Alert archive / Nebraska / Tornado Warnings in 2019

Tornado Warning 3, NWS North Platte, NE

May 17, 2019Frontier County, Nebraska

NWS North Platte, NE issued this tornado warning at May 17, 2019, 6:41 PM CDT for Frontier County, Nebraska. It was in force for 49 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, 6:41 PM CDT (23:41 UTC)
Expired
May 17, 2019, 7:30 PM CDT
In force
49 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Frontier County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 23:44 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.

What was reported inside it

TimeReportWhereRemark
May 17, 6:43 PM CDTHAIL 2.75Nnw Stockville, NEREPORT VIA MPING. TIME BASED ON RADAR.
May 17, 6:55 PM CDTTORNADO3 Ne Stockville, NEDELAYED REPORT FROM MAY 17TH, REPORT VIA SOCIAL MEDIA WITH PICTURE. THEY WERE LOCATED AT 7 MILES EAST OF STOCKVILLE ON HWY 18 LOOKING WNW JUST NORTH OF STOCKVILLE, ESTIMATED 3 MILES NORTHEAST OF STOCKVILLE.
May 17, 6:56 PM CDTTORNADONw Stockville, NEDELAYED REPORT A TORNADO TOUCHED DOWN A HALF MILE NORTHWEST OF STOCKVILLE AT 2356Z AND MOVED NORTHEAST ACROSS HARVESTED FARM GROUND BEFORE DISSIPATING AT 2358Z. NO DAMAGE OCCURRED WITH THE TORNADO RATED AS AN EF-0 WITH WINDS ESTIMATED TO 70 MPH.
May 17, 6:58 PM CDTTORNADO5 Ne Stockville, NEBRIEF ROPE TORNADO ONE THE GROUND FOR A SHORT TIME
May 17, 7:09 PM CDTTORNADO10 Ne Stockville, NETORNADO ON THE GROUND VIA LIVE STREAM

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 12:00Z, 11.7 hours before the alert went out and 69 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 12:00Z on 2019-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 12:00Z on 2019-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 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
31 J/kg
Mixed-layer CIN
-721 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

250 
WFUS53 KLBF 172341
TORLBF
NEC063-180030-
/O.NEW.KLBF.TO.W.0003.190517T2341Z-190518T0030Z/

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

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Central Frontier County in southwestern Nebraska...

* Until 730 PM CDT.
    
* At 641 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Stockville, or 9 miles southeast of Curtis, moving
  northeast at 25 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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...
  Moorefield around 705 PM CDT.

Other locations impacted by this tornadic thunderstorm include Quick,
Freedom and Dancing Leaf Earth Lodge.

This includes Highway 83 between mile markers 32 and 36.
 
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 4042 10035 4042 10069 4069 10053 4070 9997
TIME...MOT...LOC 2341Z 214DEG 21KT 4052 10040 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JWS
1 follow-up statement
729 
WWUS53 KLBF 180000
SVSLBF

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

NEC063-180030-
/O.CON.KLBF.TO.W.0003.000000T0000Z-190518T0030Z/
Frontier NE-
700 PM CDT Fri May 17 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CENTRAL
FRONTIER COUNTY...
        
At 700 PM CDT, a confirmed tornado was located near Stockville, or 10
miles east of Curtis, moving northeast at 25 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.

This tornadic thunderstorm will remain over mainly rural areas of
central Frontier County, including the following locations... Quick,
Freedom and Dancing Leaf Earth Lodge.

This includes Highway 83 between mile markers 32 and 36.
 
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 4042 10035 4042 10069 4069 10053 4070 9997
TIME...MOT...LOC 0000Z 214DEG 21KT 4061 10032 

TORNADO...OBSERVED
HAIL...2.00IN

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:35 PM CDTSpecial Weather StatementLBFHayes25 min
May 16, 7:38 PM CDTSpecial Weather StatementLBFPerkins37 min
May 16, 8:08 PM CDTSpecial Weather StatementLBFKeith52 min
May 16, 8:15 PM CDTSpecial Weather StatementLBFLincoln30 min
May 16, 8:30 PM CDTSpecial Weather StatementLBFDawson30 min
May 16, 8:35 PM CDTSpecial Weather StatementLBFKeith25 min
May 16, 8:38 PM CDTSevere Thunderstorm WarningLBFLincoln52 min
May 16, 9:40 PM CDTSpecial Weather StatementLBFMcPherson35 min
May 17, 3:53 PM CDTSpecial Weather StatementLBFThomas52 min
May 17, 4:03 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry, Thomas42 min
May 17, 4:22 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Custer, Loup, Rock38 min
May 17, 4:24 PM CDTSpecial Weather StatementLBFCuster36 min
May 17, 4:27 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins48 min
May 17, 4:28 PM CDTSpecial Weather StatementLBFCuster32 min
May 17, 4:33 PM CDTSevere Thunderstorm WarningLBFDeuel, Garden, Keith42 min
May 17, 4:45 PM CDTSpecial Weather StatementLBFBrown45 min
May 17, 4:59 PM CDTSevere Thunderstorm WarningLBFBlaine, Loup, Rock46 min
May 17, 5:02 PM CDTSpecial Weather StatementLBFBrown, Rock28 min
May 17, 5:05 PM CDTSevere Thunderstorm WarningLBFArthur, Garden, Keith40 min
May 17, 5:16 PM CDTSevere Thunderstorm WarningLBFArthur, Keith44 min
May 17, 5:29 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha31 min
May 17, 5:32 PM CDTSpecial Weather StatementLBFBrown28 min
May 17, 5:37 PM CDTSevere Thunderstorm WarningLBFHolt, Rock38 min
May 17, 5:57 PM CDTSpecial Weather StatementLBFHolt33 min
May 17, 5:58 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins47 min
May 17, 6:02 PM CDTSpecial Weather StatementLBFKeya Paha43 min
May 17, 6:03 PM CDTTornado Warning Tornado observedLBFFrontier42 min
May 17, 6:07 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes53 min
May 17, 6:12 PM CDTSevere Thunderstorm WarningLBFHolt, Rock17 min
May 17, 6:13 PM CDTSevere Thunderstorm WarningLBFArthur, Grant, Hooker, McPherson47 min
May 17, 6:15 PM CDTSpecial Weather StatementLBFRock45 min
May 17, 6:18 PM CDTSpecial Weather StatementLBFBoyd12 min
May 17, 6:21 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock39 min
May 17, 6:26 PM CDTSpecial Weather StatementLBFBlaine49 min
May 17, 6:27 PM CDTSevere Thunderstorm WarningLBFHayes, Lincoln24 min
May 17, 6:34 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry, Thomas41 min
May 17, 6:58 PM CDTSevere Thunderstorm WarningLBFCherry, Hooker47 min

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.