A strong cold front and associated low pressure system brought locally high winds to parts of the Mojave Desert and southern Great Basin.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS VEF wrote it up.
A strong cold front and associated low pressure system brought locally high winds to parts of the Mojave Desert and southern Great Basin.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before the first event at Apr 18, 4:22 AM MST, 4 hours 51 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
422 AM PDT WED APR 18 2007
.SYNOPSIS...A STRONG COLD FRONT WILL SWEEP THROUGH THE SOUTHERN
GREAT BASIN AND MOJAVE DESERT TODAY USHERING IN MUCH COOLER
TEMPERATURES AND STRONG WINDS. THE REGION WILL BE BETWEEN STORMS
THURSDAY WITH THE NEXT SYSTEM SET TO BRING UNSETTLED WEATHER AND
COOLER TEMPERATURES FRIDAY. YET ANOTHER STORM IS FORECAST TO IMPACT
THE AREA SUNDAY AND MONDAY.
&&
.SHORT TERM...STRONG COLD FRONT RUNNING FROM BISHOP-ELY-WENDOVER
EARLY THIS MORNING WITH GUSTY NORTHWEST WINDS OCCURRING BEHIND THE
FRONTAL PASSAGE. MEANWHILE...STRONG SOUTHWEST WINDS PRECEDING THE
COLD FRONT CONTINUE ACROSS SOUTHERN NEVADA AND EASTERN CALIFORNIA.
JETSTREAK OVER SOUTHERN NEVADA WILL HELP ENHANCE WIND GUSTS ACROSS
SOUTHERN NEVADA AND NORTHWEST ARIZONA DURING THE NEXT 3-4 HOURS.
ONLY SIGNIFICANT CHANGE TO HEADLINES WAS TO CANCEL HIGH WIND WARNING
FOR CA ZONES 519 AND 520. WILL REPLACE WARNING WITH AN ADVISORY AS
EXPECT PERIOD OF GUSTY NORTHWEST WINDS FOLLOWING COLD FRONT. AS
STATED REST OF ADVISORIES LEFT ALONE. ISOLATED SHOWERS POSSIBLE
ACROSS NORTHERN LINCOLN COUNTY ALONG COLD FRONT THIS MORNING WITH
MORE SHOWERS DEVELOPING IN THE AFTERNOON AS COLD POOL ALOFT UNDER
TROUGH MOVES ACROSS EAST CENTRAL NEVADA. SYSTEM PULLS EAST TONIGHT
LEAVING AREA UNDER ZONAL FLOW AS NEXT TROUGH APPROACHES THE NORTHERN
CALIFORNIA EARLY FRIDAY. TROUGH CONTINUES INLAND FRIDAY WITH SHOWERS
SPREADING EAST THROUGHOUT THE DAY. SHOWERS WILL END WITH SKIES
CLEARING ACROSS FAR WESTERN ZONES FRIDAY NIGHT AS TROUGH PROGRESSES
EAST INTO ARIZONA.
.LONG TERM....LONG TERM...AN ACTIVE PATTERN IS EXPECTED TO CONTINUE
THROUGHOUT THE FORECAST PERIOD. 00Z MODELS IN GOOD AGREEMENT OVERALL
AS THE NEXT PACIFIC SYSTEM BEGINS TO AFFECT THE CWA ON FRIDAY
MORNING...WITH THE H500 LOW CENTER LOCATED JUST OFFSHORE CENTRAL
CALIFORNIA. THE SYSTEM WILL THEN QUICKLY SLIDE SOUTHEAST...WITH THE
LOW CENTER QUICKLY PASSING OVER SOUTHERN NEVADA ON FRIDAY NIGHT.
HAVE KEPT IN CHANCE POPS FOR MOST OF THE CWA DURING THIS STORM WITH
GOOD MOISTURE AND DYNAMICS BULLSEYED RIGHT ACROSS THE CWA. STRONG
WINDS OUT OF THE SOUTHWEST CAN BE EXPECTED AS THE SYSTEM APPROACHES
ON FRIDAY AFTERNOON. WEAK RIDGING IN BETWEEN SYSTEMS WILL HELP LIMIT
CLOUD COVER ON SATURDAY AND EARLY SUNDAY UNTIL A TRAILING SYSTEM
MOVES OVER THE AREA SUNDAY AFTERNOON. RIGHT NOW THIS SYSTEM APPEARS
TO HOLD A LITTLE MORE MOISTURE WITH PW VALUES CLOSE TO 0.7 INCHES
PROGGED ACROSS THE CWA. THINGS WILL THEN CLEAR UP AGAIN LATE MONDAY
AS RIDGING BUILDS IN OVER THE AREA.
&&
.FIRE WEATHER...GUSTY SOUTHWEST WINDS WILL OCCUR ACROSS NORTHWEST
ARIZONA TODAY. RELATIVE HUMIDITIES WILL DROP OR LOWER TO BELOW THE
CRITICAL 15 PERCENT VALUE WITH HIGH FIRE DANGER ACROSS NORTHWEST
ARIZONA. A RED FLAG WARNING WILL BE ISSUED FROM 9 AM UNTIL 7 PM MST
FOR ARIZONA ZONE 102. LAND MANAGEMENT AGENCIES SHOULD CLOSELY
MONITOR THE SITUATION AS ERRATIC FIRE BEHAVIOR WILL LIKELY OCCUR ON
ANY FIRE STARTS.
&&
.AVIATION...FOR KLAS: GUSTY SOUTHWEST WINDS EXPECTED TO CONTINUE
THROUGHOUT THE REST OF THE MORNING WITH GUSTS AS HIGH AS 35-40KTS.
WINDS WILL VEER TO THE NORTHWEST DURING THE AFTERNOON WITH GUSTS UP
TO 30KTS UNTIL 01Z. CLOUDS WILL MAINLY BE LIMITED TO JET STREAK
CIRRUS DURING THE MORNING.
THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA: GUSTY WEST/SOUTHWEST WINDS EXPECTED TO PERSIST TODAY AT
KVGT...KDAG...AND KDRA...WITH GUSTS UP TO 40 KTS POSSIBLE. WINDS
WILL BECOME NORTHWEST BY TOMORROW EVENING. KBIH WILL HAVE PERSISTENT
NW WINDS GUSTING TO 25 KTS...AND KEED WILL HAVE WEST/NORTHWEST WINDS
GUSTING TO 25-30 KTS. SKIES WILL HAVE LIMITED CLOUD COVERAGE OVER
THE NEXT 24HRS.
&&
.VEF WATCHES/WARNINGS/ADVISORIES...
.NV...WIND ADVISORY THROUGH 11 AM ZONES 14...17-22.
.AZ...WIND ADVISORY THROUGH 11 AM ZONE 36.
WIND ADVISORY FROM 9 AM THROUGH 7 PM ZONES 1 AND 3.
.CA...WIND ADVISORY UNTIL 11 AM ZONES 519-522.
WIND ADVISORY UNTIL 5 PM WEDNESDAY ZONES 523-526.
&&
PIERCE/KENNEDY
HTTP://WEATHER.GOV/LASVEGASPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
644 AM PDT WED APR 18 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 AM NON-TSTM WND GST 6 SSE HAYFORD PK 36.58N 115.14W
04/18/2007 M57 MPH CLARK NV OTHER FEDERAL
DESERT NWR RAWS
&&
BPIERCEThe national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
A gust to 62 mph was measured by the Tweeds Point RAWS (24 miles SSE of Littlefield, AZ).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2007Every state in 2007This day in weather historyWarnings in Arizona, April 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 18129.