Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 57, NWS Cheyenne, WY

December 13, 2021Albany County, Carbon County, Converse County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 13, 2021, 2:26 AM MST for Albany County, Carbon County, Converse County, Wyoming. It took effect at Dec 13, 2021, 5:00 AM MST. It was in force for 36 hr. 4 reports 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
Dec 13, 2021, 2:26 AM MST (09:26 UTC)
In effect from
Dec 13, 2021, 5:00 AM MST
Expired
Dec 14, 2021, 5:00 PM MST
In force
36 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY

The radar

The Cheyenne radar (KCYS), 148 km from the middle of the area, began a volume at 09:26 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
Dec 14, 1:06 AM MSTNON-TSTM WND GST 637 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 14, 4:22 AM MSTNON-TSTM WND GST 607 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 14, 6:06 AM MSTNON-TSTM WND GST 581 S Glenrock, WYMESONET STATION KDRC 1.4 S GLENROCK (WYDOT).
Dec 14, 12:22 PM MSTNON-TSTM WND GST 582 Nw Shirley Basin, WYMESONET STATION WY44 2.3 NW SHIRLEY BASIN (WYDOT).

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 00:00Z, 9.4 hours before the alert went out and 220 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 00:00Z on 2021-12-13Temperature 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 00:00Z on 2021-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.1939587897117136Sfc1 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
2229 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

590 
WWUS75 KCYS 130926
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
Issued by National Weather Service Riverton WY
226 AM MST Mon Dec 13 2021

WYZ104-105-110-132100-
/O.UPG.KCYS.HW.A.0049.211213T1200Z-211214T1500Z/
/O.NEW.KCYS.HW.W.0057.211213T1200Z-211214T1500Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
North Snowy Range Foothills-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Arlington, and Elk Mountain
226 AM MST Mon Dec 13 2021

...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO
8 AM MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts 65 to 75 mph 
  expected.

* WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin and 
  North Snowy Range Foothills.

* WHEN...From 5 AM MST this morning to 8 AM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Use caution if you must drive. 

$$

WYZ109-132100-
/O.EXT.KCYS.HW.A.0049.211213T1900Z-211214T1500Z/
Central Carbon County-
Including the city of Rawlins
226 AM MST Mon Dec 13 2021

...HIGH WIND WATCH NOW IN EFFECT FROM NOON MST TODAY THROUGH
TUESDAY MORNING...

* WHAT...Wind speeds will increase to 30 to 40 mph this afternoon
  with gusts around 60 mph possible. This wind is expected to
  occur through tonight. 

* WHERE...Central Carbon County.

* WHEN...From noon MST today through Tuesday morning.

* IMPACTS...Travel could be difficult, especially for high 
  profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ101-106-111-116-132100-
/O.CON.KCYS.HW.A.0049.211214T0300Z-211214T1500Z/
Converse County Lower Elevations-
Central Laramie Range and Southwest Platte County-
Southwest Carbon County-South Laramie Range-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Bordeaux, Baggs, Buford, Pumpkin Vine, and Vedauwoo
226 AM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING...

* WHAT...Southwest Wind of 30 to 40 mph with gusts around 60 mph
  possible. Wind speeds in the mountains of 40 to 50 mph with
  gusts around 70 mph possible.

* WHERE...Converse County Lower Elevations, Southwest Platte
  County, Southwest Carbon County, and the Central and South 
  Laramie Range.

* WHEN...8 PM MST Tonight until 8 AM MST 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
5 follow-up statements
019 
WWUS75 KCYS 131859
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
Issued by National Weather Service Riverton WY
1159 AM MST Mon Dec 13 2021

WYZ104-105-110-140900-
/O.EXT.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
North Snowy Range Foothills-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Arlington, and Elk Mountain
1159 AM MST Mon Dec 13 2021

...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts 65 to 75 mph 
  expected.

* WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin and 
  North Snowy Range Foothills.

* WHEN...Until 5 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Use caution if you must drive.

$$

WYZ109-140900-
/O.EXT.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Central Carbon County-
Including the city of Rawlins
1159 AM MST Mon Dec 13 2021

...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...

