Alert archive / Colorado / Tornado Warnings in 2024

Tornado Warning 13, NWS Goodland, KS

May 20, 2024Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at May 20, 2024, 8:27 PM MDT for Yuma County, Colorado. It was in force for 33 min. 7 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 20, 2024, 8:27 PM MDT (02:27 UTC)
Expired
May 20, 2024, 9:00 PM MDT
In force
33 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.5 in

County Yuma County, CO

The radar

The Goodland radar (KGLD), 118 km from the middle of the area, began a volume at 02:31 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 20, 9:00 PM MDTHAIL 2Yuma, COTrained spotter reported that hen egg (2 inch diameter) wind driven hail broke windows on homes and vehicles and damaged roofs in the city of Yuma. Hail accumulated to a depth of several inches with larger drifts. Plows were required to clear roads.
May 20, 9:00 PM MDTHAIL 2.75Yuma, COReport and photos via social media (X) of accumulating hail and hail drifts in Yuma. Biggest stones baseball size or larger with most stones 1 to 2.25 inch.
May 20, 9:00 PM MDTHAIL 41 S Yuma, COEmergency manager reports fire department had tennis to softball size hail about 1 mile south of Yuma.
May 20, 9:02 PM MDTTSTM WND GST 524 E Yuma, COWeatherLink site Yuma Dairy.
May 20, 9:05 PM MDTTSTM WND GST 512 N Yuma, COMesonet station YUM02 2 N Yuma 2.
May 20, 9:10 PM MDTHAIL 1.751 Nne Yuma, COReport and photos via social media of hail up to golf ball size but mostly smaller stones with drifts estimated from photos to be up to around 1 foot tall. Wind driven hail broke windows and damaged siding. Time estimated from radar.
May 20, 9:10 PM MDTHAIL 21 Wsw Yuma, CO2 inch hail reported on the southwest side of Yuma, started around 9:10 PM MDT and lasted approx. 15 minutes. Location estimated.

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 20, 4:07 PM MDTTornado WatchSPC7 hr
May 20, 8:01 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 209 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, N. Platte/Lee Bi, NE at 00:00Z on 2024-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 248 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, N. Platte/Lee Bi, NE at 00:00Z on 2024-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897117Sfc1 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
248 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
1142 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
296 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

As transmitted.

744 
WFUS53 KGLD 210227
TORGLD
COC125-210300-
/O.NEW.KGLD.TO.W.0013.240521T0227Z-240521T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
827 PM MDT Mon May 20 2024

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  West central Yuma County in northeastern Colorado...

* Until 900 PM MDT.

* At 826 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles west of Yuma, moving east at 25 mph.

  HAZARD...Tornado and tennis ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Yuma around 830 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4018 10258 3999 10258 4000 10279 4017 10280
      4017 10279
TIME...MOT...LOC 0226Z 274DEG 22KT 4011 10282 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN

$$

JRM
2 follow-up statements
658 
WWUS53 KGLD 210237
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
837 PM MDT Mon May 20 2024

COC125-210300-
/O.CON.KGLD.TO.W.0013.000000T0000Z-240521T0300Z/
Yuma CO-
837 PM MDT Mon May 20 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM MDT FOR WEST
CENTRAL YUMA COUNTY...

At 836 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Yuma, moving east at 20 mph.

HAZARD...Tornado and baseball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Yuma around 840 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

This is a dangerous storm, capable of producing large hail driven by
severe winds! SEEK SHELTER NOW inside a sturdy structure and stay
away from windows! If you are caught outdoors, cover your head and
neck.

&&

LAT...LON 4018 10258 3999 10258 4000 10279 4017 10280
      4017 10279
TIME...MOT...LOC 0236Z 267DEG 17KT 4014 10278 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.75 IN

$$

JRM
260 
WWUS53 KGLD 210255
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
855 PM MDT Mon May 20 2024

COC125-210304-
/O.EXP.KGLD.TO.W.0013.000000T0000Z-240521T0300Z/
Yuma CO-
855 PM MDT Mon May 20 2024

...THE TORNADO WARNING FOR WEST CENTRAL YUMA COUNTY WILL EXPIRE AT
900 PM MDT...

The tornado threat has diminished and the Tornado Warning will be 
allowed to expire. However, large hail and damaging winds remain 
likely and a Severe Thunderstorm Warning remains in effect for the 
area. However, small hail and heavy rain are still possible with 
this thunderstorm.

A Tornado Watch remains in effect until 200 AM MDT for northeastern
Colorado.


&&

LAT...LON 4018 10258 3999 10258 4000 10279 4017 10280
      4017 10279
TIME...MOT...LOC 0254Z 274DEG 22KT 4013 10264 

$$

JRM

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 7:57 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDYuma63 min
May 20, 8:59 PM MDTSevere Thunderstorm Warning Destructive damage threatGLDYuma61 min
May 20, 9:20 PM MDTFlash Flood WarningGLDYuma4 hr
May 20, 9:41 PM MDTSevere Thunderstorm Warning Destructive damage threatGLDYuma64 min
May 20, 10:00 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDYuma60 min
May 20, 10:11 PM MDTTornado WarningGLDYuma18 min
May 20, 10:27 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDKit Carson, Yuma33 min
May 20, 10:43 PM MDTSevere Thunderstorm Warning Destructive damage threatGLDYuma62 min
May 20, 10:59 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDKit Carson, Yuma46 min
May 21, 12:52 AM MDTAreal Flood WarningGLDYuma6 hr

Nearby

Tornado Warnings in Colorado, 2024Every tornado warning in 2024Tornadoes in 2024

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.