Alert archive / South Dakota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 86, NWS Aberdeen, SD

June 11, 2007McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 11, 2007, 12:45 AM CDT for McPherson County, South Dakota. It was in force for 30 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: Jun 11, 2007, 12:45 AM CDT (05:45 UTC)
Expired: Jun 11, 2007, 1:15 AM CDT
In force: 30 min
Issued by: NWS Aberdeen, SD
Area: Counties, with a storm outline in the text

County McPherson County, SD

The radar

The Aberdeen radar (KABR), 72 km from the middle of the area, began a volume at 05:47 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
Jun 10, 11:47 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 5.8 hours before the alert went out and 116 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: 94 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 2753 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 12:06 AM CDT, 39 minutes earlier.

Area forecast discussion, Jun 11, 12:06 AM CDT, 39 minutes before

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Hazardous weather outlook, Jun 10, 3:13 PM CDT, 9 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
313 PM CDT SUN JUN 10 2007

MNZ039-046-SDZ007-008-011-112015-
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-
313 PM CDT SUN JUN 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA AND NORTHEAST SOUTH DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS EVENING THROUGH THE OVERNIGHT
ACROSS FAR NORTHEASTERN SOUTH DAKOTA AND EXTREME WEST CENTRAL
MINNESOTA. THE MAIN THREAT FROM ANY STORMS WOULD BE LIGHTNING AND
SMALL HAIL. A FEW STRONG STORMS ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE POSSIBLE BEGINNING TUESDAY AND LASTING THROUGH
WEDNESDAY EVENING. SOME STORMS COULD BECOME SEVERE TUESDAY NIGHT
AND WEDNESDAY...WITH HEAVY RAIN AND HAIL POSSIBLE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED AFTER 10 PM CDT...MAINLY ALONG
AND EAST OF INTERSTATE 29.

SDZ003>006-009-010-112015-
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-
313 PM CDT SUN JUN 10 2007 /213 PM MDT SUN JUN 10 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FEW THUNDERSTORMS ARE POSSIBLE THIS EVENING ACROSS PORTIONS OF NORTH
CENTRAL AND NORTHEASTERN SOUTH DAKOTA. ACTIVITY WILL REMAIN
ISOLATED TO WIDELY SCATTERED IF ANY STORMS CAN DEVELOP. A STRONG
STORM OR TWO MAY FORM WITH SMALL HAIL AND GUSTY WINDS BEING THE
MAIN THREATS. THUNDERSTORMS ARE ALSO POSSIBLE LATER TONIGHT...BUT
ACTIVITY SHOULD REMAIN BELOW SEVERE LIMITS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE POSSIBLE MONDAY EVENING ACROSS CENTRAL SOUTH
DAKOTA. SOME STORMS COULD BECOME SEVERE WITH HAIL AND GUSTY WINDS
BEING THE MAIN THREATS. CHANCES FOR STORMS WILL CONTINUE INTO MID
WEEK WITH HEAVY RAIN POSSIBLE IN SOME LOCATIONS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED...MAINLY BETWEEN 8 PM CDT AND
MIDNIGHT CDT...AND MAINLY ALONG AND SOUTH OF A LINE FROM MOBRIDGE
TO HECLA.

SDZ015>018-033>037-045-048-051-112015-
DEWEY-POTTER-FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
313 PM CDT SUN JUN 10 2007 /213 PM MDT SUN JUN 10 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH
DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS FROM
ANY SEVERE STORMS THAT DEVELOP.

ADDITIONAL THUNDERSTORM REDEVELOPMENT IS POSSIBLE LATE TONIGHT BUT
IS NOT EXPECTED TO BE SEVERE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE POSSIBLE MONDAY EVENING ACROSS CENTRAL SOUTH
DAKOTA. SOME STORMS COULD BECOME SEVERE WITH HAIL AND GUSTY WINDS
BEING THE MAIN THREATS. CHANCES FOR STORMS WILL CONTINUE INTO MID
WEEK WITH HEAVY RAIN POSSIBLE IN SOME LOCATIONS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS REQUESTED UNTIL 10 PM CDT...MAINLY ALONG AND
SOUTH OF A LINE FROM EAGLE BUTTE TO MELLETE. PLEASE REMAIN
VIGILANT. REPORT ANY OBSERVED SEVERE WEATHER TO THE NATIONAL
WEATHER SERVICE OR YOUR LOCAL LAW ENFORCEMENT AGENCY.

SDZ019>023-112015-
CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-
313 PM CDT SUN JUN 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST SOUTH
DAKOTA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 10 PM CDT THIS
EVENING...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS FROM
ANY SEVERE STORMS THAT DEVELOP.

ADDITIONAL THUNDERSTORM REDEVELOPMENT IS POSSIBLE LATE TONIGHT BUT
IS NOT EXPECTED TO BE SEVERE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE POSSIBLE BEGINNING TUESDAY AND LASTING THROUGH
WEDNESDAY EVENING. SOME STORMS COULD BECOME SEVERE TUESDAY NIGHT
AND WEDNESDAY...WITH HEAVY RAIN AND HAIL POSSIBLE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS REQUESTED UNTIL 10 PM CDT...MAINLY ALONG AND
SOUTH OF A LINE FROM BRADLEY TO MILBANK. PLEASE REMAIN VIGILANT.
REPORT ANY OBSERVED SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE OR YOUR LOCAL LAW ENFORCEMENT AGENCY.

DORN

In the hours before

Local storm report, Jun 10, 6:51 PM CDT, 5 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
651 PM CDT SUN JUN 10 2007

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

0625 PM     HAIL             6 SW SISSETON           45.60N 97.13W
06/10/2007  E1.00 INCH       ROBERTS            SD   PUBLIC

&&

ATG

Local storm report, Jun 10, 7:13 PM CDT, 5 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
713 PM CDT SUN JUN 10 2007

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

0710 PM     HAIL             10 SE SISSETON          45.56N 96.90W
06/10/2007  E0.75 INCH       ROBERTS            SD   TRAINED SPOTTER

&&

ATG

Local storm report, Jun 10, 7:19 PM CDT, 5 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
719 PM CDT SUN JUN 10 2007

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

0710 PM     HAIL             BROWNS VALLEY           45.59N 96.83W
06/10/2007  E0.88 INCH       TRAVERSE           MN   FIRE DEPT/RESCUE

            HEAVY RAIN AS WELL

&&

ATG

Local storm report, Jun 10, 8:28 PM CDT, 4 hours 17 minutes before

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Local storm report, Jun 10, 9:40 PM CDT, 3 hours 5 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
Jun 10, 10:23 PM CDT	Severe Thunderstorm Warning	ABR	Corson	52 min
Jun 10, 11:04 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson	41 min
Jun 10, 11:15 PM CDT	Severe Thunderstorm Warning	ABR	Corson	45 min
Jun 10, 11:27 PM CDT	Severe Thunderstorm Warning	ABR	Campbell	22 min
Jun 10, 11:54 PM CDT	Severe Thunderstorm Warning	ABR	Corson	36 min
Jun 11, 1:21 AM CDT	Severe Thunderstorm Warning	ABR	McPherson	24 min
Jun 11, 1:22 PM CDT	Flash Flood Watch	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	50 hr
Jun 11, 6:19 PM CDT	Severe Thunderstorm Warning	ABR	Corson	56 min
Jun 11, 6:49 PM CDT	Severe Thunderstorm Warning	ABR	Dewey	56 min
Jun 10, 7:59 PM CDT	Severe Thunderstorm Warning	ABR	Big Stone, Traverse	30 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2007 Every severe thunderstorm warning in 2007

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.