Alert archive / South Dakota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 101, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 2, 2020, 10:55 PM CDT for Hand County, Hyde County, South Dakota. It was in force for 26 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 2, 2020, 10:55 PM CDT (03:55 UTC)
- Expired
- Jul 2, 2020, 11:21 PM CDT
- In force
- 26 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hand County, SD, Hyde County, SD
The radar
The Aberdeen radar (KABR), 120 km from the middle of the area, began a volume at 03:56 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 2, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.9 hours before the alert went out and 77 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.
- Mixed-layer CAPE
- 1949 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1823 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 2, 6:26 PM CDT, 4 hours 29 minutes earlier.
Area forecast discussion, Jul 2, 6:26 PM CDT, 4 hours 29 minutes before
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</html>Hazardous weather outlook, Jul 2, 4:14 AM CDT, 18 hours 41 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 414 AM CDT Thu Jul 2 2020 SDZ003-004-009-015-016-033>035-045-048-030915- Corson-Campbell-Walworth-Dewey-Potter-Stanley-Sully-Hughes-Jones- Lyman- 414 AM CDT Thu Jul 2 2020 /314 AM MDT Thu Jul 2 2020/ This Hazardous Weather Outlook is for central South Dakota and north central South Dakota. .DAY ONE...Today and tonight. Strong to severe storms will be possible late this afternoon through this evening. Some storms may be capable of producing golf ball size hail and 60 mph wind gusts. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Additional afternoon and nighttime thunderstorms are possible Friday through early next week. Some storms on Friday and Saturday could become strong to severe. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our Twitter feed. SDZ005-006-010-017>019-036-037-051-030915- McPherson-Brown-Edmunds-Faulk-Spink-Clark-Hyde-Hand-Buffalo- 414 AM CDT Thu Jul 2 2020 This Hazardous Weather Outlook is for central South Dakota, north central South Dakota and northeast South Dakota. .DAY ONE...Today and tonight. Thunderstorms will be possible tonight. While severe weather is not expected, some storms could produce small hail and gusty winds. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Additional afternoon and nighttime thunderstorms are possible Friday through early next week. Some storms on Friday and Saturday could become strong to severe. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MNZ039-046-SDZ007-008-011-020>023-030915- Traverse-Big Stone-Marshall-Roberts-Day-Codington-Grant-Hamlin-Deuel- 414 AM CDT Thu Jul 2 2020 This Hazardous Weather Outlook is for west central Minnesota and northeast South Dakota. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Additional afternoon and nighttime thunderstorms are possible Friday through early next week. Some storms on Friday and Saturday could become strong to severe. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SD
In the hours before
Special weather statement, Jul 2, 7:50 PM CDT, 3 hours 5 minutes before
Special Weather Statement National Weather Service Aberdeen SD 750 PM CDT Thu Jul 2 2020 SDZ003-004-009-030130- Walworth SD-Campbell SD-Corson SD- 750 PM CDT Thu Jul 2 2020 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN CORSON...WESTERN CAMPBELL AND NORTHWESTERN WALWORTH COUNTIES UNTIL 830 PM CDT/730 PM MDT/... At 749 PM CDT/649 PM MDT/, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles northwest of Kenel to near Trail City. Movement was east at 35 mph. Wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Mobridge, Wakpala, Pollock, Glenham, Indian Memorial Rec Area, Trail City, Mahto, Revheim Bay Rec Area, Grand River Casino, Kenel and Indian Creek Rec Area. A Severe Thunderstorm Watch remains in effect until 900 PM CDT/800 PM MDT/ for north central South Dakota. LAT...LON 4594 10009 4547 10013 4547 10081 4594 10078 TIME...MOT...LOC 0049Z 271DEG 29KT 4594 10063 4547 10066 Parkin
Special weather statement, Jul 2, 9:03 PM CDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
903 PM CDT Thu Jul 2 2020
SDZ016-017-033>037-045-048-030245-
Hand SD-Hughes SD-Stanley SD-Sully SD-Hyde SD-Lyman SD-Potter SD-
Faulk SD-Jones SD-
903 PM CDT Thu Jul 2 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JONES...NORTHWESTERN
HAND...EASTERN SULLY...HYDE...SOUTHWESTERN FAULK...SOUTHEASTERN
POTTER...SOUTHEASTERN STANLEY...HUGHES AND NORTHWESTERN LYMAN
COUNTIES UNTIL 945 PM CDT/845 PM MDT/...
At 903 PM CDT/803 PM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from near Stone Lake to 7 miles
southeast of Wendte. Movement was east at 25 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Pierre, Fort Pierre, Gettysburg, Highmore, Onida, Blunt, Harrold,
Agar, Grey Goose, Cedar Creek Rec Area, Polo, Rousseau, Cottonwood
Lake Near Agar, Joe Creek Rec Area, Stone Lake, Canning, Holabird,
Sully Lake, Overlook Rec Area and Lake Sharpe.
