Alert archive / Nebraska / Tornado Warnings in 2017

Tornado Warning 4, NWS North Platte, NE

June 12, 2017Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 2017, 9:44 PM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 46 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
Jun 12, 2017, 9:44 PM MDT (03:44 UTC)
Expired
Jun 12, 2017, 10:30 PM MDT
In force
46 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

Counties Cherry County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 139 km from the middle of the area, began a volume at 03:45 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
Jun 12, 5:35 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 3.7 hours before the alert went out and 180 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, Rapid City, SD at 00:00Z on 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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, Rapid City, SD at 00:00Z on 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.19395878Sfc1 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
421 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1755 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

784 
WFUS53 KLBF 130344
TORLBF
NEC031-161-130430-
/O.NEW.KLBF.TO.W.0004.170613T0344Z-170613T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
944 PM MDT MON JUN 12 2017

The National Weather Service in North Platte NE has issued a

* Tornado Warning for...
  West central Cherry County in north central Nebraska...
  East central Sheridan County in the Panhandle of Nebraska...

* Until 1030 PM MDT
    
* At 944 PM MDT, Doppler radar indicated a severe thunderstorm
  capable of producing a tornado. This dangerous storm was located 23
  miles southeast of Rushville, and moving northeast at 25 mph.

* Locations impacted include...
  Morgan Lake and Billys Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4272 10199 4254 10179 4239 10217 4249 10228
TIME...MOT...LOC 0344Z 234DEG 23KT 4245 10219 

$$

CDC
2 follow-up statements
794 
WWUS53 KLBF 130408
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1008 PM MDT MON JUN 12 2017

NEC161-130417-
/O.CAN.KLBF.TO.W.0004.000000T0000Z-170613T0430Z/
Sheridan NE-
1008 PM MDT MON JUN 12 2017

...THE TORNADO WARNING FOR EAST CENTRAL SHERIDAN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore the warning has been cancelled.

LAT...LON 4272 10199 4254 10179 4244 10204 4245 10206
      4266 10207
TIME...MOT...LOC 0407Z 234DEG 23KT 4253 10202 

$$

NEC031-130430-
/O.CON.KLBF.TO.W.0004.000000T0000Z-170613T0430Z/
Cherry NE-
1008 PM MDT MON JUN 12 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM MDT FOR WEST
CENTRAL CHERRY COUNTY...
    
At 1007 PM MDT, Doppler radar indicated a severe thunderstorm capable
of producing a tornado. This dangerous storm was located 21 miles
southeast of Gordon, moving northeast at 25 mph.

Locations impacted include...
Morgan Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4272 10199 4254 10179 4244 10204 4245 10206
      4266 10207
TIME...MOT...LOC 0407Z 234DEG 23KT 4253 10202 

$$

CDC
879 
WWUS53 KLBF 130429
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1029 PM MDT MON JUN 12 2017

NEC031-130438-
/O.EXP.KLBF.TO.W.0004.000000T0000Z-170613T0430Z/
Cherry NE-
1029 PM MDT MON JUN 12 2017

...THE TORNADO WARNING FOR WEST CENTRAL CHERRY COUNTY WILL EXPIRE AT
1030 PM MDT...
        
The storm which prompted the warning has moved out of the warned 
area. Therefore the warning will be allowed to expire.

Remember, a Tornado Warning still remains in effect for Northwestern 
Cherry County in north central Nebraska until 1115 PM MDT.

LAT...LON 4272 10199 4254 10179 4244 10204 4245 10206
      4266 10207
TIME...MOT...LOC 0428Z 234DEG 23KT 4261 10188 

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 6:45 PM MDTSpecial Weather StatementLBFSheridan45 min
Jun 12, 6:57 PM MDTSevere Thunderstorm WarningLBFSheridan48 min
Jun 12, 7:43 PM MDTSevere Thunderstorm WarningLBFSheridan47 min
Jun 12, 8:00 PM MDTAreal Flood AdvisoryLBFSheridan60 min
Jun 12, 8:09 PM MDTSevere Thunderstorm WarningLBFSheridan51 min
Jun 12, 8:17 PM MDTSevere Thunderstorm WarningLBFSheridan58 min
Jun 12, 8:25 PM MDTSevere Thunderstorm WarningLBFSheridan29 min
Jun 12, 8:37 PM MDTTornado WarningLBFSheridan38 min
Jun 12, 9:04 PM MDTTornado WarningLBFSheridan41 min
Jun 12, 9:12 PM MDTAreal Flood AdvisoryLBFSheridan63 min
Jun 12, 9:18 PM MDTSevere Thunderstorm WarningLBFSheridan42 min
Jun 12, 9:54 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan66 min
Jun 12, 10:27 PM MDTTornado WarningLBFCherry48 min
Jun 12, 10:56 PM MDTSevere Thunderstorm WarningLBFCherry43 min
Jun 13, 8:41 AM MDTRiver Flood WarningLBFGarden, Keith5 days
Jun 13, 2:16 PM MDTSpecial Weather StatementLBFKeya Paha44 min
Jun 13, 2:42 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Rock48 min
Jun 13, 2:47 PM MDTSevere Thunderstorm WarningLBFKeya Paha, Rock43 min
Jun 13, 3:03 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer42 min
Jun 13, 3:25 PM MDTSevere Thunderstorm WarningLBFBrown, Rock35 min
Jun 13, 3:27 PM MDTTornado WarningLBFBrown, Rock36 min
Jun 13, 3:28 PM MDTSevere Thunderstorm WarningLBFBoyd, Keya Paha10 min
Jun 13, 3:32 PM MDTTornado WarningLBFBoyd, Keya Paha8 min
Jun 13, 3:43 PM MDTSevere Thunderstorm WarningLBFBlaine, Loup, Rock30 min
Jun 13, 3:45 PM MDTTornado WarningLBFBoyd, Holt, Keya Paha, Rock32 min
Jun 13, 3:55 PM MDTTornado WarningLBFHolt, Rock38 min
Jun 13, 4:07 PM MDTSevere Thunderstorm WarningLBFHolt, Rock38 min
Jun 13, 4:25 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt50 min
Jun 13, 4:35 PM MDTSevere Thunderstorm WarningLBFHolt, Rock30 min
Jun 13, 4:54 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt31 min
Jun 13, 5:26 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt19 min

Nearby

Tornado Warnings in Nebraska, 2017Every tornado warning in 2017Tornadoes in 2017

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.