Alert archive / Iowa / Heat Advisories in 2015

Heat Advisory 2, NWS Sioux Falls, SD

July 23, 2015Clay County, Union County, South Dakota; 8 counties in Iowa

NWS Sioux Falls, SD issued this heat advisory at Jul 23, 2015, 3:33 AM CDT for Clay County, Union County, South Dakota; 8 counties in Iowa. It took effect at Jul 24, 2015, 2:00 PM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jul 23, 2015, 3:33 AM CDT (08:33 UTC)
In effect from: Jul 24, 2015, 2:00 PM CDT
Expired: Jul 24, 2015, 7:00 PM CDT
In force: 5 hr
Issued by: NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Ida County, IA, O'Brien County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 110 km from the middle of the area, began a volume at 08:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this heat advisory went out at Jul 22, 10:51 PM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, Jul 22, 10:51 PM CDT, 4 hours 42 minutes before

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Nearby

Heat Advisories in Iowa, 2015 Heat Advisories in South Dakota, 2015 Every heat advisory in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.