Alert archive / Wisconsin / Special Weather Statements in 2018
Special Weather Statement, NWS La Crosse, WI
NWS La Crosse, WI issued this special weather statement at Jun 18, 2018, 2:41 AM CDT for 4 counties in Wisconsin; Wabasha County, Winona County, Minnesota. It was in force for 49 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
- Jun 18, 2018, 2:41 AM CDT (07:41 UTC)
- Expired
- Jun 18, 2018, 3:30 AM CDT
- In force
- 49 min
- Issued by
- NWS La Crosse, WI
Counties Wabasha County, MN, Winona County, MN, Buffalo County, WI, Clark County, WI, Jackson County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 62 km from the middle of the area, began a volume at 07:39 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, 7.7 hours before the alert went out and 182 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
- 2040 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
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 Jun 17, 11:57 PM CDT, 2 hours 44 minutes earlier.
Area forecast discussion, Jun 17, 11:57 PM CDT, 2 hours 44 minutes before
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</html>Hazardous weather outlook, Jun 17, 9:14 PM CDT, 5 hours 27 minutes before
Hazardous Weather Outlook National Weather Service La Crosse WI 914 PM CDT Sun Jun 17 2018 IAZ008>011-018-019-029-030-MNZ086>088-094>096-WIZ041>044-053>055- 061-181200- Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette- Clayton-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-La Crosse- Monroe-Juneau-Adams-Vernon-Crawford-Richland-Grant- 914 PM CDT Sun Jun 17 2018 This Hazardous Weather Outlook is for portions of northeast Iowa...southeast Minnesota...and southwest into central Wisconsin .DAY ONE...Rest of Tonight Thunderstorms tonight will be capable of heavy rain which could result in localized flooding. In addition, a few could be strong, potentially severe this evening, capable of damaging winds. This risk is mainly near and north of I-90. .DAYS TWO THROUGH SEVEN...Monday through Saturday Periodic thunderstorm chances through the new week. A few storms may be strong to severe south of Interstate 90 on Monday with heavy rain, hail, and strong winds. It is too early to discern any potential severe weather risk beyond Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed overnight. Reports of damage and rainfall amounts are appreciated. .EMERGENCY MANAGEMENT COORDINATION... No webinar is scheduled. MNZ079-WIZ017-029-032>034-181200- Wabasha-Taylor-Clark-Buffalo-Trempealeau-Jackson- 914 PM CDT Sun Jun 17 2018 This Hazardous Weather Outlook is for portions of southeast Minnesota into north-central Wisconsin. .DAY ONE...Rest of tonight Flash Flood Watch tonight. Thunderstorms tonight will be capable of heavy rain. With much of the grounds having received rainfall recently, additional heavy rain could result in flash flooding. In addition, a few of the storms could be strong to severe this evening, capable of strong to damaging winds and hail. .DAYS TWO THROUGH SEVEN...Monday through Saturday Periodic thunderstorm chances through the new week. Severe weather is not expected Monday. It is too early to discern any potential severe weather risk beyond then. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed overnight. Reports of damage and rainfall amounts are appreciated. .EMERGENCY MANAGEMENT COORDINATION... No webinar is scheduled. Baumgardt
In the hours before
Special weather statement, Jun 17, 10:32 PM CDT, 4 hours 9 minutes before
Special Weather Statement National Weather Service La Crosse WI 1032 PM CDT Sun Jun 17 2018 IAZ008>011-018-019-MNZ079-086>088-094>096-WIZ017-029-032>034- 041>044-053-180600- Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Wabasha- Dodge-Olmsted-Winona-Mower-Fillmore-Houston-Taylor-Clark-Buffalo- Trempealeau-Jackson-La Crosse-Monroe-Juneau-Adams-Vernon- Including the cities of Osage, Cresco, Decorah, Waukon, Charles City, New Hampton, Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, Caledonia, Medford, Neillsville, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, Friendship, and Viroqua 1032 PM CDT Sun Jun 17 2018 ...Storms Into The Overnight...Heavy Rain Possible... Thunderstorms will continue to track across the area into the overnight hours. The storms will produce occasional lightning and periods of heavy rainfall. If storms repeat over areas, flooding could become a concern. Monitor forecasts closely tonight and be ready to move to higher ground should heavy rains develop over your area. Those outdoors, such as those camping, should keep an extra close eye on the weather tonight. Wetenkamp
Special weather statement, Jun 17, 11:39 PM CDT, 3 hours 2 minutes before
Special Weather Statement
National Weather Service La Crosse WI
1139 PM CDT SUN JUN 17 2018
WIZ034-042-043-180515-
Juneau-Jackson-Monroe-
1139 PM CDT SUN JUN 17 2018
...THUNDERSTORMS WITH FREQUENT LIGHTNING AND BRIEF HEAVY RAIN
IMPACTING SOUTHERN JACKSON... NORTHWESTERN JUNEAU AND NORTHERN
MONROE COUNTIES...
At 1134 PM CDT, radar indicated strong thunderstorms were located
along a line extending from 11 miles east of Millston to near
Cataract. These storms are producing frequent lightning and a quick
1/2 to 1 inch of rainfall. Movement was east at 40 to 50 mph.
Torrential rainfall is occurring with these storms, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4422 8993 4420 8991 4419 8993 4419 8990
4418 8993 4416 8992 4417 8997 4413 8999
4413 8997 4412 9001 4409 9003 4402 9000
4407 9115 4422 9115 4425 9019 4425 8991
4423 8989
TIME...MOT...LOC 0434Z 239DEG 42KT 4423 9041 4412 9088
WetenkampLocal storm report, Jun 18, 12:23 AM CDT, 2 hours 18 minutes before
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</html>Special weather statement, Jun 18, 2:41 AM 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 |
|---|---|---|---|---|
| Jun 17, 7:01 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 50 min |
| Jun 17, 8:38 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 52 min |
| Jun 17, 11:39 PM CDT | Special Weather Statement | ARX | Monroe | 36 min |
| Jun 18, 1:58 AM CDT | Special Weather Statement | ARX | Jackson | 32 min |
| Jun 18, 3:41 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 4 hr |
| Jun 18, 4:37 AM CDT | Flash Flood Warning | ARX | Clark, Jackson | 3 hr |
| Jun 18, 7:28 AM CDT | Areal Flood Warning | ARX | Clark, Jackson | 6 hr |
| Jun 18, 7:32 AM CDT | Areal Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
| Jun 18, 10:14 AM CDT | River Flood Warning | ARX | Adams, Juneau | 5 days |
| Jun 18, 1:36 PM CDT | Areal Flood Warning | ARX | Clark | 6 hr |
| Jun 18, 6:41 PM CDT | Special Weather Statement | ARX | Grant | 79 min |
| Jun 18, 5:40 PM CDT | Special Weather Statement | ARX | Clayton, Fayette | 50 min |
Nearby
Special Weather Statements in Wisconsin, 2018Special Weather Statements in Minnesota, 2018Every special weather statement in 2018
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.