Alert archive / Wisconsin / Flash Flood Warnings in 2018
Flash Flood Warning 18, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 28, 2018, 5:43 AM CDT for Adams County, Juneau County, Wisconsin. It was in force for 3 hr. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 28, 2018, 5:43 AM CDT (10:43 UTC)
- Expired
- Aug 28, 2018, 8:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, WI, Juneau County, WI
The radar
The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 10:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 28, 6:25 AM CDT | HEAVY RAIN 6.44 | 2 S Brooks, WI | COCORAHS STATION WI-AD-10, 2 S BROOKS. |
| Aug 28, 6:49 AM CDT | FLASH FLOOD | 4 Nw Lyndon Station, WI | PARTS OF US HIGHWAY 12 CLOSED BETWEEN LYNDON STATION AND MAUSTON |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 7.78 | Grand Marsh, WI | COCORAHS STATION WI-AD-6, GRAND MARSH. |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 8.3 | 1 Nw Wisconsin Dells, WI | COCORAHS STATION WI-JN-5, 1 NW WISCONSIN DELLS. |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 8.3 | 5 Sse Plainville, WI | |
| Aug 28, 7:00 AM CDT | HEAVY RAIN 9.14 | Union Center, WI | CO-OP OBSERVER STATION UCTW3, UNION CENTER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.7 hours before the alert went out and 173 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
- 1227 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1085 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 13.5
The text
As transmitted.
661 WGUS53 KARX 281043 FFWARX WIC001-057-281345- /O.NEW.KARX.FF.W.0018.180828T1043Z-180828T1345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 543 AM CDT TUE AUG 28 2018 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Southern Juneau County in central Wisconsin... Southern Adams County in central Wisconsin... * Until 845 AM CDT. * At 539 AM CDT, local law enforcement reported numerous roads under water south of I-90. Radar was estimating anywhere from 3 to 6 inches, locally up to 9 inches, has fallen across the warned area. * Some locations that will experience flooding include... Mauston, New Lisbon, Adams, Elroy, Wonewoc, Lemonweir, Lindina, Camp Douglas, Lyndon Station, Union Center, Hustler, Dells Timberland Campground, The Town Of Quincy, Johnson Hill, Stand Rock Campground and Big Spring. Additional rainfall amounts of around another inch are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4364 9031 4391 9031 4398 8960 4364 8960 $$ DAS
2 follow-up statements
886 WGUS73 KARX 281154 FFSARX Flash Flood Statement National Weather Service La Crosse WI 654 AM CDT TUE AUG 28 2018 WIC001-057-281345- /O.CON.KARX.FF.W.0018.000000T0000Z-180828T1345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Juneau WI-Adams WI- 654 AM CDT TUE AUG 28 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM CDT FOR SOUTHERN JUNEAU AND SOUTHERN ADAMS COUNTIES... At 651 AM CDT, The rain has ended across the area. However, local law enforcement continued to report water over numerous roadways along with numerous road clousures. Some locations that will experience flooding include... Mauston, New Lisbon, Adams, Elroy, Wonewoc, Lemonweir, Lindina, Camp Douglas, Lyndon Station, Union Center, Hustler, Dells Timberland Campground, The Town Of Quincy, Johnson Hill, Stand Rock Campground and Big Spring. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4364 9031 4391 9031 4398 8960 4364 8960 $$ DAS
461 WGUS73 KARX 281329 FFSARX Flash Flood Statement National Weather Service La Crosse WI 829 AM CDT TUE AUG 28 2018 WIC001-057-281345- /O.CON.KARX.FF.W.0018.000000T0000Z-180828T1345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Juneau WI-Adams WI- 829 AM CDT TUE AUG 28 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM CDT FOR SOUTHERN JUNEAU AND SOUTHERN ADAMS COUNTIES... Numerous roads and highways in southern parts of Juneau and Adams Counties in central Wisconsin remain closed due to high water. Area rivers have been rising or are flooding as well. Some locations that will experience flooding include... Elroy, Wonewoc, and Union Center. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4364 9031 4391 9031 4398 8960 4364 8960 $$ Shea
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:02 PM CDT | Special Weather Statement | ARX | Clark, Jackson, Taylor | 58 min |
| Aug 27, 7:57 PM CDT | Areal Flood Advisory | ARX | La Crosse | 2 hr |
| Aug 27, 8:30 PM CDT | Tornado Warning | ARX | Juneau, Monroe | 30 min |
| Aug 27, 8:34 PM CDT | Special Weather Statement | ARX | Adams, Juneau, Monroe | 56 min |
| Aug 27, 8:57 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 33 min |
| Aug 27, 9:54 PM CDT | Areal Flood Advisory | ARX | La Crosse | 111 min |
| Aug 27, 10:07 PM CDT | Flash Flood Warning | ARX | Vernon | 3 hr |
| Aug 27, 10:26 PM CDT | Flash Flood Warning | ARX | La Crosse, Monroe | 3 hr |
| Aug 27, 11:32 PM CDT | Flash Flood Warning | ARX | Vernon | 3 hr |
| Aug 27, 11:51 PM CDT | River Flood Warning | ARX | Monroe, Vernon | 58 hr |
| Aug 28, 12:07 AM CDT | Flash Flood Warning | ARX | Adams, Juneau | 3 hr |
| Aug 28, 12:57 AM CDT | Flash Flood Warning | ARX | Monroe, Vernon | 3 hr |
| Aug 28, 1:36 AM CDT | Flash Flood Warning | ARX | La Crosse | 114 min |
| Aug 28, 1:51 AM CDT | Flash Flood Warning | ARX | La Crosse, Monroe, Vernon | 3 hr |
| Aug 28, 2:54 AM CDT | Flash Flood Warning | ARX | Adams, Juneau | 3 hr |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Richland, Vernon | 55 hr |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Richland, Vernon | 7 days |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Vernon | 5 days |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Crawford | 5 days |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Crawford | 14 days |
| Aug 28, 3:05 AM CDT | River Flood Warning | ARX | Crawford | 14 days |
| Aug 28, 3:38 AM CDT | Flash Flood Warning | ARX | La Crosse, Monroe, Vernon | 4 hr |
| Aug 28, 7:33 AM CDT | Areal Flood Warning | ARX | La Crosse, Monroe, Vernon | 5 hr |
| Aug 28, 8:59 AM CDT | Areal Flood Warning | ARX | Adams, Juneau | 5 hr |
| Aug 28, 12:32 PM CDT | Areal Flood Warning | ARX | La Crosse, Monroe, Vernon | 6 hr |
| Aug 28, 1:30 PM CDT | Special Weather Statement | ARX | Juneau, Monroe | 60 min |
| Aug 28, 1:48 PM CDT | Areal Flood Warning | ARX | Adams, Juneau | 33 hr |
| Aug 28, 1:54 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Vernon | 51 min |
| Aug 28, 2:27 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 48 min |
| Aug 28, 2:32 PM CDT | Tornado Warning | ARX | Adams, Juneau | 28 min |
| Aug 28, 2:45 PM CDT | Tornado Warning | ARX | Adams | 17 min |
| Aug 28, 3:07 PM CDT | Flash Flood Warning | ARX | Adams, Crawford, Juneau, Monroe, Richland, Vernon | 6 hr |
| Aug 28, 6:41 PM CDT | Areal Flood Warning | ARX | La Crosse, Monroe, Vernon | 12 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2018Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.