Alert archive / Wisconsin / Heat Advisories in 2011

Heat Advisory 3, NWS Green Bay, WI

July 19, 201111 counties in Wisconsin

NWS Green Bay, WI issued this heat advisory at Jul 19, 2011, 3:02 PM CDT for 11 counties in Wisconsin. It took effect at Jul 20, 2011, 12:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 19, 2011, 3:02 PM CDT (20:02 UTC)
In effect from: Jul 20, 2011, 12:00 PM CDT
Expired: Jul 20, 2011, 8:00 PM CDT
In force: 8 hr
Issued by: NWS Green Bay, WI

Counties Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marinette County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 89 km from the middle of the area, began a volume at 20:07 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, 8.0 hours before the alert went out and 91 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: 1299 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 875 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jul 19, 4:25 AM CDT, 10 hours 37 minutes earlier.

Area forecast discussion, Jul 19, 4:25 AM CDT, 10 hours 37 minutes before

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Hazardous weather outlook, Jul 19, 11:42 AM CDT, 3 hours 20 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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
Jul 19, 3:01 AM CDT	Marine Dense Fog Advisory	GRB		7 hr

Nearby

Heat Advisories in Wisconsin, 2011 Every heat advisory in 2011

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.