Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Goodland, KS

May 26, 2021Graham County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 26, 2021, 8:53 PM CDT for Graham County, Kansas. It was in force for 22 min. 3 reports 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 26, 2021, 8:53 PM CDT (01:53 UTC)
Expired
May 26, 2021, 9:15 PM CDT
In force
22 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Graham County, KS

The radar

The Goodland radar (KGLD), 163 km from the middle of the area, began a volume at 01:53 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

TimeReportWhereRemark
May 26, 9:00 PM CDTTSTM WND DMG10 S Hill City, KSA QUARTER TO HALF THE SHINGLES ON A ROOF PEELED OFF BY THE WIND. ESTIMATED TIME OF REPORT FROM RADAR.
May 26, 9:07 PM CDTTORNADO8 S Hill City, KSBRIEF TORNADO WITH SMALL GROUND CIRCULATIONS REPORTED AT THIS LOCATION.
May 26, 9:10 PM CDTNON-TSTM WND GST 607 S Hill City, KSREPORT OF 60MPH WIND GUST FROM THE SOUTH.

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.

IssuedProductOfficeLasted
May 26, 4:42 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.9 hours before the alert went out and 166 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, Dodge City, at 00:00Z on 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1992 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, Dodge City, at 00:00Z on 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.19395878Sfc1 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
1992 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
1.7
Supercell composite
22.5

Open this sounding in Storm Lab

The text

As transmitted.

952 
WUUS53 KGLD 270153
SVRGLD
KSC065-270215-
/O.NEW.KGLD.SV.W.0097.210527T0153Z-210527T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
853 PM CDT Wed May 26 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Eastern Graham County in northwestern Kansas...

* Until 915 PM CDT.

* At 853 PM CDT, a severe thunderstorm was located near Hill City,
  moving northeast at 20 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.

* This severe thunderstorm will be near...
  Hill City around 905 PM CDT.

Other locations in the path of this severe thunderstorm include
Bogue.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for northwestern
Kansas.

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

&&

A Tornado Watch remains in effect until 200 AM CDT for northwestern
Kansas.

LAT...LON 3914 9973 3916 9993 3933 10000 3948 9987
      3932 9961
TIME...MOT...LOC 0153Z 224DEG 19KT 3932 9990 

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

Lockhart
1 follow-up statement
878 
WWUS53 KGLD 270209
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
909 PM CDT Wed May 26 2021

KSC065-270218-
/O.EXP.KGLD.SV.W.0097.000000T0000Z-210527T0215Z/
Graham KS-
909 PM CDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GRAHAM COUNTY WILL
EXPIRE AT 915 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.

A Tornado Watch remains in effect until 200 AM CDT for northwestern
Kansas.

LAT...LON 3914 9973 3916 9993 3933 10000 3948 9987
      3932 9961
TIME...MOT...LOC 0208Z 233DEG 19KT 3937 9983 

$$

Lockhart

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:26 PM CDTSpecial Weather StatementGLDNorton34 min
May 26, 7:42 PM CDTTornado WarningGLDDecatur, Graham, Norton, Sheridan18 min
May 26, 7:45 PM CDTSpecial Weather StatementGLDDecatur45 min
May 26, 7:59 PM CDTTornado WarningGLDNorton31 min
May 26, 8:03 PM CDTSevere Thunderstorm WarningGLDDecatur, Rawlins57 min
May 26, 8:24 PM CDTSevere Thunderstorm WarningGLDNorton51 min
May 26, 8:32 PM CDTSpecial Weather StatementGLDGraham13 min
May 26, 8:51 PM CDTSpecial Weather StatementGLDGraham24 min
May 26, 9:17 PM CDTSpecial Weather StatementGLDGraham58 min
May 26, 9:31 PM CDTSevere Thunderstorm WarningGLDGraham29 min
May 26, 10:00 PM CDTSevere Thunderstorm WarningGLDGraham15 min
May 26, 10:08 PM CDTFlash Flood WarningGLDGraham3 hr
May 26, 10:37 PM CDTSpecial Weather StatementGLDNorton53 min
May 26, 11:13 PM CDTSpecial Weather StatementGLDDecatur62 min
May 26, 11:25 PM CDTSpecial Weather StatementGLDNorton50 min
May 27, 12:17 AM CDTSpecial Weather StatementGLDGraham, Norton43 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021Every 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.