Alert archive / Wyoming / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 132, NWS Cheyenne, WY

June 30, 2013Albany County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 30, 2013, 5:18 PM MDT for Albany County, Wyoming. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 30, 2013, 5:18 PM MDT (23:18 UTC)
Expired: Jun 30, 2013, 6:00 PM MDT
In force: 42 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Albany County, WY

The radar

The Cheyenne radar (KCYS), 95 km from the middle of the area, began a volume at 23:17 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 30, 4:12 PM MDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jun 30, 4:12 PM MDT, 1 hour 6 minutes before

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Hazardous weather outlook, Jun 30, 11:41 AM MDT, 5 hours 37 minutes before

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In the hours before

Special weather statement, Jun 30, 4:31 PM MDT, 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
431 PM MDT SUN JUN 30 2013

WYZ114>116-302315-
LARAMIE VALLEY WY-SNOWY RANGE WY-SOUTH LARAMIE RANGE WY-
431 PM MDT SUN JUN 30 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN ALBANY COUNTY UNTIL 515
PM MDT...

AT 429 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 12 MILES NORTHWEST OF LARAMIE...MOVING SOUTH AT
30 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LAKE HATTIE RESERVOIR...
  HUTTON LAKE...

THIS INCLUDES INTERSTATE 80 IN WYOMING BETWEEN MILE MARKERS 294 AND
306.

&&

LAT...LON 4108 10563 4110 10600 4144 10588 4144 10569
TIME...MOT...LOC 2231Z 005DEG 27KT 4137 10579

HAMMER

Special weather statement, Jun 30, 4:59 PM MDT, 19 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
Jun 29, 7:31 PM MDT	Special Weather Statement	CYS	Albany	44 min
Jun 30, 4:31 PM MDT	Special Weather Statement	CYS	Albany	44 min
Jun 30, 4:38 PM MDT	Severe Thunderstorm Warning	CYS	Albany	52 min
Jun 30, 4:59 PM MDT	Special Weather Statement	CYS	Carbon	46 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2013 Every severe thunderstorm warning in 2013

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.