Alert archive / Nebraska / Tornado Warnings in 2018

Tornado Warning 4, NWS North Platte, NE

June 17, 2018Deuel County, Keith County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 17, 2018, 2:30 PM MDT for Deuel County, Keith County, Nebraska. It was in force for 45 min. 15 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, 2018, 2:30 PM MDT (20:30 UTC)
Expired: Jun 17, 2018, 3:15 PM MDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

Counties Deuel County, NE, Keith County, NE

The radar

The North Platte radar (KLNX), 151 km from the middle of the area, began a volume at 20:33 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

Time	Report	Where	Remark
Jun 17, 2:34 PM MDT	TSTM WND DMG	4 Wsw Big Springs, NE	HEALTHY TREES COMPLETELY UPROOTED.
Jun 17, 2:34 PM MDT	TSTM WND GST 82	4 Wsw Big Springs, NE	MEASURED ON DAVIS WEATHER STATION. GUST DURATION ESTIMATED AT 4 MINUTES.
Jun 17, 2:41 PM MDT	TORNADO	3 Ne Big Springs, NE	TRAINED SPOTTER REPORTS A TORNADO IN PROGRESS
Jun 17, 2:48 PM MDT	TORNADO	7 N Big Springs, NE
Jun 17, 2:50 PM MDT	TORNADO	6 Nnw Brule, NE	DELAYED REPORT...BRIEF TOUCHDOWN. NO DAMAGE.
Jun 17, 2:54 PM MDT	TSTM WND DMG	Big Springs, NE	SHINGLES BLOWN OFF ROOF, 1 INCH TREE LIMBS BROKEN
Jun 17, 2:54 PM MDT	TSTM WND DMG	Big Springs, NE	SHINGLES BLOWN OFF ROOF, 1 INCH TREE LIMBS BROKEN REPORTED VIA MPING
Jun 17, 2:54 PM MDT	TORNADO	8 Nw Brule, NE	REPORT WITH PICTURE VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR.
Jun 17, 2:56 PM MDT	TSTM WND DMG	3 N Big Springs, NE	POWER LINES DOWN, 3 IN LIMBS DOWN, SOUCE MPING
Jun 17, 3:00 PM MDT	TSTM WND DMG	5 Ne Big Springs, NE	POWER LINES DOWN
Jun 17, 3:05 PM MDT	TORNADO	11 Nw Ogallala, NE	PUBLIC REPORTED TORNADO TOUCHDOWN TO SOUTH AND SOUTHEAST. LASTED 5 TO 10 MINUTES SHORTLY AFTER 2100Z. TIME ESTIMATED FROM RADAR.
Jun 17, 3:10 PM MDT	TORNADO	11 Nw Ogallala, NE	DELAYED REPORT. TORNADO REPORTED AS ON THE GROUND FOR APPROXIMATELY 5 TO 10 MINS SHORTLY AFTER 2100Z.
Jun 17, 3:25 PM MDT	TSTM WND GST 64	2 N Kingsley Dam, NE
Jun 17, 3:25 PM MDT	TSTM WND GST 70	5 Wnw Keystone, NE
Jun 17, 3:25 PM MDT	HAIL 1.75	2 N Kingsley Dam, NE	HAIL RANGING FROM NICKEL TO GOLF BALL SIZE

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, 1:35 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.5 hours before the alert went out and 121 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: 74 J/kg
Mixed-layer CIN: -134 J/kg
Mixed-layer LCL: 840 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

832 
WFUS53 KLBF 172030
TORLBF
NEC049-101-172115-
/O.NEW.KLBF.TO.W.0004.180617T2030Z-180617T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
230 PM MDT SUN JUN 17 2018

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Western Keith County in southwestern Nebraska...
  Eastern Deuel County in the Panhandle of Nebraska...

* Until 315 PM MDT.

* At 230 PM MDT, a confirmed tornado was located near Barton, or near
  Big Springs, moving northeast at 25 mph.

