Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 145, NWS Goodland, KS

July 4, 2021Graham County, Sheridan County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Jul 4, 2021, 4:58 PM CDT for Graham County, Sheridan County, Kansas. It was in force for 32 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 4, 2021, 4:58 PM CDT (21:58 UTC)
Expired: Jul 4, 2021, 5:30 PM CDT
In force: 32 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Graham County, KS, Sheridan County, KS

The radar

The Goodland radar (KGLD), 128 km from the middle of the area, began a volume at 21:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 4, 4:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 hours before the alert went out and 194 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: 524 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 1478 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

112 
WUUS53 KGLD 042158
SVRGLD
KSC065-179-042230-
/O.NEW.KGLD.SV.W.0145.210704T2158Z-210704T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
458 PM CDT Sun Jul 4 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sheridan County in northwestern Kansas...
  Western Graham County in northwestern Kansas...

* Until 530 PM CDT.

* At 457 PM CDT, a severe thunderstorm was located 9 miles east of
  Hoxie, moving southwest at 10 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.

* This severe thunderstorm will remain over mainly rural areas of
  northeastern Sheridan and western Graham Counties, including the
  following locations... Tasco and Studley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3955 10030 3954 10003 3921 10005 3930 10018
      3930 10039
TIME...MOT...LOC 2157Z 026DEG 10KT 3939 10026 

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

JN

1 follow-up statement

294 
WWUS53 KGLD 042231
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
531 PM CDT Sun Jul 4 2021

KSC065-179-042241-
/O.EXP.KGLD.SV.W.0145.000000T0000Z-210704T2230Z/
Sheridan KS-Graham KS-
531 PM CDT Sun Jul 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SHERIDAN AND
WESTERN GRAHAM COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.  However heavy rain is still possible with
this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northwestern Kansas.

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

LAT...LON 3955 10030 3954 10003 3921 10005 3930 10018
      3930 10039
TIME...MOT...LOC 2231Z 026DEG 10KT 3931 10031 

$$

AW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 9:03 PM CDT	Special Weather Statement	GLD	Sherman	27 min
Jul 3, 9:27 PM CDT	Special Weather Statement	GLD	Sherman	33 min
Jul 4, 3:47 PM CDT	Special Weather Statement	GLD	Graham	28 min
Jul 4, 4:10 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	35 min
Jul 4, 4:26 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	34 min
Jul 4, 4:39 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	36 min
Jul 4, 4:58 PM CDT	Flash Flood Warning	GLD	Gove, Graham, Sheridan	2 hr
Jul 4, 5:15 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan	60 min
Jul 4, 5:30 PM CDT	Special Weather Statement	GLD	Sheridan	30 min
Jul 4, 6:09 PM CDT	Special Weather Statement	GLD	Logan	36 min
Jul 4, 6:15 PM CDT	Special Weather Statement	GLD	Gove	30 min
Jul 4, 6:34 PM CDT	Special Weather Statement	GLD	Rawlins	26 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.