Alert archive / South Dakota / Areal Flood Warnings in 2021

Areal Flood Warning 1, NWS Aberdeen, SD

June 14, 2021Jones County, South Dakota

NWS Aberdeen, SD issued this areal flood warning at Jun 14, 2021, 1:13 AM CDT for Jones County, South Dakota. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 14, 2021, 1:13 AM CDT (06:13 UTC)
Expired
Jun 14, 2021, 7:15 AM CDT
In force
6 hr
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Flood severity
None

County Jones County, SD

The radar

The Rapid City radar (KUDX), 172 km from the middle of the area, began a volume at 06:16 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 nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 6.2 hours before the alert went out and 176 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1422 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1422 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1895 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Aberdeen, SD wrote its last area forecast discussion before this areal flood warning went out at Jun 14, 12:38 AM CDT, 35 minutes earlier.

Area forecast discussion, Jun 14, 12:38 AM CDT, 35 minutes before
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Hazardous weather outlook, Jun 13, 8:50 AM CDT, 16 hours 23 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Aberdeen SD
850 AM CDT Sun Jun 13 2021

MNZ039-046-SDZ003>011-015>023-141400-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-
850 AM CDT Sun Jun 13 2021 /750 AM MDT Sun Jun 13 2021/

This Hazardous Weather Outlook is for west central Minnesota, north
central South Dakota and northeast South Dakota.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.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.

SDZ033>037-045-048-051-141400-
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
850 AM CDT Sun Jun 13 2021 /750 AM MDT Sun Jun 13 2021/

This Hazardous Weather Outlook is for central South Dakota.

.DAY ONE...Today and tonight.

Isolated to scattered showers and thunderstorms will occur across
portions of central South Dakota through the morning, and possibly
into the afternoon hours. A few storms may produce small hail and
frequent lightning.

.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.

TMT

In the hours before

Special weather statement, Jun 13, 10:26 PM CDT, 2 hours 47 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
1026 PM CDT Sun Jun 13 2021

SDZ045-048-140345-
Lyman SD-Jones SD-
1026 PM CDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JONES AND WEST
CENTRAL LYMAN COUNTIES UNTIL 1045 PM CDT...

At 1026 PM CDT, Doppler radar was tracking a strong thunderstorm near
Draper, or 13 miles northeast of Murdo, moving southeast at 30 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Draper.

LAT...LON 4397 10060 4412 10050 4403 10024 4381 10040
TIME...MOT...LOC 0326Z 304DEG 24KT 4399 10046

TDK
Special weather statement, Jun 13, 10:35 PM CDT, 2 hours 38 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
1035 PM CDT Sun Jun 13 2021

SDZ048-140400-
Lyman SD-
1035 PM CDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL LYMAN COUNTY UNTIL
1100 PM CDT...

At 1035 PM CDT, Doppler radar was tracking a strong thunderstorm near
5 Mile Corner, or near Presho, moving east at 20 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Presho, Vivian, Earling Hill, Fate Dam, 5 Mile Corner and western
Lower Brule Reservation.

LAT...LON 4389 10030 4406 10022 4402 9994 4381 10001
TIME...MOT...LOC 0335Z 288DEG 18KT 4396 10017

TDK
Special weather statement, Jun 13, 11:23 PM CDT, 1 hour 50 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
1123 PM CDT Sun Jun 13 2021

SDZ045-140445-
Jones SD-
1123 PM CDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN JONES COUNTY UNTIL 1145
PM CDT...

At 1123 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Van Metre, or 11 miles north of Murdo, moving
southeast at 30 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Murdo.

LAT...LON 4404 10094 4416 10076 4405 10051 4387 10074
TIME...MOT...LOC 0423Z 316DEG 28KT 4405 10078

TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 10:26 PM CDTSpecial Weather StatementABRJones19 min
Jun 13, 10:35 PM CDTSpecial Weather StatementABRLyman25 min
Jun 13, 11:10 PM CDTSevere Thunderstorm WarningABRJones, Lyman35 min
Jun 13, 11:23 PM CDTSpecial Weather StatementABRJones22 min
Jun 13, 11:33 PM CDTSevere Thunderstorm WarningABRJones27 min
Jun 13, 11:44 PM CDTSevere Thunderstorm WarningABRJones, Lyman31 min
Jun 13, 11:53 PM CDTSevere Thunderstorm WarningABRJones, Lyman37 min
Jun 13, 11:58 PM CDTSevere Thunderstorm WarningABRJones32 min
Jun 14, 12:23 AM CDTSevere Thunderstorm WarningABRJones, Lyman38 min
Jun 14, 12:30 AM CDTSevere Thunderstorm WarningABRJones45 min
Jun 14, 3:58 AM CDTSpecial Weather StatementABRKingsbury32 min
Jun 14, 4:03 AM CDTSpecial Weather StatementABRHyde42 min

Nearby

Areal Flood Warnings in South Dakota, 2021Every areal flood warning in 2021

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.