Alert archive / Wisconsin / Special Weather Statements in 2020

Special Weather Statement, NWS Milwaukee, WI

October 14, 2020Fond du Lac County, Green Lake County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Oct 14, 2020, 9:10 PM CDT for Fond du Lac County, Green Lake County, Wisconsin. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 14, 2020, 9:10 PM CDT (02:10 UTC)
Expired
Oct 14, 2020, 9:45 PM CDT
In force
35 min
Issued by
NWS Milwaukee, WI

Counties Fond du Lac County, WI, Green Lake County, WI

The radar

The Green Bay radar (KGRB), 90 km from the middle of the area, began a volume at 02:12 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.2 hours before the alert went out and 89 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 2020-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2020-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 284 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
284 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this special weather statement went out at Oct 14, 3:26 PM CDT, 5 hours 44 minutes earlier.

Area forecast discussion, Oct 14, 3:26 PM CDT, 5 hours 44 minutes before
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Hazardous weather outlook, Oct 14, 2:21 PM CDT, 6 hours 49 minutes before
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In the hours before

Special weather statement, Oct 14, 9:10 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
910 PM CDT Wed Oct 14 2020

WIZ046-047-051-150245-
Green Lake-Marquette-Fond Du Lac-

...A SHOWER WILL AFFECT NORTHERN GREEN LAKE...NORTHWESTERN FOND DU
LAC AND NORTHEASTERN MARQUETTE COUNTIES...

At 910 PM CDT, a shower was located over Berlin, moving east at 40
mph.

Wind gusts up to 50 mph are possible with this shower.

Locations impacted include...
Fond Du Lac, Ripon, Berlin, North Fond Du Lac, Princeton, Rosendale,
Green Lake, Southern Lake Winnebago, Eldorado, Mecan, Neshkoro, Van
Dyne and West Rosendale.

LAT...LON 4390 8888 4389 8841 4375 8840 4379 8928
      4398 8924 4398 8889
TIME...MOT...LOC 0210Z 268DEG 45KT 4393 8892

RITZMAN

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 2:56 AM CDTFreeze WarningMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more29 hr
Oct 15, 8:50 AM CDTSmall Craft AdvisoryMKX9 hr
Oct 15, 2:20 PM CDTGale WatchMKX24 hr

Nearby

Special Weather Statements in Wisconsin, 2020Every special weather statement in 2020

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.