Alert archive / South Dakota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 176, NWS Sioux Falls, SD

July 30, 2023Bon Homme County, Douglas County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 30, 2023, 2:51 PM CDT for Bon Homme County, Douglas County, South Dakota. It was in force for 39 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 30, 2023, 2:51 PM CDT (19:51 UTC)
Expired: Jul 30, 2023, 3:30 PM CDT
In force: 39 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Bon Homme County, SD, Douglas County, SD

The radar

The Sioux Falls radar (KFSD), 121 km from the middle of the area, began a volume at 19:52 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 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 30, 1:08 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 30, 1:08 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 30, 4:30 AM CDT, 10 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
430 AM CDT Sun Jul 30 2023

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-310930-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
430 AM CDT Sun Jul 30 2023

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

.DAY ONE...Today and tonight.

Isolated showers and thunderstorms continue to develop west of the
James River this morning. Expect this activity to gradually decrease
by daybreak this morning. Otherwise, another round of showers and
thunderstorms will move through areas west of I-29 overnight.
However, severe weather is not expected.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 30, 12:06 PM CDT, 2 hours 45 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
1206 PM CDT Sun Jul 30 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1156 AM     Hail             1 E Wessington Springs  44.08N 98.56W
07/30/2023  E1.25 inch       Jerauld            SD   Public

            Report from mPING: Half Dollar (1.25 in.)
            Time updated from radar.

&&

AT

Local storm report, Jul 30, 12:28 PM CDT, 2 hours 23 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
1228 PM CDT Sun Jul 30 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1214 PM     Hail             11 SSW Lane             43.92N 98.48W
07/30/2023  E0.75 inch       Aurora             SD   Emergency Mngr

&&

AT

Local storm report, Jul 30, 1:15 PM CDT, 1 hour 36 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
115 PM CDT Sun Jul 30 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1212 PM     Hail             3 ESE Lane              44.06N 98.37W
07/30/2023  E0.75 inch       Jerauld            SD   Trained Spotter

            Time estimated from radar.

&&

AT

Local storm report, Jul 30, 2:10 PM CDT, 41 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
210 PM CDT Sun Jul 30 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1206 PM     Hail             7 SSE Wessington Spring 43.98N 98.53W
07/30/2023  E1.00 inch       Jerauld            SD   Public

            Time estimated from radar.

&&

AT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 11:34 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Beadle, Jerauld, Sanborn	41 min
Jul 30, 12:06 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Jerauld, Sanborn	24 min
Jul 30, 12:27 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Hanson, Sanborn	33 min
Jul 30, 1:03 PM CDT	Severe Thunderstorm Warning	FSD	Jerauld	42 min
Jul 30, 2:28 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Douglas, Hutchinson	30 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2023 Every severe thunderstorm warning in 2023

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.