Alert archive / Ohio / Flash Flood Watches in 2013

Flash Flood Watch 4, NWS Northern Indiana

October 5, 20137 counties in Indiana; 8 counties in Ohio; Hillsdale County, Michigan

NWS Northern Indiana issued this flash flood watch at Oct 5, 2013, 11:49 AM EDT for 7 counties in Indiana; 8 counties in Ohio; Hillsdale County, Michigan. It took effect at Oct 6, 2013, 2:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Oct 5, 2013, 11:49 AM EDT (15:49 UTC)
In effect from
Oct 6, 2013, 2:00 AM EDT
Expired
Oct 6, 2013, 3:44 PM EDT
In force
14 hr
Issued by
NWS Northern Indiana
Flood severity
None

Counties Adams County, IN, Allen County, IN, Blackford County, IN, DeKalb County, IN, Jay County, IN, Steuben County, IN, Wells County, IN, Hillsdale County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 89 km from the middle of the area, began a volume at 15:52 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

Lincoln, IL (KILX), launched 12:00Z, 3.8 hours before the alert went out and 348 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, Lincoln, IL at 12:00Z on 2013-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 774 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, Lincoln, IL at 12:00Z on 2013-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
774 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
907 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

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 Northern Indiana wrote its last area forecast discussion before this flash flood watch went out at Oct 4, 4:37 PM EDT, 19 hours 12 minutes earlier.

Area forecast discussion, Oct 4, 4:37 PM EDT, 19 hours 12 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 3:40 PM EDTSpecial Weather StatementIWXWhite50 min
Oct 5, 4:26 PM EDTSpecial Weather StatementIWXPulaski34 min
Oct 5, 5:23 PM EDTSpecial Weather StatementIWXCass, Miami22 min
Oct 5, 12:03 AM EDTAreal Flood AdvisoryIWXFulton, Henry, Williams3 hr

Nearby

Flash Flood Watches in Ohio, 2013Flash Flood Watches in Indiana, 2013Flash Flood Watches in Michigan, 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.