Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 57, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 30, 2021, 4:22 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 23 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 30, 2021, 4:22 PM MDT (22:22 UTC)
- Expired
- May 30, 2021, 4:45 PM MDT
- In force
- 23 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Elbert County, CO, Lincoln County, CO
The radar
The Pueblo radar (KPUX), 44 km from the middle of the area, began a volume at 22:21 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
Denver, CO (KDNR), launched 12:00Z, 10.4 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
- 254 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
489
WUUS55 KBOU 302222
SVRBOU
COC039-073-302245-
/O.NEW.KBOU.SV.W.0057.210530T2222Z-210530T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
422 PM MDT Sun May 30 2021
The National Weather Service in Denver Colorado has issued a
* Severe Thunderstorm Warning for...
Southeastern Elbert County in east central Colorado...
Southwestern Lincoln County in east central Colorado...
* Until 445 PM MDT.
* At 421 PM MDT, severe thunderstorms were located along a line
extending from 3 miles west of Kutch to 9 miles southwest of
Truckton, or along a line extending from 28 miles southwest of
Limon to 29 miles northeast of Pueblo, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Forder, Kutch and Punkin Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3891 10406 3902 10391 3885 10345 3852 10385
3852 10405
TIME...MOT...LOC 2221Z 298DEG 17KT 3890 10393 3862 10429
HAIL...0.75IN
WIND...60MPH
$$
SCHLATTER2 follow-up statements
286
WWUS55 KBOU 302237
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
437 PM MDT Sun May 30 2021
COC039-302247-
/O.CAN.KBOU.SV.W.0057.000000T0000Z-210530T2245Z/
Elbert CO-
437 PM MDT Sun May 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELBERT COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
LAT...LON 3884 10406 3885 10379 3880 10357 3852 10385
3852 10405
TIME...MOT...LOC 2237Z 298DEG 17KT 3888 10388 3860 10424
$$
COC073-302245-
/O.CON.KBOU.SV.W.0057.000000T0000Z-210530T2245Z/
Lincoln CO-
437 PM MDT Sun May 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR SOUTHWESTERN LINCOLN COUNTY...
At 437 PM MDT, severe thunderstorms were located along a line
extending from near Kutch to 9 miles south of Truckton, or along a
line extending from 28 miles south of Limon to 30 miles northeast of
Pueblo, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Forder.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3884 10406 3885 10379 3880 10357 3852 10385
3852 10405
TIME...MOT...LOC 2237Z 298DEG 17KT 3888 10388 3860 10424
HAIL...0.75IN
WIND...60MPH
$$
SCHLATTER977
WWUS55 KBOU 302244
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
444 PM MDT Sun May 30 2021
COC073-302254-
/O.EXP.KBOU.SV.W.0057.000000T0000Z-210530T2245Z/
Lincoln CO-
444 PM MDT Sun May 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LINCOLN COUNTY
WILL EXPIRE AT 445 PM MDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds to 40 mph are still possible with these thunderstorms.
LAT...LON 3884 10406 3885 10379 3880 10357 3852 10385
3852 10405
TIME...MOT...LOC 2244Z 298DEG 17KT 3887 10385 3859 10421
$$
SCHLATTERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 9:10 AM MDT | Areal Flood Advisory | BOU | Larimer | 110 min |
| May 30, 12:53 PM MDT | Special Weather Statement | BOU | Summit | 52 min |
| May 30, 1:03 PM MDT | Special Weather Statement | BOU | Douglas | 27 min |
| May 30, 1:45 PM MDT | Special Weather Statement | BOU | Clear Creek | 30 min |
| May 30, 2:06 PM MDT | Areal Flood Advisory | BOU | Park | 84 min |
| May 30, 2:07 PM MDT | Special Weather Statement | BOU | Elbert | 38 min |
| May 30, 5:10 PM MDT | Special Weather Statement | BOU | Lincoln | 50 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.