Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 29, 2021, 4:58 PM MDT for Lincoln County, Colorado. It was in force for 32 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 29, 2021, 4:58 PM MDT (22:58 UTC)
- Expired
- May 29, 2021, 5:30 PM MDT
- In force
- 32 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Lincoln County, CO
The radar
The Pueblo radar (KPUX), 47 km from the middle of the area, began a volume at 22:58 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 |
|---|---|---|---|
| May 29, 1:48 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.0 hours before the alert went out and 142 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
- 2325 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
843 WUUS55 KBOU 292258 SVRBOU COC073-292330- /O.NEW.KBOU.SV.W.0055.210529T2258Z-210529T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 458 PM MDT Sat May 29 2021 The National Weather Service in Denver Colorado has issued a * Severe Thunderstorm Warning for... South central Lincoln County in east central Colorado... * Until 530 PM MDT. * At 457 PM MDT, a severe thunderstorm was located 5 miles southwest of Forder, or 43 miles north of North La Junta, moving northeast at 5 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Forder, Karval and Wild Horse Point. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 900 PM MDT for east central Colorado. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3852 10394 3882 10374 3886 10339 3852 10348 TIME...MOT...LOC 2257Z 220DEG 6KT 3861 10375 HAIL...1.00IN WIND...<50MPH $$ SCHLATTER
1 follow-up statement
283
WWUS55 KBOU 292326
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
526 PM MDT Sat May 29 2021
COC073-292330-
/O.EXP.KBOU.SV.W.0055.000000T0000Z-210529T2330Z/
Lincoln CO-
526 PM MDT Sat May 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LINCOLN COUNTY
WILL EXPIRE AT 530 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. There is a severe
thunderstorm warning still in effect until 545 PM for a storm just
northwest of Boyero.
A Tornado Watch remains in effect until 900 PM MDT for east central
Colorado.
LAT...LON 3852 10394 3882 10374 3886 10339 3852 10348
TIME...MOT...LOC 2320Z 220DEG 6KT 3864 10372
$$
SCHLATTERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 6:20 AM MDT | Dense Fog Advisory | BOU | Elbert, Lincoln, Washington, Weld | 100 min |
| May 29, 1:34 PM MDT | Special Weather Statement | BOU | Boulder | 26 min |
| May 29, 1:55 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 35 min |
| May 29, 2:07 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 23 min |
| May 29, 2:29 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 31 min |
| May 29, 2:59 PM MDT | Special Weather Statement | BOU | Weld | 31 min |
| May 29, 3:39 PM MDT | Areal Flood Advisory | BOU | Larimer | 83 min |
| May 29, 5:16 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 29 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.