Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 42, NWS Goodland, KS

May 15, 2021Greeley County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 15, 2021, 8:31 PM MDT for Greeley County, Kansas. It was in force for 44 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 15, 2021, 8:31 PM MDT (02:31 UTC)
Expired
May 15, 2021, 9:15 PM MDT
In force
44 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Greeley County, KS

The radar

The Goodland radar (KGLD), 103 km from the middle of the area, began a volume at 02:33 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 15, 8:45 PM MDTHAIL 0.25Horace, KSSPOTTER REPORTED SLIGHTLY LARGER THAN PEA SIZE HAIL ONGOING AND WATER ON ROADS. WATER DEPTH ESTIMATED AT MAYBE ONE INCH.

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 15, 5:53 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.5 hours before the alert went out and 186 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 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1303 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 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1303 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

089 
WUUS53 KGLD 160231
SVRGLD
KSC071-160315-
/O.NEW.KGLD.SV.W.0042.210516T0231Z-210516T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
831 PM MDT Sat May 15 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Greeley County in west central Kansas...

* Until 915 PM MDT.

* At 830 PM MDT, severe thunderstorms were located along a line
  extending from 15 miles south of Wallace to 12 miles southeast of
  Towner, moving northeast at 5 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.

* These severe thunderstorms will remain over mainly rural areas of
  Greeley County.

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 3850 10205 3860 10203 3869 10159 3833 10157
      3826 10157 3826 10204
TIME...MOT...LOC 0230Z 221DEG 6KT 3869 10161 3832 10198 

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

JN
1 follow-up statement
589 
WWUS53 KGLD 160241
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
841 PM MDT Sat May 15 2021

KSC071-160315-
/O.CON.KGLD.SV.W.0042.000000T0000Z-210516T0315Z/
Greeley KS-
841 PM MDT Sat May 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM MDT
FOR GREELEY COUNTY...

At 841 PM MDT, severe thunderstorms were located along a line
extending from 14 miles south of Wallace to 11 miles southeast of
Towner, moving northeast at 5 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.

Locations impacted include...
Tribune and Horace. 

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 3850 10205 3860 10203 3869 10159 3833 10157
      3826 10157 3826 10204
TIME...MOT...LOC 0241Z 221DEG 6KT 3870 10160 3833 10197 

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

JN

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:49 PM MDTSpecial Weather StatementGLDGreeley41 min
May 15, 7:56 PM MDTSevere Thunderstorm WarningGLDGreeley34 min
May 15, 8:09 PM MDTSevere Thunderstorm WarningGLDWichita36 min
May 15, 8:26 PM MDTFlash Flood WarningGLDGreeley4 hr
May 15, 8:34 PM MDTFlash Flood WarningGLDWichita4 hr
May 15, 8:45 PM MDTSevere Thunderstorm WarningGLDLogan, Wallace45 min
May 15, 8:50 PM MDTSpecial Weather StatementGLDWichita55 min
May 15, 9:17 PM MDTSpecial Weather StatementGLDGreeley58 min
May 15, 9:21 PM MDTSevere Thunderstorm WarningGLDGove39 min
May 15, 9:25 PM MDTFlash Flood WarningGLDLogan3 hr
May 15, 9:32 PM MDTSpecial Weather StatementGLDLogan58 min
May 15, 9:53 PM MDTFlash Flood WarningGLDGove3 hr
May 15, 10:03 PM MDTSevere Thunderstorm WarningGLDGove, Logan42 min
May 15, 10:20 PM MDTSpecial Weather StatementGLDGraham, Sheridan, Thomas55 min
May 15, 10:29 PM MDTFlash Flood WarningGLDWichita2 hr
May 15, 10:35 PM MDTSpecial Weather StatementGLDWichita40 min
May 15, 10:37 PM MDTSevere Thunderstorm WarningGLDSheridan15 min
May 15, 11:04 PM MDTSpecial Weather StatementGLDSherman41 min
May 15, 11:12 PM MDTSpecial Weather StatementGLDDecatur, Norton, Rawlins78 min
May 15, 11:15 PM MDTSpecial Weather StatementGLDGraham, Sheridan, Thomas75 min
May 15, 11:18 PM MDTSpecial Weather StatementGLDGove, Logan57 min
May 16, 12:27 AM MDTAreal Flood WarningGLDGove, Logan, Wichita5 hr
May 16, 12:41 AM MDTAreal Flood WarningGLDGreeley, Wallace, Wichita5 hr
May 16, 1:05 AM MDTAreal Flood WarningGLDGraham5 hr
May 16, 1:10 AM MDTAreal Flood WarningGLDGove, Sheridan5 hr
May 16, 1:49 AM MDTFlash Flood WatchGLDGove, Greeley, Logan, Wallace, Wichita23 hr
May 16, 4:48 PM MDTSpecial Weather StatementGLDThomas57 min
May 16, 5:42 PM MDTSpecial Weather StatementGLDSheridan, Thomas63 min
May 16, 5:49 PM MDTSevere Thunderstorm WarningGLDGraham, Sheridan41 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.