Alert archive / Ohio / Flash Flood Warnings in 2009

Flash Flood Warning 11, NWS Wilmington, OH

June 25, 2009Butler County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 25, 2009, 11:52 PM EDT for Butler County, Ohio. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 25, 2009, 11:52 PM EDT (03:52 UTC)
Expired: Jun 26, 2009, 2:45 AM EDT
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

County Butler County, OH

The radar

The Cincinnati radar (KILN), 65 km from the middle of the area, began a volume at 03:54 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 00:00Z, 3.9 hours before the alert went out and 353 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: 2029 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1691 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jun 25, 10:39 PM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, Jun 25, 10:39 PM EDT, 1 hour 13 minutes before

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Hazardous weather outlook, Jun 25, 11:40 PM EDT, 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
1140 PM EDT THU JUN 25 2009

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-270345-
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-
1140 PM EDT THU JUN 25 2009

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...TONIGHT.

OCCASIONAL THUNDERSTORMS WILL CONTINUE INTO THE OVERNIGHT HOURS.
LOCALLY HEAVY RAINFALL CAN BE EXPECTED WITH SOME OF THE STORMS.
LARGE HAIL WILL ALSO BE POSSIBLE WITH THE STRONGER STORMS.

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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jun 25, 9:47 PM EDT, 2 hours 5 minutes before

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Local storm report, Jun 25, 9:54 PM EDT, 1 hour 58 minutes before

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Local storm report, Jun 25, 10:08 PM EDT, 1 hour 44 minutes before

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Local storm report, Jun 25, 11:15 PM EDT, 37 minutes before

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Local storm report, Jun 25, 11:28 PM EDT, 24 minutes before

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Local storm report, Jun 25, 11:30 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1130 PM EDT THU JUN 25 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1127 PM     HAIL             HAMILTON                39.39N 84.56W
06/25/2009  E2.50 INCH       BUTLER             OH   TRAINED SPOTTER

&&

SFH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 8:18 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking	57 min
Jun 25, 8:54 PM EDT	Areal Flood Advisory	ILN	Madison	2 hr
Jun 25, 9:08 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Fairfield, Franklin, Licking, Pickaway	37 min
Jun 25, 9:24 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Pickaway, Ross	51 min
Jun 25, 9:35 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Madison, Pickaway	40 min
Jun 25, 10:01 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Pickaway	44 min
Jun 25, 10:04 PM EDT	Areal Flood Advisory	ILN	Franklin, Licking	3 hr
Jun 25, 10:27 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross	63 min
Jun 25, 10:46 PM EDT	Areal Flood Advisory	ILN	Delaware, Licking	3 hr
Jun 25, 11:04 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton, Warren	41 min
Jun 25, 11:39 PM EDT	Areal Flood Advisory	ILN	Butler	3 hr
Jun 25, 11:44 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton, Warren	46 min
Jun 25, 11:50 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami, Montgomery	55 min
Jun 25, 11:59 PM EDT	Areal Flood Advisory	ILN	Darke, Miami	3 hr
Jun 26, 12:16 AM EDT	Severe Thunderstorm Warning	ILN	Clinton, Highland	31 min
Jun 26, 12:32 AM EDT	Areal Flood Advisory	ILN	Clark, Greene, Montgomery	4 hr
Jun 26, 12:54 AM EDT	Areal Flood Advisory	ILN	Darke, Preble	4 hr
Jun 26, 1:01 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Highland, Pike, Ross	44 min
Jun 26, 1:27 AM EDT	Areal Flood Advisory	ILN	Warren	3 hr
Jun 26, 1:41 AM EDT	Flash Flood Warning	ILN	Butler	3 hr
Jun 26, 1:47 AM EDT	Areal Flood Advisory	ILN	Fayette, Ross	3 hr
Jun 26, 1:58 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton	47 min
Jun 26, 1:59 AM EDT	Areal Flood Advisory	ILN	Clermont, Hamilton	3 hr
Jun 26, 2:29 AM EDT	Severe Thunderstorm Warning	ILN	Clermont, Hamilton	61 min
Jun 26, 2:37 AM EDT	Flash Flood Warning	ILN	Clermont, Hamilton, Warren	3 hr
Jun 26, 3:33 AM EDT	Areal Flood Advisory	ILN	Adams, Brown, Highland, Scioto	3 hr
Jun 26, 2:30 AM EDT	Severe Thunderstorm Warning	ILN	Boone	30 min
Jun 26, 3:24 AM EDT	Areal Flood Advisory	ILN	Carroll, Gallatin, Grant, Owen, Pendleton	3 hr
Jun 26, 2:36 AM EDT	Areal Flood Advisory	ILN	Dearborn, Franklin, Ripley	3 hr

Nearby

Flash Flood Warnings in Ohio, 2009 Every flash flood warning in 2009

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.