The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Event typeevent_type | Funnel Cloud |
|---|---|
| NOAA NCEI event IDncei_event_id | 248,347 |
| Episode IDepisode_id | 42,570 |
| Begin UTCbegin_utc | 2010-09-07T00:16:00+00:00 |
| End UTCend_utc | 2010-09-07T00:16:00+00:00 |
| Statestate | IOWA |
| County/zone typecz_type | C |
| County/zone namecz_name | BUTLER |
| Latitudelat | 42.660 |
| Longitudelon | -92.910 |
| End latitudeend_lat | 42.660 |
| End longitudeend_lon | -92.910 |
| Deaths directdeaths_direct | 0 |
| Deaths indirectdeaths_indirect | 0 |
| Injuries directinjuries_direct | 0 |
| Injuries indirectinjuries_indirect | 0 |
| Damage propertydamage_property | 0.00K |
| Damage cropsdamage_crops | 0.00K |
| Weather forecast office sourcewfo_source | Trained Spotter |
| Episode narrativeepisode_narrative | A dynamic system rolled through the upper Midwest during the day on the 6th into the evening hours. A strong upper level system, combined with a sharp cold front, moved through Iowa during the evening hours of the 7th. The atmosphere was capped during the day with elevated showers moving across the state. During the late afternoon, the mid level cap broke down. Instability was sufficient with nearly 2000 J/kg of CAPE available, and lifted indices in the -5 to -9 C range. CAPE in the -10 to -30 C layer of the atmosphere was around 600 J/kg and downdraft CAPE values were under 1000 J/kg. Temperatures during the day were in the low to mid 80s, combined with dew points in the mid to upper 60s just ahead of the cold front. The system was somewhat moisture starved with precipitable water values in the 1.25 to 1.6 inch range. The freezing level was quite high for early September, around 14,000 feet. A narrow line of thunderstorms formed just ahead of the cold front by late afternoon. The storms raced east-northeast at 55 to 60 MPH. A small section of the line became severe over parts of north central into northeast Iowa. One funnel cloud was reported in Butler County with the storms. Spotty reports of hail of penny to quarter size were received. High winds blew out a porch window in Butler County. Earlier, thunderstorms produced 60 MPH winds in the Lake Mills area, overturning a trailer and snapping a power poll off at the top. |
| Event narrativeevent_narrative | A spotter reported a brief funnel that dissipated quickly. |
| Yearyear | 2,010 |
Provenance
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