Alert archive / Colorado / Tornado Warnings in 2018
Tornado Warning 37, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at Sep 19, 2018, 9:46 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 29 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
- Sep 19, 2018, 9:46 PM MDT (03:46 UTC)
- Expired
- Sep 19, 2018, 10:15 PM MDT
- In force
- 29 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
Counties Cheyenne County, CO, Kit Carson County, CO
The radar
The Goodland radar (KGLD), 119 km from the middle of the area, began a volume at 03:47 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 (KDEN), launched 00:00Z, 3.8 hours before the alert went out and 95 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
- 735 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2055 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
406
WFUS53 KGLD 200346
TORGLD
COC017-063-200415-
/O.NEW.KGLD.TO.W.0037.180920T0346Z-180920T0415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
946 PM MDT WED SEP 19 2018
The National Weather Service in Goodland has issued a
* Tornado Warning for...
Northwestern Cheyenne County in east central Colorado...
Southwestern Kit Carson County in east central Colorado...
* Until 1015 PM MDT.
* At 946 PM MDT, a severe thunderstorm capable of producing a tornado
was located 13 miles northeast of Boyero, or 19 miles south of
Flagler, moving northeast at 10 mph.
HAZARD...Tornado and hail up to two inches in diameter.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic thunderstorm will remain over mainly rural areas of
northwestern Cheyenne and southwestern Kit Carson Counties in east
central Colorado.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3895 10307 3902 10313 3920 10300 3904 10276
TIME...MOT...LOC 0346Z 225DEG 9KT 3901 10305
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
JN2 follow-up statements
398
WWUS53 KGLD 200359
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
959 PM MDT WED SEP 19 2018
COC017-063-200415-
/O.CON.KGLD.TO.W.0037.000000T0000Z-180920T0415Z/
Cheyenne CO-Kit Carson CO-
959 PM MDT WED SEP 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM MDT FOR
NORTHWESTERN CHEYENNE AND SOUTHWESTERN KIT CARSON COUNTIES IN EAST
CENTRAL COLORADO...
At 959 PM MDT, a severe thunderstorm capable of producing a tornado
was located 15 miles northeast of Boyero, or 18 miles south of
Flagler, moving northeast at 10 mph.
HAZARD...Tornado and two inch hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Cheyenne and southwestern Kit Carson Counties in east
central Colorado.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3898 10303 3903 10307 3920 10300 3904 10276
TIME...MOT...LOC 0359Z 225DEG 9KT 3903 10302
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
JN696
WWUS53 KGLD 200409
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
1009 PM MDT WED SEP 19 2018
COC017-063-200419-
/O.EXP.KGLD.TO.W.0037.000000T0000Z-180920T0415Z/
Cheyenne CO-Kit Carson CO-
1009 PM MDT WED SEP 19 2018
...THE TORNADO WARNING FOR NORTHWESTERN CHEYENNE AND SOUTHWESTERN KIT
CARSON COUNTIES IN EAST CENTRAL COLORADO WILL EXPIRE AT 1015 PM
MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
LAT...LON 3898 10303 3903 10307 3920 10300 3904 10276
TIME...MOT...LOC 0409Z 225DEG 9KT 3905 10300
$$
JNThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 9:23 PM MDT | Special Weather Statement | GLD | Kit Carson | 37 min |
| Sep 19, 10:00 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 28 min |
| Sep 19, 10:16 PM MDT | Special Weather Statement | GLD | Kit Carson | 44 min |
| Sep 19, 10:29 PM MDT | Special Weather Statement | GLD | Yuma | 31 min |
Nearby
Tornado Warnings in Colorado, 2018Every tornado warning in 2018Tornadoes in 2018
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.