Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 47, NWS Rapid City, SD

June 9, 2000Haakon County, South Dakota

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 9, 2000, 4:54 PM MDT for Haakon County, South Dakota. It was in force for 46 min. 1 report 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 9, 2000, 4:54 PM MDT (22:54 UTC)
Expired: Jun 9, 2000, 5:40 PM MDT
In force: 46 min
Issued by: NWS Rapid City, SD
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Haakon County, SD

The radar

The Rapid City radar (KUDX), 105 km from the middle of the area, began a volume at 22:58 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 9, 5:30 PM MDT	Hail 0.75	Ottumwa, 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 nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 10.9 hours before the alert went out and 110 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: 3301 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 53 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 Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 9, 3:00 PM MDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jun 9, 3:00 PM MDT, 1 hour 54 minutes before

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
300 PM MDT FRI JUN 9 2000

LITTLE TIME TO TYPE ATTM SO WILL BE BRIEF. UPPER VORT WORKING ITS
WAY ACROSS WY ATTM WITH NR SVR CONVECTION OVR THE FAR NW PTN OF CWA.
WITH FNT EXTENDING FROM FAR NRN WY THROUGH NW SD INTO NE ND...HIGHER
DWPTS CONFINED TO AREAS N OF FNT WITH DRY DOWNSLOPE AIR AHEAD OF IT.
BEST CAPES AND SHEAR N OF FNT...AND THUS EXPECT BEST SVR CHC THERE
WITH MUCH LESS CHC FURTHER S TOWARDS RAP AND CNTRL.SRN BLK HLS. IN
THE HILLS MAIN PROBLEM WILL BE POTENTIAL FOR DRY LIGHTNING FOLLOWED
BY CD FNT PASSAGE OVERNIGHT. CONTINUE RED FLAG WARNING FOR BLK HLS
FOR THESE REASSONS, PLUS 10 HOUR FM IN THE 3 TO 5% RANGE. AFTER THAT
IT LOOKS QUIET FOR A WHILE WITH WITH CHC OF NOCTURNAL CONVECTION SAT
NIGHT AND SUN NIGHT. FOR TEMPS FOLLOWED MAV/FWC COMPROMISE.

.UNR...NONE.
BAILEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 4:10 PM MDT	Severe Thunderstorm Warning	UNR	Haakon, Jackson	45 min
Jun 9, 4:21 PM MDT	Severe Thunderstorm Warning	UNR	Harding	59 min
Jun 9, 4:39 PM MDT	Severe Thunderstorm Warning	UNR	Haakon	46 min
Jun 9, 5:44 PM MDT	Severe Thunderstorm Warning	UNR	Harding	61 min
Jun 9, 3:27 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2000 Every severe thunderstorm warning in 2000

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.