Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 113, NWS North Platte, NE

July 6, 2017Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 6, 2017, 1:57 PM MDT for Garden County, Nebraska. It was in force for 28 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
Jul 6, 2017, 1:57 PM MDT (19:57 UTC)
Expired
Jul 6, 2017, 2:25 PM MDT
In force
28 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Garden County, NE

The radar

The North Platte radar (KLNX), 172 km from the middle of the area, began a volume at 19:56 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.0 hours before the alert went out and 162 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 2017-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 587 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 2017-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
587 J/kg
Mixed-layer CIN
-377 J/kg
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

780 
WUUS53 KLBF 061957
SVRLBF
NEC069-062045-
/O.NEW.KLBF.SV.W.0113.170706T1957Z-170706T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
157 PM MDT THU JUL 6 2017

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southwestern Garden County in the Panhandle of Nebraska...

* Until 245 PM MDT

* At 156 PM MDT, a severe thunderstorm was located near Lisco, or 13
  miles west of Oshkosh, moving south at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Oshkosh, Lisco, Intersection of Highway 27 and 9 Mile Road and
  Sugar Loaf Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4155 10244 4129 10216 4122 10249 4122 10261
      4139 10261 4140 10264 4150 10264
TIME...MOT...LOC 1956Z 342DEG 12KT 4142 10260 

HAIL...1.00IN
WIND...60MPH
 
$$

Taylor
2 follow-up statements
628 
WWUS53 KLBF 062010
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
210 PM MDT THU JUL 6 2017

NEC069-062045-
/O.CON.KLBF.SV.W.0113.000000T0000Z-170706T2045Z/
Garden NE-
210 PM MDT THU JUL 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM MDT
FOR SOUTHWESTERN GARDEN COUNTY...

At 209 PM MDT, a severe thunderstorm was located near Oshkosh, moving
southeast at 15 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Oshkosh, Lisco, Intersection of Highway 27 and 9 Mile Road and Sugar
Loaf Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4155 10244 4129 10216 4122 10249 4122 10261
      4139 10261 4140 10264 4150 10264
TIME...MOT...LOC 2009Z 295DEG 12KT 4146 10246 

HAIL...<.75IN
WIND...60MPH
 
$$

Taylor
925 
WWUS53 KLBF 062025
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
225 PM MDT THU JUL 6 2017

NEC069-062033-
/O.CAN.KLBF.SV.W.0113.000000T0000Z-170706T2045Z/
Garden NE-
225 PM MDT THU JUL 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GARDEN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. However gusty winds are 
still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
North Platte.

LAT...LON 4155 10244 4129 10216 4122 10249 4122 10261
      4139 10261 4140 10264 4150 10264
TIME...MOT...LOC 2022Z 342DEG 12KT 4141 10244 

$$

Taylor

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 6:44 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan46 min
Jul 5, 7:22 PM MDTSpecial Weather StatementLBFCherry38 min
Jul 5, 7:51 PM MDTSpecial Weather StatementLBFCherry39 min
Jul 5, 9:59 PM MDTSpecial Weather StatementLBFBoyd, Keya Paha61 min
Jul 5, 10:28 PM MDTSpecial Weather StatementLBFBoyd, Keya Paha, Rock62 min
Jul 5, 11:21 PM MDTSevere Thunderstorm WarningLBFHolt, Rock39 min
Jul 5, 11:28 PM MDTSpecial Weather StatementLBFHolt47 min
Jul 5, 11:50 PM MDTSpecial Weather StatementLBFWheeler40 min
Jul 6, 12:03 AM MDTSpecial Weather StatementLBFGarfield57 min
Jul 6, 3:18 PM MDTSpecial Weather StatementLBFHayes42 min
Jul 6, 3:56 PM MDTSpecial Weather StatementLBFChase49 min
Jul 6, 4:51 PM MDTSpecial Weather StatementLBFHayes54 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning 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.