Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS North Platte, NE

May 13, 2021Arthur County, Garden County, Grant County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 13, 2021, 3:53 PM MDT for Arthur County, Garden County, Grant County, Nebraska. It was in force for 52 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: May 13, 2021, 3:53 PM MDT (21:53 UTC)
Expired: May 13, 2021, 4:45 PM MDT
In force: 52 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Arthur County, NE, Garden County, NE, Grant County, NE

The radar

The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 21:54 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
May 13, 4:48 PM MDT	HAIL 0.88	12 S Arthur, NE	DELAYED REPORT. ESTIMATED NICKLE SIZED HAIL REPORTED VIA FACEBOOK.

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 12:00Z, 9.9 hours before the alert went out and 115 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: 957 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 306 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

960 
WUUS53 KLBF 132153
SVRLBF
NEC005-069-075-132245-
/O.NEW.KLBF.SV.W.0006.210513T2153Z-210513T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
353 PM MDT Thu May 13 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Arthur County in west central Nebraska...
  Southwestern Grant County in west central Nebraska...
  East central Garden County in the Panhandle of Nebraska...

* Until 445 PM MDT.

* At 353 PM MDT, a severe thunderstorm was located 15 miles west of
  Arthur, moving southeast at 25 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...
  Arthur, Velma, Haythorn Lake, Jensen Lake, Bourquim Hill and
  McKeag.

This includes the following highways...
 Highway 61 between mile markers 110 and 133.
 Highway 92 between mile markers 165 and 177.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4179 10201 4161 10142 4139 10157 4139 10179
      4160 10216
TIME...MOT...LOC 2153Z 297DEG 23KT 4164 10198 

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

Jurgensen

1 follow-up statement

778 
WWUS53 KLBF 132213
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
413 PM MDT Thu May 13 2021

NEC069-075-132223-
/O.CAN.KLBF.SV.W.0006.000000T0000Z-210513T2245Z/
Grant NE-Garden NE-
413 PM MDT Thu May 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GRANT AND EAST
CENTRAL GARDEN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4174 10198 4174 10185 4161 10142 4139 10157
      4139 10179 4150 10199
TIME...MOT...LOC 2213Z 294DEG 20KT 4162 10189 

$$

NEC005-132245-
/O.CON.KLBF.SV.W.0006.000000T0000Z-210513T2245Z/
Arthur NE-
413 PM MDT Thu May 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR ARTHUR COUNTY...

At 413 PM MDT, a severe thunderstorm was located 10 miles west of
Arthur, moving southeast at 25 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...
Arthur, Velma, Haythorn Lake, Jensen Lake and McKeag. 

This includes the following highways...
 Highway 61 between mile markers 110 and 133.
 Highway 92 between mile markers 165 and 177.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4174 10198 4174 10185 4161 10142 4139 10157
      4139 10179 4150 10199
TIME...MOT...LOC 2213Z 294DEG 20KT 4162 10189 

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

Jurgensen

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 2:04 PM MDT	Special Weather Statement	LBF	Cherry	41 min
May 13, 2:12 PM MDT	Special Weather Statement	LBF	Cherry	48 min
May 13, 2:17 PM MDT	Special Weather Statement	LBF	Grant	43 min
May 13, 2:44 PM MDT	Severe Thunderstorm Warning	LBF	Grant, Sheridan	46 min
May 13, 2:49 PM MDT	Severe Thunderstorm Warning	LBF	Garden	41 min
May 13, 3:12 PM MDT	Special Weather Statement	LBF	Thomas	48 min
May 13, 3:27 PM MDT	Special Weather Statement	LBF	Arthur, Grant	48 min
May 13, 3:36 PM MDT	Special Weather Statement	LBF	Chase	24 min
May 13, 3:43 PM MDT	Special Weather Statement	LBF	Arthur	47 min
May 13, 3:56 PM MDT	Special Weather Statement	LBF	Thomas	49 min
May 13, 3:58 PM MDT	Special Weather Statement	LBF	Chase	47 min
May 13, 4:44 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith	46 min
May 13, 5:10 PM MDT	Special Weather Statement	LBF	Logan	50 min
May 13, 5:12 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, McPherson, Perkins	48 min
May 13, 5:30 PM MDT	Special Weather Statement	LBF	McPherson	45 min
May 13, 5:36 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan, Thomas	39 min
May 13, 5:50 PM MDT	Severe Thunderstorm Warning	LBF	Hayes, Keith, Lincoln, Perkins	40 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021 Every severe thunderstorm warning in 2021

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.