Alert archive / Colorado / Tornado Warnings in 2022

Tornado Warning 7, NWS Denver/Boulder, CO

July 6, 2022Elbert County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jul 6, 2022, 4:10 PM MDT for Elbert County, Colorado. It was in force for 20 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: Jul 6, 2022, 4:10 PM MDT (22:10 UTC)
Expired: Jul 6, 2022, 4:30 PM MDT
In force: 20 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

County Elbert County, CO

The radar

The Denver radar (KFTG), 66 km from the middle of the area, began a volume at 22:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 6, 2:09 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.2 hours before the alert went out and 93 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: 151 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

903 
WFUS55 KBOU 062210
TORBOU
COC039-062230-
/O.NEW.KBOU.TO.W.0007.220706T2210Z-220706T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
410 PM MDT Wed Jul 6 2022

The National Weather Service in Denver Colorado has issued a

* Tornado Warning for...
  North central Elbert County in east central Colorado...

* Until 430 PM MDT.
    
* At 410 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles southwest of Agate, or 21 miles west of Limon,
  moving southeast at 15 mph.

  HAZARD...Tornado and ping pong 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 tornadic thunderstorm will remain over mainly rural areas of
  north central Elbert 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 3925 10402 3932 10420 3945 10410 3937 10393
TIME...MOT...LOC 2210Z 300DEG 14KT 3934 10408 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN

$$

RPK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 12:40 PM MDT	Areal Flood Advisory	BOU	Larimer	95 min
Jul 6, 1:34 PM MDT	Special Weather Statement	BOU	Boulder	26 min
Jul 6, 1:55 PM MDT	Areal Flood Advisory	BOU	Larimer	95 min
Jul 6, 1:59 PM MDT	Special Weather Statement	BOU	Elbert	31 min
Jul 6, 2:02 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	43 min
Jul 6, 2:09 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	51 min
Jul 6, 2:43 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Elbert, Lincoln	47 min
Jul 6, 2:46 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Arapahoe, Elbert	44 min
Jul 6, 2:54 PM MDT	Tornado Warning	BOU	Arapahoe, Elbert	36 min
Jul 6, 2:57 PM MDT	Flash Flood Warning	BOU	Larimer	3 hr
Jul 6, 3:01 PM MDT	Severe Thunderstorm Warning	BOU	Douglas, Jefferson	29 min
Jul 6, 3:19 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe	41 min
Jul 6, 3:24 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	36 min
Jul 6, 3:26 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	49 min
Jul 6, 3:28 PM MDT	Severe Thunderstorm Warning	BOU	Douglas	47 min
Jul 6, 3:42 PM MDT	Tornado Warning	BOU	Lincoln	33 min
Jul 6, 3:44 PM MDT	Severe Thunderstorm Warning	BOU	Weld	46 min
Jul 6, 3:56 PM MDT	Tornado Warning	BOU	Morgan	34 min
Jul 6, 3:59 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	31 min
Jul 6, 4:15 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	30 min
Jul 6, 4:29 PM MDT	Tornado Warning	BOU	Morgan	16 min
Jul 6, 4:44 PM MDT	Tornado Warning	BOU	Morgan	31 min
Jul 6, 4:57 PM MDT	Flash Flood Warning	BOU	Boulder	3 hr
Jul 6, 4:57 PM MDT	Tornado Warning	BOU	Morgan	18 min
Jul 6, 5:43 PM MDT	Special Weather Statement	BOU	Lincoln, Washington	32 min

Nearby

Tornado Warnings in Colorado, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.