Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 159, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jul 16, 2021, 6:19 PM MDT for Kit Carson County, Colorado. It was in force for 33 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
- Jul 16, 2021, 6:19 PM MDT (00:19 UTC)
- Expired
- Jul 16, 2021, 6:52 PM MDT
- In force
- 33 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 65 km from the middle of the area, began a volume at 00:19 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 |
|---|---|---|---|
| Jul 16, 6:30 PM MDT | TSTM WND GST 53 | 4 E Stratton, CO | |
| Jul 16, 6:40 PM MDT | TSTM WND GST 52 | 5 S Burlington, CO |
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 91 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
- 12 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 3284 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
301
WUUS53 KGLD 170019
SVRGLD
COC063-170115-
/O.NEW.KGLD.SV.W.0159.210717T0019Z-210717T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
619 PM MDT Fri Jul 16 2021
The National Weather Service in Goodland has issued a
* Severe Thunderstorm Warning for...
Eastern Kit Carson County in east central Colorado...
* Until 715 PM MDT.
* At 619 PM MDT, a severe thunderstorm was located 4 miles northwest
of Bethune, or 8 miles northeast of Stratton, moving south at 10
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Bethune.
People attending Kit Carson County Fairgrounds should seek safe
shelter immediately!
This includes the following highways...
Interstate 70 in Colorado between mile markers 421 and 439.
Highway 385 between mile markers 177 and 190.
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 3940 10259 3947 10231 3916 10219 3910 10259
TIME...MOT...LOC 0019Z 347DEG 7KT 3936 10246
HAIL...1.25IN
WIND...60MPH
$$
JN2 follow-up statements
857
WWUS53 KGLD 170034
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
634 PM MDT Fri Jul 16 2021
COC063-170115-
/O.CON.KGLD.SV.W.0159.000000T0000Z-210717T0115Z/
Kit Carson CO-
634 PM MDT Fri Jul 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR SOUTHEASTERN KIT CARSON COUNTY...
At 634 PM MDT, a severe thunderstorm was located near Bethune, or 8
miles east of Stratton, moving south at 10 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Burlington and Bethune.
People attending Kit Carson County Fairgrounds should seek safe
shelter immediately!
This includes the following highways...
Interstate 70 in Colorado between mile markers 422 and 438.
Highway 385 between mile markers 177 and 188.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3934 10257 3939 10230 3916 10219 3910 10259
TIME...MOT...LOC 0034Z 347DEG 7KT 3933 10245
HAIL...1.25IN
WIND...60MPH
$$
JN255
WWUS53 KGLD 170052
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
652 PM MDT Fri Jul 16 2021
COC063-170102-
/O.CAN.KGLD.SV.W.0159.000000T0000Z-210717T0115Z/
Kit Carson CO-
652 PM MDT Fri Jul 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KIT CARSON COUNTY
IS CANCELLED...
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 has been cancelled. However gusty winds and
heavy rain are still possible with this thunderstorm.
LAT...LON 3934 10257 3939 10230 3916 10219 3910 10259
TIME...MOT...LOC 0047Z 347DEG 7KT 3929 10244
$$
JNThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 6:23 PM MDT | Flash Flood Warning | GLD | Kit Carson | 84 min |
| Jul 16, 7:06 PM MDT | Special Weather Statement | GLD | Kit Carson | 54 min |
| Jul 16, 7:42 PM MDT | Special Weather Statement | GLD | Cheyenne | 48 min |
| Jul 16, 8:02 PM MDT | Special Weather Statement | GLD | Kit Carson | 58 min |
| Jul 16, 9:06 PM MDT | Special Weather Statement | GLD | Cheyenne | 24 min |
| Jul 16, 9:32 PM MDT | Special Weather Statement | GLD | Cheyenne | 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.