Alert archive / Wisconsin / Mesoscale Discussions in 2007
Mesoscale Discussion 1910
The Storm Prediction Center issued this mesoscale discussion at Aug 28, 2007, 3:48 AM CDT for 14 counties in Wisconsin. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Aug 28, 2007, 3:48 AM CDT (08:48 UTC)
- Expired
- Aug 28, 2007, 5:15 AM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
Counties Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Menominee County, WI, Oneida County, WI, Price County, WI, Rusk County, WI, Shawano County, WI, Taylor County, WI
The radar
The La Crosse radar (KARX), 174 km from the middle of the area, began a volume at 08:49 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.8 hours before the alert went out and 184 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
- 1189 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
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 |
|---|---|---|---|---|
| Aug 27, 9:05 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Douglas | 55 min |
| Aug 28, 1:50 AM CDT | Mesoscale Discussion | SPC | Barron, Dunn, Polk, Saint Croix | 55 min |
| Aug 28, 1:56 AM CDT | Severe Thunderstorm Watch | SPC | Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more | 3 hr |
| Aug 28, 4:17 AM CDT | Severe Thunderstorm Watch | SPC | Clark, Door, Florence, Forest, Langlade, Lincoln and 7 more | 4 hr |
| Aug 28, 11:58 AM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Clark, Dunn, Eau Claire and 24 more | 62 min |
| Aug 28, 12:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Barron, Brown, Buffalo, Calumet, Chippewa and 34 more | 8 hr |
| Aug 28, 3:24 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Chippewa, Clark, Crawford and 34 more | 66 min |
| Aug 28, 6:04 PM CDT | Mesoscale Discussion | SPC | Crawford, Richland, Vernon | 3 hr |
| Aug 28, 6:28 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Crawford, Fond du Lac and 9 more | 62 min |
Nearby
Mesoscale Discussions in Wisconsin, 2007Every mesoscale discussion in 2007
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.