LAT...LON 4483 9892 4394 10004 4412 10075 4436 10056
4500 9995
TIME...MOT...LOC 0203Z 282DEG 24KT 4484 9970 4416 10057
LueckLocal storm report, Jul 2, 9:29 PM CDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
929 PM CDT THU JUL 2 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0905 PM HAIL 3 S BUNKER 44.20N 101.10W
07/02/2020 E0.75 INCH STANLEY SD PUBLIC
PEA TO PENNY SIZE HAIL COVERED THE GROUND.
ESTIMATED WINDS OF 40 MPH.
&&
SDSpecial weather statement, Jul 2, 9:48 PM CDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
948 PM CDT Thu Jul 2 2020
SDZ033-035>037-048-051-030330-
Hand SD-Hughes SD-Stanley SD-Buffalo SD-Hyde SD-Lyman SD-
948 PM CDT Thu Jul 2 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN HAND...SOUTHERN HYDE...
SOUTHEASTERN STANLEY...SOUTHEASTERN HUGHES...NORTHERN LYMAN AND
NORTHWESTERN BUFFALO COUNTIES UNTIL 1030 PM CDT...
At 947 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Highmore to 7 miles southwest of Cedar Creek
Rec Area. Movement was east at 50 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Lower Brule, Highmore, Fort Thompson, Lyman, Reliance, Cedar Creek
Rec Area, Rosehill Dam, Miller Dale Colony, Sunshine Bible Academy,
Tailrace Rec Area, Joe Creek Rec Area, Pleasant Valley Country
Church, Holabird, Medicine Butte, Counselor Creek Boat Access Area,
Stephan, Etbauer Hill, Lake Sharpe, Byre Lake and Lees Corner.
LAT...LON 4408 10023 4447 9971 4460 9955 4437 9870
4433 9870 4380 9959
TIME...MOT...LOC 0247Z 282DEG 42KT 4452 9947 4411 10006
LueckSpecial weather statement, Jul 2, 10:19 PM CDT, 36 minutes before
Special Weather Statement
National Weather Service Aberdeen SD
1019 PM CDT Thu Jul 2 2020
SDZ045-048-030415-
Lyman SD-Jones SD-
1019 PM CDT Thu Jul 2 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN JONES AND LYMAN
COUNTIES UNTIL 1115 PM CDT...
At 1019 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles northwest of Fate Dam to near Westover.
Movement was southeast at 40 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Presho, Lyman, Oacoma, Kennebec, Reliance, Vivian, Draper, Westover,
Fate Dam, 5 Mile Corner, Earling Hills, Dude Ranch, Byre Lake and
Lake Francis Case.
LAT...LON 4377 9965 4373 9967 4375 9968 4376 9968
4374 9976 4371 9975 4370 9986 4367 9987
4370 9990 4370 10028 4374 10037 4374 10055
4377 10058 4372 10071 4386 10070 4413 10017
4385 9931 4377 9941 4371 9941 4357 9962
TIME...MOT...LOC 0319Z 298DEG 34KT 4402 10008 4375 10059
LueckSpecial weather statement, Jul 2, 10:49 PM CDT, 6 minutes before
Special Weather Statement National Weather Service Aberdeen SD 1049 PM CDT Thu Jul 2 2020 SDZ003-004-009-015-016-030700- Corson-Campbell-Walworth-Dewey-Potter- Including the cities of McIntosh, Herreid, Mobridge, Isabel, and Gettysburg 1049 PM CDT Thu Jul 2 2020 /949 PM MDT Thu Jul 2 2020/ Strong and gusty winds have developed over north central South Dakota. Wind gusts of 40 to 50 mph with high gusts will be possible for the next few hours. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. SD
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 44 min |
| Jul 2, 7:50 PM CDT | Special Weather Statement | ABR | Campbell | 40 min |
| Jul 2, 8:07 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Hughes, Potter, Stanley, Sully | 38 min |
| Jul 2, 8:33 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 42 min |
| Jul 2, 8:52 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 53 min |
| Jul 2, 9:03 PM CDT | Special Weather Statement | ABR | Hughes, Hyde, Sully | 42 min |
| Jul 2, 9:16 PM CDT | Severe Thunderstorm Warning | ABR | Lyman, Stanley | 44 min |
| Jul 2, 9:29 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 46 min |
| Jul 2, 9:48 PM CDT | Special Weather Statement | ABR | Buffalo, Hyde | 42 min |
| Jul 2, 10:19 PM CDT | Special Weather Statement | ABR | Lyman | 56 min |
| Jul 3, 4:43 AM CDT | Special Weather Statement | ABR | Corson | 47 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2020Every severe thunderstorm warning in 2020
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.