Alert archive / Arizona / Wind Advisories in 2012
Wind Advisory 50, NWS Las Vegas, NV
NWS Las Vegas, NV issued this wind advisory at Dec 8, 2012, 4:23 AM MST for Mohave County, Arizona; Clark County, Nevada; San Bernardino County, California. It took effect at Dec 9, 2012, 1:00 PM MST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 8, 2012, 4:23 AM MST (11:23 UTC)
- In effect from
- Dec 9, 2012, 1:00 PM MST
- Expired
- Dec 9, 2012, 7:00 PM MST
- In force
- 6 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV
The radar
The Las Vegas radar (KESX), 15 km from the middle of the area, began a volume at 11:25 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
Las Vegas, NV (KVEF), launched 00:00Z, 11.4 hours before the alert went out and 101 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
- 3289 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
639 WWUS75 KVEF 081123 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 323 AM PST SAT DEC 8 2012 .NORTH WINDS WILL DEVELOP OVER SOUTHERN NEVADA AND SURROUNDING AREAS EARLY SUNDAY AS A COLD FRONT SWEEPS ACROSS THE REGION. THE STRONGEST WINDS ARE EXPECTED DOWN THE COLORADO RIVER VALLEY AND SOUTHERN CLARK COUNTY. AZZ002-036-CAZ527-NVZ021-022-081900- /O.NEW.KVEF.WI.Y.0050.121209T1600Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 323 AM PST SAT DEC 8 2012 /423 AM MST SAT DEC 8 2012/ ...WIND ADVISORY IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND ADVISORY FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU...WHICH IS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY. * WINDS: NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING: WINDS WILL DEVELOP EARLY SUNDAY MORNING THEN BECOME STRONG AFTER SUNRISE AND PERSIST THROUGH LATE AFTERNOON. SPEEDS WILL DECREASE SUNDAY EVENING BUT WILL REMAIN BRISK SUNDAY NIGHT. * LOCATIONS: LAKE MEAD...LAKE MOHAVE...LAUGHLIN...BULLHEAD CITY... FORT MOHAVE...NEEDLES...LAKE HAVASU...SEARCHLIGHT...I-40 NEAR NEEDLES * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. ALSO...CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PERSONAL SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. DRIVERS OF MOTORCYCLES...VANS... CAMPERS...TRAILERS...AND ANY HIGH-PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY WHEN DRIVING ALONG EAST-WEST ROADS. && $$ JA
5 follow-up statements
918 WWUS75 KVEF 081839 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1039 AM PST SAT DEC 8 2012 .GUSTY NORTHERLY WINDS WILL DEVELOP BEHIND A COLD FRONT SUNDAY. THE STRONGEST WINDS ARE EXPECTED DOWN THE COLORADO RIVER VALLEY AND ACROSS SOUTHERN CLARK COUNTY. AZZ002-036-CAZ527-NVZ021-022-090600- /O.CON.KVEF.WI.Y.0050.121209T1600Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 1039 AM PST SAT DEC 8 2012 /1139 AM MST SAT DEC 8 2012/ ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY... A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU. * WINDS: NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING: WINDS WILL DEVELOP EARLY SUNDAY MORNING THEN BECOME STRONG AFTER SUNRISE AND PERSIST THROUGH LATE AFTERNOON. SPEEDS WILL DECREASE SUNDAY EVENING BUT WILL REMAIN BRISK SUNDAY NIGHT. * LOCATIONS: LAKE MEAD...LAKE MOHAVE...LAUGHLIN...BULLHEAD CITY... FORT MOHAVE...NEEDLES...LAKE HAVASU...SEARCHLIGHT... I-40 NEAR NEEDLES. * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. ALSO...CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PERSONAL SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. DRIVERS OF MOTORCYCLES...VANS... CAMPERS...TRAILERS...AND ANY HIGH-PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY WHEN DRIVING ALONG EAST- WEST ROADS. && $$
144 WWUS75 KVEF 090546 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 946 PM PST SAT DEC 8 2012 .GUSTY NORTHERLY WINDS WILL DEVELOP BEHIND A COLD FRONT SUNDAY. THE STRONGEST WINDS ARE EXPECTED DOWN THE COLORADO RIVER VALLEY AND ACROSS SOUTHERN CLARK COUNTY. AZZ002-036-CAZ527-NVZ021-022-091600- /O.CON.KVEF.WI.Y.0050.121209T1600Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 946 PM PST SAT DEC 8 2012 /1046 PM MST SAT DEC 8 2012/ ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY... A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SUNDAY FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU. * WINDS: NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING: WINDS WILL DEVELOP SUNDAY MORNING THEN BECOME STRONG BY LATE MORNING AND PERSIST THROUGH LATE AFTERNOON. SPEEDS WILL DECREASE SUNDAY EVENING BUT WILL REMAIN BRISK SUNDAY NIGHT. * LOCATIONS: LAKE MEAD...LAKE MOHAVE...LAUGHLIN...BULLHEAD CITY... FORT MOHAVE...NEEDLES...LAKE HAVASU...SEARCHLIGHT... I-40 NEAR NEEDLES. * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. ALSO...CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PERSONAL SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. DRIVERS OF MOTORCYCLES...VANS... CAMPERS...TRAILERS...AND ANY HIGH-PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY WHEN DRIVING ALONG EAST- WEST ROADS. && $$ PIERCE
