Alert archive / Nebraska / Tornado Warnings in 2019

Tornado Warning 8, NWS North Platte, NE

August 7, 2019Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 7, 2019, 9:58 PM CDT for Holt County, Nebraska. It was in force for 32 min. 1 report 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
Aug 7, 2019, 9:58 PM CDT (02:58 UTC)
Expired
Aug 7, 2019, 10:30 PM CDT
In force
32 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Holt County, NE

The radar

The North Platte radar (KLNX), 153 km from the middle of the area, began a volume at 03:02 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
Aug 7, 10:00 PM CDTHAIL 112 Ne Stuart, NEUP TO QUARTER SIZE HAIL AND SMALL BRANCHES DOWNED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.0 hours before the alert went out and 220 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 00:00Z on 2019-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 701 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 00:00Z on 2019-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
701 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1821 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

897 
WFUS53 KLBF 080258
TORLBF
NEC089-080330-
/O.NEW.KLBF.TO.W.0008.190808T0258Z-190808T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
958 PM CDT Wed Aug 7 2019

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Northwestern Holt County in north central Nebraska...

* Until 1030 PM CDT.
    
* At 957 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles north of Stuart, or 20 miles southwest 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
  northwestern Holt County.

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.

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

&&

LAT...LON 4277 9914 4282 9904 4266 9875 4255 9901
TIME...MOT...LOC 0257Z 325DEG 28KT 4276 9908 

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

$$

Jacobs
2 follow-up statements
455 
WWUS53 KLBF 080313
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1013 PM CDT Wed Aug 7 2019

NEC089-080330-
/O.CON.KLBF.TO.W.0008.000000T0000Z-190808T0330Z/
Holt NE-
1013 PM CDT Wed Aug 7 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHWESTERN HOLT COUNTY...
    
At 1013 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northeast of Stuart, or 20 miles southwest of
Spencer, moving southeast at 30 mph.

HAZARD...Tornado and golf ball 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
northwestern Holt County.

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.

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

&&

LAT...LON 4274 9911 4278 9897 4266 9875 4255 9901
TIME...MOT...LOC 0313Z 323DEG 27KT 4267 9899 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Jacobs
618 
WWUS53 KLBF 080328
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1028 PM CDT Wed Aug 7 2019

NEC089-080337-
/O.EXP.KLBF.TO.W.0008.000000T0000Z-190808T0330Z/
Holt NE-
1028 PM CDT Wed Aug 7 2019

...THE TORNADO WARNING FOR NORTHWESTERN HOLT COUNTY WILL EXPIRE AT
1030 PM CDT...
    
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. 

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

LAT...LON 4274 9911 4278 9897 4266 9875 4255 9901
TIME...MOT...LOC 0327Z 325DEG 28KT 4259 9892 

$$

Jacobs

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:16 PM CDTSpecial Weather StatementLBFHolt29 min
Aug 7, 9:27 PM CDTSpecial Weather StatementLBFBoyd48 min
Aug 7, 9:46 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt44 min
Aug 7, 9:49 PM CDTSpecial Weather StatementLBFCherry41 min
Aug 7, 10:15 PM CDTSpecial Weather StatementLBFHolt45 min
Aug 7, 10:26 PM CDTSevere Thunderstorm WarningLBFHolt49 min
Aug 7, 11:26 PM CDTSevere Thunderstorm WarningLBFKeya Paha49 min
Aug 8, 1:49 PM CDTSpecial Weather StatementLBFArthur41 min
Aug 8, 2:28 PM CDTSpecial Weather StatementLBFMcPherson47 min
Aug 8, 2:54 PM CDTAreal Flood AdvisoryLBFFrontier56 min
Aug 8, 3:00 PM CDTSpecial Weather StatementLBFLincoln45 min
Aug 8, 3:04 PM CDTSpecial Weather StatementLBFMcPherson41 min
Aug 8, 3:21 PM CDTAreal Flood WarningLBFKeith, Perkins54 min
Aug 8, 3:33 PM CDTAreal Flood AdvisoryLBFLincoln2 hr
Aug 8, 3:46 PM CDTSpecial Weather StatementLBFLincoln44 min
Aug 8, 3:50 PM CDTSpecial Weather StatementLBFGrant40 min
Aug 8, 3:54 PM CDTAreal Flood WarningLBFLincoln119 min
Aug 8, 4:06 PM CDTSpecial Weather StatementLBFHooker39 min
Aug 8, 4:10 PM CDTSpecial Weather StatementLBFCuster50 min
Aug 8, 4:25 PM CDTAreal Flood AdvisoryLBFLincoln3 hr
Aug 8, 4:30 PM CDTSpecial Weather StatementLBFLincoln45 min
Aug 8, 4:38 PM CDTSevere Thunderstorm WarningLBFFrontier, Lincoln37 min
Aug 8, 4:48 PM CDTSpecial Weather StatementLBFBlaine, Garfield, Loup42 min
Aug 8, 4:54 PM CDTSpecial Weather StatementLBFCuster51 min
Aug 8, 5:00 PM CDTSpecial Weather StatementLBFGrant45 min
Aug 8, 5:14 PM CDTSevere Thunderstorm WarningLBFFrontier, Lincoln46 min
Aug 8, 5:16 PM CDTSpecial Weather StatementLBFHayes44 min
Aug 8, 5:21 PM CDTAreal Flood AdvisoryLBFFrontier, Hayes3 hr
Aug 8, 5:30 PM CDTSpecial Weather StatementLBFBlaine, Garfield, Loup45 min
Aug 8, 5:39 PM CDTAreal Flood AdvisoryLBFBlaine, Custer, Loup3 hr
Aug 8, 5:45 PM CDTSpecial Weather StatementLBFGrant45 min
Aug 8, 5:54 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Loup51 min
Aug 8, 5:57 PM CDTSpecial Weather StatementLBFFrontier48 min
Aug 8, 6:18 PM CDTSpecial Weather StatementLBFGarfield42 min
Aug 8, 6:30 PM CDTSpecial Weather StatementLBFThomas45 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.