* WHAT...Wind increases late tonight through the day Tuesday with
  speeds of 30 to 40 mph with gusts around 60 mph possible.

* WHERE...Central Carbon County.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Travel could be difficult, especially for high 
  profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ101-106-111-116-140900-
/O.EXT.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Converse County Lower Elevations-
Central Laramie Range and Southwest Platte County-
Southwest Carbon County-South Laramie Range-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Bordeaux, Baggs, Buford, Pumpkin Vine, and Vedauwoo
1159 AM MST Mon Dec 13 2021

...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...

* WHAT...Southwest Wind of 30 to 40 mph with gusts around 60 mph 
  possible. Wind speeds in the mountains of 40 to 50 mph with 
  gusts around 70 mph possible.

* WHERE...Converse County Lower Elevations, Southwest Platte 
  County, Southwest Carbon County, and the Central and South 
  Laramie Range.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
399 
WWUS75 KCYS 132157
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
257 PM MST Mon Dec 13 2021

WYZ106-116-141000-
/O.CAN.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
/O.NEW.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-
Including the cities of Bordeaux, Buford, Pumpkin Vine, 
and Vedauwoo
257 PM MST Mon Dec 13 2021

...HIGH WIND WATCH FOR LATER TONIGHT IS CANCELLED... 
...NEW HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH 
THURSDAY MORNING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  possible.

* WHERE...Central Laramie Range and Southwest Platte County and
  South Laramie Range including Bordeaux and Vedauwoo.

* WHEN...From Wednesday morning through Thursday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ110-141000-
/O.NEW.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
257 PM MST Mon Dec 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...

* WHAT...For the High Wind Warning, southwest winds 30 to 40 mph 
  with gusts up to 65 mph. For the High Wind Watch, west winds 
  30 to 40 mph with gusts up to 60 mph possible.

* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain.

* WHEN...For the High Wind Warning, until 5 PM MST Tuesday. For 
  the High Wind Watch, from Wednesday morning through Thursday 
  morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this 
situation. Use caution if you must drive.

&&

$$

WYZ104-105-141000-
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Including the cities of Seminoe Dam, Medicine Bow, 
and Shirley Basin
257 PM MST Mon Dec 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts 65 to 75 mph 
  expected.

* WHERE...Ferris/Seminoe/Shirley Mountains and Shirley Basin.

* WHEN...Until 5 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Use caution if you must drive.

$$

WYZ115-117-141000-
/O.NEW.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
Laramie Valley-South Laramie Range Foothills-
Including the cities of Laramie, Bosler, Whitaker, Federal, 
and Horse Creek
257 PM MST Mon Dec 13 2021

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  possible.

* WHERE...Laramie Valley and South Laramie Range Foothills
  including the city of Laramie.

* WHEN...From Wednesday morning through Thursday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

NEZ019>021-054-055-WYZ107-108-118-119-141000-
/O.NEW.KCYS.HW.A.0050.211215T1800Z-211216T0300Z/
Scotts Bluff County-Banner County-Morrill County-Kimball County-
Cheyenne County-East Platte County-Goshen County-
Central Laramie County-East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Sidney, Brownson, 
Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs
257 PM MST Mon Dec 13 2021

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph 
  possible.

* WHERE...In Wyoming, East Platte County, Goshen County, Central
  Laramie County and East Laramie County including the cities of
  Cheyenne, Torrington, and Wheatland. In Nebraska, Scotts Bluff
  County, Banner County, Morrill County, Kimball County and
  Cheyenne County.

* WHEN...From Wednesday morning through Wednesday evening.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ109-141000-
/O.CON.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Central Carbon County-
Including the city of Rawlins
257 PM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 AM MST TUESDAY
THROUGH TUESDAY AFTERNOON...

* WHAT...Wind increases late tonight through the day Tuesday 
  with speeds of 30 to 40 mph with gusts around 60 mph possible.

