Alert archive / Ohio / Flood Watches in 2012

Flood Watch 2, NWS Cleveland, OH

March 18, 201228 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this flood watch at Mar 18, 2012, 6:23 AM EDT for 28 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Mar 18, 2012, 10:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Mar 18, 2012, 6:23 AM EDT (10:23 UTC)
In effect from
Mar 18, 2012, 10:00 AM EDT
Expired
Mar 18, 2012, 9:29 PM EDT
In force
11 hr
Issued by
NWS Cleveland, OH
Flood severity
None
All 30 counties

Ashland County, OH, Ashtabula County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 34 km from the middle of the area, began a volume at 10:24 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 (KPIT), launched 00:00Z, 10.4 hours before the alert went out and 189 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, Pittsburgh, PA at 00:00Z on 2012-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2933 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

667 
WGUS61 KCLE 181023
FFACLE

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE CLEVELAND OH
623 AM EDT SUN MAR 18 2012

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-181830-
/O.NEW.KCLE.FA.A.0002.120318T1400Z-120319T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...LORAIN...CLEVELAND...MENTOR...CHARDON...
JEFFERSON...FINDLAY...TIFFIN...NORWALK...MEDINA...AKRON...
RAVENNA...WARREN...UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...
ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...MARION...MOUNT GILEAD...
MILLERSBURG...MOUNT VERNON...ASHTABULA...ERIE...EDINBORO...
MEADVILLE
623 AM EDT SUN MAR 18 2012

...FLOOD WATCH IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF OHIO AND NORTHWEST PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN OHIO...ASHLAND...ASHTABULA 
  INLAND...ASHTABULA LAKESHORE...CRAWFORD...CUYAHOGA...ERIE OH...
   GEAUGA...HANCOCK...HOLMES...HURON...KNOX...LAKE...LORAIN... 
  LUCAS...MAHONING...MARION...MEDINA...MORROW...OTTAWA... 
  PORTAGE...RICHLAND...SANDUSKY...SENECA...STARK...SUMMIT... 
  TRUMBULL...WAYNE...WOOD AND WYANDOT. IN NORTHWEST 
  PENNSYLVANIA...CRAWFORD PA...NORTHERN ERIE AND SOUTHERN ERIE. 

* FROM 10 AM EDT THIS MORNING THROUGH THIS EVENING

* UPPER LEVEL LOW PRESSURE LOCATED OVER INDIANA WILL MOVE OVER
  NORTHERN OHIO AND NORTHWESTERN PENNSYLVANIA TODAY. LIFT FROM
  THIS STORM SYSTEM COMBINED WITH HIGH MOISTURE LEVELS WILL LEAD
  TO THE POTENTIAL FOR HEAVY RAINFALL. THE HEAVY RAIN FROM THESE
  SLOW MOVING THUNDERSTORMS OVER THE ALREADY SATURATED GROUND WILL
  LEAD TO RAPID RUNOFF.

* RUNOFF FROM THE HEAVY RAINFALL WILL QUICKLY FILL LOW LYING AND
  POOR DRAINAGE AREAS. CREEKS AND RIVERS WILL LIKELY SEE RISES AND
  COULD FLOW FROM THEIR BANKS.  


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE
ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO
FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING
DEVELOP. STAY TUNED TO WEATHER RADIO FOR FURTHER DETAILS OR
UPDATES

&&

$$
3 follow-up statements
733 
WGUS61 KCLE 181329
FFACLE

FLOOD WATCH
NATIONAL WEATHER SERVICE CLEVELAND OH
929 AM EDT SUN MAR 18 2012

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-182130-
/O.CON.KCLE.FA.A.0002.120318T1400Z-120319T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...LORAIN...CLEVELAND...MENTOR...CHARDON...
JEFFERSON...FINDLAY...TIFFIN...NORWALK...MEDINA...AKRON...
RAVENNA...WARREN...UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...
ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...MARION...MOUNT GILEAD...
MILLERSBURG...MOUNT VERNON...ASHTABULA...ERIE...EDINBORO...
MEADVILLE
929 AM EDT SUN MAR 18 2012

