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The Dexes / Heavy Rain / 454508

Eventdex · Heavy Rain

DAVIS

454508 · 40.700, -92.270

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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_id454,508
Episode IDepisode_id75,217
Begin UTCbegin_utc2013-07-21T20:35:00+00:00
End UTCend_utc2013-07-21T21:12:00+00:00
StatestateIOWA
County/zone typecz_typeC
County/zone namecz_nameDAVIS
Latitudelat40.700
Longitudelon-92.270
End latitudeend_lat40.700
End longitudeend_lon-92.270
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_narrativeA weak warm air advection pattern was in place across Iowa. Precipitable water values had increased to 1.6 inches over southern Iowa by early afternoon. An area of thunderstorms formed in a weakly sheared environment. The CAPE was around 1000 J/kg, with shear around 25 kts. CAPE in the -10 to -30 C layer of the atmosphere was 400 J/kg. The storms produced very heavy rain and some hail as they moved through. A rainfall total of 3.57 inches was reported west of Chariton, in Lucas County, much of which fell in an hour. Nearly all streets in the town of Chariton were flooded in places. The outflow boundary from the convection over southern Iowa moved west and set off additional thunderstorms over western Iowa. The severe environment was move favorable in western Iowa. CAPE had increased to between 2000 and 3000 J/kg, with downdraft CAPE around 1200 J/kg. CAPE in the -10 to -30 C layer of the atmosphere was around 400 J/kg with the freezing level around 14,000 feet. Shear remained weak at around 25 kts. Isolated thunderstorms developed over west central and southwest Iowa. One of the stronger storms produced golf ball size hail east of Audubon.
Event narrativeevent_narrativeOne and one half inches of rain fell in the past 30 to 45 minutes. Minor street flooding was reported in town.
Yearyear2,013

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DAVIS — Heavy Rain — TerraPulse