* WHERE...Central Carbon County including the city of Rawlins.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Travel could be difficult, especially for high 
  profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ101-111-141000-
/O.CON.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Converse County Lower Elevations-Southwest Carbon County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
and Baggs
257 PM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 AM MST TUESDAY
THROUGH TUESDAY AFTERNOON...

* WHAT...Southwest Wind of 30 to 40 mph with gusts around 60 mph
  possible.

* WHERE...Converse County Lower Elevations and Southwest Carbon
  County including the cities of Douglas and Baggs.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

Brothers
871 
WWUS75 KCYS 140234
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
734 PM MST Mon Dec 13 2021

WYZ111-140345-
/O.CAN.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Southwest Carbon County-
Including the city of Baggs
734 PM MST Mon Dec 13 2021

...HIGH WIND WATCH IS CANCELLED...

Strong winds are not expected at this time. Therefore...the High
Wind Watch has been cancelled.

$$

WYZ101-141200-
/O.UPG.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
/O.EXA.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Converse County Lower Elevations-
Including the cities of Douglas, Glenrock, Bill, and Deer Creek
734 PM MST Mon Dec 13 2021

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST TUESDAY...

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

* WHERE...Converse County Lower Elevations.

* WHEN...Until 5 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ110-141200-
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
/O.CON.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
734 PM MST Mon Dec 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING...

* WHAT...For the High Wind Warning, southwest winds 30 to 40 mph 
  with gusts up to 65 mph. For the High Wind Watch, west winds 
  30 to 40 mph with gusts up to 60 mph possible.

* WHERE...North Snowy Range Foothills including Arlington and 
  Elk Mountain.

* WHEN...For the High Wind Warning, until 5 PM MST Tuesday. For 
  the High Wind Watch, from Wednesday morning through Thursday 
  morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ104-105-141200-
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Including the cities of Seminoe Dam, Medicine Bow, 
and Shirley Basin
734 PM MST Mon Dec 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts 65 to 75 mph 
  expected.

* WHERE...Ferris/Seminoe/Shirley Mountains and Shirley Basin.

* WHEN...Until 5 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ109-141200-
/O.CON.KCYS.HW.A.0049.211214T0900Z-211215T0000Z/
Central Carbon County-
Including the city of Rawlins
734 PM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 AM MST TUESDAY
THROUGH TUESDAY AFTERNOON...

* WHAT...Wind increases late tonight through the day Tuesday 
  with speeds of 30 to 40 mph with gusts around 60 mph possible.

* WHERE...Central Carbon County including the city of Rawlins.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Travel could be difficult, especially for high 
  profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ106-115>117-141200-
/O.CON.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
Central Laramie Range and Southwest Platte County-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Laramie, Bosler, Buford, 
Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek
734 PM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  possible.

* WHERE...Central Laramie Range and Southwest Platte County and 
  South Laramie Range including Bordeaux and Vedauwoo.

* WHEN...From Wednesday morning through Thursday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

NEZ019>021-054-055-WYZ107-108-118-119-141200-
/O.CON.KCYS.HW.A.0050.211215T1800Z-211216T0300Z/
Scotts Bluff County-Banner County-Morrill County-Kimball County-
Cheyenne County-East Platte County-Goshen County-
Central Laramie County-East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Sidney, Brownson, 
Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs
734 PM MST Mon Dec 13 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph 
  possible.

* WHERE...In Wyoming, East Platte County, Goshen County, Central 
  Laramie County and East Laramie County including the cities of 
  Cheyenne, Torrington, and Wheatland. In Nebraska, Scotts Bluff 
  County, Banner County, Morrill County, Kimball County and 
  Cheyenne County.

* WHEN...From Wednesday morning through Wednesday evening.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
397 
WWUS75 KCYS 141108
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
408 AM MST Tue Dec 14 2021

WYZ109-150000-
/O.CAN.KCYS.HW.A.0049.000000T0000Z-211215T0000Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Central Carbon County-
Including the city of Rawlins
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH possible.

* WHERE...Central Carbon County including the city of Rawlins. 

