Alert archive / California / Winter Storm Warnings in 2012
Winter Storm Warning 9, NWS Las Vegas, NV
NWS Las Vegas, NV issued this winter storm warning at Dec 22, 2012, 9:39 PM PST for Inyo County, California. It took effect at Dec 23, 2012, 10:00 AM PST. It was in force for 11 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
- Dec 22, 2012, 9:39 PM PST (05:39 UTC)
- In effect from
- Dec 23, 2012, 10:00 AM PST
- Expired
- Dec 23, 2012, 9:19 PM PST
- In force
- 11 hr
- Issued by
- NWS Las Vegas, NV
County Inyo County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 23, 8:43 PM PST | SNOW 4 | 1 Wnw Aspendell, CA | ESTIMATED THAT 3.5 INCHES OF SNOW HAS FALLEN AT THE 8400 FOOT LEVEL SINCE 330 PM PST. TOTAL SNOW FOR THE DAY IS ESTIMATED TO BE 4 INCHES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 5.7 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2648 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 297 m²/s²
- 0-3 km storm-relative helicity
- 360 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
417 WWUS45 KVEF 230539 WSWVEF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 939 PM PST SAT DEC 22 2012 ...A SECOND IN A SERIES OF STORMS WILL MOVE INTO THE SOUTHERN SIERRA EARLY SUNDAY RESULTING IN LOCALLY HEAVY SNOW OVER THE EASTERN SIERRA SLOPES SUNDAY AFTERNOON AND NIGHT... .THE SECOND STORM IN A SERIES WILL BEGIN TO MOVE INTO THE SOUTHERN SIERRA EARLY SUNDAY BEFORE CROSSING OVER THE AREA SUNDAY AFTERNOON AND NIGHT. LOCALLY HEAVY SNOWFALL AND GUSTY WINDS WILL LIKELY ACCOMPANY THIS STORM AS IT MOVES ACROSS THE AREA. THE STORM IS EXPECTED TO EXIT THE REGION BY LATE SUNDAY NIGHT INTO EARLY MONDAY. CAZ519-231400- /O.CAN.KVEF.WW.Y.0015.000000T0000Z-121223T0800Z/ /O.NEW.KVEF.WS.W.0009.121223T1800Z-121224T1200Z/ EASTERN SIERRA SLOPES- INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL 939 PM PST SAT DEC 22 2012 ...WINTER STORM WARNING IN EFFECT FROM 10 AM SUNDAY TO 4 AM PST MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...AND GUSTY WINDS...WHICH IS IN EFFECT FROM 10 AM SUNDAY TO 4 AM PST MONDAY FOR THE EASTERN SIERRA SLOPES. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. * TIMING: SNOW HAS TAPERED OFF THIS EVENING...BUT WILL INCREASE AGAIN EARLY SUNDAY MORNING. OCCASIONAL HEAVY SNOW IS THEN EXPECTED SUNDAY AFTERNOON THROUGH EARLY SUNDAY NIGHT BEFORE TAPERING OFF ONCE AGAIN LATE SUNDAY NIGHT/EARLY MONDAY MORNING. * SNOW LEVEL: AROUND 5000 FEET. * TOTAL SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 7000 FEET...WITH 18 INCHES OR MORE POSSIBLE ABOVE 9500 FEET. * WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH OVER THE RIDGETOPS. * IMPACTS: TRAVEL WILL BECOME VERY DIFFICULT DUE TO SNOW AND BLOWING SNOW. TRAVELERS ALONG 168 SHOULD BE AWARE OF THESE POTENTIALLY DANGEROUS CONDITIONS AS WELL AS RESIDENCES IN ASPENDELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY SINCE SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
4 follow-up statements
612 WWUS45 KVEF 231343 WSWVEF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 543 AM PST SUN DEC 23 2012 ...HEAVY SNOW ALONG THE EASTERN SIERRA SLOPES OF INYO COUNTY THIS AFTERNOON AND EVENING... .THE SECOND STORM IN A SERIES OF STORMS WILL MOVE INTO THE SOUTHERN SIERRA LATE THIS MORNING BEFORE CROSSING OVER THE AREA SUNDAY EVENING. HEAVY SNOW AND GUSTY WINDS WILL LIKELY ACCOMPANY THIS STORM AS IT MOVES ACROSS THE AREA. THE STORM IS EXPECTED TO EXIT THE REGION BY EARLY MONDAY. CAZ519-232200- /O.CON.KVEF.WS.W.0009.121223T1800Z-121224T1200Z/ EASTERN SIERRA SLOPES- INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL 543 AM PST SUN DEC 23 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM PST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM PST MONDAY FOR THE EASTERN SIERRA SLOPES OF INYO COUNTY. * TIMING: LIGHT SNOW WILL DEVELOP THIS MORNING...BE HEAVY AT TIMES FROM LATE MORNING THROUGH THIS EVENING..BEFORE TAPERING OFF ONCE AGAIN EARLY MONDAY MORNING. * SNOW LEVEL: AROUND 5000 FEET. * TOTAL SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 7000 FEET... WITH 18 INCHES OR MORE POSSIBLE ABOVE 9500 FEET. * WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH OVER THE RIDGETOPS. * IMPACTS: TRAVEL WILL BECOME VERY DIFFICULT DUE TO SNOW AND BLOWING SNOW. TRAVELERS ALONG 168 SHOULD BE AWARE OF THESE POTENTIALLY DANGEROUS CONDITIONS AS WELL AS RESIDENCES IN ASPENDELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY SINCE SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ PIERCE
