Alert archive / Nebraska / Tornado Warnings in 2018

Tornado Warning 10, NWS North Platte, NE

July 2, 2018Lincoln County, Logan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 2, 2018, 6:40 PM CDT for Lincoln County, Logan County, Nebraska. It was in force for 50 min. 2 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: Jul 2, 2018, 6:40 PM CDT (23:40 UTC)
Expired: Jul 2, 2018, 7:30 PM CDT
In force: 50 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Lincoln County, NE, Logan County, NE

The radar

The North Platte radar (KLNX), 62 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

Time	Report	Where	Remark
Jul 2, 7:02 PM CDT	FUNNEL CLOUD	2 Sw Stapleton, NE	FUNNEL HALF WAY TO THE GROUND. HAS SINCE DISSIPATED.
Jul 2, 7:04 PM CDT	FUNNEL CLOUD	3 Wsw Stapleton, 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.

Issued	Product	Office	Lasted
Jul 2, 6:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.7 hours before the alert went out and 33 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1775 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

523 
WFUS53 KLBF 022340
TORLBF
NEC111-113-030030-
/O.NEW.KLBF.TO.W.0010.180702T2340Z-180703T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
640 PM CDT MON JUL 2 2018

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Northeastern Lincoln County in southwestern Nebraska...
  Southern Logan County in west central Nebraska...

* Until 730 PM CDT.

* At 640 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Stapleton, moving east at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud.

  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...
  Stapleton around 655 PM CDT.
  Gandy around 700 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Hoagland, Tarboz Lake and Logan.

This includes the following highways...
 Highway 92 between mile markers 218 and 246.
 Highway 83 between mile markers 100 and 114.

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 4134 10069 4147 10072 4148 10071 4156 10025
      4139 10025 4139 10024 4130 10024
TIME...MOT...LOC 2340Z 259DEG 21KT 4141 10060 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gomez

2 follow-up statements

146 
WWUS53 KLBF 030014
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
714 PM CDT MON JUL 2 2018

NEC111-030023-
/O.CAN.KLBF.TO.W.0010.000000T0000Z-180703T0030Z/
Lincoln NE-
714 PM CDT MON JUL 2 2018

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

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central, southwestern and west central Nebraska.

LAT...LON 4150 10059 4156 10025 4139 10025 4139 10058
TIME...MOT...LOC 0013Z 275DEG 5KT 4144 10054 

$$

NEC113-030030-
/O.CON.KLBF.TO.W.0010.000000T0000Z-180703T0030Z/
Logan NE-
714 PM CDT MON JUL 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN LOGAN COUNTY...
        
At 713 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Stapleton, moving east at 5 mph.

HAZARD...Tornado and baseball size hail.

SOURCE...Weather spotters reported a funnel cloud.

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...
  Stapleton and Gandy around 730 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Hoagland, Tarboz Lake and Logan.

This includes the following highways...
 Highway 92 between mile markers 225 and 246.
 Highway 83 between mile markers 106 and 114.

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 4150 10059 4156 10025 4139 10025 4139 10058
TIME...MOT...LOC 0013Z 275DEG 5KT 4144 10054 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Gomez

696 
WWUS53 KLBF 030031
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
731 PM CDT MON JUL 2 2018

NEC113-030039-
/O.EXP.KLBF.TO.W.0010.000000T0000Z-180703T0030Z/
Logan NE-
731 PM CDT MON JUL 2 2018

...THE TORNADO WARNING FOR SOUTHEASTERN LOGAN COUNTY WILL EXPIRE AT
730 PM CDT...
                
The storm which prompted the warning has weakened and no longer 
appears capable of producing a tornado at this time.
Therefore, the warning will be allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central, southwestern and west central Nebraska.

Remember, a Severe Thunderstorm Warning still remains in effect for
Logan County. 

Remember, a Tornado Warning still remains in effect for eastern 
McPherson and western Logan counties. 

LAT...LON 4150 10059 4156 10025 4139 10025 4139 10058
TIME...MOT...LOC 0029Z 259DEG 21KT 4146 10042 

$$

Gomez

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 5:46 PM CDT	Special Weather Statement	LBF	Logan	29 min
Jul 2, 6:09 PM CDT	Areal Flood Advisory	LBF	Logan, McPherson, Thomas	3 hr
Jul 2, 6:22 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson	38 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.