Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Goodland, KS

May 2, 2021Sherman County, Thomas County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 2, 2021, 5:14 PM MDT for Sherman County, Thomas County, Kansas. It was in force for 76 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 2, 2021, 5:14 PM MDT (23:14 UTC)
Expired
May 2, 2021, 6:30 PM MDT
In force
76 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Sherman County, KS, Thomas County, KS

The radar

The Goodland radar (KGLD), 19 km from the middle of the area, began a volume at 23:15 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, 5:20 PM MDTHAIL 11 Ene Brewster, KSOFF DUTY NWS EMPLOYEE REPORTS DIME TO QUARTER SIZE HAIL.
May 2, 5:34 PM MDTTSTM WND GST 652 Wnw Edson, KSNEAR ZERO VISIBILITY DUE TO BLOWING DUST.
May 2, 6:03 PM MDTTSTM WND GST 702 Sse Brewster, KSEM REPORTS FROM DEPUTY ESTIMATES NEAR ZERO VISIBILITY AND STRONG WINDS ESTIMATED NEAR 70.

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, 4:41 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.2 hours before the alert went out and 161 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, Denver, CO at 12:00Z on 2021-05-02Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2021-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -89 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
1976 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-89 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

829 
WUUS53 KGLD 022314
SVRGLD
KSC181-193-030030-
/O.NEW.KGLD.SV.W.0013.210502T2314Z-210503T0030Z/

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

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Thomas County in northwestern Kansas...
  Sherman County in northwestern Kansas...

* Until 630 PM MDT/730 PM CDT/.

* At 514 PM MDT/614 PM CDT/, severe thunderstorms were located along
  a line extending from 12 miles south of Bird City to 15 miles south
  of Ruleton, moving east at 35 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...
  Rexford and Oakley.

This includes Interstate 70 in Kansas between mile markers 3 and 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

These thunderstorms will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.

&&

LAT...LON 3914 10204 3957 10194 3957 10073 3913 10072
TIME...MOT...LOC 2314Z 268DEG 32KT 3957 10151 3913 10178 

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

Lundquist
5 follow-up statements
311 
WWUS53 KGLD 022323
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
523 PM MDT Sun May 2 2021

KSC181-193-030030-
/O.CON.KGLD.SV.W.0013.000000T0000Z-210503T0030Z/
Thomas KS-Sherman KS-
523 PM MDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM
MDT/730 PM CDT/ FOR THOMAS AND SHERMAN COUNTIES...

At 522 PM MDT/622 PM CDT/, severe thunderstorms were located along a
line extending from 13 miles southeast of Bird City to 14 miles south
of Goodland, moving east at 40 mph.

HAZARD...60 mph wind gusts and near zero visibility.

SOURCE...Trained weather spotters north of Edson.

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

Locations impacted include...
Colby, Goodland, Oakley, Brewster, Ruleton, Levant and Rexford. 

This includes Interstate 70 in Kansas between mile markers 3 and 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

These thunderstorms will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.

&&

LAT...LON 3914 10204 3957 10194 3957 10073 3913 10072
TIME...MOT...LOC 2322Z 268DEG 35KT 3958 10139 3914 10166 

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

Lundquist
086 
WWUS53 KGLD 022326
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
526 PM MDT Sun May 2 2021

KSC181-193-030030-
/O.CON.KGLD.SV.W.0013.000000T0000Z-210503T0030Z/
Thomas KS-Sherman KS-
526 PM MDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM
MDT/730 PM CDT/ FOR THOMAS AND SHERMAN COUNTIES...

At 525 PM MDT/625 PM CDT/, severe thunderstorms were located along a
line extending from 14 miles south of McDonald to 15 miles southeast
of Goodland, moving east at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Trained weather spotters in Brewster.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Colby, Goodland, Oakley, Brewster, Ruleton, Levant and Rexford. 

