Alert archive / Iowa / Special Weather Statements in 2016
Special Weather Statement, NWS La Crosse, WI
NWS La Crosse, WI issued this special weather statement at Jul 27, 2016, 7:09 PM CDT for Floyd County, Mitchell County, Iowa. It was in force for 51 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 27, 2016, 7:09 PM CDT (00:09 UTC)
- Expired
- Jul 27, 2016, 8:00 PM CDT
- In force
- 51 min
- Issued by
- NWS La Crosse, WI
Counties Floyd County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 147 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 188 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
- 2 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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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 27, 6:28 PM CDT, 41 minutes earlier.
Area forecast discussion, Jul 27, 6:28 PM CDT, 41 minutes before
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</html>Hazardous weather outlook, Jul 27, 12:13 PM CDT, 6 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 1213 PM CDT WED JUL 27 2016 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-281200- MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU- ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- 1213 PM CDT WED JUL 27 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED. A FEW STORMS COULD BE STRONG TO SEVERE WITH LARGE HAIL AND GUSTY WINDS. THE HIGHER CHANCES FOR SEVERE WEATHER WILL MAINLY BE THIS AFTERNOON INTO EARLY THIS EVENING AND MAINLY NORTH OF INTERSTATE 90. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE WILL BE ON AND OFF SMALL STORM CHANCES THROUGH THE PERIOD. AT THIS TIME...THE THREAT FOR ORGANIZED SEVERE WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. WETENKAMP
In the hours before
Special weather statement, Jul 27, 3:33 PM CDT, 3 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 333 PM CDT WED JUL 27 2016 WIZ029-034-042>044-272200- CLARK-JACKSON-MONROE-JUNEAU-ADAMS- INCLUDING THE CITIES OF...NEILLSVILLE...BLACK RIVER FALLS... SPARTA...TOMAH...MAUSTON...FRIENDSHIP 333 PM CDT WED JUL 27 2016 ...A FEW SLOW MOVING THUNDERSTORMS OVER THE AREA THIS AFTERNOON... SCATTERED THUNDERSTORMS CONTINUED TO DEVELOP OVER PARTS OF CENTRAL WISCONSIN THIS AFTERNOON...MAINLY FROM JUST SOUTHEAST OF NEILLSVILLE TO JUST NORTH OF WISCONSIN DELLS. THESE STORMS WERE MOVING NORTHEAST AROUND 15 MPH. LOCALLY HEAVY RAINS...LIGHTNING...SMALL HAIL AND GUSTY WINDS CAN BE EXPECTED WITH ANY STRONGER STORMS. IF ONE OF THESE STORMS APPROACHES YOUR AREA...MOVE INDOORS UNTIL IT PASSES. RRS
Special weather statement, Jul 27, 4:18 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
418 PM CDT WED JUL 27 2016
WIZ029-272145-
CLARK-
418 PM CDT WED JUL 27 2016
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CLARK COUNTY...
AT 417 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER LOYAL...OR 12
MILES NORTHEAST OF NEILLSVILLE...MOVING NORTHEAST AT 20 MPH.
WINDS IN EXCESS OF 30 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.
THIS STORM WILL BE NEAR...
COLBY...ABBOTSFORD...ABBOTSFORD AND DORCHESTER AROUND 445 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE
COLBY...UNITY...CURTISS... ATWOOD AND RIPLINGER.
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 4500 9031 4470 9032 4461 9040 4470 9062
4503 9045 4503 9042
TIME...MOT...LOC 2117Z 207DEG 16KT 4472 9047
WETENKAMPLocal storm report, Jul 27, 4:58 PM CDT, 2 hours 11 minutes before
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</html>Special weather statement, Jul 27, 5:05 PM CDT, 2 hours 4 minutes before
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</html>Special weather statement, Jul 27, 5:21 PM CDT, 1 hour 48 minutes before
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</html>Nearby
Special Weather Statements in Iowa, 2016Every 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.