Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 104, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 29, 2021, 6:16 PM MDT for Kit Carson County, Colorado. It was in force for 29 min. 4 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
- May 29, 2021, 6:16 PM MDT (00:16 UTC)
- Expired
- May 29, 2021, 6:45 PM MDT
- In force
- 29 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 99 km from the middle of the area, began a volume at 00:15 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 |
|---|---|---|---|
| May 29, 6:22 PM MDT | HAIL 1.75 | Seibert, CO | SHERIFF REPORTED HAIL RANGING FROM QUARTER TO GOLF BALL NEAR SEIBERT. TIME ESTIMATED FROM RADAR. |
| May 29, 6:26 PM MDT | HAIL 1 | Seibert, CO | HAIL RANGING FROM PEA TO QUARTER IN SIZE WITH MOST BEING NEAR NICKLE IN SIZE. |
| May 29, 6:40 PM MDT | HAIL 0.7 | 3 E Vona, CO | PEA TO DIME SIZE HAIL ONGOING REPORTED BY SPOTTER. |
| May 29, 6:45 PM MDT | HAIL 1 | 5 N Vona, CO | REPORT OF VARIETY OF HAIL UP TO QUARTER IN SIZE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.3 hours before the alert went out and 77 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
- 278 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1446 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
636 WUUS53 KGLD 300016 SVRGLD COC063-300045- /O.NEW.KGLD.SV.W.0104.210530T0016Z-210530T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Goodland KS 616 PM MDT Sat May 29 2021 The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Western Kit Carson County in east central Colorado... * Until 645 PM MDT. * At 616 PM MDT, a severe thunderstorm was located 4 miles south of Seibert, moving northeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near... Seibert around 635 PM MDT. Other locations in the path of this severe thunderstorm include Vona. People attending Hi- Plains School should seek safe shelter immediately! This includes Interstate 70 in Colorado between mile markers 397 and 419. 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 3912 10291 3926 10304 3947 10278 3925 10258 TIME...MOT...LOC 0016Z 230DEG 9KT 3924 10290 HAIL...1.00IN WIND...<50MPH $$ JN
2 follow-up statements
846
WWUS53 KGLD 300028
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
628 PM MDT Sat May 29 2021
COC063-300045-
/O.CON.KGLD.SV.W.0104.000000T0000Z-210530T0045Z/
Kit Carson CO-
628 PM MDT Sat May 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR WESTERN KIT CARSON COUNTY...
At 628 PM MDT, a severe thunderstorm was located near Seibert, moving
northeast at 10 mph.
HAZARD...Quarter size hail.
SOURCE...Trained weather spotter reported nickel to quarter sized
hail in Seibert.
IMPACT...Damage to vehicles is expected.
This severe storm will be near...
Seibert around 635 PM MDT.
Other locations in the path of this severe thunderstorm include Vona.
People attending Hi-
Plains School should seek safe shelter immediately!
This includes Interstate 70 in Colorado between mile markers 397 and
419.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3912 10291 3926 10304 3947 10278 3925 10258
TIME...MOT...LOC 0028Z 230DEG 9KT 3926 10287
HAIL...1.00IN
WIND...<50MPH
$$
JN041
WWUS53 KGLD 300036
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
636 PM MDT Sat May 29 2021
COC063-300045-
/O.CON.KGLD.SV.W.0104.000000T0000Z-210530T0045Z/
Kit Carson CO-
636 PM MDT Sat May 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR NORTHWESTERN KIT CARSON COUNTY...
At 636 PM MDT, a severe thunderstorm was located over Seibert, moving
northeast at 10 mph.
HAZARD...Quarter size hail.
SOURCE...Trained weather spotters in Seibert report quarter sized
hail.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Vona.
People attending Hi-
Plains School should seek safe shelter immediately!
This includes Interstate 70 in Colorado between mile markers 405 and
419.
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 3918 10280 3932 10293 3947 10278 3925 10258
TIME...MOT...LOC 0036Z 230DEG 9KT 3927 10285
HAIL...1.00IN
WIND...<50MPH
$$
JNThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 6:42 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 25 min |
| May 29, 6:44 PM MDT | Flash Flood Warning | GLD | Kit Carson | 48 min |
| May 29, 6:51 PM MDT | Special Weather Statement | GLD | Cheyenne | 54 min |
| May 29, 7:09 PM MDT | Special Weather Statement | GLD | Kit Carson | 36 min |
| May 29, 7:34 PM MDT | Areal Flood Warning | GLD | Kit Carson | 63 min |
| May 29, 7:55 PM MDT | Special Weather Statement | GLD | Kit Carson | 65 min |
| May 29, 8:22 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 23 min |
| May 29, 8:51 PM MDT | Special Weather Statement | GLD | Yuma | 54 min |
| May 29, 9:03 PM MDT | Flash Flood Warning | GLD | Yuma | 28 min |
| May 30, 1:17 PM MDT | Special Weather Statement | GLD | Kit Carson | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.