1 heavy snow, as filed by the National Weather Service.
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 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 1, 7:00 PM PST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 700 PM PST THU APR 1 2004 SYNOPSIS...A STRONG LOW PRESSURE SYSTEM MOVING SOUTH OVER WESTERN NEVADA TONIGHT WILL STALL OVER SOUTHERN CALIFORNIA FRIDAY AND INTO SATURDAY. THIS WILL RESULT IN MUCH COOLER TEMPERATURES...CLOUDS AND A CHANCE OF SHOWERS OR THUNDERSTORMS OVER THE SOUTHERN GREAT BASIN AND MOJAVE DESERT INTO THE WEEKEND. && .UPDATE...STRONG UPPER LOW LOCATED NORTHWEST OF BARSTOW CALIFORNIA PRESENTLY. STRONG DYNAMICS ALONG EASTERN SIDE OF LOW PRODUCING TWO DISTINCT LINES OF SHOWERS AND THUNDERSTORMS. FIRST LINE EXTENDS FROM EASTERN SAN BERNARDINO NORTHWARD INTO SOUTHERN NEVADA. SECOND LINE BEGINNING TO DEVELOP OVER CENTRAL AND NORTHERN MOHAVE COUNTIES IN ARIZONA. 00Z ETA JUST BEGINNING TO ARRIVE. ETA DIGS UPPER LOW SOUTH AND THEN SOUTHEAST TOWARD YUMA BY TOMORROW AFTERNOON. EASTERN HALF OF FORECAST AREA REMAINS UNDER STRONG DYNAMICS THE REST OF TONIGHT AND THROUGH FRIDAY. UPDATED ZONES TIME STAMPED 640 PM CONCENTRATED ON INCREASING RAINFALL CHANCES AND CLOUDS TONIGHT AND FRIDAY. WILL CONTINUE TO ANALYSIS INCOMING DATA FOR POTENTIAL UPDATES LATER. && .PREV DISCUSSION...300 PM PST....TWO CLOSED LOWS CONTINUING TO EFFECT THE CWA THIS AFTERNOON. THE FIRST IS CIRCULATION OVER CENTRAL BAJA WHICH HAS BROUGHT SOME MOISTURE UP AND OVER THE EASTERN PORTION OF THE CWA. THIS SYSTEM IS FORECAST TO SLOWLY SHIFT EAST AND FOR THE MOST PART BECOME ABSORBED BY THE MAIN LOW CURRENTLY MOVING SOUTH ALONG THE CALIFORNIA/NEVADA BORDER. CURRENT WATER VAPOR SHOWING POSSIBLE CIRCULATION OVER THE SOUTHCENTRAL SIERRA AND IS VERY CLOSE TO THE 18Z GFS DEPICTION FOR 00Z FRIDAY. INSTABILITY THIS AFTERNOON HAS PRODUCED A COUPLE OF TSTORMS...BUT OVERALL LOWER LEVELS REMAIN DRY AND DO NOT ANTICIPATE MUCH FOR THIS EVENING...BUT AIRMASS SHOULD MOISTEN AND DESTABILIZE OVERNIGHT. MAIN CONCERN HAS BEEN WINDS AND BEGINNING OF COOLING. WINDS GENERALLY STAYING BELOW ADVISORY LEVELS WITH 20-30 MPH GUSTS TO NEAR 40 MPH BEING REPORTED MOST AREAS. EXPECT WINDS TO DECREASE OVERNIGHT AS LOW SHIFTS OVER SOUTHERN CALIFORNIA BY 12Z FRIDAY. COLD AIR ADVECTION HAS DROPPED CENTRAL NEVADA HIGHS TODAY BY AS MUCH AS 30 DEGREES WHILE 5-10 DEG DROP OVER THE SOUTHERN PORTION OF THE CWA. CONTINUED COOLING...8-12 DEGREES... ON FRIDAY ESPECIALLY SOUTHERN PORTION OF CWA WITH AN ADDITIONAL DEGREE OR TWO ON SATURDAY. WITH LOW OVER SOUTHERN CALIFORNIA INTO SATURDAY...WILL BROADBRUSH CHANCE POPS ACROSS MUCH OF THE CWA... STARTING LATE TONIGHT AND INTO SATURDAY. HOWEVER EASTERLY FLOW AROUND THE NORTHERN PORTION OF THE LOW TO PUSH LIKELY POPS OVER