Alert archive / Ohio / Areal Flood Advisories in 2012

Areal Flood Advisory 3, NWS Cleveland, OH

March 15, 2012Ashland County, Knox County, Richland County, Ohio

NWS Cleveland, OH issued this areal flood advisory at Mar 15, 2012, 6:05 AM EDT for Ashland County, Knox County, Richland County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 15, 2012, 6:05 AM EDT (10:05 UTC)
Expired
Mar 15, 2012, 10:00 AM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashland County, OH, Knox County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 94 km from the middle of the area, began a volume at 10:05 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 00:00Z, 10.1 hours before the alert went out and 182 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, Cncnati-Daytn, OH at 00:00Z on 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Cncnati-Daytn, OH at 00:00Z on 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
13 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2195 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
106 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 areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cleveland, OH wrote its last area forecast discussion before this areal flood advisory went out at Mar 15, 4:53 AM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Mar 15, 4:53 AM EDT, 1 hour 12 minutes before
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Hazardous weather outlook, Mar 15, 5:44 AM EDT, 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
544 AM EDT THU MAR 15 2012

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-160945-
LUCAS-WOOD-OTTAWA-SANDUSKY-ERIE OH-LORAIN-CUYAHOGA-LAKE-GEAUGA-
ASHTABULA INLAND-HANCOCK-SENECA-HURON-MEDINA-SUMMIT-PORTAGE-TRUMBULL-
WYANDOT-CRAWFORD-RICHLAND-ASHLAND-WAYNE-STARK-MAHONING-MARION-MORROW-
HOLMES-KNOX-ASHTABULA LAKESHORE-NORTHERN ERIE-SOUTHERN ERIE-
CRAWFORD PA-
544 AM EDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL
OHIO...NORTHEAST OHIO...NORTHWEST OHIO AND NORTHWEST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED EARLY THIS
MORNING...ESPECIALLY ACROSS NORTHEAST OHIO...WITH SCATTERED
THUNDERSTORMS RETURNING THIS AFTERNOON AND EVENING. THERE IS A
SLIGHT RISK OF SEVERE WEATHER WITH THUNDERSTORMS THIS MORNING WITH
LARGE HAIL TO ONE INCH BEING THE PRIMARY THREAT. THERE WILL BE AN
ISOLATED THREAT OF SEVERE WEATHER WITH THUNDERSTORMS THIS
AFTERNOON AND EVENING WITH BOTH LARGE HAIL AND STRONG WINDS BEING A
CONCERN. STORM MOTION WILL BE TO THE EAST AT 25 MPH.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

LEZ061-142>149-162>169-160945-
LAKE ERIE OPEN WATERS FROM RIPLEY TO BUFFALO NY-
MAUMEE BAY TO RENO BEACH OH-RENO BEACH TO THE ISLANDS OH-
THE ISLANDS TO VERMILION OH-VERMILION TO AVON POINT OH-
AVON POINT TO WILLOWICK OH-WILLOWICK TO GENEVA-ON-THE LAKE OH-GENEVA-
ON-THE-LAKE TO CONNEAUT OH-CONNEAUT OH TO RIPLEY NY-
LAKE ERIE OPEN WATERS FROM MAUMEE BAY TO RENO BEACH-
LAKE ERIE OPEN WATERS FROM RENO BEACH TO THE ISLANDS-
LAKE ERIE OPEN WATERS FROM THE ISLANDS TO VERMILION-
LAKE ERIE OPEN WATERS FROM VERMILION TO AVON POINT-
LAKE ERIE OPEN WATERS FROM AVON POINT TO WILLOWICK-
LAKE ERIE OPEN WATERS FROM WILLOWICK TO GENEVA-ON-THE-LAKE-
LAKE ERIE OPEN WATERS FROM GENEVA-ON-THE-LAKE TO CONNEAUT-
LAKE ERIE OPEN WATERS FROM CONNEAUT OH TO RIPLEY NY-
544 AM EDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR LAKE ERIE.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE POSSIBLE TODAY. THERE IS AN ISOLATED
THREAT OF LARGE HAIL WITH THESE THUNDERSTORMS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Mar 15, 3:07 AM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
307 AM EDT THU MAR 15 2012

OHZ003-006>008-017-018-027-150815-
HANCOCK-LUCAS-OTTAWA-SANDUSKY-SENECA-WOOD-WYANDOT-
307 AM EDT THU MAR 15 2012

...STRONG THUNDERSTORMS MOVING ACROSS PORTIONS OF NORTHWEST OHIO...

