Alert archive / Ohio / Flood Watches in 2011

Flood Watch 3, NWS Wilmington, OH

March 3, 201132 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana

NWS Wilmington, OH issued this flood watch at Mar 3, 2011, 3:49 AM EST for 32 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana. It took effect at Mar 4, 2011, 7:00 PM EST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Mar 3, 2011, 3:49 AM EST (08:49 UTC)
In effect from: Mar 4, 2011, 7:00 PM EST
Expired: Mar 6, 2011, 3:31 AM EST
In force: 33 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 52 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 20 km from the middle of the area, began a volume at 08:49 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

Detroit, MI (KDTX), launched 00:00Z, 8.8 hours before the alert went out and 369 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1688 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 82 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 flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flood watch went out at Mar 3, 3:30 AM EST, 19 minutes earlier.

Area forecast discussion, Mar 3, 3:30 AM EST, 19 minutes before

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Hazardous weather outlook, Mar 2, 4:44 PM EST, 11 hours 5 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 3, 11:09 AM EST	River Flood Advisory	ILN	Adams, Scioto	25 hr
Mar 3, 11:09 AM EST	River Flood Advisory	ILN	Adams, Brown	25 hr
Mar 3, 11:09 AM EST	River Flood Advisory	ILN	Clermont	39 hr
Mar 3, 11:09 AM EST	River Flood Advisory	ILN	Clermont, Hamilton	63 hr
Mar 3, 11:09 AM EST	River Flood Advisory	ILN	Carroll, Gallatin	3 days

Nearby

Flood Watches in Ohio, 2011 Flood Watches in Kentucky, 2011 Flood Watches in Indiana, 2011 Every flood watch in 2011

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.