Alert archive / Colorado / Special Weather Statements in 2021
Special Weather Statement, NWS Goodland, KS
NWS Goodland, KS issued this special weather statement at Aug 6, 2021, 6:39 PM MDT for Yuma County, Colorado. It was in force for 21 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 6, 2021, 6:39 PM MDT (00:39 UTC)
- Expired
- Aug 6, 2021, 7:00 PM MDT
- In force
- 21 min
- Issued by
- NWS Goodland, KS
- Hail
- 0.00 in
- Wind
- 50
County Yuma County, CO
The radar
The Goodland radar (KGLD), 87 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 65 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
- 4 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 3329 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
752
WWUS83 KGLD 070039
SPSGLD
Special Weather Statement
National Weather Service Goodland KS
639 PM MDT Fri Aug 6 2021
COZ090-070100-
Yuma County CO-
639 PM MDT Fri Aug 6 2021
...A strong thunderstorm will impact portions of central Yuma County
through 700 PM MDT...
At 638 PM MDT, Doppler radar was tracking a strong thunderstorm 14
miles south of Eckley, or 17 miles southwest of Wray, moving east at
25 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
This storm will remain over mainly rural areas of central Yuma County
County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3982 10255 3996 10256 3998 10234 3981 10232
TIME...MOT...LOC 0038Z 266DEG 21KT 3990 10246
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
LundquistThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:15 PM MDT | Special Weather Statement | GLD | Cheyenne | 15 min |
| Aug 6, 7:36 PM MDT | Special Weather Statement | GLD | Cheyenne | 9 min |
| Aug 6, 7:47 PM MDT | Special Weather Statement | GLD | Cheyenne | 13 min |
| Aug 6, 8:37 PM MDT | Special Weather Statement | GLD | Sherman | 23 min |
| Aug 6, 8:41 PM MDT | Severe Thunderstorm Warning | GLD | Sherman | 34 min |
| Aug 6, 8:49 PM MDT | Special Weather Statement | GLD | Cheyenne | 26 min |
| Aug 6, 8:55 PM MDT | Special Weather Statement | GLD | Sherman | 20 min |
| Aug 6, 9:31 PM MDT | Special Weather Statement | GLD | Thomas | 14 min |
| Aug 7, 4:30 AM MDT | Special Weather Statement | GLD | Norton | 30 min |
| Aug 7, 2:44 PM MDT | Special Weather Statement | GLD | Greeley | 31 min |
| Aug 7, 2:52 PM MDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 38 min |
| Aug 7, 3:12 PM MDT | Severe Thunderstorm Warning | GLD | Greeley, Wallace | 63 min |
| Aug 7, 3:29 PM MDT | Severe Thunderstorm Warning | GLD | Wichita | 46 min |
| Aug 7, 4:08 PM MDT | Special Weather Statement | GLD | Greeley | 22 min |
| Aug 7, 4:11 PM MDT | Severe Thunderstorm Warning | GLD | Logan | 48 min |
| Aug 7, 4:17 PM MDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 43 min |
| Aug 7, 4:32 PM MDT | Severe Thunderstorm Warning | GLD | Logan, Sheridan, Thomas | 58 min |
| Aug 7, 4:52 PM MDT | Severe Thunderstorm Warning | GLD | Greeley | 38 min |
| Aug 7, 5:10 PM MDT | Severe Thunderstorm Warning | GLD | Wichita | 56 min |
| Aug 7, 5:24 PM MDT | Severe Thunderstorm Warning | GLD | Sheridan, Thomas | 56 min |
| Aug 7, 5:45 PM MDT | Severe Thunderstorm Warning | GLD | Decatur, Sheridan | 75 min |
| Aug 6, 8:08 PM MDT | Special Weather Statement | GLD | Kit Carson | 22 min |
| Aug 6, 8:28 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 32 min |
| Aug 7, 2:58 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 32 min |
| Aug 7, 3:28 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 16 min |
| Aug 6, 7:51 PM MDT | Special Weather Statement | GLD | Dundy | 9 min |
| Aug 6, 8:03 PM MDT | Special Weather Statement | GLD | Dundy | 12 min |
| Aug 6, 8:32 PM MDT | Special Weather Statement | GLD | Hitchcock | 28 min |
Nearby
Special Weather Statements in Colorado, 2021Every special weather statement 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.