Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Goodland, KS

May 2, 2021Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 2, 2021, 8:43 PM CDT for Norton County, Kansas. It was in force for 47 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: May 2, 2021, 8:43 PM CDT (01:43 UTC)
Expired: May 2, 2021, 9:30 PM CDT
In force: 47 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 80.0 mph

County Norton County, KS

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 01:45 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
May 2, 8:49 PM CDT	TSTM WND GST 58	1 Se Almena, KS	DELAYED 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.

Issued	Product	Office	Lasted
May 2, 5:41 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.7 hours before the alert went out and 165 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: 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.

633 
WUUS53 KGLD 030143
SVRGLD
KSC137-030300-
/O.NEW.KGLD.SV.W.0019.210503T0143Z-210503T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
843 PM CDT Sun May 2 2021

The National Weather Service in Goodland has issued a

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

* Until 1000 PM CDT.

* At 842 PM CDT, severe thunderstorms were located along a line
  extending from 9 miles northwest of Almena to 5 miles southwest of
  Edmond, moving east at 15 mph.

  These are very dangerous storms.

  HAZARD...80 mph wind gusts.

  SOURCE...Weather Instruments.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Severe thunderstorms will be near...
  Edmond around 855 PM CDT.

Other locations in the path of these severe thunderstorms include
Almena.

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 10012 4000 10009 4000 9962 3957 9963
TIME...MOT...LOC 0142Z 278DEG 13KT 3998 9983 3958 9989 

HAIL...<.75IN
WIND...80MPH
 
$$

Lundquist

2 follow-up statements

018 
WWUS53 KGLD 030207
SVSGLD

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

KSC137-030300-
/O.CON.KGLD.SV.W.0019.000000T0000Z-210503T0300Z/
Norton KS-
907 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR EASTERN NORTON COUNTY...

At 906 PM CDT, severe thunderstorms were located along a line
extending from 5 miles north of Almena to 4 miles southeast of
Edmond, moving east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Almena.

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 9987 4000 9979 4000 9962 3957 9963
TIME...MOT...LOC 0206Z 270DEG 13KT 3997 9973 3957 9979 

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

Lundquist

615 
WWUS53 KGLD 030230
SVSGLD

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

KSC137-030239-
/O.CAN.KGLD.SV.W.0019.000000T0000Z-210503T0300Z/
Norton KS-
930 PM CDT Sun May 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NORTON COUNTY IS
CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned 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 Kansas.

LAT...LON 3957 9987 4000 9979 4000 9962 3957 9963
TIME...MOT...LOC 0226Z 278DEG 13KT 3996 9963 3956 9969 

$$

Lundquist

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 7:04 PM CDT	Flash Flood Warning	GLD	Thomas	78 min
May 2, 7:12 PM CDT	Special Weather Statement	GLD	Decatur, Gove, Graham, Logan, Norton, Sheridan and 1 more	63 min
May 2, 7:22 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Thomas, Wichita	83 min
May 2, 7:33 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	72 min
May 2, 7:45 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Sheridan	90 min
May 2, 7:54 PM CDT	Severe Thunderstorm Warning	GLD	Graham	96 min
May 2, 8:06 PM CDT	Special Weather Statement	GLD	Wichita	9 min
May 2, 9:14 PM CDT	Severe Thunderstorm Warning	GLD	Gove	46 min
May 2, 9:23 PM CDT	Severe Thunderstorm Warning	GLD	Graham	38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.