Alert archive / Wyoming / Special Weather Statements in 2018

Special Weather Statement, NWS Cheyenne, WY

August 7, 2018Laramie County, Wyoming

NWS Cheyenne, WY issued this special weather statement at Aug 7, 2018, 5:11 PM MDT for Laramie County, Wyoming. It was in force for 34 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 7, 2018, 5:11 PM MDT (23:11 UTC)
Expired: Aug 7, 2018, 5:45 PM MDT
In force: 34 min
Issued by: NWS Cheyenne, WY

County Laramie County, WY

The radar

The Cheyenne radar (KCYS), 42 km from the middle of the area, began a volume at 23:14 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 text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 7, 2:18 PM MDT, 2 hours 53 minutes earlier.

Area forecast discussion, Aug 7, 2:18 PM MDT, 2 hours 53 minutes before

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Hazardous weather outlook, Aug 7, 6:43 AM MDT, 10 hours 28 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
643 AM MDT Tue Aug 7 2018

NEZ002-003-019>021-054-055-095-096-WYZ101>119-081245-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-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-
643 AM MDT Tue Aug 7 2018

This hazardous weather outlook is for portions of western
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Patchy fog can be expected over the high plains of southeast
Wyoming and the western Nebraska Panhandle through 9 AM MDT this
morning. Visibilities may be reduced to one half mile at times.
Motorists are advised to use caution.

A few showers and thunderstorms are possible this afternoon and
evening, mainly along the Interstate 80 corridor between Laramie
and Sidney. Severe weather is not expected. However, a few storms
could produce small hail and gusty winds.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

The probability for widespread hazardous weather is low.

.Spotter information statement...

Spotter activation will not be needed.

In the hours before

Local storm report, Aug 7, 4:14 PM MDT, 57 minutes before

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Local storm report, Aug 7, 4:32 PM MDT, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
432 PM MDT TUE AUG 7 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     FLASH FLOOD      1 ESE CHEYENNE          41.14N 104.77W
08/07/2018                   LARAMIE            WY   PUBLIC

            INTERSTECTION OF PERSHING AND COLLEGE. DIME HAIL...HEAVY
            RAIN AND FLOODING. WATER UP TO STEPS OF HOUSE.

&&

GCLAYCOM

Local storm report, Aug 7, 4:38 PM MDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
438 PM MDT TUE AUG 7 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0437 PM     FLASH FLOOD      1 ESE CHEYENNE          41.14N 104.77W
08/07/2018                   LARAMIE            WY   PUBLIC

            INTERSTECTION OF COLLEGE AND PERSHING. STREET IS FLOODED
            AND COMING OVER CURBS.

&&

GCLAYCOM

Local storm report, Aug 7, 5:00 PM MDT, 11 minutes before

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Special weather statement, Aug 7, 5:06 PM MDT, 5 minutes before

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Special weather statement, Aug 7, 5:11 PM MDT, 0 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 6, 6:05 PM MDT	Special Weather Statement	CYS	Laramie	25 min
Aug 6, 6:29 PM MDT	Special Weather Statement	CYS	Laramie	31 min
Aug 7, 1:46 PM MDT	Special Weather Statement	CYS	Laramie	44 min
Aug 7, 2:14 PM MDT	Special Weather Statement	CYS	Laramie	46 min
Aug 7, 3:12 PM MDT	Special Weather Statement	CYS	Laramie	33 min
Aug 7, 3:25 PM MDT	Special Weather Statement	CYS	Laramie	50 min
Aug 7, 3:35 PM MDT	Special Weather Statement	CYS	Laramie	25 min
Aug 7, 3:57 PM MDT	Areal Flood Advisory	CYS	Laramie	3 hr
Aug 7, 4:01 PM MDT	Special Weather Statement	CYS	Laramie	29 min
Aug 7, 4:05 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	25 min
Aug 7, 4:06 PM MDT	Flash Flood Warning	CYS	Laramie	3 hr
Aug 7, 4:09 PM MDT	Special Weather Statement	CYS	Laramie	51 min
Aug 7, 4:27 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	48 min
Aug 7, 4:50 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	25 min
Aug 7, 5:06 PM MDT	Special Weather Statement	CYS	Laramie	39 min
Aug 6, 6:03 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	27 min
Aug 6, 7:16 PM MDT	Special Weather Statement	CYS	Scotts Bluff	44 min
Aug 6, 7:50 PM MDT	Special Weather Statement	CYS	Kimball	40 min
Aug 6, 7:57 PM MDT	Special Weather Statement	CYS	Dawes	33 min
Aug 6, 8:04 PM MDT	Special Weather Statement	CYS	Scotts Bluff	26 min

Nearby

Special Weather Statements in Wyoming, 2018 Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.