Alert archive / Wyoming / Frost Advisories in 2019
Frost Advisory 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this frost advisory at Jun 8, 2019, 2:29 PM MDT for Albany County, Carbon County, Wyoming. It took effect at Jun 9, 2019, 2:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 8, 2019, 2:29 PM MDT (20:29 UTC)
- In effect from
- Jun 9, 2019, 2:00 AM MDT
- Expired
- Jun 9, 2019, 8:00 AM MDT
- In force
- 6 hr
- Issued by
- NWS Cheyenne, WY
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 20:32 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 12:00Z, 8.5 hours before the alert went out and 329 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2844 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at Jun 8, 11:42 AM MDT, 2 hours 47 minutes earlier.
Area forecast discussion, Jun 8, 11:42 AM MDT, 2 hours 47 minutes before
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</html>Hazardous weather outlook, Jun 8, 11:27 AM MDT, 3 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 1127 AM MDT Sat Jun 8 2019 NEZ054-055-WYZ119-091100- Kimball-Cheyenne-East Laramie County- 1127 AM MDT Sat Jun 8 2019 This hazardous weather outlook is for portions of western Nebraska and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Scattered showers and a few thunderstorms are expected over the area this afternoon into this evening. Some potential exists for a couple storm to become strong with hail the main threat. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation is not expected at this time. NEZ019>021-WYZ106>108-115>118-091100- Scotts Bluff-Banner-Morrill- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Laramie Valley- South Laramie Range-South Laramie Range Foothills- Central Laramie County- 1127 AM MDT Sat Jun 8 2019 This hazardous weather outlook is for portions of western Nebraska and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Scattered showers and a few thunderstorms are expected this afternoon into tonight. No severe storms are expected. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be needed. NEZ002-003-095-096-WYZ101>105-109>114-091100- Dawes-Box Butte-North Sioux-South Sioux- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Sierra Madre Range- Upper North Platte River Basin-Snowy Range- 1127 AM MDT Sat Jun 8 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be needed.
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 2:37 PM MDT | Special Weather Statement | CYS | Laramie | 38 min |
| Jun 8, 2:45 PM MDT | Special Weather Statement | CYS | Laramie | 45 min |
| Jun 8, 3:05 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jun 8, 3:17 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| Jun 8, 3:32 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 17 min |
| Jun 8, 3:50 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jun 8, 3:56 PM MDT | Special Weather Statement | CYS | Laramie | 49 min |
| Jun 8, 4:05 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jun 8, 4:47 PM MDT | Special Weather Statement | CYS | Laramie | 43 min |
| Jun 8, 5:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 24 min |
| Jun 7, 6:18 PM MDT | Areal Flood Advisory | CYS | Morrill | 3 hr |
| Jun 7, 6:49 PM MDT | Special Weather Statement | CYS | Morrill | 41 min |
| Jun 7, 8:18 PM MDT | Special Weather Statement | CYS | Cheyenne | 42 min |
| Jun 8, 4:51 PM MDT | Special Weather Statement | CYS | Kimball | 39 min |
| Jun 8, 5:44 PM MDT | Special Weather Statement | CYS | Kimball | 46 min |
Nearby
Frost Advisories in Wyoming, 2019Every frost advisory in 2019
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.