Alert archive / Wisconsin / Flash Flood Watches in 2014

Flash Flood Watch 6, NWS La Crosse, WI

June 22, 201411 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota

NWS La Crosse, WI issued this flash flood watch at Jun 22, 2014, 3:59 AM CDT for 11 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota. It took effect at Jun 22, 2014, 4:00 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jun 22, 2014, 3:59 AM CDT (08:59 UTC)
In effect from: Jun 22, 2014, 4:00 PM CDT
Expired: Jun 22, 2014, 8:21 PM CDT
In force: 4 hr
Issued by: NWS La Crosse, WI
Flood severity: None

All 26 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 36 km from the middle of the area, began a volume at 09:04 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, 9.0 hours before the alert went out and 203 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: 14 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 2104 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 22, 3:41 AM CDT, 18 minutes earlier.

Area forecast discussion, Jun 22, 3:41 AM CDT, 18 minutes before

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Hazardous weather outlook, Jun 21, 2:20 PM CDT, 13 hours 39 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
Jun 22, 12:23 PM CDT	Special Weather Statement	ARX	Buffalo, Crawford, Grant, La Crosse, Trempealeau, Vernon	112 min
Jun 22, 1:05 PM CDT	Special Weather Statement	ARX	Crawford, Grant, Vernon	55 min
Jun 22, 2:02 PM CDT	Special Weather Statement	ARX	Grant, Richland, Vernon	58 min
Jun 22, 4:28 PM CDT	River Flood Warning	ARX	La Crosse, Vernon	15 days
Jun 22, 10:43 AM CDT	Special Weather Statement	ARX	Chickasaw, Floyd, Howard, Mitchell	62 min
Jun 22, 11:37 AM CDT	Special Weather Statement	ARX	Fayette, Howard, Winneshiek	53 min

Nearby

Flash Flood Watches in Wisconsin, 2014 Flash Flood Watches in Iowa, 2014 Flash Flood Watches in Minnesota, 2014 Every flash flood watch in 2014

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.