922 WWUS45 KVEF 231802 WSWVEF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1002 AM PST SUN DEC 23 2012 ...HEAVY SNOW ALONG THE EASTERN SIERRA SLOPES OF INYO COUNTY THIS AFTERNOON AND EVENING... .THE SECOND STORM IN A SERIES OF STORMS WILL CROSS OVER THE SIERRA THIS EVENING. HEAVY SNOW AND GUSTY WINDS WILL ACCOMPANY THIS STORM BEFORE IT EXITS THE REGION BY EARLY MONDAY. CAZ519-240000- /O.CON.KVEF.WS.W.0009.000000T0000Z-121224T1200Z/ EASTERN SIERRA SLOPES- INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL 1002 AM PST SUN DEC 23 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EASTERN SIERRA SLOPES OF INYO COUNTY. * TIMING: SNOW WILL BE HEAVY AT TIMES THROUGH THIS EVENING..BEFORE TAPERING OFF EARLY MONDAY MORNING. * SNOW LEVEL: AROUND 5000 FEET. * TOTAL SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 7000 FEET... WITH 18 INCHES OR MORE POSSIBLE ABOVE 9500 FEET. * WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH OVER THE RIDGE TOPS. * IMPACTS: SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS ALONG STATE ROUTE 168 BETWEEN BISHOP AND ASPENDELL SHOULD BE AWARE OF THESE POTENTIALLY DANGEROUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ JA
969 WWUS45 KVEF 232347 WSWVEF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 347 PM PST SUN DEC 23 2012 ...HEAVY SNOW ALONG THE EASTERN SIERRA SLOPES OF INYO COUNTY THROUGH EARLY MONDAY MORNING... .THE SECOND STORM IN A SERIES OF STORMS WILL CROSS OVER THE SIERRA THIS EVENING. HEAVY SNOW AND GUSTY WINDS WILL ACCOMPANY THIS STORM BEFORE IT EXITS THE REGION BY EARLY MONDAY. CAZ519-240630- /O.CON.KVEF.WS.W.0009.000000T0000Z-121224T1200Z/ EASTERN SIERRA SLOPES- INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL 347 PM PST SUN DEC 23 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EAST SLOPES OF THE SOUTHERN SIERRA. * TIMING: SNOWFALL IS EXPECTED TO INCREASE IN INTENSITY DURING THE EARLY EVENING THEN CONTINUE PAST MIDNIGHT BEFORE TAPERING OFF EARLY MONDAY MORNING. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED. * SNOW LEVEL: AROUND 5000 FEET. * TOTAL SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 7000 FEET... WITH 18 INCHES OR MORE POSSIBLE ABOVE 9500 FEET. * WINDS: SOUTHWEST 30 TO 40 MPH WITH GUSTS TO 60 MPH OVER THE RIDGE TOPS. * IMPACTS: SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS ALONG STATE ROUTE 168 BETWEEN BISHOP AND ASPENDELL SHOULD BE AWARE OF THESE POTENTIALLY DANGEROUS CONDITIONS OVERNIGHT. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ JA
873 WWUS45 KVEF 240519 WSWVEF URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 919 PM PST SUN DEC 23 2012 CAZ519-240630- /O.CAN.KVEF.WS.W.0009.000000T0000Z-121224T1200Z/ EASTERN SIERRA SLOPES- INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL 919 PM PST SUN DEC 23 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WINTER STORM WARNING FOR THE EASTERN SIERRA SLOPES. THE PACIFIC STORM WHICH MOVED INTO THE AREA THIS AFTERNOON WILL CONTINUE TO BRING LIGHT SNOW TO THE AREA THROUGH MUCH OF THE NIGHT BUT ADDITIONAL HEAVY ACCUMULATIONS ARE NO LONGER EXPECTED. THUS THE WINTER STORM WARNING HAS BEEN CANCELLED. HOWEVER...TRAVELERS IN THE EASTERN SIERRA...ESPECIALLY OVER HIGHWAY 168...ARE URGED TO USE CAUTION AS A SLICK AND OR SNOW COVERED ROAD WILL LIKELY BE SEEN THROUGH THE NIGHT. $$
Nearby
Winter Storm Warnings in California, 2012Every winter storm warning in 2012
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.