Alert archive / Wyoming / Flash Flood Watches in 2022
Flash Flood Watch 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood watch at Jul 28, 2022, 2:14 AM MDT for Albany County, Carbon County, Wyoming. It took effect at Jul 28, 2022, 11:00 AM MDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jul 28, 2022, 2:14 AM MDT (08:14 UTC)
- In effect from
- Jul 28, 2022, 11:00 AM MDT
- Expired
- Jul 28, 2022, 9:00 PM MDT
- In force
- 10 hr
- Issued by
- NWS Cheyenne, WY
- Flood severity
- None
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 08:14 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
Grand Junction, CO (KGJT), launched 00:00Z, 8.2 hours before the alert went out and 337 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
- 621 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 2625 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this flash flood watch went out at Jul 27, 10:55 PM MDT, 3 hours 19 minutes earlier.
Area forecast discussion, Jul 27, 10:55 PM MDT, 3 hours 19 minutes before
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</html>Hazardous weather outlook, Jul 27, 1:46 PM MDT, 12 hours 28 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 146 PM MDT Wed Jul 27 2022 NEZ002-003-019>021-054-055-095-096-WYZ101>119-282000- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 146 PM MDT Wed Jul 27 2022 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Thunderstorms are likely especially in far southeast Wyoming and southwestern Nebraska this afternoon and evening. Large hail and gusty winds are the most likely concerns. The thunderstorm activity should generally favor areas along and south of I80 before ending by 9pm or so. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY Another round of showers and thunderstorms are possible on Thursday afternoon, especially over the higher terrain of southeast Wyoming. Small hail and gusty winds, along with heavy downpours will be the primary concern. Drier weather will move in for Friday and the weekend although a weak afternoon storm cannot be ruled out in the higher terrain. .Spotter information statement... Please report any hail over 1" in diameter or damaging wind gusts to your local NWS office.
In the hours before
Local storm report, Jul 27, 9:39 PM MDT, 4 hours 35 minutes before
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</html>Local storm report, Jul 27, 10:43 PM MDT, 3 hours 31 minutes before
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</html>Local storm report, Jul 27, 11:13 PM MDT, 3 hours 1 minute before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 6:09 PM MDT | Special Weather Statement | CYS | Laramie | 36 min |
| Jul 27, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jul 27, 7:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jul 27, 7:28 PM MDT | Special Weather Statement | CYS | Platte | 32 min |
| Jul 27, 7:55 PM MDT | Special Weather Statement | CYS | Platte | 35 min |
| Jul 27, 8:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 42 min |
| Jul 27, 8:31 PM MDT | Special Weather Statement | CYS | Goshen | 29 min |
| Jul 27, 8:40 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 39 min |
| Jul 27, 8:49 PM MDT | Special Weather Statement | CYS | Goshen | 26 min |
| Jul 27, 9:17 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 43 min |
| Jul 27, 9:57 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| Jul 27, 10:36 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jul 28, 1:00 AM MDT | Special Weather Statement | CYS | Carbon | 45 min |
| Jul 28, 3:29 AM MDT | Special Weather Statement | CYS | Albany | 46 min |
| Jul 28, 4:41 AM MDT | Special Weather Statement | CYS | Laramie | 49 min |
| Jul 28, 5:35 AM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jul 28, 1:45 PM MDT | Flash Flood Warning | CYS | Albany, Carbon | 3 hr |
| Jul 28, 2:47 PM MDT | Areal Flood Advisory | CYS | Carbon | 3 hr |
| Jul 28, 4:09 PM MDT | Special Weather Statement | CYS | Albany | 51 min |
| Jul 28, 4:16 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 44 min |
| Jul 28, 5:00 PM MDT | Special Weather Statement | CYS | Albany | 60 min |
| Jul 28, 5:23 PM MDT | Special Weather Statement | CYS | Albany | 52 min |
| Jul 28, 5:27 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 48 min |
| Jul 28, 5:50 PM MDT | Special Weather Statement | CYS | 40 min | |
| Jul 27, 9:32 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 28 min |
| Jul 27, 9:47 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 43 min |
| Jul 27, 10:16 PM MDT | Areal Flood Advisory | CYS | Scotts Bluff | 2 hr |
| Jul 27, 10:21 PM MDT | Special Weather Statement | CYS | Banner | 39 min |
Nearby
Flash Flood Watches in Wyoming, 2022Every flash flood watch in 2022
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.