  HAZARD...Damaging tornado and golf ball 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 be near...
  Big Springs around 235 PM MDT.
  Brule around 255 PM MDT.
  Lemoyne around 315 PM MDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Gulch Campground, Goldeneye State Wildlife Management Area, Megeath,
Belmar, Otter Creek Campground and Lake View Campground.

This includes the following highways...
 Highway 61 between mile markers 89 and 104.
 Highway 92 between mile markers 123 and 138.
 Interstate 80 in Nebraska between mile markers 93 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 4122 10211 4122 10206 4126 10206 4139 10184
      4122 10158 4101 10192 4100 10210 4100 10234
      4108 10235
TIME...MOT...LOC 2030Z 231DEG 22KT 4109 10215 

TORNADO...OBSERVED
HAIL...1.75IN

$$

JWS

4 follow-up statements

065 
WWUS53 KLBF 172040
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
240 PM MDT SUN JUN 17 2018

NEC049-101-172115-
/O.CON.KLBF.TO.W.0004.000000T0000Z-180617T2115Z/
Keith NE-Deuel NE-
240 PM MDT SUN JUN 17 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR WESTERN
KEITH AND EASTERN DEUEL COUNTIES...
    
At 239 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Big Springs, moving northeast 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.

This dangerous storm will be near...
  Brule around 300 PM MDT.
  Lemoyne around 315 PM MDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Gulch Campground, Goldeneye State Wildlife Management Area, Megeath,
Belmar, Otter Creek Campground and Lake View Campground.

This includes the following highways...
 Highway 61 between mile markers 89 and 104.
 Highway 92 between mile markers 123 and 138.
 Interstate 80 in Nebraska between mile markers 93 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 4122 10211 4122 10206 4126 10206 4139 10184
      4122 10158 4101 10192 4100 10210 4100 10234
      4108 10235
TIME...MOT...LOC 2039Z 232DEG 22KT 4111 10211 

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

$$

JWS

094 
WWUS53 KLBF 172044
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
244 PM MDT SUN JUN 17 2018

NEC049-101-172115-
/O.CON.KLBF.TO.W.0004.000000T0000Z-180617T2115Z/
Keith NE-Deuel NE-
244 PM MDT SUN JUN 17 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR WESTERN
KEITH AND EASTERN DEUEL COUNTIES...
    
At 244 PM MDT, a confirmed tornado was located near Big Springs,
moving northeast at 30 mph.

HAZARD...Damaging tornado and golf ball 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.

This tornado will be near...
  Brule around 255 PM MDT.
  Ogallala, Lemoyne and Kingsley Dam around 315 PM MDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Gulch Campground, Goldeneye State Wildlife Management Area, Megeath,
Belmar, Otter Creek Campground and Lake View Campground.

This includes the following highways...
 Highway 61 between mile markers 89 and 104.
 Highway 92 between mile markers 123 and 138.
 Interstate 80 in Nebraska between mile markers 93 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4122 10211 4122 10206 4126 10206 4139 10184
      4122 10158 4101 10192 4100 10210 4100 10234
      4108 10235
TIME...MOT...LOC 2044Z 241DEG 26KT 4112 10202 

TORNADO...OBSERVED
HAIL...1.75IN

$$

JWS

508 
WWUS53 KLBF 172049
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
249 PM MDT SUN JUN 17 2018

NEC049-101-172115-
/O.CON.KLBF.TO.W.0004.000000T0000Z-180617T2115Z/
Keith NE-Deuel NE-
249 PM MDT SUN JUN 17 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR WESTERN
KEITH AND EASTERN DEUEL COUNTIES...
    
At 248 PM MDT, a confirmed tornado was located near Brule, or 7 miles
northeast of Big Springs, moving northeast at 25 mph.

HAZARD...Damaging tornado and golf ball 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.

