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The Dexes / Heavy Rain / 504300

Eventdex · Heavy Rain

SANTA CLARA

504300 · 37.340, -121.930

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The record

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

Event typeevent_typeHeavy Rain
NOAA NCEI event IDncei_event_id504,300
Episode IDepisode_id83,521
Begin UTCbegin_utc2014-02-09T17:24:00+00:00
End UTCend_utc2014-02-09T17:24:00+00:00
StatestateCALIFORNIA
County/zone typecz_typeC
County/zone namecz_nameSANTA CLARA
Latitudelat37.340
Longitudelon-121.930
End latitudeend_lat37.340
End longitudeend_lon-121.930
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceTrained Spotter
Episode narrativeepisode_narrativeAfter an exceptional period with little to no rainfall, much needed rain fell across the Bay Area February 6th through the 9th. In fact, the lack of rainfall lead to the largest deficit of rain in recorded history for the Bay Area.||The first storm system began to develop on Wednesday (Feb 5) as a shortwave trough moved toward the West Coast. The shortwave trough deepened through the day allowing for a surface low to develop Wednesday Night off the coast. The resulting surface low increased low level warm advection and enhanced orographic lift along the coastal mountains. Rainfall amounts with this system varied from just over one half inch to a little more than two inches. ||The second and much stronger storm system brought impressive rainfall totals to the coastal mountains, especially the North Bay. The bulk of the rainfall occurred Friday night through Saturday. Several key factors led to the impressive rainfall: middle level flow perpendicular to the coast , orographic lift along the coastal mountains, but most prominently was a plume of very moist air streaming in from off the Pacific Ocean (an Atmospheric River). As the moisture plume moved into the region rain began to overspread the North Bay Thursday night into Friday morning. Over the next 24 hours the main push of higher precipitable water moved over the Bay Area leading to the onset of steadier and at times heavy rainfall. By Sunday, rain began to diminish with off and on showers through the day.||Despite the long preceding period of dry weather, the several days of persistent rainfall resulted in some flooding and even landslides in parts of the Bay Area. Conditions were so bad on a stretch of the Ft Ross-Cazadero Highway that part of it washed away.
Event narrativeevent_narrativeSpotter reported this as a 24 hour rainfall total.
Yearyear2,014

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SANTA CLARA — Heavy Rain — TerraPulse