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The Dexes / Heavy Rain / 423423

Eventdex · Heavy Rain

SAN DIEGO

423423 · 32.973, -117.037

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The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

Event typeevent_typeDebris Flow
NOAA NCEI event IDncei_event_id423,423
Episode IDepisode_id70,510
Begin UTCbegin_utc2012-12-13T17:00:00+00:00
End UTCend_utc2012-12-13T18:00:00+00:00
StatestateCALIFORNIA
County/zone typecz_typeC
County/zone namecz_nameSAN DIEGO
Latitudelat32.973
Longitudelon-117.037
End latitudeend_lat32.971
End longitudeend_lon-117.036
Flood causeflood_causeHeavy Rain
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property15.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceBroadcast Media
Episode narrativeepisode_narrativeA cold low pressure system developed in the Gulf of Alaska and deepened as it dropped south along the West Coast, before closing off and slowing as it moved inland over southern California on the 13th. The main front with this system brought widespread light to moderate precipitation on the 13th into the morning of the 14th. A secondary system, right behind the departing low, moved through the area the evening of the 14th through the morning of the 15th, bringing another, yet lighter, round of precipitation. Most coastal and inland locations received between 0.50 and 2 inches of rain, locally more where heavier showers trained. The coastal slopes of the San Bernardino Mountains received up to 3 inches of rain. Several road closures were in effect due to flooding and stalled vehicles, including areas in southwest San Diego County like Mission Bay and Midway. The heavy rain, along with astronomical high tides of almost 8 feet, resulted in areas of coastal flooding in Orange County near Seal and Sunset Beaches, where water was up to garages and covered all lanes of the Pacific Coast Highway on the 13th and halfway across that roadway on the 14th. The observed tide was about 3 to 6 inches higher than the predicted tide. The San Diego lifeguard water rescue team was busy retrieving several stranded motorists and one man stranded on a sandbar in the middle of the Tijuana River. Flooding also closed one road access to Fashion Valley Mall when the San Diego River reached a crest of 6.59 feet. The 1.56 inches of rain that fell at Lindbergh Field broke the previous daily record of 0.47 inches for December 13th. The snow level lowered to 4000-4500 feet late on the 13th, resulting in several inches of snow above that level. Most locations between the snow level and around 6000 feet received a trace to 4 inches of snow. Above 6000 feet, amounts were up to 10 inches, locally higher. The greatest amount reported was 17 inches at Running Springs in San Bernardino County. Most Big Bear locations received around 6 to 8 inches. In San Diego County, Cuyamaca received 4 inches of snow, while Julian received 2 inches. Most of the snow fell on the night of the 13th, with additional light amounts on the 14th-15th in the San Bernardino County mountains.
Event narrativeevent_narrativeAn 8-ton boulder, measuring approximately 5 feet by 6 feet, was dislodged by rain-soaked ground and rolled down a hillside, through the garage of a house iin the 13000 block of Vian Road in Poway. The boulder ruptured a water line and a propane line.
Yearyear2,012

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SAN DIEGO — Heavy Rain — TerraPulse