Alert archive / Colorado / Tornado Warnings in 2021
Tornado Warning 1, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Apr 27, 2021, 3:41 PM MDT for Lincoln 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
- Apr 27, 2021, 3:41 PM MDT (21:41 UTC)
- Expired
- Apr 27, 2021, 4:15 PM MDT
- In force
- 34 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), 74 km from the middle of the area, began a volume at 21:42 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 |
|---|---|---|---|
| Apr 27, 3:58 PM MDT | TORNADO | 15 Ene Wild Horse Point, CO | SEVERAL TRAINED SPOTTERS REPORTED A TORNADO. LOCATION ESTIMATED BY RADAR. |
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 |
|---|---|---|---|
| Apr 27, 11:45 AM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.7 hours before the alert went out and 140 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3214 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
767
WFUS55 KBOU 272141
TORBOU
COC073-272215-
/O.NEW.KBOU.TO.W.0001.210427T2141Z-210427T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
341 PM MDT Tue Apr 27 2021
The National Weather Service in Denver Colorado has issued a
* Tornado Warning for...
Southeastern Lincoln County in east central Colorado...
* Until 415 PM MDT.
* At 341 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Wild Horse Point, or 41 miles north of
North La Junta, moving northeast at 25 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 3860 10350 3881 10317 3853 10317 3853 10345
TIME...MOT...LOC 2141Z 238DEG 22KT 3858 10335
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
DANIELSON1 follow-up statement
310
WWUS55 KBOU 272201
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
401 PM MDT Tue Apr 27 2021
COC073-272215-
/O.CON.KBOU.TO.W.0001.000000T0000Z-210427T2215Z/
Lincoln CO-
401 PM MDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR
SOUTHEASTERN LINCOLN COUNTY...
At 400 PM MDT, a confirmed tornado was located 13 miles north of
Haswell, or 45 miles south of Flagler, moving northeast at 25 mph.
HAZARD...Damaging tornado.
SOURCE...Multiple weather spotters have reported a tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Lincoln County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3867 10339 3881 10317 3853 10317 3853 10336
TIME...MOT...LOC 2200Z 238DEG 22KT 3864 10322
TORNADO...OBSERVED
HAIL...<.75IN
$$
DANIELSONThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 1:52 AM MDT | Severe Thunderstorm Warning | BOU | Washington | 23 min |
| Apr 27, 3:16 AM MDT | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 30 hr |
| Apr 27, 11:35 AM MDT | Special Weather Statement | BOU | Douglas | 25 min |
| Apr 27, 11:55 AM MDT | Special Weather Statement | BOU | Elbert | 50 min |
| Apr 27, 11:59 AM MDT | Special Weather Statement | BOU | Denver | 31 min |
| Apr 27, 12:49 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 26 min |
| Apr 27, 1:15 PM MDT | Special Weather Statement | BOU | Adams | 45 min |
| Apr 27, 1:51 PM MDT | Special Weather Statement | BOU | Lincoln | 39 min |
| Apr 27, 1:53 PM MDT | Special Weather Statement | BOU | Weld | 37 min |
| Apr 27, 1:59 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 31 min |
| Apr 27, 2:02 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 28 min |
| Apr 27, 2:08 PM MDT | Winter Weather Advisory | BOU | Clear Creek, Douglas, Gilpin, Jefferson, Park | 20 hr |
| Apr 27, 2:23 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 52 min |
| Apr 27, 2:43 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 32 min |
| Apr 27, 2:49 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 41 min |
| Apr 27, 3:00 PM MDT | Special Weather Statement | BOU | Lincoln | 45 min |
| Apr 27, 3:10 PM MDT | Special Weather Statement | BOU | Morgan | 20 min |
| Apr 27, 3:13 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Washington | 32 min |
| Apr 27, 3:28 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 47 min |
| Apr 27, 3:32 PM MDT | Special Weather Statement | BOU | Morgan | 28 min |
| Apr 27, 4:12 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 33 min |
| Apr 27, 4:16 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 17 min |
| Apr 27, 4:36 PM MDT | Tornado Warning | BOU | Lincoln | 24 min |
| Apr 27, 5:19 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 26 min |
| Apr 27, 5:51 PM MDT | Special Weather Statement | BOU | Phillips | 24 min |
Nearby
Tornado Warnings in Colorado, 2021Every tornado warning in 2021Tornadoes 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.