Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 113, NWS North Platte, NE

June 17, 2020Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 17, 2020, 9:17 PM MDT for Cherry County, Nebraska. It was in force for 43 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: Jun 17, 2020, 9:17 PM MDT (03:17 UTC)
Expired: Jun 17, 2020, 10:00 PM MDT
In force: 43 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 52 km from the middle of the area, began a volume at 03:17 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
Jun 17, 9:37 PM MDT	HAIL 1	15 N Mullen, 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
Jun 17, 5:29 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.3 hours before the alert went out and 137 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: 1871 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 2589 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

As transmitted.

628 
WUUS53 KLBF 180317
SVRLBF
NEC031-180400-
/O.NEW.KLBF.SV.W.0113.200618T0317Z-200618T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1017 PM CDT Wed Jun 17 2020

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  South central Cherry County in north central Nebraska...

* Until 1100 PM CDT/1000 PM MDT/.

* At 1017 PM CDT/917 PM MDT/, a severe thunderstorm was located 13
  miles northwest of Mullen, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Highway 97 crossing the North Loup River, Marsh Flat, Highway 97
  crossing Big Creek and Sevenmile Hill.

This includes Highway 97 between mile markers 77 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4234 10065 4209 10122 4224 10134 4262 10100
TIME...MOT...LOC 0317Z 220DEG 35KT 4219 10121 

HAIL...1.25IN
WIND...60MPH
 
$$

Roberg

2 follow-up statements

456 
WWUS53 KLBF 180335
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1035 PM CDT Wed Jun 17 2020

NEC031-180400-
/O.CON.KLBF.SV.W.0113.000000T0000Z-200618T0400Z/
Cherry NE-
1035 PM CDT Wed Jun 17 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM
CDT/1000 PM MDT/ FOR SOUTH CENTRAL CHERRY COUNTY...

At 1034 PM CDT/934 PM MDT/, a severe thunderstorm was located 12
miles north of Mullen, moving northeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Highway 97 crossing the North Loup River, Marsh Flat, Highway 97
crossing Big Creek and Sevenmile Hill.

This includes Highway 97 between mile markers 77 and 107.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4234 10065 4209 10122 4224 10134 4262 10100
TIME...MOT...LOC 0334Z 228DEG 30KT 4222 10106 

HAIL...1.50IN
WIND...60MPH
 
$$

Roberg

322 
WWUS53 KLBF 180400
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1100 PM CDT Wed Jun 17 2020

NEC031-180409-
/O.EXP.KLBF.SV.W.0113.000000T0000Z-200618T0400Z/
Cherry NE-
1100 PM CDT Wed Jun 17 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHERRY COUNTY
WILL EXPIRE AT 1100 PM CDT/1000 PM MDT/...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
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 100 AM
CDT/midnight MDT/ for north central and west central Nebraska.

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

LAT...LON 4234 10065 4209 10122 4224 10134 4262 10100
TIME...MOT...LOC 0359Z 220DEG 35KT 4240 10086 

$$

Roberg

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 6:00 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	45 min
Jun 17, 6:15 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	45 min
Jun 17, 6:23 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker	52 min
Jun 17, 6:36 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	39 min
Jun 17, 7:05 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	40 min
Jun 17, 7:07 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	38 min
Jun 17, 7:13 PM MDT	Special Weather Statement	LBF	Grant	47 min
Jun 17, 7:50 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker	40 min
Jun 17, 8:06 PM MDT	Special Weather Statement	LBF	Cherry	39 min
Jun 17, 8:33 PM MDT	Special Weather Statement	LBF	Keya Paha	12 min
Jun 17, 8:34 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker	41 min
Jun 17, 9:01 PM MDT	Special Weather Statement	LBF	Cherry	44 min
Jun 17, 9:22 PM MDT	Special Weather Statement	LBF	Grant	38 min
Jun 17, 9:40 PM MDT	Areal Flood Advisory	LBF	Brown, Cherry, Keya Paha	6 hr
Jun 17, 9:56 PM MDT	Special Weather Statement	LBF	Keya Paha	49 min
Jun 17, 10:02 PM MDT	Special Weather Statement	LBF	Cherry	43 min
Jun 17, 10:18 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	42 min
Jun 17, 10:49 PM MDT	Special Weather Statement	LBF	Keya Paha	26 min
Jun 17, 11:03 PM MDT	Special Weather Statement	LBF	Cherry	12 min
Jun 17, 11:15 PM MDT	Special Weather Statement	LBF	Cherry	15 min
Jun 17, 11:37 PM MDT	Special Weather Statement	LBF	Keya Paha	38 min
Jun 18, 12:14 AM MDT	Areal Flood Advisory	LBF	Cherry	3 hr
Jun 18, 12:21 AM MDT	Special Weather Statement	LBF	Keya Paha	24 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2020 Every severe thunderstorm warning in 2020

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.