Alert archive / Wisconsin / Flash Flood Watches in 2015

Flash Flood Watch 1, NWS Green Bay, WI

June 10, 201518 counties in Wisconsin

NWS Green Bay, WI issued this flash flood watch at Jun 10, 2015, 3:02 PM CDT for 18 counties in Wisconsin. It took effect at Jun 11, 2015, 4:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Jun 10, 2015, 3:02 PM CDT (20:02 UTC)
In effect from: Jun 11, 2015, 4:00 PM CDT
Expired: Jun 11, 2015, 1:07 PM CDT
In force
Issued by: NWS Green Bay, WI
Flood severity: None

Counties Brown County, WI, Calumet County, WI, Door County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 20:00 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

Davenport, (KDVN), launched 12:00Z, 8.0 hours before the alert went out and 368 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 940 J/kg
Mixed-layer CIN: -218 J/kg
Mixed-layer LCL: 1786 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Green Bay, WI wrote its last area forecast discussion before this flash flood watch went out at Jun 10, 2:49 PM CDT, 13 minutes earlier.

Area forecast discussion, Jun 10, 2:49 PM CDT, 13 minutes before

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Hazardous weather outlook, Jun 10, 2:53 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 11:49 PM CDT	Special Weather Statement	GRB	Vilas	56 min
Jun 10, 12:21 AM CDT	Special Weather Statement	GRB	Vilas	39 min
Jun 10, 12:29 AM CDT	Special Weather Statement	GRB	Vilas	46 min
Jun 10, 12:32 AM CDT	Severe Thunderstorm Warning	GRB	Vilas	30 min
Jun 10, 1:40 AM CDT	Special Weather Statement	GRB	Florence	35 min
Jun 10, 3:01 AM CDT	Special Weather Statement	GRB	Door	29 min

Nearby

Flash Flood Watches in Wisconsin, 2015 Every flash flood watch in 2015

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.