Alert archive / California / Wind Advisories in 2017

Wind Advisory 20, NWS Reno, NV

December 18, 20178 counties in California; Douglas County, Washoe County, Nevada

NWS Reno, NV issued this wind advisory at Dec 18, 2017, 2:32 PM PST for 8 counties in California; Douglas County, Washoe County, Nevada. It took effect at Dec 19, 2017, 10:00 AM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 18, 2017, 2:32 PM PST (22:32 UTC)
In effect from
Dec 19, 2017, 10:00 AM PST
Expired
Dec 20, 2017, 1:00 AM PST
In force
15 hr
Issued by
NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Modoc County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 78 km from the middle of the area, began a volume at 22:35 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

Reno, NV (KREV), launched 12:00Z, 10.5 hours before the alert went out and 187 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, Reno, NV at 12:00Z on 2017-12-18Temperature 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, Reno, NV at 12:00Z on 2017-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.193958Sfc1 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
1811 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

535 
WWUS75 KREV 182232
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
232 PM PST Mon Dec 18 2017

NVZ003-191200-
/O.UPG.KREV.HW.A.0009.171220T0300Z-171220T2000Z/
/O.NEW.KREV.HW.W.0010.171219T2100Z-171220T0900Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Gardnerville, and Virginia City
232 PM PST Mon Dec 18 2017

...HIGH WIND WARNING IN EFFECT FROM 1 PM TUESDAY TO 1 AM PST
WEDNESDAY...

The National Weather Service in Reno has issued a High Wind
Warning, which is in effect from 1 PM Tuesday to 1 AM PST
Wednesday. The High Wind Watch is no longer in effect. 

* Timing: Tuesday afternoon through early Wednesday morning. The
  strongest winds are expected Tuesday evening between 7 PM and
  midnight.

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys. Gusts
  up to 80 mph in wind prone areas. 

* Impacts: Some disruption to air travel and high profile
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time Secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

CAZ073-NVZ001-191200-
/O.UPG.KREV.HW.A.0009.171220T0300Z-171220T2000Z/
/O.NEW.KREV.HW.W.0010.171220T0300Z-171221T0000Z/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Bridgeport, Mammoth Lakes, Hawthorne, 
Yerington, and Smith Valley
232 PM PST Mon Dec 18 2017

...HIGH WIND WARNING IN EFFECT FROM 7 PM TUESDAY TO 4 PM PST
WEDNESDAY...

The National Weather Service in Reno has issued a High Wind
Warning, which is in effect from 7 PM Tuesday to 4 PM PST
Wednesday. The High Wind Watch is no longer in effect. 

* Timing: Tuesday night through Wednesday afternoon. The strongest
  winds are expected beginning midnight Tuesday night through 7 AM
  Wednesday morning. Winds will become north Wednesday afternoon
  as they diminish.

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys
  with gusts up to 80 mph in wind prone areas. Gusts of 125 mph
  along the Sierra Crest. 

* Impacts: Some disruption to air travel and high profile
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time Secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

CAZ070-071-NVZ005-191200-
/O.UPG.KREV.HW.A.0009.171220T0300Z-171220T2000Z/
/O.NEW.KREV.WI.Y.0020.171219T1800Z-171220T0600Z/
Surprise Valley California-Lassen-Eastern Plumas-
Eastern Sierra Counties-Northern Washoe County-
Including the cities of Cedarville, Fort Bidwell, Portola, 
Susanville, Empire, and Gerlach
232 PM PST Mon Dec 18 2017

...WIND ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY...

The National Weather Service in Reno has issued a Wind Advisory,
which is in effect from 10 AM to 10 PM PST Tuesday. The High Wind
Watch is no longer in effect. 

* Timing: Late Tuesday morning through Tuesday evening.

* Winds: Southwest winds with gusts 45 to 55 mph in the valleys.
  Localized gusts to 65 mph along the 395 corridor between Doyle 
  and Susanville. 

* Impacts: Some disruption to air travel and high profile
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

CAZ072-NVZ002-191200-
/O.UPG.KREV.HW.A.0009.171220T0300Z-171220T2000Z/
/O.NEW.KREV.WI.Y.0020.171219T2100Z-171220T0900Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline, 
and Incline Village
232 PM PST Mon Dec 18 2017

...WIND ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 1 AM PST
WEDNESDAY...

