Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 15, NWS Goodland, KS

May 2, 2021Decatur County, Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 2, 2021, 7:33 PM CDT for Decatur County, Norton County, Kansas. It was in force for 72 min. 8 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 2, 2021, 7:33 PM CDT (00:33 UTC)
Expired
May 2, 2021, 8:45 PM CDT
In force
72 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Decatur County, KS, Norton County, KS

The radar

The Goodland radar (KGLD), 128 km from the middle of the area, began a volume at 00:34 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 2, 7:35 PM CDTTSTM WND GST 551 Nnw Oberlin, KSAWOS STATION KOIN OBERLIN.
May 2, 7:55 PM CDTTSTM WND GST 531 S Jennings, KSMESONET STATION K5HJN K-383 - 2 MI. SW OF JENNINGS.
May 2, 7:55 PM CDTTSTM WND GST 601 Nnw Oberlin, KSAWOS STATION KOIN OBERLIN MEASURED A GUST OF 60 MPH.
May 2, 7:59 PM CDTTSTM WND GST 771 Nne New Almelo, KSREPORTED VIA WEATHER UNDERGROUND. MESONET STATION KKSCLAYT3 MEASURED A THUNDERSTORM WIND GUST OF 77 MPH.
May 2, 8:00 PM CDTHAIL 0.755 S Norton, KSCALLER REPORTED PENNY SIZED HAIL THAT BEGAN AT 6:45 PM MT AND LASTED FOR 15 MINUTES.
May 2, 8:22 PM CDTTSTM WND GST 726 S Norton, KSCALLER REPORTED A MEASURED WIND GUST OF 72 MPH.
May 2, 8:35 PM CDTTSTM WND GST 591 Nnw Norton, KSAWOS STATION KNRN NORTON MEASURED A WIND GUST OF 59 MPH.
May 2, 8:49 PM CDTTSTM WND GST 581 Se Almena, KSDELAYED REPORT VIA WEATHER UNDERGROUND. MESONET STATION KKSALMEN2 REPORTED 58 MPH WIND GUST.

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 2, 5:41 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 157 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1171 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

283 
WUUS53 KGLD 030033
SVRGLD
KSC039-137-030145-
/O.NEW.KGLD.SV.W.0015.210503T0033Z-210503T0145Z/

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

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Norton County in northwestern Kansas...
  Decatur County in northwestern Kansas...

* Until 845 PM CDT.

* At 732 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles west of Danbury to 8 miles north of Rexford,
  moving east at 50 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Mesonet at Oberlin.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Dresden, Jennings, Lenora and Edmond.

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 3957 10074 4000 10073 4000 9962 3957 9963
TIME...MOT...LOC 0032Z 267DEG 41KT 4001 10053 3960 10077 

HAIL...<.75IN
WIND...70MPH
 
$$

Lundquist
3 follow-up statements
193 
WWUS53 KGLD 030052
SVSGLD

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

KSC039-137-030145-
/O.CON.KGLD.SV.W.0015.000000T0000Z-210503T0145Z/
Norton KS-Decatur KS-
752 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTON AND DECATUR COUNTIES...

At 751 PM CDT, severe thunderstorms were located along a line
extending from 3 miles south of Lebanon to 4 miles southwest of
Dresden, moving east at 45 mph.

HAZARD...55 mph wind gusts.

SOURCE...Weather Instrument.

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

Locations impacted include...
Norton, Oberlin, Almena, Lenora, Norcatur, Jennings and Clayton. 

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 3957 10074 4000 10073 4000 9962 3957 9963
TIME...MOT...LOC 0051Z 271DEG 40KT 4001 10026 3960 10050 

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

Lundquist
859 
WWUS53 KGLD 030101
SVSGLD

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

KSC039-137-030145-
/O.CON.KGLD.SV.W.0015.000000T0000Z-210503T0145Z/
Norton KS-Decatur KS-
801 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTON AND DECATUR COUNTIES...

At 800 PM CDT, severe thunderstorms were located along a line
extending from 6 miles south of Wilsonville to near Dresden, moving
east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Weather INSTRUMENT at Oberlin.

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

Locations impacted include...
Norton, Oberlin, Almena, Lenora, Norcatur, Jennings and Clayton. 

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 3957 10074 4000 10056 4000 9962 3957 9963
TIME...MOT...LOC 0100Z 267DEG 41KT 4001 10013 3961 10037 

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

Lundquist
159 
WWUS53 KGLD 030123
SVSGLD

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

KSC039-030133-
/O.CAN.KGLD.SV.W.0015.000000T0000Z-210503T0145Z/
Decatur KS-
823 PM CDT Sun May 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR DECATUR COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3957 9963 3957 10018 4000 10018 4000 9962
TIME...MOT...LOC 0123Z 268DEG 13KT 3998 9996 3959 10002 

$$

KSC137-030145-
/O.CON.KGLD.SV.W.0015.000000T0000Z-210503T0145Z/
Norton KS-
823 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTON COUNTY...

At 823 PM CDT, severe thunderstorms were located along a line
extending from 10 miles south of Hendley to near Lenora, moving east
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...
Norton, Almena, Lenora, Norcatur, Clayton, Edmond and New Almelo. 

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 3957 9963 3957 10018 4000 10018 4000 9962
TIME...MOT...LOC 0123Z 268DEG 13KT 3998 9996 3959 10002 

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

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, 7:45 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
May 2, 9:23 PM CDTSevere Thunderstorm WarningGLDGraham38 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.