Alert archive / Ohio / Areal Flood Advisories in 2014

Areal Flood Advisory 21, NWS Northern Indiana

August 11, 2014Allen County, Indiana; Defiance County, Paulding County, Williams County, Ohio

NWS Northern Indiana issued this areal flood advisory at Aug 11, 2014, 11:39 AM EDT for Allen County, Indiana; Defiance County, Paulding County, Williams County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2014, 11:39 AM EDT (15:39 UTC)
Expired
Aug 11, 2014, 3:00 PM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon

Counties Allen County, IN, Defiance County, OH, Paulding County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 86 km from the middle of the area, began a volume at 15:42 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 3.7 hours before the alert went out and 218 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, Cncnati-Daytn, OH at 12:00Z on 2014-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1074 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2014-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1074 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 9:28 AM EDTSmall Craft AdvisoryIWX6 hr
Aug 11, 9:29 AM EDTBeach Hazards StatementIWX6 hr
Aug 11, 9:49 AM EDTAreal Flood AdvisoryIWXCass, Fulton, Pulaski, White4 hr
Aug 11, 10:20 AM EDTAreal Flood AdvisoryIWXAllen3 hr
Aug 11, 11:21 AM EDTAreal Flood AdvisoryIWXAllen, DeKalb3 hr
Aug 11, 11:39 AM EDTAreal Flood AdvisoryIWXKosciusko, Wabash3 hr
Aug 11, 11:45 AM EDTAreal Flood AdvisoryIWXAllen, Huntington, Kosciusko, Noble, Wabash, Wells and 1 more3 hr
Aug 11, 1:28 PM EDTSpecial Weather StatementIWXWells32 min
Aug 11, 4:16 PM EDTBeach Hazards StatementIWX47 hr
Aug 11, 4:20 PM EDTSmall Craft AdvisoryIWX43 hr
Aug 11, 11:29 AM EDTAreal Flood WarningIWXDefiance, Fulton, Henry, Williams6 hr
Aug 11, 2:56 PM EDTAreal Flood AdvisoryIWXAllen, Van Wert3 hr

Nearby

Areal Flood Advisories in Ohio, 2014Areal Flood Advisories in Indiana, 2014Every areal flood advisory 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.