Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 21, NWS Goodland, KS

May 2, 2021Graham County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 2, 2021, 9:23 PM CDT for Graham County, Kansas. It was in force for 38 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
May 2, 2021, 9:23 PM CDT (02:23 UTC)
Expired
May 2, 2021, 10:01 PM CDT
In force
38 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Graham County, KS

The radar

The Goodland radar (KGLD), 156 km from the middle of the area, began a volume at 02:26 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.

IssuedProductOfficeLasted
May 2, 5:41 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.4 hours before the alert went out and 172 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1069 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939Sfc1 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
1069 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1754 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.1
Supercell composite
12.1

Open this sounding in Storm Lab

The text

As transmitted.

964 
WUUS53 KGLD 030223
SVRGLD
KSC065-030330-
/O.NEW.KGLD.SV.W.0021.210503T0223Z-210503T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
923 PM CDT Sun May 2 2021

The National Weather Service in Goodland has issued a

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

* Until 1030 PM CDT.

* At 922 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles north of Voda to Nicodemus, moving east at
  15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Weather Instrument at Hill City.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Bogue and Nicodemus around 930 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3913 10016 3935 10016 3957 9965 3957 9960
      3913 9961
TIME...MOT...LOC 0222Z 286DEG 12KT 3911 10002 3939 9962 

HAIL...<.75IN
WIND...60MPH
 
$$

Lundquist
2 follow-up statements
305 
WWUS53 KGLD 030249
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
949 PM CDT Sun May 2 2021

KSC065-030330-
/O.CON.KGLD.SV.W.0021.000000T0000Z-210503T0330Z/
Graham KS-
949 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR GRAHAM COUNTY...

At 949 PM CDT, severe thunderstorms were located along a line
extending from near Cedar Bluff to Plainville, moving east at 35 mph.

HAZARD...60 mph wind gusts behind line of stronger storms.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe thunderstorms will remain over mainly rural areas of
Graham County, including the following locations... Saint Peter,
Studley and Penokee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3913 10016 3935 10016 3957 9965 3957 9960
      3913 9961
TIME...MOT...LOC 0249Z 291DEG 30KT 3880 9969 3925 9930 

HAIL...<.75IN
WIND...60MPH
 
$$

Lundquist
580 
WWUS53 KGLD 030301
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
1001 PM CDT Sun May 2 2021

KSC065-030310-
/O.CAN.KGLD.SV.W.0021.000000T0000Z-210503T0330Z/
Graham KS-
1001 PM CDT Sun May 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR GRAHAM COUNTY IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
northwestern and west central Kansas.

LAT...LON 3913 10016 3935 10016 3957 9965 3957 9960
      3913 9961
TIME...MOT...LOC 0258Z 286DEG 12KT 3879 9965 3924 9926 

$$

Lundquist

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:04 PM CDTFlash Flood WarningGLDThomas78 min
May 2, 7:12 PM CDTSpecial Weather StatementGLDDecatur, Gove, Graham, Logan, Norton, Sheridan and 1 more63 min
May 2, 7:22 PM CDTSevere Thunderstorm WarningGLDLogan, Thomas, Wichita83 min
May 2, 7:33 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton72 min
May 2, 7:45 PM CDTSevere Thunderstorm WarningGLDGove, Sheridan90 min
May 2, 7:54 PM CDTSevere Thunderstorm WarningGLDGraham96 min
May 2, 8:06 PM CDTSpecial Weather StatementGLDWichita9 min
May 2, 8:43 PM CDTSevere Thunderstorm WarningGLDNorton47 min
May 2, 9:14 PM CDTSevere Thunderstorm WarningGLDGove46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.