Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 14, NWS Aberdeen, SD

June 6, 2015Traverse County, Minnesota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 6, 2015, 5:58 PM CDT for Traverse County, Minnesota. It was in force for 32 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 6, 2015, 5:58 PM CDT (22:58 UTC)
Expired: Jun 6, 2015, 6:30 PM CDT
In force: 32 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Traverse County, MN

The radar

The Aberdeen radar (KABR), 155 km from the middle of the area, began a volume at 23:02 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 6, 5:05 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.0 hours before the alert went out and 179 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: 42 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 6, 3:28 PM CDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jun 6, 3:28 PM CDT, 2 hours 30 minutes before

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Hazardous weather outlook, Jun 6, 4:09 AM CDT, 13 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
409 AM CDT SAT JUN 6 2015

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-070915-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
409 AM CDT SAT JUN 6 2015

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

.DAY ONE...TODAY AND TONIGHT

A FEW SEVERE STORMS ARE POSSIBLE THIS AFTERNOON WITH THE MAIN
THREAT BEING HAIL AND STRONG WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AN ISOLATED STORM OR TWO IS POSSIBLE ACROSS NORTHEAST SOUTH DAKOTA
INTO WESTERN MINNESOTA FOR SUNDAY AFTERNOON. WIDESPREAD SEVERE
WEATHER IS UNLIKELY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON.

CONNELLY

In the hours before

Special weather statement, Jun 6, 5:09 PM CDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
509 PM CDT SAT JUN 6 2015

MNZ039-SDZ008-062245-
TRAVERSE MN-ROBERTS SD-
509 PM CDT SAT JUN 6 2015

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL TRAVERSE AND NORTHEASTERN
ROBERTS COUNTIES UNTIL 545 PM CDT...

AT 508 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ROSHOLT...OR 12 MILES WEST OF WHEATON...MOVING EAST AT 35 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WHEATON...ROSHOLT...DUMONT...WHITE ROCK...SILVER BRIDGE...HALLS
LANDING...MUD LAKE LANDING...WHITEROCK COLONY AND LAKE TRAVERSE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4598 9650 4571 9636 4573 9683 4582 9685
      4594 9659 4594 9656 4595 9656
TIME...MOT...LOC 2208Z 266DEG 29KT 4580 9676

TDK

Special weather statement, Jun 6, 5:51 PM CDT, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
551 PM CDT SAT JUN 6 2015

MNZ039-062330-
TRAVERSE MN-
551 PM CDT SAT JUN 6 2015

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL TRAVERSE COUNTY
UNTIL 630 PM CDT...

AT 551 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
WHEATON...MOVING EAST AT 30 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WHEATON AND DUMONT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
WEST CENTRAL MINNESOTA.

LAT...LON 4569 9656 4587 9656 4587 9655 4589 9626
      4567 9626
TIME...MOT...LOC 2251Z 270DEG 24KT 4578 9646

TDK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 6:22 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Hamlin	23 min
Jun 6, 5:09 PM CDT	Special Weather Statement	ABR	Traverse	36 min
Jun 6, 5:51 PM CDT	Special Weather Statement	ABR	Traverse	39 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning in 2015

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.