Alert archive / Nebraska / Tornado Warnings in 2019

Tornado Warning 7, NWS North Platte, NE

July 28, 2019Boyd County, Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 28, 2019, 9:23 PM CDT for Boyd County, Holt County, Nebraska. It was in force for 25 min. 4 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 28, 2019, 9:23 PM CDT (02:23 UTC)
Expired: Jul 28, 2019, 9:48 PM CDT
In force: 25 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 1.25 in

Counties Boyd County, NE, Holt County, NE

The radar

The Sioux Falls radar (KFSD), 172 km from the middle of the area, began a volume at 02:24 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 28, 9:24 PM CDT	TSTM WND DMG	5 Sse Spencer, NE	TEMPORARY STOPLIGHT ON THE NORTH SIDE OF THE TEMPORARY BRIDGE AT SPENCER DAM HAS BEEN BLOWN OVER REPORTED VIA SOCIAL MEDIA FROM KBRX IN ONEILL. TIME ESTIMATED FROM RADAR.
Jul 28, 9:30 PM CDT	HAIL 1.25	4 Wsw Bristow, NE	QUARTER TO HALF DOLLAR SIZE HAIL.
Jul 28, 9:30 PM CDT	HAIL 1.25	7 Ssw Bristow, NE	QUARTER TO HALF DOLLAR SIZE HAIL.
Jul 28, 9:30 PM CDT	HAIL 1.25	7 Ssw Bristow, NE	QUARTER TO HALF DOLLAR SIZE HAIL.

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 28, 7:27 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 238 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: 172 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1371 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 406 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

As transmitted.

950 
WFUS53 KLBF 290223
TORLBF
NEC015-089-290300-
/O.NEW.KLBF.TO.W.0007.190729T0223Z-190729T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
923 PM CDT Sun Jul 28 2019

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Northeastern Holt County in north central Nebraska...
  Southeastern Boyd County in north central Nebraska...

* Until 1000 PM CDT.

* At 922 PM CDT, a confirmed tornado was located over Spencer, moving
  southeast at 30 mph.

  HAZARD...Damaging tornado and half dollar size hail.

  SOURCE...Emergency Management 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.

* The tornado will be near...
  Lynch around 940 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Spencer Dam, Bristow, Scottville and Redbird State Wildlife
Management Area.

This includes the following highways...
 Highway 281 between mile markers 204 and 216.
 Highway 12 between mile markers 116 and 128.

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 4262 9855 4287 9877 4294 9862 4273 9830
      4271 9830
TIME...MOT...LOC 0222Z 318DEG 27KT 4286 9869 

TORNADO...OBSERVED
HAIL...1.25IN

$$

Snively

2 follow-up statements

727 
WWUS53 KLBF 290241
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
941 PM CDT Sun Jul 28 2019

NEC015-290250-
/O.CAN.KLBF.TO.W.0007.000000T0000Z-190729T0300Z/
Boyd NE-
941 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR SOUTHEASTERN BOYD 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
north central Nebraska.

LAT...LON 4262 9855 4276 9866 4277 9853 4267 9841
TIME...MOT...LOC 0240Z 318DEG 27KT 4276 9856 

$$

NEC089-290300-
/O.CON.KLBF.TO.W.0007.000000T0000Z-190729T0300Z/
Holt NE-
941 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHEASTERN HOLT COUNTY...
    
At 940 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Lynch, or 10 miles southeast of
Spencer, moving southeast at 30 mph.

HAZARD...Tornado and half dollar 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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Holt County, including the following locations...
Scottville.

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 4262 9855 4276 9866 4277 9853 4267 9841
TIME...MOT...LOC 0240Z 318DEG 27KT 4276 9856 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Snively

050 
WWUS53 KLBF 290248
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
948 PM CDT Sun Jul 28 2019

NEC089-290257-
/O.CAN.KLBF.TO.W.0007.000000T0000Z-190729T0300Z/
Holt NE-
948 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR NORTHEASTERN HOLT COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area. 

A Severe Thunderstorm Watch remains in effect until midnight CDT for
north central Nebraska.

LAT...LON 4262 9855 4276 9866 4277 9853 4267 9841
TIME...MOT...LOC 0247Z 318DEG 27KT 4272 9851 

$$

Snively

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:58 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	62 min
Jul 28, 9:18 PM CDT	Special Weather Statement	LBF	Boyd	42 min
Jul 28, 9:39 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	51 min
Jul 28, 10:21 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	39 min
Jul 28, 10:53 PM CDT	Special Weather Statement	LBF	Wheeler	52 min
Jul 28, 11:03 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	27 min

Nearby

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