Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

April 21, 2016Pierce County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Apr 21, 2016, 8:00 PM CDT for Pierce County, Wisconsin. It was in force for 30 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
Apr 21, 2016, 8:00 PM CDT (01:00 UTC)
Expired
Apr 21, 2016, 8:30 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN

County Pierce County, WI

The radar

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 01:03 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

Minneapolis, MN (KMPX), launched 00:00Z, 1.0 hours before the alert went out and 79 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, Minneapolis, MN at 00:00Z on 2016-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 joules per kilogram.LCLEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 2016-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
93 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1202 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

093 
WWUS83 KMPX 220100
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
800 PM CDT THU APR 21 2016

WIZ024-220130-
PIERCE-
800 PM CDT THU APR 21 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN PIERCE COUNTY...

AT 800 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR RIVER FALLS...
MOVING SOUTH AT 20 MPH.

PEA SIZE HAIL AND BRIEF FUNNEL CLOUDS ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
RIVER FALLS...ELLSWORTH AND BELDENVILLE. 

LAT...LON 4467 9267 4486 9269 4485 9256 4468 9244
      4466 9266
TIME...MOT...LOC 0100Z 348DEG 18KT 4479 9264 

$$

ADL

Nearby

Special Weather Statements in Wisconsin, 2016Every special weather statement 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.