Alert archive / Colorado / Tornado Warnings in 2023

Tornado Warning 21, NWS Denver/Boulder, CO

May 24, 2023Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 24, 2023, 6:27 PM MDT for Lincoln County, Colorado. It was in force for 33 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 24, 2023, 6:27 PM MDT (00:27 UTC)
Expired: May 24, 2023, 7:00 PM MDT
In force: 33 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 66 km from the middle of the area, began a volume at 00:28 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

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 324 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: 863 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1199 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WFUS55 KBOU 250027
TORBOU
COC073-250100-
/O.NEW.KBOU.TO.W.0021.230525T0027Z-230525T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
627 PM MDT Wed May 24 2023

The National Weather Service in Denver Colorado has issued a

* Tornado Warning for...
  Southeastern Lincoln County in east central Colorado...

* Until 700 PM MDT.
    
* At 627 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles southeast of Karval, or 44 miles south of
  Limon, moving east at 20 mph.

  HAZARD...Tornado and quarter 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 tornadic thunderstorm will remain over mainly rural areas of
  southeastern Lincoln County.

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 3853 10361 3872 10364 3880 10318 3853 10319
TIME...MOT...LOC 0027Z 260DEG 19KT 3867 10338 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

RJK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 3:04 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Denver	41 min
May 25, 3:10 PM MDT	Areal Flood Advisory	BOU	Larimer	3 hr
May 25, 3:30 PM MDT	Special Weather Statement	BOU	Jefferson	45 min
May 25, 3:42 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Denver	48 min
May 25, 4:20 PM MDT	Special Weather Statement	BOU	Denver	40 min
May 25, 5:18 PM MDT	Special Weather Statement	BOU	Denver	42 min
May 25, 5:54 PM MDT	Special Weather Statement	BOU	Lincoln	51 min

Nearby

Tornado Warnings in Colorado, 2023 Every tornado warning in 2023 Tornadoes in 2023

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.