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF OHIO AND NORTHWEST PENNSYLVANIA...INCLUDING THE 
  FOLLOWING AREAS...IN OHIO...ASHLAND...ASHTABULA INLAND... 
  ASHTABULA LAKESHORE...CRAWFORD...CUYAHOGA...ERIE OH...GEAUGA...
   HANCOCK...HOLMES...HURON...KNOX...LAKE...LORAIN...LUCAS... 
  MAHONING...MARION...MEDINA...MORROW...OTTAWA...PORTAGE... 
  RICHLAND...SANDUSKY...SENECA...STARK...SUMMIT...TRUMBULL... 
  WAYNE...WOOD AND WYANDOT. IN NORTHWEST PENNSYLVANIA...CRAWFORD 
  PA...NORTHERN ERIE AND SOUTHERN ERIE. 

* THROUGH THIS EVENING

* AN UPPER LEVEL LOW WILL MOVE ACROSS NORTHERN OHIO AND
  NORTHWESTERN PENNSYLVANIA THIS AFTERNOON. LIFT FROM THIS STORM
  SYSTEM COMBINED WITH HIGH MOISTURE LEVELS WILL LEAD TO THE
  POTENTIAL FOR HEAVY RAINFALL. THE HEAVY RAIN FROM THESE SLOW
  MOVING THUNDERSTORMS OVER THE ALREADY SATURATED GROUND WILL LEAD
  TO RAPID RUNOFF.

* RUNOFF FROM THE HEAVY RAINFALL WILL QUICKLY FILL LOW LYING AND 
  POOR DRAINAGE AREAS. CREEKS AND RIVERS WILL LIKELY SEE RISES 
  AND COULD FLOW FROM THEIR BANKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE
ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO
FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING
DEVELOP. STAY TUNED TO WEATHER RADIO FOR FURTHER DETAILS OR
UPDATES

&&

$$
365 
WGUS61 KCLE 181954
FFACLE

FLOOD WATCH
NATIONAL WEATHER SERVICE CLEVELAND OH
354 PM EDT SUN MAR 18 2012

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-190300-
/O.CON.KCLE.FA.A.0002.000000T0000Z-120319T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...LORAIN...CLEVELAND...MENTOR...CHARDON...
JEFFERSON...FINDLAY...TIFFIN...NORWALK...MEDINA...AKRON...
RAVENNA...WARREN...UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...
ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...MARION...MOUNT GILEAD...
MILLERSBURG...MOUNT VERNON...ASHTABULA...ERIE...EDINBORO...
MEADVILLE
354 PM EDT SUN MAR 18 2012

...FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF OHIO AND NORTHWEST PENNSYLVANIA...INCLUDING THE 
  FOLLOWING AREAS...IN OHIO...ASHLAND...ASHTABULA INLAND... 
  ASHTABULA LAKESHORE...CRAWFORD...CUYAHOGA...ERIE OH...GEAUGA...
   HANCOCK...HOLMES...HURON...KNOX...LAKE...LORAIN...LUCAS... 
  MAHONING...MARION...MEDINA...MORROW...OTTAWA...PORTAGE... 
  RICHLAND...SANDUSKY...SENECA...STARK...SUMMIT...TRUMBULL... 
  WAYNE...WOOD AND WYANDOT. IN NORTHWEST PENNSYLVANIA...CRAWFORD 
  PA...NORTHERN ERIE AND SOUTHERN ERIE. 

* UNTIL 11 PM EDT THIS EVENING

* THUNDERSTORMS ACROSS NORTHWEST OHIO WILL EXPAND AND SHIFT EAST
  THIS EVENING...AS AN UPPER LEVEL LOW MOVES ACROSS THE AREA. SOME
  OF THESE STORMS COULD BE SLOW MOVING HEAVY RAIN PRODUCERS.  THE
  HEAVY RAIN FROM THESE SLOW MOVING THUNDERSTORMS OVER THE ALREADY
  SATURATED GROUND WILL LEAD TO RAPID RUNOFF.

