Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 16, 2021, 6:40 PM MDT for Kit Carson County, Colorado. It was in force for 35 min. 2 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 16, 2021, 6:40 PM MDT (00:40 UTC)
- Expired
- May 16, 2021, 7:15 PM MDT
- In force
- 35 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 46 km from the middle of the area, began a volume at 00:43 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 16, 6:40 PM MDT | HAIL 0.5 | Burlington, CO | CALLER REPORTED ONGOING HALF INCH HAIL. |
| May 16, 6:45 PM MDT | HAIL 0.88 | Burlington, CO | TRAINED SPOTTER REPORTED PEA TO NICKEL SIZED HAIL THAT FELL FOR A DURATION OF 10 MINUTES. |
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, 0.7 hours before the alert went out and 102 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
- 143 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979 WUUS53 KGLD 170040 SVRGLD COC063-170115- /O.NEW.KGLD.SV.W.0053.210517T0040Z-210517T0115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Goodland KS 640 PM MDT Sun May 16 2021 The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... East central Kit Carson County in east central Colorado... * Until 715 PM MDT. * At 639 PM MDT, a severe thunderstorm was located 4 miles northeast of Burlington, moving southwest at 5 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Burlington. This includes the following highways... Interstate 70 in Colorado between mile markers 435 and 447. Highway 385 between mile markers 179 and 198. 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 3947 10220 3931 10208 3918 10228 3941 10240 TIME...MOT...LOC 0039Z 061DEG 6KT 3936 10223 HAIL...1.25IN WIND...<50MPH $$ JN
1 follow-up statement
946 WWUS53 KGLD 170054 SVSGLD Severe Weather Statement National Weather Service Goodland KS 654 PM MDT Sun May 16 2021 COC063-170115- /O.CON.KGLD.SV.W.0053.000000T0000Z-210517T0115Z/ Kit Carson CO- 654 PM MDT Sun May 16 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR EAST CENTRAL KIT CARSON COUNTY... At 654 PM MDT, a severe thunderstorm was located near Burlington, moving southwest at 5 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Burlington. This includes the following highways... Interstate 70 in Colorado between mile markers 435 and 447. Highway 385 between mile markers 179 and 198. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3947 10220 3931 10208 3918 10228 3941 10240 TIME...MOT...LOC 0054Z 061DEG 6KT 3935 10226 HAIL...1.25IN WIND...<50MPH $$ JN
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 6:04 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| May 16, 6:14 PM MDT | Special Weather Statement | GLD | Cheyenne | 61 min |
| May 16, 6:56 PM MDT | Tornado Warning | GLD | Kit Carson | 18 min |
| May 16, 7:07 PM MDT | Special Weather Statement | GLD | Kit Carson | 23 min |
| May 16, 7:10 PM MDT | Special Weather Statement | GLD | Kit Carson | 35 min |
| May 16, 7:10 PM MDT | Tornado Warning | GLD | Cheyenne, Kit Carson | 35 min |
| May 16, 7:16 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 29 min |
| May 16, 7:22 PM MDT | Flash Flood Warning | GLD | Kit Carson | 5 hr |
| May 16, 7:42 PM MDT | Special Weather Statement | GLD | Kit Carson | 63 min |
| May 16, 7:58 PM MDT | Special Weather Statement | GLD | Kit Carson | 47 min |
| May 16, 8:24 PM MDT | Flash Flood Warning | GLD | Kit Carson | 4 hr |
| May 16, 8:39 PM MDT | Special Weather Statement | GLD | Yuma | 66 min |
| May 16, 8:42 PM MDT | Special Weather Statement | GLD | Kit Carson | 78 min |
| May 16, 8:49 PM MDT | Special Weather Statement | GLD | Cheyenne | 71 min |
| May 16, 9:09 PM MDT | Areal Flood Warning | GLD | Cheyenne | 3 hr |
| May 16, 9:52 PM MDT | Special Weather Statement | GLD | Yuma | 53 min |
| May 16, 10:57 PM MDT | Special Weather Statement | GLD | Yuma | 63 min |
| May 17, 12:12 AM MDT | Areal Flood Warning | GLD | Kit Carson | 6 hr |
| May 17, 2:27 PM MDT | Flash Flood Warning | GLD | Yuma | 3 hr |
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.