Alert archive / Wisconsin / Special Weather Statements in 2015
Special Weather Statement, NWS La Crosse, WI
NWS La Crosse, WI issued this special weather statement at Jul 12, 2015, 11:33 PM CDT for Buffalo County, Taylor County, Trempealeau County, Wisconsin. It was in force for 117 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
- Jul 12, 2015, 11:33 PM CDT (04:33 UTC)
- Expired
- Jul 13, 2015, 1:30 AM CDT
- In force
- 117 min
- Issued by
- NWS La Crosse, WI
Counties Buffalo County, WI, Taylor County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 81 km from the middle of the area, began a volume at 04:37 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, 4.6 hours before the alert went out and 177 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
- 3598 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1040 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 12.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</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 Jul 12, 6:40 PM CDT, 4 hours 53 minutes earlier.
Area forecast discussion, Jul 12, 6:40 PM CDT, 4 hours 53 minutes before
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</html>Hazardous weather outlook, Jul 12, 10:30 PM CDT, 1 hour 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 1030 PM CDT SUN JUL 12 2015 IAZ008-009-MNZ079-086>088-094-095-WIZ017-029-032>034-140330- MITCHELL-HOWARD-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON- 1030 PM CDT SUN JUL 12 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...CENTRAL WISCONSIN...NORTH CENTRAL WISCONSIN AND WEST CENTRAL WISCONSIN. .DAY ONE...TONIGHT A ROUND OF SEVERE WEATHER IS LIKELY TONIGHT AS A COMPLEX OF STORMS MOVES OUT OF CENTRAL MINNESOTA AND ACROSS THE AREA. THE COMPLEX OF STORMS SHOULD MOVE SOUTHEAST ACROSS THE AREA IN THE 12 AM TO 3 AM WINDOW. DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREATS. IF THE SYSTEM MOVES THROUGH AS A SOLID LINE OF STORMS...MORE WIDESPREAD DAMAGING WINDS WOULD BE THE MAIN THREAT. VERY FREQUENT LIGHTNING AND A QUICK 1-2 INCHES OF RAIN ARE ALSO EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SCATTERED STORMS WILL BE POSSIBLE MONDAY AFTERNOON AND EVENING... ESPECIALLY IN WISCONSIN. SHOULD STORMS DEVELOP...LARGE HAIL...DAMAGING WINDS...AND BRIEF HEAVY RAINS ARE THE THREATS. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FROM TUESDAY THROUGH SATURDAY. AT THIS TIME...IT IS TOO EARLY TO DETERMINE IF THERE IS A SEVERE THREAT WITH ANY OF THESE STORMS .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED TONIGHT. SPOTTER REPORTS ARE VERY APPRECIATED OVERNIGHT...EVEN FROM YOUR HOME...AS WE UNDERSTAND IT MAY BE THE MIDDLE OF THE NIGHT. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. IAZ010-011-018-019-029-030-MNZ096-WIZ041>044-053>055-061-140330- WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-CLAYTON-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- 1030 PM CDT SUN JUL 12 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...CENTRAL WISCONSIN...SOUTHWEST WISCONSIN AND WEST CENTRAL WISCONSIN. .DAY ONE...TONIGHT A ROUND OF SEVERE WEATHER IS LIKELY TONIGHT AS A COMPLEX OF STORMS MOVES OUT OF CENTRAL MINNESOTA AND ACROSS THE AREA. THE COMPLEX OF STORMS SHOULD MOVE SOUTHEAST ACROSS THE AREA IN THE 3 AM TO 6 AM WINDOW. DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREATS. IF THE SYSTEM MOVES THROUGH AS A SOLID LINE OF STORMS...MORE WIDESPREAD DAMAGING WINDS WOULD BE THE MAIN THREAT. VERY FREQUENT LIGHTNING AND A QUICK 1-2 INCHES OF RAIN ARE ALSO EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SCATTERED STORMS WILL BE POSSIBLE MONDAY AFTERNOON AND EVENING... ESPECIALLY IN WISCONSIN. SHOULD STORMS DEVELOP...LARGE HAIL...DAMAGING WINDS...AND BRIEF HEAVY RAINS ARE THE THREATS. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FROM TUESDAY THROUGH SATURDAY. AT THIS TIME...IT IS TOO EARLY TO DETERMINE IF THERE IS A SEVERE THREAT WITH ANY OF THESE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED TONIGHT. SPOTTER REPORTS ARE VERY APPRECIATED OVERNIGHT...EVEN FROM YOUR HOME...AS WE UNDERSTAND IT MAY BE THE MIDDLE OF THE NIGHT. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. ROGERS
In the hours before
Special weather statement, Jul 12, 11:33 PM CDT, 0 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 |
|---|---|---|---|---|
| Jul 13, 12:47 AM CDT | Special Weather Statement | ARX | Clark, Jackson, Taylor | 58 min |
| Jul 13, 1:10 AM CDT | Special Weather Statement | ARX | Buffalo, Trempealeau | 65 min |
| Jul 13, 1:42 AM CDT | Special Weather Statement | ARX | La Crosse | 63 min |
| Jul 13, 1:50 AM CDT | Special Weather Statement | ARX | Adams, Juneau, Monroe | 55 min |
| Jul 13, 2:11 AM CDT | Special Weather Statement | ARX | Crawford, Richland, Vernon | 94 min |
| Jul 13, 2:24 AM CDT | Special Weather Statement | ARX | Adams, Juneau | 66 min |
| Jul 13, 2:39 AM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 51 min |
| Jul 13, 3:03 AM CDT | Special Weather Statement | ARX | Grant | 117 min |
| Jul 13, 2:49 PM CDT | Special Weather Statement | ARX | Buffalo, Trempealeau | 26 min |
| Jul 13, 3:14 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 61 min |
| Jul 13, 4:08 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 52 min |
| Jul 13, 4:28 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 62 min |
| Jul 13, 4:39 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 66 min |
| Jul 13, 4:55 PM CDT | Special Weather Statement | ARX | Clark, Taylor | 65 min |
| Jul 13, 5:03 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe | 31 min |
| Jul 13, 5:13 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Richland, Vernon | 77 min |
| Jul 13, 5:37 PM CDT | Special Weather Statement | ARX | Jackson, Trempealeau | 53 min |
| Jul 13, 5:40 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 50 min |
| Jul 13, 6:23 PM CDT | Special Weather Statement | ARX | Buffalo, Jackson, Trempealeau | 52 min |
| Jul 13, 6:32 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 43 min |
Nearby
Special Weather Statements in Wisconsin, 2015Every special weather statement 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.