Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 199, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 15, 2021, 1:40 AM CDT for Cheyenne County, Kansas. It was in force for 40 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
- Aug 15, 2021, 1:40 AM CDT (06:40 UTC)
- Expired
- Aug 15, 2021, 2:20 AM CDT
- In force
- 40 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
County Cheyenne County, KS
The radar
The Goodland radar (KGLD), 39 km from the middle of the area, began a volume at 06:43 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.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 6.7 hours before the alert went out and 122 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
- 666 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 3335 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
445
WUUS53 KGLD 150640
SVRGLD
KSC023-150745-
/O.NEW.KGLD.SV.W.0199.210815T0640Z-210815T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
140 AM CDT Sun Aug 15 2021
The National Weather Service in Goodland has issued a
* Severe Thunderstorm Warning for...
Western Cheyenne County in northwestern Kansas...
* Until 245 AM CDT.
* At 140 AM CDT, a severe thunderstorm was located 14 miles north of
Ruleton, moving southeast at 35 mph.
HAZARD...70 mph wind gusts.
SOURCE...Weather instrument at St. Francis airport.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* This severe thunderstorm will remain over mainly rural areas of
western Cheyenne County in northwestern Kansas, including the
following locations... Wheeler.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3957 10204 3981 10200 3992 10184 3984 10157
3968 10157 3957 10163
TIME...MOT...LOC 0640Z 336DEG 32KT 3955 10184
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Lundquist2 follow-up statements
577
WWUS53 KGLD 150651
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
151 AM CDT Sun Aug 15 2021
KSC023-150745-
/O.CON.KGLD.SV.W.0199.000000T0000Z-210815T0745Z/
Cheyenne KS-
151 AM CDT Sun Aug 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR WESTERN CHEYENNE COUNTY IN NORTHWESTERN KANSAS...
At 149 AM CDT, a severe thunderstorm was located 9 miles northwest of
Goodland, moving southeast at 35 mph.
HAZARD...70 mph wind gusts.
SOURCE...Weather instrument at St. Francis airport. At 1:35 AM CDT a
gust of 66 MPH was measured at the airport.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
St. Francis and Wheeler.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3957 10204 3981 10200 3992 10184 3984 10157
3968 10157 3957 10163
TIME...MOT...LOC 0649Z 336DEG 32KT 3947 10179
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Lundquist410
WWUS53 KGLD 150720
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
220 AM CDT Sun Aug 15 2021
KSC023-150730-
/O.CAN.KGLD.SV.W.0199.000000T0000Z-210815T0745Z/
Cheyenne KS-
220 AM CDT Sun Aug 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CHEYENNE COUNTY IN
NORTHWESTERN KANSAS IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3957 10204 3981 10200 3992 10184 3984 10157
3968 10157 3957 10163
TIME...MOT...LOC 0718Z 336DEG 32KT 3940 10148
$$
LundquistThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 11:23 PM CDT | Special Weather Statement | GLD | Cheyenne | 67 min |
| Aug 15, 12:26 AM CDT | Special Weather Statement | GLD | Cheyenne | 34 min |
| Aug 15, 12:49 AM CDT | Special Weather Statement | GLD | Sherman | 26 min |
| Aug 15, 1:14 AM CDT | Special Weather Statement | GLD | Sherman | 31 min |
| Aug 15, 1:53 AM CDT | Special Weather Statement | GLD | Sherman | 37 min |
| Aug 15, 2:10 AM CDT | Special Weather Statement | GLD | Wallace | 35 min |
| Aug 15, 2:28 AM CDT | Special Weather Statement | GLD | Sherman | 32 min |
| Aug 15, 2:45 AM CDT | Special Weather Statement | GLD | Wallace | 30 min |
| Aug 15, 3:31 AM CDT | Special Weather Statement | GLD | Graham | 29 min |
| Aug 15, 3:58 AM CDT | Special Weather Statement | GLD | Graham | 32 min |
| Aug 15, 4:30 AM CDT | Special Weather Statement | GLD | Graham | 30 min |
| Aug 15, 5:14 AM CDT | Flash Flood Warning | GLD | Graham | 6 hr |
| Aug 15, 2:55 PM CDT | Special Weather Statement | GLD | Graham | 20 min |
| Aug 15, 3:26 PM CDT | Special Weather Statement | GLD | Graham | 19 min |
| Aug 15, 6:04 PM CDT | Severe Thunderstorm Warning | GLD | Gove | 26 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.