Alert archive / Nebraska / Tornado Warnings in 2019

Tornado Warning 4, NWS North Platte, NE

May 17, 2019Frontier County, Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at May 17, 2019, 7:04 PM CDT for Frontier County, Lincoln County, Nebraska. It was in force for 41 min. 5 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
May 17, 2019, 7:04 PM CDT (00:04 UTC)
Expired
May 17, 2019, 7:45 PM CDT
In force
41 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
2.0 in

Counties Frontier County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 138 km from the middle of the area, began a volume at 00:04 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
May 17, 7:09 PM CDTTORNADO10 Ne Stockville, NETORNADO ON THE GROUND VIA LIVE STREAM
May 17, 7:14 PM CDTHAIL 2.51 Ne Moorefield, NEDELAYED REPORT VIA SOCIAL MEDIA PICTURE
May 17, 7:40 PM CDTHAIL 2.58 Ene Moorefield, NELOCATION OF THE REPORT WAS LATITUDE 40.700 AND LONGITUDE -100.261 OR ABOUT 8 MILES EAST NORTHEAST OF MOOREFIELD.
May 17, 7:40 PM CDTHAIL 2.58 Ene Moorefield, NESTORM CHASER REPORTS TENNIS BALL SIZE HAIL AT LATITUDE 40.700 AND LONGITUDE -100.261 OR APPROXIMATELY 8 MILES EAST NORTHEAST OF MOOREFIELD.
May 17, 7:40 PM CDTHAIL 2.58 Ene Moorefield, NE

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
May 17, 2:59 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.1 hours before the alert went out and 52 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 2019-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 2019-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897Sfc1 km3 km6 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
1428 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1396 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.1

Open this sounding in Storm Lab

The text

As transmitted.

917 
WFUS53 KLBF 180004
TORLBF
NEC063-111-180045-
/O.NEW.KLBF.TO.W.0004.190518T0004Z-190518T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
704 PM CDT Fri May 17 2019

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Northeastern Frontier County in southwestern Nebraska...
  Southeastern Lincoln County in southwestern Nebraska...

* Until 745 PM CDT.
    
* At 703 PM CDT, a confirmed large and extremely dangerous tornado
  was located near Moorefield, or 11 miles east of Curtis, moving
  northeast at 25 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Frontier and southeastern Lincoln Counties, including
  the following locations... Vroman.

This includes Interstate 80 in Nebraska between mile markers 205 and
207.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A large and extremely dangerous tornado is on the ground. Take
immediate tornado precautions. This is an emergency situation.

&&

LAT...LON 4061 10045 4101 10026 4099 10023 4070 10022
      4070 10002 4054 10017
TIME...MOT...LOC 0003Z 213DEG 20KT 4064 10029 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN

$$

JWS
4 follow-up statements
067 
WWUS53 KLBF 180013
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
713 PM CDT Fri May 17 2019

NEC063-111-180045-
/O.CON.KLBF.TO.W.0004.000000T0000Z-190518T0045Z/
Frontier NE-Lincoln NE-
713 PM CDT Fri May 17 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN FRONTIER AND SOUTHEASTERN LINCOLN COUNTIES...
        
At 712 PM CDT, a confirmed tornado was located near Moorefield, or 12
miles east of Curtis, moving north at 20 mph.

HAZARD...Damaging tornado and two inch 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.

Locations impacted include...
Moorefield and Vroman. 

This includes Interstate 80 in Nebraska between mile markers 205 and
207.
 
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 4061 10045 4101 10026 4099 10023 4070 10022
      4070 10002 4054 10017
TIME...MOT...LOC 0012Z 197DEG 16KT 4067 10028 

TORNADO...OBSERVED
HAIL...2.00IN

$$

JWS
028 
WWUS53 KLBF 180019
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
719 PM CDT Fri May 17 2019

NEC063-111-180045-
/O.CON.KLBF.TO.W.0004.000000T0000Z-190518T0045Z/
Frontier NE-Lincoln NE-
719 PM CDT Fri May 17 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN FRONTIER AND SOUTHEASTERN LINCOLN COUNTIES...
    
At 719 PM CDT, a confirmed tornado was located 9 miles east of
Moorefield, or 16 miles east of Curtis, moving northeast at 35 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.

Locations impacted include...
Moorefield and Vroman. 

This includes Interstate 80 in Nebraska between mile markers 205 and
207.
 
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 4061 10045 4101 10026 4099 10023 4070 10022
      4070 10002 4054 10017
TIME...MOT...LOC 0019Z 218DEG 32KT 4072 10021 

TORNADO...OBSERVED
HAIL...1.75IN

$$

JWS
914 
WWUS53 KLBF 180031
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
731 PM CDT Fri May 17 2019

NEC063-111-180045-
/O.CON.KLBF.TO.W.0004.000000T0000Z-190518T0045Z/
Frontier NE-Lincoln NE-
731 PM CDT Fri May 17 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN FRONTIER AND SOUTHEASTERN LINCOLN COUNTIES...
    
