The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Event typeevent_type | Heavy Rain |
|---|---|
| NOAA NCEI event IDncei_event_id | 385,631 |
| Episode IDepisode_id | 64,409 |
| Begin UTCbegin_utc | 2012-07-25T23:17:00+00:00 |
| End UTCend_utc | 2012-07-25T23:17:00+00:00 |
| Statestate | IOWA |
| County/zone typecz_type | C |
| County/zone namecz_name | EMMET |
| Latitudelat | 43.400 |
| Longitudelon | -94.830 |
| End latitudeend_lat | 43.400 |
| End longitudeend_lon | -94.830 |
| 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 | Emergency Manager |
| Episode narrativeepisode_narrative | A very hot airmass was in place over Iowa, though it was capped through the daytime hours. High temperatures reached the mid to upper 90s in the north and 100 to 108 across the south. A cold front moved into northwest Iowa during the afternoon. Dewpoint temperatures pooled along the front to the 65 to 70 degree range. The atmosphere became unstable with the lifted index falling to around -5 C and CAPE increasing to between 2000 and 4000 J/kg. CAPE in the -10 to -30 C layer of the atmosphere was between 400 and 700 J/kg, but the freezing level was around 15,000 feet and shear 20 kts or less. Precipitable water values were high at around 2 inches. The primary mode of severe weather was high winds. A line of thunderstorms formed along the cold front during the early evening hours, rapid intensification once they broke through the cap. The storms became cold pool dominated by mid evening with the outflow boundary leading the storms by about 30 miles. Most of the storms produced winds of 50 to 60 MPH, with a few gusts of 65 to 75 MPH. The highest winds were in Carroll and Poweshiek Counties. Downdraft CAPE was between 1200 and 1800 J/kg. There was little tornado threat with the LCL between 2500 and 3500 meters. There were a few reports of hail, but most of the hail was under an inch in diameter and not a primary event. One report of golf ball size hail was received from the Ruthven area in Palo Alto County. Winds caused numerous power outages and also damaged many trees. As a storm moved through Boone County, the Central Iowa Expo building was flattened. It was under construction with three sides of the building completed. High winds at the Ames Airport flipped a plane over from the same storm that moved through Boone County. |
| Event narrativeevent_narrative | Minor street flooding reported with wind gusts to 35 MPH and frequent cloud to ground lightning. |
| Yearyear | 2,012 |
Provenance
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Storage: spine