Alert archive / Ohio / Flash Flood Watches in 2013

Flash Flood Watch 3, NWS Wilmington, OH

July 6, 20138 counties in Ohio; 5 counties in Kentucky

NWS Wilmington, OH issued this flash flood watch at Jul 6, 2013, 3:54 PM EDT for 8 counties in Ohio; 5 counties in Kentucky. It took effect at Jul 7, 2013, 1:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 6, 2013, 3:54 PM EDT (19:54 UTC)
In effect from: Jul 7, 2013, 1:00 AM EDT
Expired: Jul 7, 2013, 9:44 AM EDT
In force: 9 hr
Issued by: NWS Wilmington, OH
Flood severity: None

Counties Bracken County, KY, Lewis County, KY, Mason County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Highland County, OH, Hocking County, OH, Pike County, OH, Ross County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 19:57 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, 7.9 hours before the alert went out and 62 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: 234 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 Wilmington, OH wrote its last area forecast discussion before this flash flood watch went out at Jul 6, 1:59 PM EDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 6, 1:59 PM EDT, 1 hour 55 minutes before

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Hazardous weather outlook, Jul 6, 4:38 AM EDT, 11 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
438 AM EDT SAT JUL 6 2013

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-070845-
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-
438 AM EDT SAT JUL 6 2013

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.

OCCASIONAL SHOWERS AND A CHANCE OF THUNDERSTORMS WILL BE POSSIBLE
THROUGH TONIGHT. LOCALLY HEAVY RAIN CAN BE EXPECTED WITH SOME OF
THE STORMS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A CHANCE OF THUNDERSTORMS WILL CONTINUE INTO SUNDAY. LOCALLY
HEAVY RAIN WILL BE POSSIBLE WITH SOME OF THE STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 6, 2:02 PM EDT, 1 hour 52 minutes before

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Local storm report, Jul 6, 2:04 PM EDT, 1 hour 50 minutes before

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Local storm report, Jul 6, 2:22 PM EDT, 1 hour 32 minutes before

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Local storm report, Jul 6, 2:31 PM EDT, 1 hour 23 minutes before

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Local storm report, Jul 6, 2:43 PM EDT, 1 hour 11 minutes before

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Local storm report, Jul 6, 2:44 PM EDT, 1 hour 10 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
Jul 6, 9:57 AM EDT	Areal Flood Advisory	ILN	Hamilton	3 hr
Jul 6, 10:26 AM EDT	Areal Flood Advisory	ILN	Butler, Hamilton, Warren	3 hr
Jul 6, 11:01 AM EDT	Areal Flood Warning	ILN	Butler, Hamilton	12 hr
Jul 6, 11:14 AM EDT	Flash Flood Warning	ILN	Butler, Hamilton, Warren	4 hr
Jul 6, 11:15 AM EDT	Areal Flood Advisory	ILN	Montgomery	3 hr
Jul 6, 11:25 AM EDT	Areal Flood Advisory	ILN	Warren	4 hr
Jul 6, 11:33 AM EDT	Areal Flood Advisory	ILN	Champaign, Clark, Greene, Miami, Montgomery, Shelby	3 hr
Jul 6, 1:17 PM EDT	Areal Flood Advisory	ILN	Champaign, Clark, Greene	3 hr
Jul 6, 1:53 PM EDT	Areal Flood Advisory	ILN	Adams, Scioto	3 hr
Jul 6, 3:14 PM EDT	Areal Flood Warning	ILN	Butler, Hamilton, Warren	4 hr
Jul 6, 7:21 AM EDT	Areal Flood Advisory	ILN	Campbell, Grant, Kenton, Owen, Pendleton	4 hr
Jul 6, 9:43 AM EDT	Flash Flood Warning	ILN	Grant, Kenton, Owen, Pendleton	3 hr
Jul 6, 9:46 AM EDT	Areal Flood Advisory	ILN	Boone, Gallatin	3 hr
Jul 6, 12:38 PM EDT	Areal Flood Warning	ILN	Boone, Campbell, Gallatin, Grant, Kenton, Owen and 1 more	12 hr

Nearby

Flash Flood Watches in Ohio, 2013 Flash Flood Watches in Kentucky, 2013 Every 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.