Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Apr 27, 2021, 2:06 AM MDT for Yuma County, Colorado. It was in force for 39 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
- Apr 27, 2021, 2:06 AM MDT (08:06 UTC)
- Expired
- Apr 27, 2021, 2:45 AM MDT
- In force
- 39 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Yuma County, CO
The radar
The Goodland radar (KGLD), 101 km from the middle of the area, began a volume at 08:08 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 00:00Z, 8.1 hours before the alert went out and 51 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
- 4461 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
461
WUUS53 KGLD 270806
SVRGLD
COC125-270845-
/O.NEW.KGLD.SV.W.0002.210427T0806Z-210427T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
206 AM MDT Tue Apr 27 2021
The National Weather Service in Goodland has issued a
* Severe Thunderstorm Warning for...
Southwestern Yuma County in northeastern Colorado...
* Until 245 AM MDT.
* At 206 AM MDT, a severe thunderstorm was located 8 miles northeast
of Arickaree School, or 22 miles southwest of Yuma, moving east at
40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
southwestern Yuma County, including the following locations...
Abarr and Heartstrong.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4000 10280 4000 10279 4003 10279 4007 10242
3988 10231 3969 10238 3974 10280
TIME...MOT...LOC 0806Z 268DEG 36KT 3985 10295
HAIL...1.00IN
WIND...60MPH
$$
JN1 follow-up statement
136
WWUS53 KGLD 270820
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
220 AM MDT Tue Apr 27 2021
COC125-270845-
/O.CON.KGLD.SV.W.0002.000000T0000Z-210427T0845Z/
Yuma CO-
220 AM MDT Tue Apr 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM MDT
FOR SOUTHWESTERN YUMA COUNTY...
At 220 AM MDT, a severe thunderstorm was located 13 miles north of
Cope, or 18 miles south of Yuma, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Abarr and Heartstrong.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3998 10279 4000 10279 4000 10277 4003 10241
3988 10231 3969 10238 3974 10280
TIME...MOT...LOC 0820Z 268DEG 36KT 3985 10277
HAIL...1.00IN
WIND...60MPH
$$
JNThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:42 AM MDT | Severe Thunderstorm Warning | GLD | Yuma | 33 min |
| Apr 27, 3:58 PM MDT | Special Weather Statement | GLD | Cheyenne | 62 min |
| Apr 27, 4:03 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 57 min |
| Apr 27, 4:06 PM MDT | Tornado Warning | GLD | Cheyenne | 24 min |
| Apr 27, 4:22 PM MDT | Special Weather Statement | GLD | Kit Carson | 38 min |
| Apr 27, 4:31 PM MDT | Tornado Warning | GLD | Cheyenne | 29 min |
| Apr 27, 4:40 PM MDT | Tornado Warning | GLD | Kit Carson | 35 min |
| Apr 27, 4:47 PM MDT | Tornado Warning | GLD | Kit Carson, Yuma | 43 min |
| Apr 27, 4:57 PM MDT | Special Weather Statement | GLD | Kit Carson | 48 min |
| Apr 27, 5:02 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 32 min |
| Apr 27, 5:16 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 29 min |
| Apr 27, 5:28 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 26 min |
| Apr 27, 5:33 PM MDT | Special Weather Statement | GLD | Cheyenne | 42 min |
| Apr 27, 5:40 PM MDT | Special Weather Statement | GLD | Phillips | 35 min |
| Apr 27, 5:53 PM MDT | Special Weather Statement | GLD | Kit Carson, Yuma | 67 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.