Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS La Crosse, WI

May 31, 2016Lafayette County, Wisconsin

NWS La Crosse, WI issued this special weather statement at May 31, 2016, 12:41 AM CDT for Lafayette County, Wisconsin. It was in force for 34 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: May 31, 2016, 12:41 AM CDT (05:41 UTC)
Expired: May 31, 2016, 1:15 AM CDT
In force: 34 min
Issued by: NWS La Crosse, WI

County Lafayette County, WI

The radar

The Quad Cities radar (KDVN), 111 km from the middle of the area, began a volume at 05:43 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 00:00Z, 5.7 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 585 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 2013 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 May 30, 11:45 PM CDT, 56 minutes earlier.

Area forecast discussion, May 30, 11:45 PM CDT, 56 minutes before

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Hazardous weather outlook, May 30, 7:07 PM CDT, 5 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
707 PM CDT MON MAY 30 2016

MNZ079-086>088-095-096-WIZ017-029-032>034-041>044-053>055-061-
311115-
WABASHA-DODGE-OLMSTED-WINONA-FILLMORE-HOUSTON-TAYLOR-CLARK-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
707 PM CDT MON MAY 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL
WISCONSIN.

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE INTO PORTIONS OF
SOUTHEAST MINNESOTA AND NORTHEAST IOWA THIS EVENING THEN SPREAD
NORTHEAST ACROSS THE MISSISSIPPI RIVER AFTER MIDNIGHT. THE MAIN
THREAT FROM THESE STORMS WILL BE LIGHTNING...SMALL HAIL...AND
SOME BRIEF HEAVY DOWNPOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE EXPECTED TUESDAY INTO TUESDAY NIGHT. A FEW OF
THESE STORMS MAY BECOME STRONG TO SEVERE IN THE AFTERNOON AND
EVENING. THE MAIN SEVERE WEATHER THREATS WILL BE HAIL UP TO THE
SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH. LOCALIZED HEAVY
RAINFALL COULD BE SEEN AS WELL WHICH MAY PRODUCE SOME PONDING OF
WATER.

THERE ARE ADDITIONAL CHANCES FOR THUNDERSTORMS FROM FRIDAY
AFTERNOON INTO THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

IAZ008>011-018-019-029-030-MNZ094-311115-
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-
707 PM CDT MON MAY 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IOWA...NORTHEAST IOWA AND SOUTHEAST MINNESOTA.

.DAY ONE...TONIGHT

SCATTERED STRONG THUNDERSTORMS ARE POSSIBLE...MAINLY THIS
EVENING. HAIL UP TO NICKEL SIZE AND WIND GUSTS TO 40 MPH WILL BE
THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE EXPECTED TUESDAY INTO TUESDAY NIGHT. A FEW OF
THESE STORMS MAY BECOME STRONG TO SEVERE IN THE AFTERNOON AND
EVENING. THE MAIN SEVERE WEATHER THREATS WILL BE HAIL UP TO THE
SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH. LOCALIZED HEAVY
RAINFALL COULD BE SEEN AS WELL WHICH MAY PRODUCE SOME PONDING OF
WATER.

THERE ARE ADDITIONAL CHANCES FOR THUNDERSTORMS FROM FRIDAY
AFTERNOON INTO THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

WETENKAMP

In the hours before

Special weather statement, May 30, 7:38 PM CDT, 5 hours 3 minutes before

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Special weather statement, May 30, 7:42 PM CDT, 4 hours 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
742 PM CDT MON MAY 30 2016

IAZ029-310115-
FAYETTE-
742 PM CDT MON MAY 30 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN FAYETTE COUNTY...

AT 742 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER FAIRBANK...OR
NEAR OELWEIN...MOVING NORTHEAST AT 15 MPH.

WINDS IN EXCESS OF 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
OELWEIN...MAYNARD...WESTGATE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4264 9208 4284 9208 4291 9204 4276 9173
      4264 9188
TIME...MOT...LOC 0042Z 209DEG 14KT 4266 9205

WETENKAMP

Local storm report, May 30, 8:06 PM CDT, 4 hours 35 minutes before

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Local storm report, May 30, 8:25 PM CDT, 4 hours 16 minutes before

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Special weather statement, May 30, 9:27 PM CDT, 3 hours 14 minutes before

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Special weather statement, May 31, 12:41 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 3:20 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, La Crosse, Monroe	25 min
May 31, 4:05 PM CDT	Severe Thunderstorm Warning	ARX	Jackson	25 min
May 30, 7:00 PM CDT	Special Weather Statement	ARX	Floyd	30 min
May 30, 7:38 PM CDT	Special Weather Statement	ARX	Mitchell	37 min
May 30, 7:42 PM CDT	Special Weather Statement	ARX	Fayette	33 min
May 30, 7:53 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	67 min
May 30, 8:35 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Fayette, Winneshiek	40 min
May 30, 9:37 PM CDT	Areal Flood Advisory	ARX	Fayette	3 hr

Nearby

Special Weather Statements in Wisconsin, 2016 Every 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.