At 729 PM CDT, the initial storm that produced the tornado has moved 
into Dawson County, however a second severe thunderstorm capable of 
producing a tornado was located 7 miles east of Moorefield, or 13 
miles east of Curtis, moving northeast at 35 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...
Moorefield and Vroman. 

This includes Interstate 80 in Nebraska between mile markers 205 and
207.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4061 10045 4101 10026 4099 10023 4070 10022
      4070 10002 4054 10017
TIME...MOT...LOC 0029Z 224DEG 32KT 4068 10027 

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

$$

JWS
967 
WWUS53 KLBF 180047
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
747 PM CDT Fri May 17 2019

NEC063-111-180057-
/O.EXP.KLBF.TO.W.0004.000000T0000Z-190518T0045Z/
Frontier NE-Lincoln NE-
747 PM CDT Fri May 17 2019

...THE TORNADO WARNING FOR NORTHEASTERN FRONTIER AND SOUTHEASTERN
LINCOLN COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for southwestern
Nebraska.

LAT...LON 4061 10045 4101 10026 4099 10023 4070 10022
      4070 10002 4054 10017
TIME...MOT...LOC 0047Z 213DEG 20KT 4076 10020 

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:00 PM CDTSpecial Weather StatementLBFDeuel45 min
May 17, 7:14 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry31 min
May 17, 7:28 PM CDTSpecial Weather StatementLBFLincoln, Logan47 min
May 17, 7:31 PM CDTSpecial Weather StatementLBFArthur44 min
May 17, 7:40 PM CDTSevere Thunderstorm WarningLBFCherry, Thomas50 min
May 17, 7:42 PM CDTSpecial Weather StatementLBFThomas33 min
May 17, 7:47 PM CDTSevere Thunderstorm WarningLBFCherry28 min
May 17, 7:49 PM CDTSpecial Weather StatementLBFKeya Paha41 min
May 17, 8:12 PM CDTSpecial Weather StatementLBFHooker33 min
May 17, 8:15 PM CDTTornado Warning Tornado observedLBFCuster45 min
May 17, 8:16 PM CDTSpecial Weather StatementLBFMcPherson, Thomas29 min
May 17, 8:28 PM CDTSpecial Weather StatementLBFBrown32 min
May 17, 8:31 PM CDTSpecial Weather StatementLBFLincoln29 min
May 17, 8:37 PM CDTSpecial Weather StatementLBFKeya Paha23 min
May 17, 8:39 PM CDTSpecial Weather StatementLBFHooker36 min
May 17, 8:49 PM CDTSpecial Weather StatementLBFBrown41 min
May 17, 8:56 PM CDTSpecial Weather StatementLBFLincoln, Logan34 min
May 17, 8:59 PM CDTSevere Thunderstorm WarningLBFLogan, Thomas31 min
May 17, 9:00 PM CDTSevere Thunderstorm WarningLBFCuster45 min
May 17, 9:13 PM CDTSevere Thunderstorm WarningLBFLincoln32 min
May 17, 9:17 PM CDTSpecial Weather StatementLBFThomas28 min
May 17, 9:19 PM CDTSpecial Weather StatementLBFKeya Paha26 min
May 17, 9:26 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Logan34 min
May 17, 9:31 PM CDTSpecial Weather StatementLBFLogan29 min
May 17, 9:38 PM CDTSpecial Weather StatementLBFValley52 min
May 17, 9:40 PM CDTSpecial Weather StatementLBFKeya Paha35 min
May 17, 9:44 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln31 min
May 17, 9:53 PM CDTSpecial Weather StatementLBFLoup52 min
May 17, 10:00 PM CDTSpecial Weather StatementLBFFrontier15 min
May 17, 10:08 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Loup52 min
May 17, 10:15 PM CDTSevere Thunderstorm WarningLBFHolt, Loup, Rock45 min
May 17, 10:26 PM CDTSpecial Weather StatementLBFDawson34 min
May 17, 10:30 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler45 min
May 17, 10:52 PM CDTSpecial Weather StatementLBFHolt38 min
May 17, 10:58 PM CDTSevere Thunderstorm WarningLBFCuster32 min
May 17, 11:11 PM CDTSpecial Weather StatementLBFBoyd49 min
May 17, 11:16 PM CDTSpecial Weather StatementLBFWheeler44 min
May 17, 11:29 PM CDTSpecial Weather StatementLBFValley46 min
May 18, 12:12 AM CDTSpecial Weather StatementLBFWheeler63 min
May 18, 1:14 AM CDTSpecial Weather StatementLBFWheeler46 min
May 18, 3:45 PM CDTFrost AdvisoryLBFArthur, Cherry, Deuel, Garden, Grant, Hooker and 1 more17 hr

Nearby

Tornado Warnings in Nebraska, 2019Every tornado warning in 2019Tornadoes in 2019

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.