* WHEN...8 AM until 11 PM MST Wednesday. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ110-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
/O.NEW.KCYS.HW.W.0058.211215T1200Z-211216T1200Z/
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...HIGH WIND WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM MST
THURSDAY...

* WHAT...West to southwest winds 40 to 50 MPH with gusts up to 80
  MPH possible. 

* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain along Interstate 80 between Laramie and Rawlins. 

* WHEN...Two periods of strong winds expected. First, until 5 PM
  MST this afternoon. Second, from 5 AM MST Wednesday until 5 AM
  MST Thursday. The strongest winds are expected on Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ115-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Laramie Valley-
Including the cities of Laramie and Bosler
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH possible.

* WHERE...Laramie Valley including the city of Laramie. 

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ116-117-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T1200Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 5 AM MST
THURSDAY...

* WHAT...West winds 45 to 60 MPH with gusts as high as 90 MPH
  possible. 

* WHERE...South Laramie Range and adjacent foothills including
  Interstate 80 between Laramie and Cheyenne. 

* WHEN...8 AM Wednesday until 5 AM MST Thursday. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. Winds of this magnitude can also lead to property
  damage and localized power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ107-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T0300Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T1200Z/
East Platte County-
Including the cities of Wheatland and Guernsey
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 5 AM MST
THURSDAY...

* WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH possible. 

* WHERE...East Platte County including Glendo, Wheatland, and
  Chugwater. 

* WHEN...8 AM Wednesday until 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ106-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T1500Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T1200Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 5 AM MST
THURSDAY...

* WHAT...West winds 40 to 50 MPH with gusts up to 80 MPH possible. 

* WHERE...Bordeaux along Interstate 25 between Chugwater and
  Wheatland. 

* WHEN...8 AM Wednesday until 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

NEZ020-021-054-055-WYZ118-119-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T0300Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Banner County-Morrill County-Kimball County-Cheyenne County-
Central Laramie County-East Laramie County-
Including the cities of Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Kimball, Sidney, Brownson, Cheyenne, and Pine Bluffs
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...West to northwest winds 35 to 50 MPH with gusts 70 to 80
  MPH possible.

* WHERE...Interstate 80 corridor from Cheyenne to Sidney including
  the cities of Cheyenne, Pine Bluffs, Kimball, Sidney,
  Harrisburg, and Bridgeport. 

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. Winds of this magnitude can also lead to property
  damage and localized power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

NEZ019-WYZ108-150000-
/O.UPG.KCYS.HW.A.0050.211215T1800Z-211216T0300Z/
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Scotts Bluff County-Goshen County-
Including the cities of Scottsbluff, Gering, and Torrington
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...Northwest winds 35 to 45 MPH with gusts up to 70 MPH 
  possible. 

* WHERE...East central Wyoming and the northern Nebraska Panhandle
  including Lusk, Torrington, Scottsbluff, Alliance, and Chadron.

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ113-150000-
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Upper North Platte River Basin-
Including the cities of Saratoga and Encampment
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...West winds 30 to 40 MPH with gusts up to 65 MPH 
  possible.

* WHERE...Upper North Platte River Basin including Saratoga. 

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

NEZ002-003-095-096-WYZ102-150000-
/O.NEW.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Dawes County-Box Butte County-Northern Sioux County-
Southern Sioux County-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Harrison, Agate, Lusk, and Redbird
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST WEDNESDAY...

* WHAT...Northwest winds 35 to 45 mph with gusts up to 60 mph
  possible.

* WHERE...East central Wyoming and the northern Nebraska Panhandle
  including Lusk, Torrington, Scottsbluff, Alliance, and Chadron.

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ101-104-105-150000-
/O.CON.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, and Shirley Basin
408 AM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Southwest winds 35 to 45 MPH with gusts up to 60 MPH 
  possible.

* WHERE...Northern Carbon County including Muddy Gap and Shirley
  Basin. 

