Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 59, NWS Goodland, KS

May 23, 2021Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 23, 2021, 5:26 PM MDT for Yuma County, Colorado. It was in force for 34 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 23, 2021, 5:26 PM MDT (23:26 UTC)
Expired: May 23, 2021, 6:00 PM MDT
In force: 34 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Yuma County, CO

The radar

The Goodland radar (KGLD), 123 km from the middle of the area, began a volume at 23:26 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 23, 5:47 PM MDT	TSTM WND GST 61	1 Sse Yuma, CO

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 23, 12:06 PM MDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.4 hours before the alert went out and 61 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: 1106 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

359 
WUUS53 KGLD 232326
SVRGLD
COC125-240000-
/O.NEW.KGLD.SV.W.0059.210523T2326Z-210524T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
526 PM MDT Sun May 23 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Yuma County in northeastern Colorado...

* Until 600 PM MDT.

* At 526 PM MDT, severe thunderstorms were located along a line
  extending from 5 miles south of St Petersburg to 13 miles south of
  Otis, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Yuma and Eckley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM MDT for northeastern
Colorado.

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

&&

A Tornado Watch remains in effect until 800 PM MDT for northeastern
Colorado.

LAT...LON 4044 10236 3987 10246 3987 10280 4000 10280
      4000 10279 4035 10279 4035 10278 4044 10278
TIME...MOT...LOC 2326Z 241DEG 33KT 4048 10282 3996 10291 

HAIL...1.25IN
WIND...60MPH
 
$$

024

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 7:46 PM MDT	Special Weather Statement	GLD	Yuma	14 min
May 22, 10:36 PM MDT	Special Weather Statement	GLD	Cheyenne	24 min
May 22, 10:43 PM MDT	Special Weather Statement	GLD	Cheyenne, Kit Carson	32 min
May 23, 4:47 PM MDT	Special Weather Statement	GLD	Cheyenne	13 min
May 23, 5:01 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	29 min
May 23, 5:05 PM MDT	Special Weather Statement	GLD	Cheyenne	25 min
May 23, 5:21 PM MDT	Tornado Warning	GLD	Cheyenne, Kit Carson	24 min
May 23, 5:40 PM MDT	Special Weather Statement	GLD	Cheyenne	20 min
May 23, 5:49 PM MDT	Special Weather Statement	GLD	Kit Carson	26 min
May 23, 5:52 PM MDT	Special Weather Statement	GLD	Cheyenne	23 min
May 23, 5:57 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	33 min
May 23, 5:59 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	61 min

Nearby

Severe Thunderstorm Warnings in Colorado, 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.