Alert archive / South Dakota / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 68, NWS Aberdeen, SD

July 7, 20094 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 7, 2009, 2:52 PM CDT for 4 counties in South Dakota. It was in force for 68 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 7, 2009, 2:52 PM CDT (19:52 UTC)
Expired: Jul 7, 2009, 4:00 PM CDT
In force: 68 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon

Counties Clark County, SD, Codington County, SD, Grant County, SD, Hamlin County, SD

The radar

The Aberdeen radar (KABR), 111 km from the middle of the area, began a volume at 19:53 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 7, 2:13 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

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 7, 2:22 PM CDT, 30 minutes earlier.

Area forecast discussion, Jul 7, 2:22 PM CDT, 30 minutes before

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Hazardous weather outlook, Jul 7, 3:31 AM CDT, 11 hours 21 minutes before

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In the hours before

Special weather statement, Jul 7, 9:32 AM CDT, 5 hours 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
932 AM CDT TUE JUL 7 2009

SDZ003>005-009-015-071600-
CAMPBELL-CORSON-DEWEY-MCPHERSON-WALWORTH-
932 AM CDT TUE JUL 7 2009

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR CAMPBELL...
EASTERN CORSON...NORTHEASTERN DEWEY...NORTHWESTERN MCPHERSON AND
NORTHWESTERN WALWORTH COUNTIES UNTIL 1100 AM CDT/1000 AM MDT/...

AT 828 AM MDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING
NEAR INDIAN MEMORIAL REC AREA...OR NEAR MOBRIDGE...MOVING NORTHEAST
AT 30 MPH.

A FEW LOCATIONS IN THE ADVISORY INCLUDE GLENHAM...KENEL...POLLOCK...
MOUND CITY...HERREID...ARTAS...EUREKA...GREENWAY AND LONG LAKE.

A CLUSTER OF STRONG THUNDERSTORMS WERE ALSO NOTED ON RADAR
DEVELOPING NEAR ARTAS...MOVING NORTHEAST AT 30 MPH.

PENNY TO NICKEL SIZE HAIL...AND WINDS AROUND 40 TO 50 MPH ARE
EXPECTED WITH THESE STORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING ACCOMPANIES THESE STORMS. MOVE INDOORS
IMMEDIATELY.

&&

DORN

Local storm report, Jul 7, 9:55 AM CDT, 4 hours 57 minutes before

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Local storm report, Jul 7, 10:16 AM CDT, 4 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1016 AM CDT TUE JUL 07 2009

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

0953 AM     HAIL             9 N GLENHAM             45.66N 100.27W
07/07/2009  E1.00 INCH       CAMPBELL           SD   PUBLIC

&&

WFOABR

Special weather statement, Jul 7, 12:45 PM CDT, 2 hours 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
1245 PM CDT TUE JUL 7 2009

SDZ010-017-018-071845-
EDMUNDS-FAULK-SPINK-
1245 PM CDT TUE JUL 7 2009

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR EASTERN
FAULK...NORTHWESTERN SPINK AND SOUTHEASTERN EDMUNDS COUNTIES UNTIL
145 PM CDT...

AT 1243 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CRESBARD...OR 17 MILES NORTHEAST OF
FAULKTON...MOVING SOUTHEAST AT 30 MPH.

A FEW LOCATIONS IN THE ADVISORY INCLUDE DEVOE...CHELSEA...MIRANDA...
NORTHVILLE...ROCKHAM...MELLETTE...ATHOL AND ASHTON.

PENNY TO NICKEL SIZE HAIL...AND WINDS AROUND 40 TO 50 MPH ARE
EXPECTED WITH THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

FOWLE

Special weather statement, Jul 7, 1:16 PM CDT, 1 hour 36 minutes before

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Special weather statement, Jul 7, 1:22 PM CDT, 1 hour 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 7:20 PM CDT	Severe Thunderstorm Warning	ABR	Faulk	55 min
Jul 6, 7:39 PM CDT	Severe Thunderstorm Warning	ABR	Faulk	51 min
Jul 7, 9:42 AM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Walworth	43 min
Jul 7, 11:53 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk	42 min
Jul 7, 2:41 PM CDT	Tornado Warning	ABR	Codington, Day, Grant	49 min
Jul 7, 2:57 PM CDT	Tornado Warning	ABR	Clark, Hamlin	63 min
Jul 7, 3:27 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Codington, Deuel, Grant, Hamlin	48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2009 Every severe thunderstorm warning in 2009

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.