Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 8, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Apr 27, 2021, 7:23 PM CDT for Cheyenne County, Sherman County, Kansas; Kit Carson County, Yuma County, Colorado. It was in force for 67 min. 5 reports 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, 7:23 PM CDT (00:23 UTC)
- Expired
- Apr 27, 2021, 8:30 PM CDT
- In force
- 67 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Sherman County, KS
The radar
The Goodland radar (KGLD), 41 km from the middle of the area, began a volume at 00:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 7:28 PM CDT | HAIL 0.88 | 6 S Idalia, CO | TRAINED SPOTTER REPORTED ONGOING NICKEL SIZED HAIL THAT IS BEGINNING TO COVER THE GROUND. THE WINDS WERE ALSO STRONG ENOUGH TO CAUSE BLOWING DUST. |
| Apr 27, 7:30 PM CDT | HAIL 1 | 7 S Idalia, CO | REPORTED VIA SOCIAL MEDIA WITH PICTURE. |
| Apr 27, 7:45 PM CDT | HAIL 1 | 3 Nne Hale, CO | SPOTTER REPORTED QUARTER SIZED HAIL WITH WINDS 30-35 MPH AND GUSTS UP TO 45 MPH. |
| Apr 27, 7:48 PM CDT | HAIL 1.5 | 3 Nne Hale, CO | DELAYED REPORT. RELAYED VIA SOCIAL MEDIA. |
| Apr 27, 8:18 PM CDT | HAIL 1 | 8 N Ruleton, KS | QUARTER INCH HAIL THAT FELL FOR 5 MINS. GROUND IS COVERED WHITE. |
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, 6:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 27, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.4 hours before the alert went out and 103 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
- 26 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
441 WUUS53 KGLD 280023 SVRGLD COC063-125-KSC023-181-280130- /O.NEW.KGLD.SV.W.0008.210428T0023Z-210428T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Goodland KS 623 PM MDT Tue Apr 27 2021 The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Southeastern Yuma County in northeastern Colorado... Northeastern Kit Carson County in east central Colorado... Southwestern Cheyenne County in northwestern Kansas... Western Sherman County in northwestern Kansas... * Until 730 PM MDT/830 PM CDT/. * At 623 PM MDT/723 PM CDT/, a severe thunderstorm was located 6 miles southwest of Bonny Reservoir, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Goodland. This includes the following highways... Interstate 70 in Kansas between mile markers 0 and 20. Interstate 70 in Colorado between mile markers 441 and 450. Highway 385 between mile markers 189 and 216. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This thunderstorm will produce damaging winds resulting in areas of near zero visibility in blowing dirt. Use extreme caution if you must travel and be alert for rapidly changing visibility. && LAT...LON 3935 10252 3973 10245 3962 10161 3923 10169 TIME...MOT...LOC 0023Z 279DEG 28KT 3954 10223 HAIL...0.75IN WIND...60MPH $$ Lockhart
3 follow-up statements
114
WWUS53 KGLD 280052
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
652 PM MDT Tue Apr 27 2021
COC063-125-KSC023-181-280130-
/O.CON.KGLD.SV.W.0008.000000T0000Z-210428T0130Z/
Yuma CO-Kit Carson CO-Cheyenne KS-Sherman KS-
652 PM MDT Tue Apr 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM
MDT/830 PM CDT/ FOR SOUTHEASTERN YUMA COUNTY IN NORTHEASTERN
COLORADO...NORTHEASTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO...
SOUTHWESTERN CHEYENNE AND WESTERN SHERMAN COUNTIES IN NORTHWESTERN
KANSAS...
At 651 PM MDT/751 PM CDT/, a severe thunderstorm was located 12 miles
north of Ruleton, moving east at 30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...The public reported quarter size hail 7 miles south of
Idalia, Colorado.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Goodland, Kanorado, Ruleton, Bonny Reservoir, Hale and Idalia.
This includes the following highways...
Interstate 70 in Kansas between mile markers 0 and 20.
Interstate 70 in Colorado between mile markers 443 and 450.
Highway 385 between mile markers 204 and 216.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
This thunderstorm will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.
&&
LAT...LON 3930 10218 3971 10232 3962 10161 3923 10169
TIME...MOT...LOC 0051Z 279DEG 28KT 3951 10195
HAIL...1.50IN
WIND...60MPH
$$
Lockhart557
WWUS53 KGLD 280114
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
714 PM MDT Tue Apr 27 2021
COC063-125-280124-
/O.CAN.KGLD.SV.W.0008.000000T0000Z-210428T0130Z/
Yuma CO-Kit Carson CO-
714 PM MDT Tue Apr 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YUMA AND
NORTHEASTERN KIT CARSON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM
MDT/midnight CDT/ for northwestern Kansas.
LAT...LON 3928 10204 3961 10204 3962 10161 3923 10169
TIME...MOT...LOC 0114Z 279DEG 28KT 3948 10172
$$
KSC023-181-280130-
/O.CON.KGLD.SV.W.0008.000000T0000Z-210428T0130Z/
Cheyenne KS-Sherman KS-
714 PM MDT Tue Apr 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM
MDT/830 PM CDT/ FOR SOUTHWESTERN CHEYENNE AND WESTERN SHERMAN
COUNTIES IN NORTHWESTERN KANSAS...
At 714 PM MDT/814 PM CDT/, a severe thunderstorm was located 9 miles
north of Goodland, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Goodland, Kanorado and Ruleton.
This includes Interstate 70 in Kansas between mile markers 1 and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.
&&
LAT...LON 3928 10204 3961 10204 3962 10161 3923 10169
TIME...MOT...LOC 0114Z 279DEG 28KT 3948 10172
HAIL...0.75IN
WIND...60MPH
$$
Lockhart571
WWUS53 KGLD 280129
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
729 PM MDT Tue Apr 27 2021
KSC023-181-280139-
/O.EXP.KGLD.SV.W.0008.000000T0000Z-210428T0130Z/
Cheyenne KS-Sherman KS-
729 PM MDT Tue Apr 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CHEYENNE AND
WESTERN SHERMAN COUNTIES IN NORTHWESTERN KANSAS WILL EXPIRE AT 730 PM
MDT/830 PM CDT/...
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.
A Severe Thunderstorm Watch remains in effect until 1100 PM
MDT/midnight CDT/ for northwestern Kansas.
LAT...LON 3928 10204 3961 10204 3962 10161 3923 10169
TIME...MOT...LOC 0129Z 228DEG 41KT 3949 10184
$$
LockhartThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 7:40 PM CDT | Special Weather Statement | GLD | Cheyenne, Sherman | 65 min |
| Apr 27, 7:55 PM CDT | Severe Thunderstorm Warning | GLD | Cheyenne | 50 min |
| Apr 27, 8:21 PM CDT | Severe Thunderstorm Warning | GLD | Cheyenne, Rawlins, Sherman | 39 min |
| Apr 27, 8:59 PM CDT | Special Weather Statement | GLD | Rawlins | 16 min |
| Apr 27, 9:26 PM CDT | Special Weather Statement | GLD | Decatur, Rawlins | 49 min |
| Apr 27, 10:33 PM CDT | Special Weather Statement | GLD | Decatur | 42 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2021Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.