The National Weather Service in Reno has issued a Wind Advisory,
which is in effect from 1 PM Tuesday to 1 AM PST Wednesday. The
High Wind Watch is no longer in effect. 

* Timing: Tuesday night through Wednesday morning.

* Winds: Southwest winds with gusts 45 to 55 mph in the valleys
  and over Lake Tahoe. Gusts of 120 mph along the Sierra Crest.

* Wave heights over Lake Tahoe: 3 to 5 feet.

* Impacts: Some disruption to air travel and high profile
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

http://weather.gov/reno
3 follow-up statements
215 
WWUS75 KREV 191058
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
258 AM PST Tue Dec 19 2017

NVZ003-200000-
/O.CON.KREV.HW.W.0010.171219T2100Z-171220T0900Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Gardnerville, and Virginia City
258 AM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 1 AM PST WEDNESDAY...

* Timing: This afternoon through early Wednesday morning. The 
  strongest winds are expected Tuesday evening between 7 PM and 
  midnight. 

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys.
  Gusts up to 80 mph in wind prone areas. 

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time Secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ073-NVZ001-200000-
/O.CON.KREV.HW.W.0010.171220T0300Z-171221T0000Z/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Bridgeport, Mammoth Lakes, Hawthorne, 
Yerington, and Smith Valley
258 AM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
4 PM PST WEDNESDAY...

* Timing: Tonight through Wednesday afternoon. The strongest 
  winds are expected beginning midnight Tuesday night through 7 AM
  Wednesday morning. Winds will become north Wednesday afternoon 
  as they diminish. 

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys 
  with gusts up to 80 mph in wind prone areas. Gusts of 125 
  mph along the Sierra Crest.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time Secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ070-071-NVZ005-200000-
/O.CON.KREV.WI.Y.0020.171219T1800Z-171220T0600Z/
Surprise Valley California-Lassen-Eastern Plumas-
Eastern Sierra Counties-Northern Washoe County-
Including the cities of Cedarville, Fort Bidwell, Portola, 
Susanville, Empire, and Gerlach
258 AM PST Tue Dec 19 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM PST THIS EVENING...

* Timing: Late morning through this evening.

* Winds: Southwest winds with gusts 45 to 55 mph in the 
  valleys. Localized gusts to 65 mph along the 395 corridor 
  between Doyle and Susanville.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ072-NVZ002-200000-
/O.CON.KREV.WI.Y.0020.171219T2100Z-171220T0900Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline, 
and Incline Village
258 AM PST Tue Dec 19 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 AM PST WEDNESDAY...

* Timing: Tonight through Wednesday morning.

* Winds: Southwest winds with gusts 45 to 55 mph in the valleys 
  and over Lake Tahoe. Gusts of 120 mph along the Sierra Crest.

* Wave heights over Lake Tahoe: 3 to 5 feet.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

http://weather.gov/reno
918 
WWUS75 KREV 192149
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
149 PM PST Tue Dec 19 2017

NVZ003-200900-
/O.CON.KREV.HW.W.0010.000000T0000Z-171220T0900Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Gardnerville, and Virginia City
149 PM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 AM PST WEDNESDAY...

* Timing: Tonight through early Wednesday morning. The strongest 
  winds are expected this evening between 7 PM and midnight. 

* Winds: Southwest winds with gusts 50 to 60 mph in the 
  valleys. Gusts up to 80 mph in wind prone areas. 

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

CAZ073-NVZ001-201300-
/O.CON.KREV.HW.W.0010.171220T0300Z-171221T0000Z/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Bridgeport, Mammoth Lakes, Hawthorne, 
Yerington, and Smith Valley
149 PM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
4 PM PST WEDNESDAY...

* Timing: Tonight through Wednesday afternoon. The strongest winds
  are expected beginning midnight tonight through 7 AM Wednesday 
  morning. Winds will become north Wednesday afternoon as they 
  diminish. 

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys 
  with gusts up to 80 mph in wind prone areas. Gusts of 125 
  mph along the Sierra Crest.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio 
furniture, holiday decorations, and trash cans before winds 
increase which could blow these items away. The best thing to do 
is prepare ahead of time by making sure you have extra food and 
water on hand, flashlights with spare batteries and/or candles in 
the event of a power outage.

