Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 52, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 29, 2021, 1:55 PM MDT for Elbert County, Colorado. It was in force for 35 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, 1:55 PM MDT (19:55 UTC)
- Expired
- May 29, 2021, 2:30 PM MDT
- In force
- 35 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Elbert County, CO
The radar
The Denver radar (KFTG), 63 km from the middle of the area, began a volume at 19:59 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, 7.9 hours before the alert went out and 133 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.
141
WUUS55 KBOU 291955
SVRBOU
COC039-292030-
/O.NEW.KBOU.SV.W.0052.210529T1955Z-210529T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
155 PM MDT Sat May 29 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
West central Elbert County in east central Colorado...
* Until 230 PM MDT.
* At 155 PM MDT, a severe thunderstorm was located 5 miles southwest
of Elbert, or 23 miles north of Colorado Springs, moving northeast
at 15 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Elbert.
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 3913 10466 3928 10466 3937 10453 3928 10433
3913 10436
TIME...MOT...LOC 1955Z 221DEG 12KT 3918 10462
HAIL...1.00IN
WIND...<50MPH
$$
SCHLATTER2 follow-up statements
441 WWUS55 KBOU 292015 SVSBOU Severe Weather Statement National Weather Service Denver CO 215 PM MDT Sat May 29 2021 COC039-292030- /O.CON.KBOU.SV.W.0052.000000T0000Z-210529T2030Z/ Elbert CO- 215 PM MDT Sat May 29 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT FOR WEST CENTRAL ELBERT COUNTY... At 214 PM MDT, a severe thunderstorm was located 7 miles west of Elbert, or 26 miles north of Colorado Springs, moving north- northwest at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Elbert. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 900 PM MDT for east central Colorado. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3928 10466 3928 10454 3916 10453 3914 10466 TIME...MOT...LOC 2014Z 185DEG 11KT 3924 10467 HAIL...1.00IN WIND...<50MPH $$ SCHLATTER
261
WWUS55 KBOU 292024
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
224 PM MDT Sat May 29 2021
COC039-292034-
/O.EXP.KBOU.SV.W.0052.000000T0000Z-210529T2030Z/
Elbert CO-
224 PM MDT Sat May 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL ELBERT COUNTY
WILL EXPIRE AT 230 PM MDT...
The storm which prompted the warning has moved into southeast
Douglas County. Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 PM MDT for east central
Colorado.
LAT...LON 3928 10466 3928 10454 3916 10453 3914 10466
TIME...MOT...LOC 2024Z 221DEG 12KT 3926 10464
$$
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, 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, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 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.