This includes Interstate 70 in Kansas between mile markers 3 and 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 10204 3957 10194 3957 10073 3913 10072
TIME...MOT...LOC 2325Z 269DEG 36KT 3958 10132 3914 10160 

HAIL...1.00IN
WIND...<50MPH
 
$$

Lundquist
437 
WWUS53 KGLD 022342
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
542 PM MDT Sun May 2 2021

KSC181-193-030030-
/O.CON.KGLD.SV.W.0013.000000T0000Z-210503T0030Z/
Thomas KS-Sherman KS-
542 PM MDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM
MDT/730 PM CDT/ FOR THOMAS AND SHERMAN COUNTIES...

At 541 PM MDT/641 PM CDT/, severe thunderstorms were located along a
line extending from 14 miles north of Levant to 10 miles northwest of
Winona, moving east at 35 mph.

HAZARD...70 mph wind gusts and near zero visibility in blowing dust.

SOURCE...Trained weather spotters east of Goodland.

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

Locations impacted include...
Colby, Goodland, Oakley, Brewster, Ruleton, Levant and Rexford. 

This includes Interstate 70 in Kansas between mile markers 3 and 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 10204 3957 10194 3957 10073 3913 10072
TIME...MOT...LOC 2341Z 268DEG 32KT 3958 10114 3914 10142 

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

Lundquist
746 
WWUS53 KGLD 022351
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
551 PM MDT Sun May 2 2021

KSC181-193-030030-
/O.CON.KGLD.SV.W.0013.000000T0000Z-210503T0030Z/
Thomas KS-Sherman KS-
551 PM MDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM
MDT/730 PM CDT/ FOR THOMAS AND EASTERN SHERMAN COUNTIES...

At 551 PM MDT/651 PM CDT/, severe thunderstorms were located along a
line extending from 13 miles north of Colby to 8 miles northwest of
Winona, moving east at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters at Brewster.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Colby, Oakley, Brewster, Levant, Rexford, Gem and Menlo. 

This includes Interstate 70 in Kansas between mile markers 24 and 74.
 
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 3914 10165 3957 10155 3957 10073 3913 10072
TIME...MOT...LOC 2351Z 270DEG 28KT 3958 10109 3914 10137 

HAIL...1.00IN
WIND...70MPH
 
$$

Lundquist
556 
WWUS53 KGLD 030008
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
608 PM MDT Sun May 2 2021

KSC181-193-030030-
/O.CON.KGLD.SV.W.0013.000000T0000Z-210503T0030Z/
Thomas KS-Sherman KS-
608 PM MDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM
MDT/730 PM CDT/ FOR THOMAS AND EASTERN SHERMAN COUNTIES...

At 607 PM MDT/707 PM CDT/, severe thunderstorms were located along a
line extending from 13 miles north of Colby to 8 miles northwest of
Winona, moving east at 20 mph.

HAZARD...70 mph wind gusts and zero visibility in heavy rainfall.

SOURCE...Emergency management in Colby.

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

Locations impacted include...
Colby, Oakley, Brewster, Levant, Rexford, Gem and Menlo. 

This includes Interstate 70 in Kansas between mile markers 32 and 74.
 
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 3914 10150 3957 10141 3957 10073 3913 10072
TIME...MOT...LOC 0007Z 271DEG 16KT 3958 10109 3914 10137 

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

Lundquist

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 3:39 PM MDTSpecial Weather StatementGLDCheyenne, Sherman21 min
May 2, 4:05 PM MDTSpecial Weather StatementGLDCheyenne25 min
May 2, 4:22 PM MDTSevere Thunderstorm WarningGLDCheyenne53 min
May 2, 4:46 PM MDTSpecial Weather StatementGLDCheyenne, Sherman, Wallace14 min
May 2, 4:53 PM MDTSpecial Weather StatementGLDCheyenne37 min
May 2, 5:03 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins72 min
May 2, 5:34 PM MDTSpecial Weather StatementGLDLogan, Wallace26 min
May 2, 5:44 PM MDTFlash Flood WarningGLDRawlins, Thomas93 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.