Alert archive / Arizona / Wind Advisories in 2012
Wind Advisory 7, NWS Las Vegas, NV
NWS Las Vegas, NV issued this wind advisory at Feb 16, 2012, 3:25 AM MST for Mohave County, Arizona; San Bernardino County, California. It took effect at Feb 16, 2012, 10:00 AM MST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 16, 2012, 3:25 AM MST (10:25 UTC)
- In effect from
- Feb 16, 2012, 10:00 AM MST
- Expired
- Feb 16, 2012, 4:19 PM MST
- In force
- 6 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, San Bernardino County, CA
The radar
The Las Vegas radar (KESX), 48 km from the middle of the area, began a volume at 10:29 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, 10.4 hours before the alert went out and 133 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
- 1422 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
402 WWUS75 KVEF 161025 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 225 AM PST THU FEB 16 2012 ...GUSTY NORTH WINDS WILL INCREASE THIS MORNING DOWN THE COLORADO RIVER VALLEY...PARTICULARLY SOUTH OF THE HOOVER DAM... AZZ002-036-CAZ527-NVZ021-161900- /O.NEW.KVEF.WI.Y.0007.120216T1700Z-120217T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN 225 AM PST THU FEB 16 2012 /325 AM MST THU FEB 16 2012/ ...WIND ADVISORY IN EFFECT FROM 9 AM PST /10 AM MST/ THIS MORNING TO 6 PM PST /7 PM MST/ THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND ADVISORY FOR THE LAKE MEAD NATIONAL RECREATION AREA AS WELL AS THE UPPER COLORADO RIVER VALLEY...WHICH IS IN EFFECT FROM 9 AM PST /10 AM MST/ THIS MORNING TO 6 PM PST /7 PM MST/ THIS EVENING. * WINDS: NORTH WINDS AT 20 TO 30 MPH WITH GUSTS TO 45 MPH. ISOLATED STRONGER GUSTS ARE POSSIBLE IN CHANNELED AREAS AND OVER THE OPEN WATERS. * TIMING: WINDS WILL INCREASE DURING THE MID MORNING HOURS...PEAK IN THE AFTERNOON BEFORE DECREASING IN THE EARLY EVENING. * LOCATIONS: LAKE MEAD...LAKE MOHAVE AND THE COLORADO RIVER NEAR LAUGHLIN...BULLHEAD CITY AND NEEDLES. * IMPACTS: BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. && $$
2 follow-up statements
039 WWUS75 KVEF 161840 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1040 AM PST THU FEB 16 2012 ...GUSTY NORTH WINDS WILL CONTINUE THROUGH THE LATE AFTERNOON ALONG THE COLORADO RIVER VALLEY...PARTICULARLY AREAS SOUTH OF THE HOOVER DAM... AZZ002-036-CAZ527-NVZ021-170200- /O.CON.KVEF.WI.Y.0007.000000T0000Z-120217T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK... BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN 1040 AM PST THU FEB 16 2012 /1140 AM MST THU FEB 16 2012/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING... A WIND ADVISORY FOR THE LAKE MEAD NATIONAL RECREATION AREA AND THE UPPER COLORADO RIVER VALLEY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING. * WINDS: NORTH WINDS AT 20 TO 30 MPH WITH GUSTS TO 45 MPH. ISOLATED STRONGER GUSTS ARE POSSIBLE IN CHANNELED AREAS AND OVER THE OPEN WATERS. * TIMING: WINDS WILL PEAK THIS AFTERNOON BEFORE DECREASING IN THE EARLY EVENING. * LOCATIONS: LAKE MEAD...LAKE MOHAVE AND THE COLORADO RIVER NEAR LAUGHLIN...BULLHEAD CITY AND NEEDLES. * IMPACTS: BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE OPEN WATERS AND STAY CLOSE TO SHORE OR IN PROTECTED AREAS. DRIVERS ARE LIKELY TO ENCOUNTER STRONG CROSSWINDS ALONG HIGHWAY 163 WEST OF LAUGHLIN...HIGHWAY 68 EAST OF LAUGHLIN AND ALONG INTERSTATE 40. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. STRONG CROSSWINDS IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION. && $$
272 WWUS75 KVEF 162319 NPWVEF URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 319 PM PST THU FEB 16 2012 AZZ002-036-CAZ527-NVZ021-170030- /O.CAN.KVEF.WI.Y.0007.000000T0000Z-120217T0200Z/ LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA- SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY- 319 PM PST THU FEB 16 2012 /419 PM MST THU FEB 16 2012/ ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WIND ADVISORY FOR THE LAKE MEAD NATIONAL AREA AND UPPER COLORADO RIVER VALLEY. GUSTY NORTH WINDS WILL CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON WITH SUSTAINED WINDS UP TO 25 MPH AND GUSTS UP TO 35 MPH. WIDESPREAD ADVISORY LEVEL WINDS HAVE NOT DEVELOPED AND ARE NO LONGER EXPECTED. BOATERS SHOULD CONTINUE TO USE CAUTION ON AREA LAKES ESPECIALLY OVER OPEN WATERS WHERE WINDS WILL BE THE STRONGEST. $$ JS
Nearby
Wind Advisories in Arizona, 2012Wind Advisories in California, 2012Wind Advisories in Nevada, 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.