AT 300 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
SCATTERED STRONG THUNDERSTORM MOVING ACROSS NORTHWEST OHIO. THE
STRONGEST STORMS MAY PRODUCE DIME TO NICKEL SIZE HAIL AND WIND GUSTS
TO 35 MPH. ALL OF THIS ACTIVITY WILL MOVE NORTHEAST AT 25 MPH.
Local storm report, Mar 15, 3:14 AM EDT, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
314 AM EDT THU MAR 15 2012

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

0310 AM     HAIL             MOUNT CORY              40.93N 83.82W
03/15/2012  E1.00 INCH       HANCOCK            OH   TRAINED SPOTTER

&&

CLARK
Local storm report, Mar 15, 5:24 AM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
524 AM EDT THU MAR 15 2012

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

0316 AM     HAIL             MOUNT CORY              40.93N 83.82W
03/15/2012  M1.50 INCH       HANCOCK            OH   TRAINED SPOTTER

0405 AM     HAIL             1 E LINDSEY             41.42N 83.20W
03/15/2012  M1.00 INCH       SANDUSKY           OH   TRAINED SPOTTER

0406 AM     HAIL             1 S MANSFIELD           40.75N 82.53W
03/15/2012  M1.00 INCH       RICHLAND           OH   PUBLIC

0415 AM     HAIL             4 S OAK HARBOR          41.45N 83.15W
03/15/2012  M1.00 INCH       SANDUSKY           OH   TRAINED SPOTTER

0428 AM     HAIL             MONROEVILLE             41.24N 82.70W
03/15/2012  M1.00 INCH       HURON              OH   PUBLIC

0435 AM     HAIL             2 W NORWALK             41.24N 82.65W
03/15/2012  E1.00 INCH       HURON              OH   TRAINED SPOTTER

&&

CLARK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 3:10 AM EDTSevere Thunderstorm WarningCLEHancock50 min
Mar 15, 3:16 AM EDTSevere Thunderstorm WarningCLEOttawa44 min
Mar 15, 3:47 AM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky43 min
Mar 15, 4:06 AM EDTSevere Thunderstorm WarningCLEAshland, Richland54 min
Mar 15, 4:25 AM EDTSevere Thunderstorm WarningCLEErie, Huron50 min
Mar 15, 4:29 AM EDTSevere Thunderstorm WarningCLEKnox46 min
Mar 15, 5:02 AM EDTSevere Thunderstorm WarningCLELorain, Medina73 min
Mar 15, 5:46 AM EDTSevere Thunderstorm WarningCLEKnox44 min
Mar 15, 7:51 AM EDTAreal Flood WarningCLEAshland, Knox, Richland6 hr
Mar 15, 8:22 AM EDTSpecial Marine WarningCLE83 min
Mar 15, 8:26 AM EDTSevere Thunderstorm WarningCLECrawford, Marion, Wyandot38 min
Mar 15, 9:52 AM EDTSevere Thunderstorm WarningCLEWood17 min
Mar 15, 4:46 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne29 min
Mar 15, 5:56 PM EDTSpecial Marine WarningCLE2 hr
Mar 15, 7:16 PM EDTSevere Thunderstorm WarningCLELucas25 min
Mar 15, 7:57 PM EDTSpecial Marine WarningCLE2 hr

Nearby

Areal Flood Advisories in Ohio, 2012Every areal flood advisory in 2012

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.