTIL 1000 PM MDT...

AT 938 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BIG SPRINGS...AND MOVING NORTH AT 25 MPH.

HAZARD...TORNADO AND GOLF 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...
BIG SPRINGS...BRULE AND MEGEATH.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 101 AND 120.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4100 10220 4122 10216 4122 10207 4114 10179
      4100 10192 4101 10205 4099 10205
TIME...MOT...LOC 0341Z 199DEG 21KT 4105 10210

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

TAYLOR
027 
WWUS53 KLBF 190400
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1100 PM CDT WED JUN 18 2014

NEC049-101-190410-
/O.EXP.KLBF.TO.W.0017.000000T0000Z-140619T0400Z/
DEUEL NE-KEITH NE-
1000 PM MDT WED JUN 18 2014

...THE TORNADO WARNING FOR SOUTHWESTERN KEITH AND EASTERN DEUEL
COUNTIES HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 4100 10220 4122 10216 4122 10207 4114 10179
      4100 10192 4101 10205 4099 10205
TIME...MOT...LOC 0340Z 199DEG 21KT 4104 10210

$$

TAYLOR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 6:41 PM MDTSevere Thunderstorm WarningLBFKeith49 min
Jun 18, 6:59 PM MDTSevere Thunderstorm WarningLBFLincoln46 min
Jun 18, 7:32 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan43 min
Jun 18, 7:46 PM MDTSevere Thunderstorm WarningLBFLincoln44 min
Jun 18, 8:15 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan45 min
Jun 18, 9:13 PM MDTSevere Thunderstorm WarningLBFKeith47 min
Jun 18, 9:25 PM MDTSevere Thunderstorm WarningLBFDeuel50 min
Jun 18, 9:34 PM MDTSevere Thunderstorm WarningLBFPerkins41 min
Jun 18, 9:58 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden, Keith47 min
Jun 18, 10:11 PM MDTSevere Thunderstorm WarningLBFLincoln, McPherson49 min
Jun 18, 10:30 PM MDTSevere Thunderstorm WarningLBFChase, Hayes, Lincoln, Perkins45 min
Jun 18, 10:40 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins50 min
Jun 18, 11:02 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan, McPherson43 min
Jun 18, 11:05 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes, Lincoln40 min
Jun 18, 11:18 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer, Lincoln, Logan, Loup, Thomas42 min
Jun 18, 11:37 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan53 min
Jun 18, 11:47 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan, McPherson, Thomas43 min
Jun 18, 11:57 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer, Logan, Thomas48 min
Jun 19, 12:03 AM MDTAreal Flood WarningLBFBlaine, Custer, Lincoln, Logan, Loup3 hr
Jun 19, 12:03 AM MDTSevere Thunderstorm WarningLBFCuster42 min
Jun 19, 1:57 AM MDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler63 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.