Alert archive / Iowa / Flash Flood Watches in 2013

Flash Flood Watch 5, NWS La Crosse, WI

June 14, 20137 counties in Iowa; Fillmore County, Mower County, Minnesota

NWS La Crosse, WI issued this flash flood watch at Jun 14, 2013, 3:37 AM CDT for 7 counties in Iowa; Fillmore County, Mower County, Minnesota. It took effect at Jun 14, 2013, 4:00 PM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 2013, 3:37 AM CDT (08:37 UTC)
In effect from
Jun 14, 2013, 4:00 PM CDT
Expired
Jun 15, 2013, 2:51 PM CDT
In force
23 hr
Issued by
NWS La Crosse, WI
Flood severity
None

Counties Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Fillmore County, MN, Mower County, MN

The radar

The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 08:40 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, 8.6 hours before the alert went out and 210 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2013-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2013-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2050 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 13, 5:30 PM CDT, 10 hours 7 minutes earlier.

Area forecast discussion, Jun 13, 5:30 PM CDT, 10 hours 7 minutes before
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The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 8:53 AM CDTAreal Flood WarningARXChickasaw, Floyd7 hr

Nearby

Flash Flood Watches in Iowa, 2013Flash Flood Watches in Minnesota, 2013Every flash flood watch in 2013

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.