Alert archive / Minnesota / Mesoscale Discussions in 2003
Mesoscale Discussion 1520
The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2003, 12:09 PM CDT for 18 counties in Minnesota; 10 counties in North Dakota; 7 counties in South Dakota. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2003, 12:09 PM CDT (17:09 UTC)
- Expired
- Jun 27, 2003, 2:45 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Big Stone County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Douglas County, MN, Grant County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Wilkin County, MN, Yellow Medicine County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Foster County, ND, Griggs County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Brown County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Marshall County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 107 km from the middle of the area, began a volume at 17:12 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 5.2 hours before the alert went out and 144 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2046 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Brown, Chippewa, Cottonwood, Douglas, Grant and 13 more | 6 hr |
| Jun 27, 5:44 PM CDT | Mesoscale Discussion | SPC | Big Stone, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 44 more | 91 min |
| Jun 27, 5:09 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 31 more | 96 min |
Nearby
Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in North Dakota, 2003Mesoscale Discussions in South Dakota, 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.