&&

$$

CAZ070-071-NVZ005-200600-
/O.CON.KREV.WI.Y.0020.000000T0000Z-171220T0600Z/
Surprise Valley California-Lassen-Eastern Plumas-
Eastern Sierra Counties-Northern Washoe County-
Including the cities of Cedarville, Fort Bidwell, Portola, 
Susanville, Empire, and Gerlach
149 PM PST Tue Dec 19 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* Timing: Through this evening.

* Winds: Southwest winds with gusts 45 to 55 mph in the 
  valleys. Localized gusts to 65 mph along the 395 corridor 
  between Doyle and Susanville.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ072-NVZ002-200900-
/O.CON.KREV.WI.Y.0020.000000T0000Z-171220T0900Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline, 
and Incline Village
149 PM PST Tue Dec 19 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST WEDNESDAY...

* Timing: Tonight through Wednesday morning.

* Winds: Southwest winds with gusts 45 to 55 mph in the valleys 
  and over Lake Tahoe. Gusts of 120 mph along the Sierra Crest.

* Wave heights over Lake Tahoe: 3 to 5 feet.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

http://weather.gov/reno
370 
WWUS75 KREV 200545
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
945 PM PST Tue Dec 19 2017

CAZ070-071-NVZ005-200645-
/O.EXP.KREV.WI.Y.0020.000000T0000Z-171220T0600Z/
Surprise Valley California-Lassen-Eastern Plumas-
Eastern Sierra Counties-Northern Washoe County-
Including the cities of Cedarville, Fort Bidwell, Portola, 
Susanville, Empire, and Gerlach
945 PM PST Tue Dec 19 2017

...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

The Wind Advisory will expire at 10 PM PST this evening. 

Winds will continue to blow for the next couple hours, but the
cold front is moving in with snow. The winds are also handled in
the winter weather advisory which begins at 10 pm. 

$$

NVZ003-200900-
/O.CON.KREV.HW.W.0010.000000T0000Z-171220T0900Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Gardnerville, and Virginia City
945 PM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 AM PST WEDNESDAY...

* Timing: Tonight through early Wednesday morning. The strongest 
  winds are expected this evening between 7 PM and midnight. 

* Winds: Southwest winds with gusts 50 to 60 mph in the 
  valleys. Gusts up to 80 mph in wind prone areas.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ073-NVZ001-201745-
/O.CON.KREV.HW.W.0010.000000T0000Z-171221T0000Z/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Bridgeport, Mammoth Lakes, Hawthorne, 
Yerington, and Smith Valley
945 PM PST Tue Dec 19 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY...

* Timing: Tonight through Wednesday afternoon. The strongest 
  winds are expected beginning midnight tonight through 7 AM 
  Wednesday morning. Winds will become north Wednesday afternoon 
  as they diminish. 

* Winds: Southwest winds with gusts 50 to 60 mph in the valleys 
  with gusts up to 80 mph in wind prone areas. Gusts of 125 
  mph along the Sierra Crest.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ072-NVZ002-200900-
/O.CON.KREV.WI.Y.0020.000000T0000Z-171220T0900Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline, 
and Incline Village
945 PM PST Tue Dec 19 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST WEDNESDAY...

* Timing: Tonight through Wednesday morning.

* Winds: Southwest winds with gusts 45 to 55 mph in the valleys 
  and over Lake Tahoe. Gusts of 120 mph along the Sierra Crest.

* Wave heights over Lake Tahoe: 3 to 5 feet.

* Impacts: Some disruption to air travel and high profile 
  vehicles should be expected. Damage to trees, fences and 
  other light infrastructure will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

http://weather.gov/reno

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 18, 3:35 AM PSTHigh Wind WatchREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more11 hr
Dec 18, 2:30 PM PSTWinter Weather AdvisoryREVAlpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more44 hr
Dec 18, 2:31 PM PSTRed Flag WarningREV44 hr
Dec 18, 2:32 PM PSTHigh Wind WarningREVMono44 hr

Nearby

Wind Advisories in California, 2017Wind Advisories in Nevada, 2017Every wind advisory in 2017

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.