Alert archive / Kansas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Goodland, KS

May 15, 2020Sherman County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 15, 2020, 9:47 PM MDT for Sherman County, Kansas. It was in force for 58 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 15, 2020, 9:47 PM MDT (03:47 UTC)
Expired
May 15, 2020, 10:45 PM MDT
In force
58 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Sherman County, KS

The radar

The Goodland radar (KGLD), 7 km from the middle of the area, began a volume at 03:47 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 nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 3.8 hours before the alert went out and 144 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 00:00Z on 2020-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2020-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
3 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
2005 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

130 
WUUS53 KGLD 160347
SVRGLD
KSC181-160445-
/O.NEW.KGLD.SV.W.0021.200516T0347Z-200516T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
947 PM MDT Fri May 15 2020

The National Weather Service in Goodland has issued a

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

* Until 1045 PM MDT.

* At 946 PM MDT, a severe thunderstorm was located 9 miles northeast
  of Kanorado, moving east at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Goodland and Edson. 

This includes Interstate 70 in Kansas between mile markers 17 and 35.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3928 10139 3937 10205 3957 10205 3957 10139
TIME...MOT...LOC 0346Z 277DEG 20KT 3947 10197 

HAIL...0.75IN
WIND...60MPH
 
$$

PATTON

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:57 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman48 min
May 15, 10:50 PM MDTSpecial Weather StatementGLDCheyenne, Sherman40 min
May 15, 11:27 PM MDTSpecial Weather StatementGLDSherman, Wallace33 min
May 16, 12:03 AM MDTSpecial Weather StatementGLDGreeley, Logan, Thomas, Wallace, Wichita72 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2020Every severe thunderstorm warning in 2020

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.