Alert archive / South Dakota / Mesoscale Discussions in 2003
Mesoscale Discussion 2381
The Storm Prediction Center issued this mesoscale discussion at Sep 17, 2003, 9:54 PM CDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 17, 2003, 9:54 PM CDT (02:54 UTC)
- Expired
- Sep 18, 2003, 12:00 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 59 counties
Big Stone County, MN, Chippewa County, MN, Douglas County, MN, Grant County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Otter Tail County, MN, Pipestone County, MN, Pope County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Wilkin County, MN, Yellow Medicine County, MN, Richland County, ND, Sargent County, ND, Antelope County, NE, Boyd County, NE, Cedar County, NE, Garfield County, NE, Holt County, NE, Knox County, NE, Pierce County, NE, Rock County, NE, Valley County, NE, Wheeler County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Douglas County, SD, Grant County, SD, Gregory County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Turner County, SD, Yankton County, SD
The radar
The Aberdeen radar (KABR), 124 km from the middle of the area, began a volume at 02:56 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 nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.9 hours before the alert went out and 104 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>Nearby
Mesoscale Discussions in South Dakota, 2003Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in Nebraska, 2003Every mesoscale discussion in 2003
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.