Alert archive / Wisconsin / Mesoscale Discussions in 2016
Mesoscale Discussion 941
The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2016, 5:43 PM CDT for 12 counties in Wisconsin. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jun 15, 2016, 5:43 PM CDT (22:43 UTC)
- Expired
- Jun 15, 2016, 7:15 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
Counties Brown County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Marquette County, WI, Outagamie County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 51 km from the middle of the area, began a volume at 22:46 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, 10.7 hours before the alert went out and 51 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.
892
ACUS11 KWNS 152244
SWOMCD
SPC MCD 152243
WIZ000-160015-
MESOSCALE DISCUSSION 0941
NWS STORM PREDICTION CENTER NORMAN OK
0543 PM CDT WED JUN 15 2016
AREAS AFFECTED...ERN WI
CONCERNING...TORNADO WATCH 259...
VALID 152243Z - 160015Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 259 CONTINUES.
SUMMARY...THREAT FOR A FEW DAMAGING WIND GUSTS...HAIL AND A COUPLE
OF TORNADOES WILL PERSIST UNTIL AROUND 0030-01Z OVER ERN WI.
DISCUSSION...BROKEN LINE OF STORMS WITH A FEW EMBEDDED SUPERCELLS
EXTENDS FROM NERN THROUGH SCNTRL WI MOVING EAST AT 25 KT. ACTIVITY
IS FORMING WITHIN ZONE OF DEEP ASCENT ALONG AND JUST AHEAD OF A COLD
FRONT AUGMENTED BY A SEWD-MOVING VORTICITY MAXIMUM. GRB VWP SHOW
CURVED LOW-LEVEL HODOGRAPHS WITH VEERING LOW-LEVEL WINDS AND 0-1 KM
STORM RELATIVE HELICITY AROUND 230 M2/S2 IMMEDIATELY DOWNSTREAM FROM
THE STORMS. MOREOVER...A LAKE BREEZE HAS MOVED INLAND AND CONTINUES
WWD. THE TORNADO THREAT MAY UNDERGO SOME INCREASE THROUGH 00Z AS THE
SUPERCELLS INTERACT WITH THE LAKE BREEZE...FOLLOWED BY A GRADUAL
DECREASE AS THE STORMS MOVE INTO THE MORE STABLE REGIME NEAR THE
COAST.
..DIAL.. 06/15/2016
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRB...MKX...
LAT...LON 45088904 44848840 44588781 44108792 43428818 43288889
43568958 44698935 45088904SPC 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, 3:44 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Dodge, Fond du Lac and 24 more | 2 hr |
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.