Alert archive / Wyoming / Special Weather Statements in 2021
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at Jul 14, 2021, 7:13 PM MDT for Carbon County, Wyoming. It was in force for 32 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
- Jul 14, 2021, 7:13 PM MDT (01:13 UTC)
- Expired
- Jul 14, 2021, 7:45 PM MDT
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
County Carbon County, WY
The radar
The Cheyenne radar (KCYS), 175 km from the middle of the area, began a volume at 01:14 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
Riverton, WY (KRIW), launched 00:00Z, 1.2 hours before the alert went out and 220 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
- 703 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 2288 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
264
WWUS85 KCYS 150113
SPSCYS
Special Weather Statement
National Weather Service Cheyenne WY
713 PM MDT Wed Jul 14 2021
WYZ113-150145-
Upper North Platte River Basin WY-
713 PM MDT Wed Jul 14 2021
...SPECIAL WEATHER STATEMENT...
At 713 PM MDT, Doppler radar was tracking a strong thunderstorm near
Saratoga, or 27 miles southeast of Rawlins, moving east at 15 mph.
Pea size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Saratoga.
LAT...LON 4140 10697 4151 10695 4153 10688 4150 10669
4134 10673
TIME...MOT...LOC 0113Z 277DEG 12KT 4146 10691
$$
MokryThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:03 PM MDT | Special Weather Statement | CYS | Albany | 27 min |
| Jul 14, 6:17 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 43 min |
| Jul 14, 6:19 PM MDT | Special Weather Statement | CYS | Albany | 26 min |
| Jul 14, 6:34 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 26 min |
| Jul 14, 6:59 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 46 min |
| Jul 14, 7:45 PM MDT | Special Weather Statement | CYS | Carbon | 45 min |
| Jul 14, 7:53 PM MDT | Special Weather Statement | CYS | Albany | 37 min |
| Jul 14, 8:48 PM MDT | Special Weather Statement | CYS | Carbon | 27 min |
| Jul 14, 8:51 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 24 min |
| Jul 15, 3:55 PM MDT | Special Weather Statement | CYS | Laramie | 35 min |
| Jul 15, 4:22 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jul 15, 4:42 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 hr |
| Jul 15, 4:59 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Jul 15, 5:00 PM MDT | Special Weather Statement | CYS | Laramie | 15 min |
| Jul 15, 5:33 PM MDT | Special Weather Statement | CYS | Laramie | 12 min |
| Jul 15, 5:46 PM MDT | Special Weather Statement | CYS | Laramie | 29 min |
| Jul 14, 7:58 PM MDT | Special Weather Statement | CYS | Banner | 32 min |
| Jul 14, 8:54 PM MDT | Special Weather Statement | CYS | Banner | 36 min |
| Jul 15, 5:43 PM MDT | Special Weather Statement | CYS | Kimball | 32 min |
Nearby
Special Weather Statements in Wyoming, 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.