* RUNOFF FROM THE HEAVY RAINFALL WILL QUICKLY FILL LOW LYING AND 
  POOR DRAINAGE AREAS. CREEKS AND RIVERS WILL LIKELY SEE RISES 
  AND COULD FLOW FROM THEIR BANKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE
ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO
FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING
DEVELOP. STAY TUNED TO WEATHER RADIO FOR FURTHER DETAILS OR
UPDATES

&&

$$
449 
WGUS61 KCLE 190129
FFACLE

FLOOD WATCH
NATIONAL WEATHER SERVICE CLEVELAND OH
929 PM EDT SUN MAR 18 2012

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-190230-
/O.CAN.KCLE.FA.A.0002.000000T0000Z-120319T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
INCLUDING THE CITIES OF...TOLEDO...BOWLING GREEN...PORT CLINTON...
FREMONT...SANDUSKY...LORAIN...CLEVELAND...MENTOR...CHARDON...
JEFFERSON...FINDLAY...TIFFIN...NORWALK...MEDINA...AKRON...
RAVENNA...WARREN...UPPER SANDUSKY...CAREY...BUCYRUS...MANSFIELD...
ASHLAND...WOOSTER...CANTON...YOUNGSTOWN...MARION...MOUNT GILEAD...
MILLERSBURG...MOUNT VERNON...ASHTABULA...ERIE...EDINBORO...
MEADVILLE
929 PM EDT SUN MAR 18 2012

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF OHIO AND NORTHWEST PENNSYLVANIA
HAS BEEN CANCELLED. 

THE SIGNIFICANT RAINFALL HAS ENDED. HOWEVER...SOME COUNTIES ARE
STILL UNDER FLOOD WARNINGS AS STREAMS AND CREEKS COULD STILL BE
RISING THROUGH LATE TONIGHT AND THEN BEGIN TO RECEDE. PEOPLE
LIVING IN THE WARNING AREAS NEED TO BE CAUTIOUS IF THEY ENCOUNTER
HIGH WATER.

THE SHOWERS AND THUNDERSTORMS THAT WILL MOVE THROUGH
EXTREME NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA TONIGHT SHOULD
HAVE RAINFALL LESS THAN AN INCH. SINCE THE GROUND IS
SATURATED...SOME PONDING OF WATER ON ROADS AND IN FIELDS COULD OCCUR.

$$

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 4:23 PM EDTAreal Flood AdvisoryCLECrawford, Huron, Richland, Seneca, Wyandot4 hr
Mar 18, 4:31 PM EDTSpecial Marine WarningCLE119 min
Mar 18, 4:34 PM EDTAreal Flood AdvisoryCLELorain4 hr
Mar 18, 4:48 PM EDTFlash Flood WarningCLECrawford, Huron, Seneca4 hr
Mar 18, 5:07 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland38 min
Mar 18, 5:08 PM EDTAreal Flood AdvisoryCLECuyahoga4 hr
Mar 18, 5:49 PM EDTAreal Flood WarningCLEMorrow4 hr
Mar 18, 6:28 PM EDTSevere Thunderstorm WarningCLEAshland, Richland18 min
Mar 18, 6:47 PM EDTAreal Flood WarningCLEAshland, Knox3 hr
Mar 18, 6:48 PM EDTAreal Flood WarningCLELorain, Medina4 hr
Mar 18, 7:03 PM EDTAreal Flood WarningCLECuyahoga4 hr
Mar 18, 7:29 PM EDTAreal Flood WarningCLELake4 hr

Nearby

Flood Watches in Ohio, 2012Flood Watches in Pennsylvania, 2012Every flood watch 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.