Alert archive / South Dakota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 25, NWS Aberdeen, SD

June 10, 1998Brown County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 10, 1998, 6:25 PM CDT for Brown County, South Dakota. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 10, 1998, 6:25 PM CDT (23:25 UTC)
Expired: Jun 10, 1998, 7:10 PM CDT
In force: 45 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Brown County, SD

The radar

The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 23:29 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.

What was reported inside it

Time	Report	Where	Remark
Jun 10, 6:38 PM CDT	Hail 0.88	Aberdeen, SD
Jun 10, 6:42 PM CDT	Hail 0.75	Aberdeen, SD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.4 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.

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 552 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 10, 9:50 AM CDT, 8 hours 35 minutes earlier.

Area forecast discussion, Jun 10, 9:50 AM CDT, 8 hours 35 minutes before

AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD
AND FOR TRAVERSE/BIG STONE COUNTIES OF MN
NATIONAL WEATHER SERVICE ABERDEEN SD
950 AM CDT WED JUN 10 1998

THE POTENTIAL FOR SCATTERED STRONG STORMS THIS AFTERNOON EXISTS ACROSS
THE AREA. WILL MONITOR AND ISSUE NOWCASTS FOR ANY DEVELOPMENT.
OTHERWISE...THE FORECAST HAS A HANDLE ON THE SITUATION. TEMPERATURES
AND WINDS LOOK OK AS WELL SO WILL NOT UPDATE AT THIS TIME.

.ABR...NONE

CB

In the hours before

Special weather statement, Jun 10, 4:06 PM CDT, 2 hours 19 minutes before

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Special weather statement, Jun 10, 4:20 PM CDT, 2 hours 5 minutes before

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Special weather statement, Jun 10, 4:20 PM CDT, 2 hours 5 minutes before

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Local storm report, Jun 10, 4:40 PM CDT, 1 hour 45 minutes before

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Special weather statement, Jun 10, 5:20 PM CDT, 1 hour 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, 2:05 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	45 min
Jun 10, 2:07 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	43 min
Jun 10, 2:11 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo	49 min
Jun 10, 3:17 PM CDT	Severe Thunderstorm Warning	ABR	Faulk, Hand	63 min
Jun 10, 4:31 PM CDT	Severe Thunderstorm Warning	ABR	Spink	64 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.