Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 186, NWS Goodland, KS

August 9, 2021Dundy County, Hitchcock County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Aug 9, 2021, 4:59 PM MDT for Dundy County, Hitchcock County, Nebraska. It was in force for 46 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 9, 2021, 4:59 PM MDT (22:59 UTC)
Expired: Aug 9, 2021, 5:45 PM MDT
In force: 46 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 22:59 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
Aug 9, 5:06 PM MDT	HAIL 0.25	2 N Benkelman, NE	SPOTTER REPORT RELAYED VIA SOCIAL MEDIA.

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, 11.0 hours before the alert went out and 134 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: 28 J/kg
Mixed-layer CIN: -619 J/kg
Mixed-layer LCL: 2573 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -78 m²/s²
0-3 km storm-relative helicity: -37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

252 
WUUS53 KGLD 092259
SVRGLD
NEC057-087-092345-
/O.NEW.KGLD.SV.W.0186.210809T2259Z-210809T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
459 PM MDT Mon Aug 9 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  West central Hitchcock County in southwestern Nebraska...
  Southeastern Dundy County in southwestern Nebraska...

* Until 545 PM MDT/645 PM CDT/.

* At 459 PM MDT/559 PM CDT/, a severe thunderstorm was located 4
  miles north of Benkelman, moving northeast 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.

* This severe thunderstorm will remain over mainly rural areas of
  west central Hitchcock and southeastern Dundy Counties, including
  the following locations... Max.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4005 10155 4008 10163 4027 10144 4016 10123
TIME...MOT...LOC 2259Z 229DEG 14KT 4012 10151 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MRC

2 follow-up statements

826 
WWUS53 KGLD 092315
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
515 PM MDT Mon Aug 9 2021

NEC057-087-092345-
/O.CON.KGLD.SV.W.0186.000000T0000Z-210809T2345Z/
Hitchcock NE-Dundy NE-
515 PM MDT Mon Aug 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM
MDT/645 PM CDT/ FOR WEST CENTRAL HITCHCOCK AND SOUTHEASTERN DUNDY
COUNTIES...

At 515 PM MDT/615 PM CDT/, a severe thunderstorm was located 8 miles
northeast of Benkelman, moving northeast 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...
Max.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4007 10150 4011 10160 4027 10144 4016 10123
TIME...MOT...LOC 2315Z 229DEG 14KT 4016 10145 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MRC

592 
WWUS53 KGLD 092340
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
540 PM MDT Mon Aug 9 2021

NEC057-087-092350-
/O.EXP.KGLD.SV.W.0186.000000T0000Z-210809T2345Z/
Hitchcock NE-Dundy NE-
540 PM MDT Mon Aug 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL HITCHCOCK AND
SOUTHEASTERN DUNDY COUNTIES WILL EXPIRE AT 545 PM MDT/645 PM CDT/...
                
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.

LAT...LON 4007 10150 4011 10160 4027 10144 4016 10123
TIME...MOT...LOC 2340Z 229DEG 14KT 4022 10136 

$$

MRC

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 9, 4:39 PM MDT	Special Weather Statement	GLD	Dundy	36 min
Aug 9, 4:51 PM MDT	Special Weather Statement	GLD	Dundy	24 min
Aug 9, 5:30 PM MDT	Special Weather Statement	GLD	Dundy	30 min
Aug 9, 5:38 PM MDT	Special Weather Statement	GLD	Hitchcock	37 min
Aug 9, 5:47 PM MDT	Special Weather Statement	GLD	Hitchcock	28 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.