881 WWUS75 KVEF 091125 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 325 AM PST SUN DEC 9 2012 .GUSTY NORTHERLY WINDS WILL DEVELOP TODAY BEHIND A PASSING COLD FRONT. THE STRONGEST WINDS ARE NOW EXPECTED PRIMARILY EARLY THIS AFTERNOON THROUGH EARLY EVENING DOWN THE COLORADO RIVER VALLEY AND ACROSS SOUTHERN CLARK COUNTY. AZZ002-036-CAZ527-NVZ021-022-092030- /O.EXT.KVEF.WI.Y.0050.121209T2000Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 325 AM PST SUN DEC 9 2012 /425 AM MST SUN DEC 9 2012/ ...WIND ADVISORY NOW IN EFFECT FROM NOON PST /1 PM MST/ TODAY TO 6 PM PST /7 PM MST/ THIS EVENING... THE WIND ADVISORY IS NOW IN EFFECT FROM NOON PST /1 PM MST/ TODAY TO 6 PM PST /7 PM MST/ THIS EVENING FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU. * WINDS: NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING: STRONG NORTH WINDS WILL BE A LITTLE SLOW TO DEVELOP THIS MORNING AND GUSTS OVER 40 MPH ARE NOW EXPECTED TO OCCUR PRIMARILY FROM EARLY AFTERNOON THROUGH EARLY THIS EVENING. * LOCATIONS: NEEDLES...PRIMM...SEARCHLIGHT...CAL-NEV-ARI... HOOVER DAM...LAUGHLIN...BULLHEAD CITY...MOHAVE VALLEY... LAKE HAVASU...DESERT HILLS...TOPOCK * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. ALSO...CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PERSONAL SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. DRIVERS OF MOTORCYCLES...VANS... CAMPERS...TRAILERS...AND ANY HIGH-PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY WHEN DRIVING ALONG EAST- WEST ROADS. && $$ JA
128 WWUS75 KVEF 091959 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1159 AM PST SUN DEC 9 2012 .GUSTY NORTHERLY WINDS CAN BE EXPECTED TODAY BEHIND A PASSING COLD FRONT. THE STRONGEST WINDS ARE EXPECTED EARLY THIS AFTERNOON THROUGH EARLY EVENING DOWN THE COLORADO RIVER VALLEY AND ACROSS SOUTHERN CLARK COUNTY. AZZ002-036-CAZ527-NVZ021-022-100200- /O.CON.KVEF.WI.Y.0050.121209T2000Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 1159 AM PST SUN DEC 9 2012 /1259 PM MST SUN DEC 9 2012/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU. * WINDS: NORTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING: THIS AFTERNOON THROUGH EARLY THIS EVENING. * LOCATIONS: NEEDLES...PRIMM...SEARCHLIGHT...CAL-NEV-ARI... HOOVER DAM...LAUGHLIN...BULLHEAD CITY...MOHAVE VALLEY... LAKE HAVASU...DESERT HILLS...TOPOCK * IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH COULD CAPSIZE OR SWAMP SMALL CRAFT. ALSO...CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PERSONAL SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS. DRIVERS OF MOTORCYCLES...VANS... CAMPERS...TRAILERS...AND ANY HIGH-PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY WHEN DRIVING ALONG EAST- WEST ROADS. && $$
805 WWUS75 KVEF 100147 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 547 PM PST SUN DEC 9 2012 AZZ002-036-CAZ527-NVZ021-022-100300- /O.EXP.KVEF.WI.Y.0050.000000T0000Z-121210T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- SOUTHERN CLARK COUNTY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN... PRIMM...SEARCHLIGHT...CAL-NEV-ARI 547 PM PST SUN DEC 9 2012 /647 PM MST SUN DEC 9 2012/ ...WIND ADVISORY WILL EXPIRE AT 6 PM PST /7 PM MST/ THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 6 PM PST /7 PM MST/ THIS EVENING FOR SOUTHERN CLARK COUNTY AND THE COLORADO RIVER VALLEY FROM LAKE MEAD TO LAKE HAVASU. NORTH WINDS WITHIN THE COLORADO RIVER VALLEY AND SOUTHERN CLARK COUNTY HAVE STARTED TO WEAKEN. THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AS SCHEDULED. PEAK WIND GUST OF THE DAY WAS 44 MPH AT THE LAUGHLIN/BULLHEAD CITY INTERNATIONAL AIRPORT. $$ PIERCE
Nearby
Wind Advisories in Arizona, 2012Wind Advisories in Nevada, 2012Wind Advisories in California, 2012Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.