THE SOUTHERN NEVADA MOUNTAINS. IN ADDITION STABILITY DECREASES WITH COLD AIR ALOFT...THUS WILL INCREASE AREAL MENTION OF AFTERNOON THUNDERSTORMS FRIDAY AND SATURDAY ALSO. BY SUNDAY...LOW SHOULD BEGIN TO SHIFT TO THE EAST WITH THE CWA COMING INTO A DRIER NORTH/ NORTHEAST FLOW LATE SUNDAY INTO MONDAY MORNING. WILL SHOW A DRYING TREND FROM THE WEST AT THAT POINT. LESS CLOUDS/SHOWERS ON SUNDAY SHOULD ALLOW TEMPS TO REBOUND A FEW DEGREES...BUT MAY NEED TO ADJUST LATER ON IF LOW BEGINS TO EJECT FASTER THAN CURRENT THINKING. && .LONG TERM...THE UPPER LOW IS PROGGED TO CONTINUE ROLLING EASTWARD MONDAY AND IS THEN CENTERED OVER NORTHERN ARIZONA/NEW MEXICO BY MON AFTERNOON. HIGH PRESSURE WORKING INTO THE AREA BEHIND THE SYSTEM SHOULD END MOST SHOWER ACTIVITY ACROSS THE REGION WITH TEMPERATURES REBOUNDING BACK TO NEAR NORMAL. A WEAK SHORTWAVE IS FORECAST TO MOVE ONTO THE WEST COAST TUESDAY MORNING AND ACROSS NORTHERN NEVADA DURING THE DAY. AN INSTABILITY SHOWER MAY BE POSSIBLE TUESDAY AFT ACROSS THE SOUTHCENTRAL NEVADA MOUNTAINS AS THIS SYSTEM MOVES THROUGH. ATTM...MODELS THEN MOVE THIS WEAKNESS SOUTH AND EAST INTO UTAH WEDNESDAY AND NEW MEXICO THURSDAY. LITTLE EFFECT EXPECTED FROM THIS SYSTEM ATTM EXCEPT IT WILL KEEP A NORTHERLY FLOW OVER THE REGION AND HELP KEEP TEMPS FROM WARMING TO DRASTICALLY. THIS SHOULD MEAN MILD CONDITIONS DAY 6 AND 7 WITH SLIGHTLY ABOVE NORMAL TEMPS EXPECTED. && .AVIATION...LIGHT SHOWER ACTIVITY IS EXPECTED TO MOVE ACROSS THE LAS VEGAS VALLEY OVERNIGHT WITH CEILINGS LOWERING TO 5000 FT BY MORNING. THE POTENTIAL FOR ADDITIONAL SHOWERS EXISTS THROUGHOUT THE DAY ON FRIDAY. && .VEF WATCHES/WARNINGS/ADVISORIES... .NV...NONE. .AZ...NONE. .CA...NONE. && PIERCE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 500 AM PST THU APR 1 2004 AZZ001>003-036-CAZ026>029-NVZ014>022-020115- DEATH VALLEY NATIONAL PARK-ESMERALDA AND CENTRAL NYE COUNTY- LAKE HAVASU AND FORT MOJAVE-LAKE MEAD NATIONAL RECREATION AREA- LAS VEGAS VALLEY-LINCOLN COUNTY-NORTHEAST CLARK COUNTY- NORTHWEST DESERTS-NORTHWEST PLATEAU- OWENS VALLEY AND ADJACENT EASTERN SIERRA SLOPES- SAN BERNARDINO COUNTY DESERTS-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY-SHEEP RANGE-SOUTHERN CLARK COUNTY- SPRING MOUNTAINS-RED ROCK CANYON- WESTERN CLARK AND SOUTHERN NYE COUNTY- 500 AM PST (600 AM MST) THU APR 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST CALIFORNIA/SOUTHERN NEVADA/NORTHWEST ARIZONA. .DAY ONE...TODAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
The Lee Canyon Ski Resort reported between 6 and 8 inches of snow overnight.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2004Every state in 2004This day in weather historyWarnings in Nevada, April 2004
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: 5391701.