Storm Data and Unusual Weather Phenomena - CIG

CALIFORNIA, SouthwestSan BernardinoCountyHesperia14Orange CountySan ClementeOrange CountySan ClementeCAZ055>056-058CAZ042CAZ043CAZ058CAZ043Riverside CountyLake ElsinoreSan Diego CountyDulzura1257PST1302PST00Funnel CloudA cut-off low pressure center drifting over southwestern California spawned convection over the high deserts. Besides hail andgusty winds, one of the squall lines produced a funnel cloud near Hesperia, which was visible for some 20 miles.251100PST1500PST00Heavy Rain25 1200PST0 0Urban/Sml Stream Fld1600PSTA strong upper-level low pressure trough moved into southwestern California accompanied by areas of heavy rain and snow in themountains. Most flooding was minor, but the rain was particularly heavy in San Clemente around midday when 3 to 4 inches ofrain fell in just four hours. Water was gushing so hard down streets, that it pushed parked cars around and impeded uphill travel.City Hall was inundated with calls reporting flooding in homes and businesses.San Bernardino County Mountains - Riverside County Mountains - San Diego County Mountains28 0000PST0 0Heavy Snow29 0900PSTOrange County Coastal Plain28 1000PST0 0High Wind (G61)2200PSTSan Diego County Coasts28 1200PST0 1Wind1600PSTSan Diego County Mountains28 2000PST1 0Cold29 0800PSTM24OTSan Diego County Coasts28 2030PST0 5300K Small Hail2230PST29Storm Data and Unusual Weather PhenomenaTimePath PathNumber ofEstimatedLocal/ Length WidthPersonsDamageLocation DateStandard (Miles) (Yards) Killed Injured Property Crops Character of Storm1250PST1300PST00Dry MicroburstMarch 199829 1508PST0 0Funnel Cloud1513PSTA deep, upper-level low pressure trough produced unusually cold, late season winter storm conditions throughout southwestCalifornia. Strong winds developed behind the surface cold front on the twenty- eighth, and continued in the mountains into thetwenty-ninth. Thirty to forty mph wind gusts were reported along the Orange County Coast much of the twenty-eighth. Peak gustshit 60 mph at Huntington Beach, and 70 mph at Newport Beach. Two trees blew down onto cars in Huntington Beach, smashingone, damaging the other and breaking-up twenty feet of sidewalk. The strong winds knocked out power to 6000 customers as well.In San Diego County, a woman suffered broken ribs, and two cars were damaged when wind gusts to 35 mph blew down a tree inEscondido shortly after noon. Falling trees in Del Mar also damaged a garage and took down power lines in one neighborhood.Orange County1 SW HuntingtonBeach toHuntington BeachAlthough it was late in the season, this storm was the coldest of the entire winter. An illegal immigrant died of exposure early onthe twenty-ninth. His body was found in a shed in Jamul. Snow was reported as low as 2000 feet in the deserts. In the mountains,1 to 3 feet of snow fell above 5000 feet, with generally 4 to 8 inches between 3000 and 5000 feet. Strong winds gusting as high as60 mph accompanied the snowfall in some areas, resulting in heavy drifting and road closures. Along the coasts, and in thefoothills, scattered showers and thunderstorms on the twenty-ninth produced enough ice pellets and hail to cover the ground oneinch deep in some areas. Considerable damage was reported to flower and strawberry crops, and a 10 car pile-up on the I-15 nearDeer Springs sent 5 people to area hospitals. In a Lake Elsinore neighborhood, an apparent microburst uprooted a tree and rippedtwo 20-foot sections of roofing tiles from a home. A funnel cloud was spotted that afternoon near Dulzura.310840PST0845PST00Waterspout27 21