This tornado will be near...
  Brule around 255 PM MDT.
  Ogallala, Lemoyne and Kingsley Dam around 315 PM MDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Gulch Campground, Goldeneye State Wildlife Management Area, Megeath,
Belmar, Otter Creek Campground and Lake View Campground.

This includes the following highways...
 Highway 61 between mile markers 89 and 104.
 Highway 92 between mile markers 123 and 138.
 Interstate 80 in Nebraska between mile markers 104 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4122 10211 4122 10206 4126 10206 4139 10184
      4122 10158 4101 10192 4100 10210 4113 10226
TIME...MOT...LOC 2048Z 244DEG 22KT 4116 10198 

TORNADO...OBSERVED
HAIL...1.75IN

$$

JWS

425 
WWUS53 KLBF 172057
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
257 PM MDT SUN JUN 17 2018

NEC049-101-172115-
/O.CON.KLBF.TO.W.0004.000000T0000Z-180617T2115Z/
Keith NE-Deuel NE-
257 PM MDT SUN JUN 17 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR WESTERN
KEITH AND EASTERN DEUEL COUNTIES...
    
At 256 PM MDT, a confirmed tornado was located 8 miles northwest of
Brule, or 10 miles northeast of Big Springs, moving northeast at 20
mph.

HAZARD...Damaging tornado and golf ball 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.

This tornado will be near...
  Lemoyne around 315 PM MDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Gulch Campground, Goldeneye State Wildlife Management Area, Megeath,
Belmar, Otter Creek Campground and Lake View Campground.

This includes the following highways...
 Highway 61 between mile markers 89 and 104.
 Highway 92 between mile markers 123 and 138.
 Interstate 80 in Nebraska between mile markers 104 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If on or near Lake McConaughy, get away from the water and move to 
safe shelter immediately. If you can hear thunder, you are close 
enough to be struck by lightning. Severe thunderstorms can produce 
large capsizing waves, even on small bodies of water. Move into dock 
and seek safe shelter now! Do not be caught on the water in a 
thunderstorm.

&&

LAT...LON 4122 10211 4122 10206 4126 10206 4139 10184
      4122 10158 4101 10192 4100 10210 4113 10226
TIME...MOT...LOC 2056Z 224DEG 18KT 4119 10197 

TORNADO...OBSERVED
HAIL...1.75IN

$$

JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 6:32 PM MDT	Special Weather Statement	LBF	Cherry	28 min
Jun 16, 6:48 PM MDT	Areal Flood Advisory	LBF	Cherry, Sheridan	3 hr
Jun 16, 7:46 PM MDT	Areal Flood Advisory	LBF	Sheridan	3 hr
Jun 17, 1:13 AM MDT	Flash Flood Watch	LBF	Cherry, Sheridan	25 hr
Jun 17, 1:53 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	37 min
Jun 17, 2:08 PM MDT	Tornado Warning	LBF	Deuel	52 min
Jun 17, 3:06 PM MDT	Tornado Warning	LBF	Keith	39 min
Jun 17, 3:32 PM MDT	Tornado Warning	LBF	Arthur, Keith, McPherson	43 min
Jun 17, 3:59 PM MDT	Special Weather Statement	LBF	Lincoln	46 min
Jun 17, 4:07 PM MDT	Tornado Warning Tornado observed	LBF	Keith, Lincoln, McPherson	38 min
Jun 17, 4:16 PM MDT	Severe Thunderstorm Warning	LBF	Logan	44 min
Jun 17, 4:29 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan, McPherson	46 min
Jun 17, 4:40 PM MDT	Tornado Warning	LBF	Logan, McPherson	50 min
Jun 17, 4:47 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Logan, Thomas	43 min
Jun 17, 5:29 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Brown	33 min
Jun 17, 5:48 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Loup, Rock	42 min
Jun 17, 5:53 PM MDT	Special Weather Statement	LBF	Holt	52 min

Nearby

Tornado Warnings in Nebraska, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.