* WHEN...Until 5 PM MST this afternoon. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

CLH
864 
WWUS75 KCYS 142345
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
445 PM MST Tue Dec 14 2021

WYZ110-151200-
/O.EXP.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
/O.CON.KCYS.HW.W.0058.211215T1200Z-211216T1200Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM WEDNESDAY TO
5 AM MST THURSDAY...
...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

* WHAT...Winds easing this afternoon for a brief time to gusts to
  40 mph. West winds 35 to 45 mph with gusts up to 75 mph 
  expected after 5 AM Wednesday.

* WHERE...North Snowy Range Foothills including Arlington and 
  Elk Mountain along Interstate 80 between Laramie and Rawlins.

* WHEN...From 5 AM MST Wednesday until 5 AM MST Thursday. The
  strongest winds are expected Wednesday evening.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ101-104-105-150045-
/O.EXP.KCYS.HW.W.0057.000000T0000Z-211215T0000Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, and Shirley Basin
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Winds have eased this afternoon and warning level winds are no
longer expected. Therefore...the High Wind Warning will be allowed
to expire on time at 5 PM.

$$

WYZ109-113-115-151200-
/O.CON.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Central Carbon County-Upper North Platte River Basin-
Laramie Valley-
Including the cities of Rawlins, Saratoga, Encampment, Laramie, 
and Bosler
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM MST
WEDNESDAY...

* WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH 
  possible.

* WHERE...Central Carbon County including the city of Rawlins.

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ116-117-151200-
/O.CON.KCYS.HW.W.0058.211215T1500Z-211216T1200Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
5 AM MST THURSDAY...

* WHAT...West winds 45 to 60 MPH with gusts as high as 90 MPH 
  possible.

* WHERE...South Laramie Range and adjacent foothills including 
  Interstate 80 between Laramie and Cheyenne.

* WHEN...8 AM Wednesday until 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways. Winds of this magnitude can also lead to property 
  damage and localized power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ106-107-151200-
/O.CON.KCYS.HW.W.0058.211215T1500Z-211216T1200Z/
Central Laramie Range and Southwest Platte County-
East Platte County-
Including the cities of Bordeaux, Wheatland, and Guernsey
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM WEDNESDAY TO
5 AM MST THURSDAY...

* WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH 
  possible.

* WHERE...East Platte County including Glendo, Wheatland, and 
  Chugwater.

* WHEN...8 AM Wednesday until 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NEZ020-021-054-055-WYZ118-119-151200-
/O.CON.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Banner County-Morrill County-Kimball County-Cheyenne County-
Central Laramie County-East Laramie County-
Including the cities of Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Kimball, Sidney, Brownson, Cheyenne, and Pine Bluffs
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM MST
WEDNESDAY...

* WHAT...West to northwest winds 35 to 50 MPH with gusts 70 to 
  80 MPH possible.

* WHERE...Interstate 80 corridor from Cheyenne to Sidney 
  including the cities of Cheyenne, Pine Bluffs, Kimball, 
  Sidney, Harrisburg, and Bridgeport.

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways. Winds of this magnitude can also lead to property 
  damage and localized power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NEZ002-003-019-095-096-WYZ102-108-151200-
/O.CON.KCYS.HW.W.0058.211215T1500Z-211216T0600Z/
Dawes County-Box Butte County-Scotts Bluff County-
Northern Sioux County-Southern Sioux County-Niobrara County-
Goshen County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Scottsbluff, Gering, Harrison, Agate, Lusk, Redbird, 
and Torrington
445 PM MST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM MST
WEDNESDAY...

* WHAT...Northwest winds 35 to 45 mph with gusts up to 60 mph 
  possible.

* WHERE...East central Wyoming and the northern Nebraska 
  Panhandle including Lusk, Torrington, Scottsbluff, Alliance, 
  and Chadron.

* WHEN...8 AM until 11 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 5:13 PM MSTHigh Wind WarningCYSAlbany, Laramie, Platte3 hr
Dec 13, 2:57 PM MSTHigh Wind WatchCYSAlbany, Carbon, Goshen, Laramie, Platte13 hr

Nearby

High Wind Warnings in Wyoming, 2021Every high wind warning in 2021

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.