Alert archive / Wisconsin / Wind Advisories in 2020

Wind Advisory 3, NWS Green Bay, WI

April 29, 2020Brown County, Wisconsin

NWS Green Bay, WI issued this wind advisory at Apr 29, 2020, 12:16 PM CDT for Brown County, Wisconsin. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2020, 12:16 PM CDT (17:16 UTC)
Expired
Apr 29, 2020, 7:00 PM CDT
In force
7 hr
Issued by
NWS Green Bay, WI

County Brown County, WI

The radar

The Green Bay radar (KGRB), 10 km from the middle of the area, began a volume at 17:17 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, 5.3 hours before the alert went out and 9 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 12:00Z on 2020-04-29Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.1939587897Sfc1 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
579 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

534 
WWUS73 KGRB 291716
NPWGRB

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
1216 PM CDT Wed Apr 29 2020

WIZ039-300000-
/O.NEW.KGRB.WI.Y.0003.200429T1716Z-200430T0000Z/
Brown-
Including the city of Green Bay
1216 PM CDT Wed Apr 29 2020

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Northeast winds around 25 mph with gusts up to 50 mph.

* WHERE...Brown County.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects and
  lightweight shelters. Tree limbs could be blown down and a few 
  power outages may result.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
1 follow-up statement
013 
WWUS73 KGRB 292349
NPWGRB

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
649 PM CDT Wed Apr 29 2020

WIZ039-300100-
/O.EXP.KGRB.WI.Y.0003.000000T0000Z-200430T0000Z/
Brown-
Including the city of Green Bay
649 PM CDT Wed Apr 29 2020

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

Winds are slowly decreasing this evening, and speeds will continue
to fall during the overnight hours. North winds of 15 to 25 mph
with gusts of 35 to 40 mph will still be possible this evening
before winds ease later tonight. 

$$

Kurimski

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 1:05 AM CDTLakeshore Flood WarningGRBBrown, Oconto18 hr
Apr 29, 4:53 AM CDTGale WarningGRB32 hr
Apr 29, 11:14 AM CDTRiver Flood WarningGRBBrown7 hr
Apr 29, 11:42 AM CDTSpecial Weather StatementGRBBrown93 min

Nearby

Wind Advisories in Wisconsin, 2020Every wind advisory 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.