Alert archive / Wisconsin / Special Weather Statements in 2018

Special Weather Statement, NWS La Crosse, WI

June 12, 2018Taylor County, Wisconsin

NWS La Crosse, WI issued this special weather statement at Jun 12, 2018, 11:46 PM CDT for Taylor County, Wisconsin. It was in force for 89 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
Jun 12, 2018, 11:46 PM CDT (04:46 UTC)
Expired
Jun 13, 2018, 1:15 AM CDT
In force
89 min
Issued by
NWS La Crosse, WI

County Taylor County, WI

The radar

The La Crosse radar (KARX), 159 km from the middle of the area, began a volume at 04:47 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, 4.8 hours before the alert went out and 190 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 2018-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 515 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
515 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
907 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 La Crosse, WI wrote its last area forecast discussion before this special weather statement went out at Jun 12, 6:58 PM CDT, 4 hours 48 minutes earlier.

Area forecast discussion, Jun 12, 6:58 PM CDT, 4 hours 48 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 12, 8:12 PM CDT, 3 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service La Crosse WI
812 PM CDT Tue Jun 12 2018

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044-
053>055-061-131200-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
La Crosse-Monroe-Juneau-Adams-Vernon-Crawford-Richland-Grant-
812 PM CDT Tue Jun 12 2018

This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.

.DAY ONE...Tonight

Isolated thunderstorms are possible through midnight. Small hail,
gusty winds and lightning are all possible with any storms that
form.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Periodic thunderstorm chances will return Thursday night through
Monday. It remains too early to determine the severe risk with
any of these thunderstorms.

Heat and humidity will increase late in the week and last through the
weekend. Afternoon heat indices both Saturday and Sunday are
likely to reach 100.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

WIZ017-029-032>034-131200-
Taylor-Clark-Buffalo-Trempealeau-Jackson-
812 PM CDT Tue Jun 12 2018

This Hazardous Weather Outlook is for portions of central
Wisconsin...north central Wisconsin and west central Wisconsin.

.DAY ONE...Tonight

A period of thunderstorms is expected this evening and some storms
could be severe. Lightning, large hail and damaging winds are the
main threats with the storms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Periodic thunderstorm chances will return Thursday night through
Monday. It remains too early to determine the severe risk with
any of these thunderstorms.

Heat and humidity will increase late in the week and last through the
weekend. Afternoon heat indices are likely to reach 95 to 100 both
Saturday and Sunday.

.SPOTTER INFORMATION STATEMENT...

Isolated spotter activation is possible this evening.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

Baumgardt

In the hours before

Special weather statement, Jun 12, 10:45 PM CDT, 1 hour 1 minute before
Special Weather Statement
National Weather Service La Crosse WI
1045 PM CDT TUE JUN 12 2018

WIZ017-029-130515-
Taylor-Clark-
1045 PM CDT TUE JUN 12 2018

...THUNDERSTORMS IN NORTHCENTRAL WISCONSIN THROUGH MIDNIGHT...

Showers and thunderstorms will affect Taylor and northern Clark
counties through midnight. The storms will mainly affect areas north
of Highway 29.

Wind gusts to 30 mph, pea size hail, and frequent lightning will
accompany the storms. The threat for severe weather is minimal.

Locations impacted include...
Medford, Thorp, Rib Lake, Dorchester, Lublin, Polley, The Mondeaux
Flowage, and those camping along the Ice Age Trail.

Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4512 9004 4512 9020 4503 9020 4503 9031
      4501 9032 4491 9092 4538 9092 4538 9004
TIME...MOT...LOC 0340Z 234DEG 49KT 4529 9056

DAB
Special weather statement, Jun 12, 11:46 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service La Crosse WI
1146 PM CDT TUE JUN 12 2018

WIZ017-029-130615-
Taylor-Clark-
1146 PM CDT TUE JUN 12 2018

...THUNDERSTORMS IN NORTHCENTRAL WISCONSIN THROUGH 1 AM...

Rounds of showers and thunderstorms continue to affect Taylor and
northern Clark counties. More storms are expected to pass through
the same area through about 1 am and mainly affect areas north of
Highway 29.

Wind gusts to 30 mph, pea size hail, and frequent lightning will
accompany the storms. The threat for severe weather is minimal.

Locations impacted include...
Medford, Thorp, Rib Lake, Dorchester, Lublin, Polley, The Mondeaux
Flowage, and those camping along the Ice Age Trail.

Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle if storms approach.

LAT...LON 4512 9004 4512 9020 4503 9020 4503 9031
      4496 9032 4491 9092 4538 9092 4538 9004
TIME...MOT...LOC 0444Z 234DEG 49KT 4578 8957

DAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:45 PM CDTSpecial Weather StatementARXTaylor90 min
Jun 13, 12:52 AM CDTSpecial Weather StatementARXVernon23 min
Jun 13, 1:07 AM CDTSevere Thunderstorm WarningARXTaylor13 min

Nearby

Special Weather Statements in Wisconsin, 2018Every special weather statement in 2018

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.