Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 1, NWS La Crosse, WI
NWS La Crosse, WI issued this frost advisory at May 4, 2021, 3:00 AM CDT for 9 counties in Wisconsin; Wabasha County, Minnesota. It took effect at May 5, 2021, 12:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 4, 2021, 3:00 AM CDT (08:00 UTC)
- In effect from
- May 5, 2021, 12:00 AM CDT
- Expired
- May 5, 2021, 9:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS La Crosse, WI
Counties Wabasha County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Taylor County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 58 km from the middle of the area, began a volume at 08:02 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, 8.0 hours before the alert went out and 222 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
994 WWUS73 KARX 040800 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 300 AM CDT Tue May 4 2021 WIZ017-029-034-042>044-041600- /O.NEW.KARX.FR.Y.0001.210505T0500Z-210505T1400Z/ Taylor-Clark-Jackson-Monroe-Juneau-Adams- Including the cities of Medford, Neillsville, Black River Falls, Sparta, Tomah, Mauston, and Friendship 300 AM CDT Tue May 4 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Taylor, Clark, Jackson, Monroe, Juneau and Adams Counties. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Baumgardt
4 follow-up statements
763 WWUS73 KARX 041538 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 1038 AM CDT Tue May 4 2021 WIZ017-029-034-042>044-050000- /O.CON.KARX.FR.Y.0001.210505T0500Z-210505T1400Z/ Taylor-Clark-Jackson-Monroe-Juneau-Adams- Including the cities of Medford, Neillsville, Black River Falls, Sparta, Tomah, Mauston, and Friendship 1038 AM CDT Tue May 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 29 will result in frost formation. * WHERE...Monroe, Juneau, Adams, Jackson, Clark and Taylor Counties. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Kurz
362 WWUS73 KARX 041858 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 158 PM CDT Tue May 4 2021 MNZ079-WIZ032-033-041-050300- /O.EXA.KARX.FR.Y.0001.210505T0500Z-210505T1400Z/ Wabasha-Buffalo-Trempealeau-La Crosse- Including the cities of Wabasha, Alma, Arcadia, Whitehall, and La Crosse 158 PM CDT Tue May 4 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Widespread frost. * WHERE...In Wisconsin, Buffalo, Trempealeau and La Crosse Counties. In Minnesota, Wabasha County. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ017-029-034-042>044-050300- /O.CON.KARX.FR.Y.0001.210505T0500Z-210505T1400Z/ Taylor-Clark-Jackson-Monroe-Juneau-Adams- Including the cities of Medford, Neillsville, Black River Falls, Sparta, Tomah, Mauston, and Friendship 158 PM CDT Tue May 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Widespread frost. * WHERE...Monroe, Juneau, Adams, Clark, Taylor and Jackson Counties. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Boyne
452 WWUS73 KARX 050122 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 822 PM CDT Tue May 4 2021 MNZ079-WIZ017-029-032>034-041>044-051000- /O.CON.KARX.FR.Y.0001.210505T0500Z-210505T1400Z/ Wabasha-Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe- Juneau-Adams- Including the cities of Wabasha, Medford, Neillsville, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, and Friendship 822 PM CDT Tue May 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Widespread frost. * WHERE...In Wisconsin, La Crosse, Monroe, Juneau, Adams, Trempealeau, Buffalo, Clark, Taylor and Jackson Counties. In Minnesota, Wabasha County. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Zapotocny
479 WWUS73 KARX 050852 NPWARX URGENT - WEATHER MESSAGE National Weather Service La Crosse WI 352 AM CDT Wed May 5 2021 MNZ079-WIZ017-029-032>034-041>044-051400- /O.CON.KARX.FR.Y.0001.000000T0000Z-210505T1400Z/ Wabasha-Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe- Juneau-Adams- Including the cities of Wabasha, Medford, Neillsville, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, and Friendship 352 AM CDT Wed May 5 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Widespread frost. * WHERE...In Wisconsin, La Crosse, Monroe, Juneau, Adams, Trempealeau, Buffalo, Clark, Taylor and Jackson Counties. In Minnesota, Wabasha County. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ 04
Nearby
Frost Advisories in Wisconsin, 2021Frost Advisories in Minnesota, 2021Every frost advisory in 2021
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.