Alert archive / Wyoming / High Wind Warnings in 2020

High Wind Warning 13, NWS Riverton, WY

June 13, 2020Fremont County, Wyoming

NWS Riverton, WY issued this high wind warning at Jun 13, 2020, 10:07 AM MDT for Fremont County, Wyoming. It was in force for 8 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 13, 2020, 10:07 AM MDT (16:07 UTC)
Expired
Jun 13, 2020, 6:00 PM MDT
In force
8 hr
Issued by
NWS Riverton, WY

County Fremont County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 16:06 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 was reported inside it

TimeReportWhereRemark
Jun 13, 10:23 AM MDTNON-TSTM WND GST 591 Ssw Lander, WYASOS STATION KLND LANDER AIRPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 4.1 hours before the alert went out and 19 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2020-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2020-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3452 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

233 
WWUS75 KRIW 131607
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1007 AM MDT Sat Jun 13 2020

...HIGH WIND WARNING FOR THE LANDER FOOTHILLS THROUGH THIS
AFTERNOON...

.Strong winds aloft will continue to mix down into the Lander
Foothills late this morning into the afternoon.

WYZ018-140000-
/O.NEW.KRIW.HW.W.0013.200613T1607Z-200614T0000Z/
Lander Foothills-
Including the city of Lander
1007 AM MDT Sat Jun 13 2020

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

* WHAT...South to Southwest winds 30 to 40 mph with gusts up to 
  60 mph.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Mainly to transportation especially on west to east
  orientated roads. There could be control issues especially for 
  light and high profile vehicles, including campers and tractor 
  trailers.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if traveling. In a parking lot, park into the wind to
minimize the possibility of you car door hitting another vehicle.

&&

$$

21
2 follow-up statements
036 
WWUS75 KRIW 132044
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
244 PM MDT Sat Jun 13 2020

...HIGH WIND WARNING FOR THE LANDER FOOTHILLS THROUGH THIS
AFTERNOON...

.Strong winds aloft will continue to mix down into the Lander
Foothills this afternoon.

WYZ018-140000-
/O.CON.KRIW.HW.W.0013.000000T0000Z-200614T0000Z/
Lander Foothills-
Including the city of Lander
244 PM MDT Sat Jun 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...South to Southwest winds 30 to 40 mph with gusts up to 
  60 mph.

* WHERE...Lander Foothills.

* WHEN...Until 6 PM this evening.

* IMPACTS...Mainly to transportation especially on west to east 
  orientated roads. There could be control issues especially for 
  light and high profile vehicles, including campers and tractor 
  trailers.

* ADDITIONAL DETAILS...Please keep two hands on your steering 
  wheel in case of a sudden, strong wind gust.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if traveling. In a parking lot, park into the wind to
minimize the possibility of you car door hitting another vehicle.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw
937 
WWUS75 KRIW 132352
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
552 PM MDT Sat Jun 13 2020

WYZ018-140100-
/O.EXP.KRIW.HW.W.0013.000000T0000Z-200614T0000Z/
Lander Foothills-
Including the city of Lander
552 PM MDT Sat Jun 13 2020

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

The threat for high wind is over and thus the high wind warning
will be allowed to expire at 6 PM MDT. A south wind of 20 to 30
mph with gusts to 40 mph will occur through 8 PM, then decrease.

$$

For more information from the National Weather Service visit
http://weather.gov/riw

Nearby

High Wind Warnings in Wyoming, 2020Every high wind warning in 2020

Sources

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