Alert archive / Wisconsin / Winter Weather Advisories in 2015
Winter Weather Advisory 13, NWS La Crosse, WI
NWS La Crosse, WI issued this winter weather advisory at Apr 9, 2015, 3:28 PM CDT for Taylor County, Wisconsin. It took effect at Apr 9, 2015, 9:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 9, 2015, 3:28 PM CDT (20:28 UTC)
- In effect from
- Apr 9, 2015, 9:00 PM CDT
- Expired
- Apr 10, 2015, 3:03 AM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
County Taylor County, WI
The radar
The La Crosse radar (KARX), 164 km from the middle of the area, began a volume at 20:31 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
Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 399 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
- 101 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
What forecasters said that day
The local office's own words before this winter weather advisory 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 winter weather advisory went out at Apr 9, 12:43 PM CDT, 2 hours 45 minutes earlier.
Area forecast discussion, Apr 9, 12:43 PM CDT, 2 hours 45 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 440 AM CDT THU APR 9 2015 WIZ017-029-101100- TAYLOR-CLARK- 440 AM CDT THU APR 9 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS NORTH CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL BE POSSIBLE TODAY. LIGHTNING WILL BE THE MAIN THREAT WITH THESE STORMS. RAIN MAY MIX WITH AND CHANGE TO SNOW TONIGHT. A SLUSHY INCH OF SNOWFALL IS POSSIBLE...MAINLY ON GRASSY SURFACES AND ALONG AND NORTH OF HIGHWAY 29. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT...TUESDAY...AND WEDNESDAY. IT IS TOO EARLY TO DETERMINE IF THERE IS A SEVERE THREAT WITH ANY OF THESE POTENTIAL THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... RAINFALL AND OR SNOW REPORTS WOULD BE GREATLY APPRECIATED TODAY AND TONIGHT. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. IAZ008>011-018-019-029-MNZ079-086>088-094>096-WIZ032>034-041>044- 053-101100- MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-BUFFALO- TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON- 440 AM CDT THU APR 9 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS NORTHEAST IOWA... SOUTHEAST MINNESOTA AND WEST CENTRAL INTO CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL BE POSSIBLE TODAY. LIGHTNING WILL BE THE MAIN THREAT WITH ANY THUNDERSTORMS. ANY STORMS SOUTH OF INTERSTATE 90 MAY PRODUCE SOME HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT...TUESDAY...AND WEDNESDAY. IT IS TOO EARLY TO DETERMINE IF THERE IS A SEVERE THREAT WITH ANY OF THESE POTENTIAL THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... RAINFALL AND SEVERE WEATHER REPORTS WOULD BE GREATLY APPRECIATED THROUGH THIS EVENING. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. IAZ030-WIZ054-055-061-101100- CLAYTON-CRAWFORD-RICHLAND-GRANT- 440 AM CDT THU APR 9 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA AND SOUTHWEST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL BE POSSIBLE TODAY. A FEW OF THESE COULD BE SEVERE. DAMAGING WINDS...LARGE HAIL...AND ISOLATED TORNADOES WILL BE POSSIBLE MAINLY THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT...TUESDAY...AND WEDNESDAY. IT IS TOO EARLY TO DETERMINE IF THERE IS A SEVERE THREAT WITH ANY OF THESE POTENTIAL THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS MAY BE NEEDED THIS AFTERNOON. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. BOYNE
In the hours before
Local storm report, Apr 9, 9:43 AM CDT, 5 hours 45 minutes before
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</html>The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:05 PM CDT | Areal Flood Advisory | ARX | Grant | 3 hr |
| Apr 9, 5:29 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 30 min |
| Apr 9, 5:22 PM CDT | Special Weather Statement | ARX | Clayton | 23 min |
| Apr 9, 8:43 AM CDT | Special Weather Statement | ARX | Houston | 47 min |
Nearby
Winter Weather Advisories in Wisconsin, 2015Every winter weather advisory in 2015
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.