Alert archive / Iowa / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 248, NWS Sioux Falls, SD

July 5, 2022Clay County, Dickinson County, Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 5, 2022, 6:21 PM CDT for Clay County, Dickinson County, Iowa. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 5, 2022, 6:21 PM CDT (23:21 UTC)
Expired: Jul 5, 2022, 6:45 PM CDT
In force: 24 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clay County, IA, Dickinson County, IA

The radar

The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 23:25 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 5, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2607 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 716 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 5, 5:44 PM CDT, 37 minutes earlier.

Area forecast discussion, Jul 5, 5:44 PM CDT, 37 minutes before

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Hazardous weather outlook, Jul 5, 4:57 AM CDT, 13 hours 24 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
457 AM CDT Tue Jul 5 2022

IAZ001>003-MNZ071-072-080-081-089-090-097-098-SDZ038>040-050-052>064-
061000-
Lyon-Osceola-Dickinson-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-
Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-
Charles Mix-Douglas-
457 AM CDT Tue Jul 5 2022

This Hazardous Weather Outlook is for northwest Iowa, southwest
Minnesota, central South Dakota, east central South Dakota, south
central South Dakota and southeast South Dakota.

.DAY ONE...Today and tonight.

Another hot and humid day is forecast to prevail today, as heat
indices rise into the 90s. Could even see a few locations approach
100 degrees. In addition to this, expect showers and storms this
afternoon and evening.

Storms that become strong to severe may be capable of producing
damaging winds up to 75 mph and hail up to 2 inches in diameter.
These storms may also be capable of producing 2 to 4 inches of
rain in short period of time, which may result in localized areas
of flash flooding, especially across urban areas.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Another round of storms may be possible Wednesday, though chances
remain largely conditional on how the activity from late Tuesday
evolves. Therefore, we encourage you to continue monitoring the
forecast for the latest updates.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed from noon to 9 pm today.

IAZ012>014-020>022-031-032-NEZ013-014-SDZ065>071-061000-
Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Dixon-
Dakota-Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
457 AM CDT Tue Jul 5 2022

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, northeast Nebraska and southeast South Dakota.

.DAY ONE...Today and tonight.

Another hot and humid day is forecast to prevail today, as heat
indices rise into the 90s to lower 100s. In addition to this, expect
showers and storms this afternoon and evening.

Storms that become strong to severe may be capable of producing
damaging winds up to 75 mph and hail up to 2 inches in diameter.
These storms may also be capable of producing 2 to 4 inches of
rain in short period of time, which may result in localized areas
of flash flooding, especially across urban areas.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Another round of storms may be possible Wednesday, though chances
remain largely conditional on how the activity from late Tuesday
evolves. Therefore, we encourage you to continue monitoring the
forecast for the latest updates.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed from noon to 9 pm today.

In the hours before

Local storm report, Jul 5, 5:20 PM CDT, 1 hour 1 minute before

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Local storm report, Jul 5, 5:36 PM CDT, 45 minutes before

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Local storm report, Jul 5, 5:37 PM CDT, 44 minutes before

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Local storm report, Jul 5, 5:38 PM CDT, 43 minutes before

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Local storm report, Jul 5, 5:39 PM CDT, 42 minutes before

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Local storm report, Jul 5, 6:17 PM CDT, 4 minutes before

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The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 1:42 AM CDT	Severe Thunderstorm Warning	FSD	Brule, Charles Mix, Gregory	33 min
Jul 5, 12:39 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Beadle	66 min
Jul 5, 12:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Brule, Jerauld	62 min
Jul 5, 1:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Brule, Charles Mix, Gregory	45 min
Jul 5, 1:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Brule, Davison, Douglas, Hanson, Hutchinson and 3 more	61 min
Jul 5, 1:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Kingsbury, Miner, Sanborn	53 min
Jul 5, 1:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Charles Mix, Douglas, Gregory	66 min
Jul 5, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Davison, Douglas, Hanson, Hutchinson, Lake, Lincoln and 3 more	65 min
Jul 5, 2:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Brookings, Kingsbury, Lake, Miner, Minnehaha and 2 more	60 min
Jul 5, 2:43 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson, Yankton	62 min
Jul 5, 3:08 PM CDT	Tornado Warning	FSD	McCook, Minnehaha	37 min
Jul 5, 3:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Hanson, Hutchinson, Lincoln, McCook, Minnehaha, Turner and 1 more	56 min
Jul 5, 3:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Union, Yankton	63 min
Jul 5, 3:30 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Lake, Miner, Moody	60 min
Jul 5, 4:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, Minnehaha	65 min
Jul 5, 4:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Union	67 min
Jul 5, 4:31 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Moody	29 min
Jul 5, 4:55 PM CDT	Flash Flood Warning	FSD	Minnehaha, Moody	3 hr
Jul 5, 5:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, Minnehaha	63 min
Jul 5, 4:54 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola	66 min
Jul 5, 3:24 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Lyon, Murray	51 min
Jul 5, 3:57 PM CDT	Flash Flood Warning	FSD	Cottonwood, Murray	3 hr
Jul 5, 4:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cottonwood, Murray	21 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2022 Every severe thunderstorm warning in 2022

Sources

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