Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS North Platte, NE

May 17, 20194 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 17, 2019, 5:13 PM MDT for 4 counties in Nebraska. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 17, 2019, 5:13 PM MDT (23:13 UTC)
Expired
May 17, 2019, 6:00 PM MDT
In force
47 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

Counties Arthur County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 84 km from the middle of the area, began a volume at 23:12 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 1:59 PM MDTTornado WatchSPC9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.2 hours before the alert went out and 88 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.

622 
WUUS53 KLBF 172313
SVRLBF
NEC005-075-091-117-180000-
/O.NEW.KLBF.SV.W.0021.190517T2313Z-190518T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
613 PM CDT Fri May 17 2019

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Eastern Arthur County in west central Nebraska...
  Southeastern Grant County in west central Nebraska...
  Southwestern Hooker County in west central Nebraska...
  Northwestern McPherson County in west central Nebraska...

* Until 700 PM CDT/600 PM MDT/.

* At 612 PM CDT/512 PM MDT/, a severe thunderstorm was located 9
  miles east of Arthur, moving north at 35 mph.

  HAZARD...Ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* Locations impacted include...
  Arthur, Lena, Sand Puddin Lake, Flatts, Cogill Lake, East Cody
  Lake, Calora, Green Lake, Bucktail Lake, Sand Beach Lake, Three
  Mile Lake, Spring Valley Lake, Bucktail and Big Lamunyon Flats.

This includes the following highways...
 Highway 61 near mile marker 125.
 Highway 92 between mile markers 165 and 185.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 1000 PM CDT/900 PM MDT/ for
west central Nebraska.

LAT...LON 4142 10140 4144 10170 4188 10166 4181 10113
TIME...MOT...LOC 2312Z 199DEG 32KT 4156 10151 

HAIL...1.50IN
WIND...<50MPH
 
$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 6:35 PM MDTSpecial Weather StatementLBFHayes25 min
May 16, 6:38 PM MDTSpecial Weather StatementLBFPerkins37 min
May 16, 7:08 PM MDTSpecial Weather StatementLBFKeith52 min
May 16, 7:15 PM MDTSpecial Weather StatementLBFLincoln30 min
May 16, 7:30 PM MDTSpecial Weather StatementLBFDawson30 min
May 16, 7:35 PM MDTSpecial Weather StatementLBFKeith25 min
May 16, 7:38 PM MDTSevere Thunderstorm WarningLBFLincoln52 min
May 16, 8:40 PM MDTSpecial Weather StatementLBFMcPherson35 min
May 17, 2:53 PM MDTSpecial Weather StatementLBFThomas52 min
May 17, 3:03 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry, Thomas42 min
May 17, 3:22 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Custer, Loup, Rock38 min
May 17, 3:24 PM MDTSpecial Weather StatementLBFCuster36 min
May 17, 3:27 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins48 min
May 17, 3:28 PM MDTSpecial Weather StatementLBFCuster32 min
May 17, 3:33 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden, Keith42 min
May 17, 3:45 PM MDTSpecial Weather StatementLBFBrown45 min
May 17, 3:59 PM MDTSevere Thunderstorm WarningLBFBlaine, Loup, Rock46 min
May 17, 4:02 PM MDTSpecial Weather StatementLBFBrown, Rock28 min
May 17, 4:05 PM MDTSevere Thunderstorm WarningLBFArthur, Garden, Keith40 min
May 17, 4:16 PM MDTSevere Thunderstorm WarningLBFArthur, Keith44 min
May 17, 4:29 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha31 min
May 17, 4:32 PM MDTSpecial Weather StatementLBFBrown28 min
May 17, 4:37 PM MDTSevere Thunderstorm WarningLBFHolt, Rock38 min
May 17, 4:57 PM MDTSpecial Weather StatementLBFHolt33 min
May 17, 4:58 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins47 min
May 17, 5:02 PM MDTSpecial Weather StatementLBFKeya Paha43 min
May 17, 5:03 PM MDTTornado Warning Tornado observedLBFFrontier42 min
May 17, 5:07 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes53 min
May 17, 5:12 PM MDTSevere Thunderstorm WarningLBFHolt, Rock17 min
May 17, 5:15 PM MDTSpecial Weather StatementLBFRock45 min
May 17, 5:18 PM MDTSpecial Weather StatementLBFBoyd12 min
May 17, 5:21 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock39 min
May 17, 5:26 PM MDTSpecial Weather StatementLBFBlaine49 min
May 17, 5:27 PM MDTSevere Thunderstorm WarningLBFHayes, Lincoln24 min
May 17, 5:34 PM MDTSevere Thunderstorm WarningLBFBrown, Cherry, Thomas41 min
May 17, 5:41 PM MDTTornado WarningLBFFrontier49 min
May 17, 5:58 PM MDTSevere Thunderstorm WarningLBFCherry, Hooker47 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.