Alert archive / Wisconsin / Mesoscale Discussions in 2016
Mesoscale Discussion 939
The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2016, 3:44 PM CDT for 30 counties in Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 15, 2016, 3:44 PM CDT (20:44 UTC)
- Expired
- Jun 15, 2016, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Adams County, WI, Brown County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Forest County, WI, Green Lake County, WI, Juneau County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marquette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Ozaukee County, WI, Portage County, WI, Price County, WI, Shawano County, WI, Sheboygan County, WI, Taylor County, WI, Vilas County, WI, Washington County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 118 km from the middle of the area, began a volume at 20:47 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.7 hours before the alert went out and 119 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
- 511 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
445
ACUS11 KWNS 152044
SWOMCD
SPC MCD 152044
WIZ000-MIZ000-152245-
MESOSCALE DISCUSSION 0939
NWS STORM PREDICTION CENTER NORMAN OK
0344 PM CDT WED JUN 15 2016
AREAS AFFECTED...WI
CONCERNING...TORNADO WATCH 259...
VALID 152044Z - 152245Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 259 CONTINUES.
SUMMARY...SEVERE/ISOLATED TORNADO RISK CONTINUES ACROSS TORNADO
WATCH 259 IN WI.
DISCUSSION...LATEST RADAR LOOP SHOWS A BROKEN BAND OF STRONG/LOCALLY
SEVERE STORMS MOVING EWD ACROSS NRN AND CENTRAL WI. THE STRONGEST
CELL -- CURRENTLY MOVING ACROSS ERN JACKSON CO -- CONTINUES TO
EXHIBIT SOME LOW-LEVEL ROTATION. WITH THE AIRMASS NEAR AND S OF
THIS CELL -- I.E. ACROSS THE SRN HALF OF WI -- CONTINUING TO
GRADUALLY DESTABILIZE DOWNSTREAM OF THE NERN MN UPPER LOW...RISK FOR
HAIL AND LOCALLY DAMAGING WINDS AND POSSIBLY A BRIEF TORNADO OR TWO
WILL CONTINUE.
..GOSS.. 06/15/2016
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MQT...GRB...MKX...DLH...ARX...
LAT...LON 44319059 45059051 45899064 46269016 46078887 44268747
43038768 43168967 44319059SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:36 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Grant, Iowa, Jackson, La Crosse and 6 more | 84 min |
| Jun 15, 12:57 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Chippewa, Clark, Columbia and 24 more | 2 hr |
| Jun 15, 2:13 PM CDT | Tornado Watch | SPC | Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 21 more | 6 hr |
| Jun 15, 5:43 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 6 more | 92 min |
Nearby
Mesoscale Discussions in Wisconsin, 2016Every mesoscale discussion in 2016
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.