Alert archive / Ohio / Flood Watches in 2015

Flood Watch 3, NWS Wilmington, OH

March 12, 201512 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana

NWS Wilmington, OH issued this flood watch at Mar 12, 2015, 4:00 PM EDT for 12 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana. It took effect at Mar 13, 2015, 8:00 AM EDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Mar 12, 2015, 4:00 PM EDT (20:00 UTC)
In effect from: Mar 13, 2015, 8:00 AM EDT
Expired: Mar 14, 2015, 2:00 PM EDT
In force: 30 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 29 counties

Dearborn County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland 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, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 60 km from the middle of the area, began a volume at 20:02 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

Pittsburgh, PA (KAGC), launched 12:00Z, 8.0 hours before the alert went out and 386 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: 2070 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: -233 m²/s²
0-3 km storm-relative helicity: -219 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 12, 1:24 PM EDT, 2 hours 36 minutes earlier.

Area forecast discussion, Mar 12, 1:24 PM EDT, 2 hours 36 minutes before

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Hazardous weather outlook, Mar 12, 10:27 AM EDT, 5 hours 33 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
1027 AM EDT THU MAR 12 2015

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-131430-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-DARKE-
SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-
FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-
FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-
HIGHLAND-ADAMS-PIKE-SCIOTO-
1027 AM EDT THU MAR 12 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN
KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL
OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO.

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

RAIN WILL MOVE INTO THE REGION ON FRIDAY...CONTINUING THROUGH
EARLY SATURDAY. PERIODS OF MODERATE TO HEAVY RAIN MAY OCCUR. THIS
PROLONGED RAINFALL WILL COMBINE WITH A SATURATED GROUND AND LEAD
TO A HEIGHTENED RISK OF FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 9:50 PM EDT	Dense Fog Advisory	ILN	Auglaize, Butler, Champaign, Clark, Clinton, Darke and 20 more	12 hr
Mar 12, 4:12 AM EDT	River Flood Advisory	ILN	Adams, Scioto	36 hr
Mar 12, 4:12 AM EDT	River Flood Advisory	ILN	Adams, Brown	36 hr
Mar 12, 11:59 AM EDT	River Flood Warning	ILN	Clermont, Hamilton	8 days
Mar 12, 11:59 AM EDT	River Flood Warning	ILN	Adams, Scioto	7 days
Mar 12, 11:59 AM EDT	River Flood Warning	ILN	Adams, Brown	8 days
Mar 12, 12:12 PM EDT	River Flood Advisory	ILN	Clermont	43 hr

Nearby

Flood Watches in Ohio, 2015 Flood Watches in Kentucky, 2015 Flood Watches in Indiana, 2015 Every flood watch in 2015

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.