Alert archive / Wisconsin / Special Weather Statements in 2016
Special Weather Statement, NWS La Crosse, WI
NWS La Crosse, WI issued this special weather statement at Sep 21, 2016, 1:01 PM CDT for Richland County, Wisconsin. It was in force for 44 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
- Sep 21, 2016, 1:01 PM CDT (18:01 UTC)
- Expired
- Sep 21, 2016, 1:45 PM CDT
- In force
- 44 min
- Issued by
- NWS La Crosse, WI
County Richland County, WI
The radar
The La Crosse radar (KARX), 63 km from the middle of the area, began a volume at 18:01 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, 6.0 hours before the alert went out and 217 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
- 3354 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 946 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
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 Sep 21, 12:19 PM CDT, 42 minutes earlier.
Area forecast discussion, Sep 21, 12:19 PM CDT, 42 minutes before
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</html>Hazardous weather outlook, Sep 21, 9:30 AM CDT, 3 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 930 AM CDT WED SEP 21 2016 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-221100- 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- 930 AM CDT WED SEP 21 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST IOWA...SOUTHEAST MINNESOTA...AND FROM SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT A FLASH FLOOD WATCH IN EFFECT. PERIODIC THUNDERSTORMS WILL CONTINUE THROUGH TONIGHT. THE MAIN THREAT FROM THESE STORMS WILL BE HEAVY RAIN WHICH MAY RESULT IN RIVER AND FLASH FLOODING. IN ADDITION...THERE WILL BE A THREAT FOR LARGE HAIL...ISOLATED TORNADOES...AND DAMAGING WINDS THIS AFTERNOON AND EVENING... ESPECIALLY WEST OF THE MISSISSIPPI RIVER. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY STORMS CAPABLE OF PRODUCING FLASH FLOODING AND RIVER FLOODING WILL CONTINUE THROUGH THURSDAY EVENING. DUE TO THIS...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THIS TIME PERIOD. PERIODIC STORMS ARE POSSIBLE FROM THURSDAY THROUGH TUESDAY. AT THIS TIME...THE MAIN THREAT FROM THESE STORMS WILL BE LIGHTNING AND HEAVY RAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AT TIMES TONIGHT THROUGH THURSDAY...WITH RAINFALL OR FLOODING REPORTS GREATLY APPRECIATED. .EMERGENCY MANAGEMENT COORDINATION... NO WEBINAR IS SCHEDULED. BOYNE/SHEA
In the hours before
Special weather statement, Sep 21, 12:20 PM CDT, 41 minutes before
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</html>Local storm report, Sep 21, 12:48 PM CDT, 13 minutes before
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</html>Local storm report, Sep 21, 12:58 PM CDT, 3 minutes before
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</html>Special weather statement, Sep 21, 1:01 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 |
|---|---|---|---|---|
| Sep 20, 11:26 PM CDT | Special Weather Statement | ARX | Buffalo | 109 min |
| Sep 21, 12:11 AM CDT | Special Weather Statement | ARX | Clark, Jackson, Trempealeau | 109 min |
| Sep 21, 12:21 AM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 41 min |
| Sep 21, 1:25 AM CDT | Special Weather Statement | ARX | Adams, Buffalo, Clark, Jackson, Juneau, La Crosse and 3 more | 110 min |
| Sep 21, 1:45 AM CDT | Severe Thunderstorm Warning | ARX | Adams | 28 min |
| Sep 21, 2:23 AM CDT | Special Weather Statement | ARX | Crawford, La Crosse, Monroe, Richland, Vernon | 67 min |
| Sep 21, 3:31 AM CDT | Special Weather Statement | ARX | Buffalo, Jackson, La Crosse, Trempealeau | 119 min |
| Sep 21, 5:40 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 3 hr |
| Sep 21, 6:44 AM CDT | Flash Flood Warning | ARX | Crawford, Vernon | 6 hr |
| Sep 21, 8:26 AM CDT | Flash Flood Warning | ARX | Jackson, La Crosse, Monroe, Trempealeau | 3 hr |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Jackson | 3 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | La Crosse, Trempealeau | 6 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 4 days |
| Sep 21, 10:10 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 7 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Richland, Vernon | 4 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Vernon | 5 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 5 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 7 days |
| Sep 21, 10:27 AM CDT | River Flood Warning | ARX | Crawford | 8 days |
| Sep 21, 11:31 AM CDT | Flash Flood Warning | ARX | La Crosse, Monroe | 3 hr |
| Sep 21, 12:55 PM CDT | Special Weather Statement | ARX | Trempealeau | 50 min |
| Sep 21, 1:05 PM CDT | Special Weather Statement | ARX | Clark | 55 min |
| Sep 21, 2:13 PM CDT | Flash Flood Warning | ARX | Clark | 5 hr |
| Sep 21, 2:54 PM CDT | Special Weather Statement | ARX | Adams | 21 min |
| Sep 21, 2:59 PM CDT | Special Weather Statement | ARX | Jackson | 46 min |
| Sep 21, 4:43 PM CDT | River Flood Warning | ARX | Juneau | 7 days |
| Sep 21, 5:33 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 42 min |
| Sep 21, 5:44 PM CDT | Special Weather Statement | ARX | Adams, Juneau | 46 min |
| Sep 21, 5:57 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau, Monroe | 48 min |
| Sep 21, 6:58 PM CDT | Flash Flood Warning | ARX | Adams | 4 hr |
| Sep 21, 4:09 PM CDT | Special Weather Statement | ARX | Floyd | 51 min |
| Sep 21, 4:21 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 39 min |
| Sep 21, 4:47 PM CDT | Flash Flood Warning | ARX | Floyd | 4 hr |
| Sep 21, 5:03 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 57 min |
| Sep 21, 5:20 PM CDT | Tornado Warning | ARX | Floyd | 40 min |
| Sep 21, 5:52 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 35 min |
| Sep 21, 6:01 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 44 min |
| Sep 21, 6:03 PM CDT | Flash Flood Warning | ARX | Floyd | 3 hr |
| Sep 21, 6:18 PM CDT | Tornado Warning | ARX | Floyd | 42 min |
| Sep 21, 6:23 PM CDT | Flash Flood Warning | ARX | Mitchell | 6 hr |
| Sep 21, 6:53 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 32 min |
| Sep 21, 12:30 AM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 32 min |
| Sep 21, 12:51 AM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 54 min |
| Sep 21, 12:20 PM CDT | Special Weather Statement | ARX | Winona | 40 min |
Nearby
Special Weather Statements in Wisconsin, 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.