Alert archive / Ohio / Flood Watches in 2017

Flood Watch 2, NWS Cleveland, OH

May 3, 201712 counties in Ohio

NWS Cleveland, OH issued this flood watch at May 3, 2017, 5:16 PM EDT for 12 counties in Ohio. It took effect at May 4, 2017, 8:00 AM EDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
May 3, 2017, 5:16 PM EDT (21:16 UTC)
In effect from
May 4, 2017, 8:00 AM EDT
Expired
May 5, 2017, 3:49 PM EDT
In force
32 hr
Issued by
NWS Cleveland, OH
Flood severity
None

Counties Crawford County, OH, Erie County, OH, Hancock County, OH, Huron County, OH, Lorain County, OH, Lucas County, OH, Marion County, OH, Ottawa County, OH, Sandusky County, OH, Seneca County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 104 km from the middle of the area, began a volume at 21:20 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

Detroit, MI (KDTX), launched 12:00Z, 9.3 hours before the alert went out and 172 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, Detroit, MI at 12:00Z on 2017-05-03Temperature 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, Detroit, MI at 12:00Z on 2017-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.1939587897Sfc1 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
967 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

475 
WGUS61 KCLE 032116
FFACLE

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Cleveland OH
516 PM EDT Wed May 3 2017

...Heavy rain is possible Thursday into Friday...

.Low pressure will strengthen in the Mississippi valley overnight
as it moves to western Kentucky by morning. The low will continue
to move slowly northeast across Ohio Thursday night and into
Pennsylvania on Friday. Deep moisture will move into the area  
ahead of the low overrunning a warm front that will stall across 
northwest Ohio. Heavy rain will develop as this moistures moves
over the warm front and the low draws closer. 

OHZ003-006>010-017>019-027-028-036-040530-
/O.NEW.KCLE.FA.A.0002.170504T1200Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
516 PM EDT Wed May 3 2017

...FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
FRIDAY NIGHT...

The National Weather Service in Cleveland has issued a

* Flood Watch for portions of north central Ohio and northwest 
  Ohio, including the following areas, in north central Ohio, 
  Crawford, Erie, Huron, Lorain, and Marion. In northwest Ohio, 
  Hancock, Lucas, Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* From Thursday morning through late Friday night

* There is a potential for heavy rain across northwest Ohio
  Thursday through Friday with total accumulations possibly
  reaching up to 3 inches. With rivers already running high and
  the ground nearly saturated from previous rains flooding will
  be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
7 follow-up statements
686 
WGUS61 KCLE 040142
FFACLE

Flood Watch
National Weather Service Cleveland OH
942 PM EDT Wed May 3 2017

...Heavy rain is possible Thursday into Friday...

.Low pressure will strengthen in the Mississippi valley overnight
as it moves to western Kentucky by morning. The low will continue
to move slowly northeast across Ohio Thursday night and into
Pennsylvania on Friday. Deep moisture will move into the area
ahead of the low overrunning a warm front that will stall across
northwest Ohio. Heavy rain will develop as this moistures moves
over the warm front and the low draws closer.

OHZ003-006>010-017>019-027-028-036-040945-
/O.CON.KCLE.FA.A.0002.170504T1200Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
942 PM EDT Wed May 3 2017

...FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THURSDAY THROUGH
LATE FRIDAY NIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* From 8 AM EDT Thursday through late Friday night

* There is a potential for heavy rain across northwest Ohio 
  Thursday through Friday with total accumulations possibly 
  reaching up to 3 inches. With rivers already running high and 
  the ground nearly saturated from previous rains flooding will 
  be possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
864 
WGUS61 KCLE 040755
FFACLE

Flood Watch
National Weather Service Cleveland OH
355 AM EDT Thu May 4 2017

...Heavy rain expected today and Friday...

.Low pressure over the Mississippi Valley will slowly move 
northeast to the Ohio Valley by tonight. The low will continue to 
drift northeast to the eastern Great Lakes by Saturday. Deep 
moisture will move into the area ahead of the low with rain 
focused along a warm front that will stall across northwest Ohio. 
The rain will be heavy at times, especially overnight into Friday
morning bringing 2 to 3 inches of rain to the area. Nearly 
saturated ground conditions and already elevated river levels 
will enhance the flood threat. 

OHZ003-006>010-017>019-027-028-036-041600-
/O.CON.KCLE.FA.A.0002.170504T1200Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
355 AM EDT Thu May 4 2017

...FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH LATE FRIDAY NIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* From 8 AM EDT this morning through late Friday night

* Heavy rain of 2 to 3 inches is likely across northwest Ohio. 

* Significant rises can be expected on many area rivers and
  flooding is possible. 

* Flooding of low lying and poor drainage areas may occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
023 
WGUS61 KCLE 041508
FFACLE

Flood Watch
National Weather Service Cleveland OH
1108 AM EDT Thu May 4 2017

...Heavy rain expected today and Friday...

.Low pressure over the Mississippi Valley will slowly move
northeast to the Ohio Valley by tonight. The low will continue to
drift northeast to the eastern Great Lakes by Saturday. Deep
moisture will move into the area ahead of the low with rain
focused along a warm front that will stall across northwest Ohio.
The rain will be heavy at times, especially overnight into Friday
morning bringing 2 to 3 inches of rain to the area. Nearly
saturated ground conditions and already elevated river levels
will enhance the flood threat.

OHZ003-006>010-017>019-027-028-036-042315-
/O.CON.KCLE.FA.A.0002.000000T0000Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
1108 AM EDT Thu May 4 2017

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE FRIDAY NIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* Through late Friday night

* Heavy rain of 2 to 3 inches is likely across northwest Ohio.

* Significant rises can be expected on many area rivers and 
  flooding is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
531 
WGUS61 KCLE 042241
FFACLE

Flood Watch
National Weather Service Cleveland OH
641 PM EDT Thu May 4 2017

...Heavy rain expected tonight and Friday...

.Low pressure will slowly move northeast along the Ohio Valley
through Friday. The low will continue to drift northeast to the 
eastern Great Lakes by Saturday. Deep moisture will move into the 
area ahead of the low with rain focused along a warm front that 
will stall across northwest Ohio. The rain will be heavy at times,
especially overnight into Friday morning bringing 2 to 3 inches 
of rain to the area. Nearly saturated ground conditions and 
already elevated river levels will enhance the flood threat.

OHZ003-006>010-017>019-027-028-036-051000-
/O.CON.KCLE.FA.A.0002.000000T0000Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
641 PM EDT Thu May 4 2017

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE FRIDAY NIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* Through late Friday night

* Heavy rain of 2 to 3 inches is likely across northwest Ohio.

* Significant rises can be expected on many area rivers and 
  flooding is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
699 
WGUS61 KCLE 050805
FFACLE

Flood Watch
National Weather Service Cleveland OH
405 AM EDT Fri May 5 2017

...Heavy rain expected today...

.Low pressure will slowly move northeast along the Ohio Valley
today. The low will continue to drift northeast to the eastern 
Great Lakes by Saturday. The rain will be moderate to heavy at 
times this morning. Additional rainfall amounts up to 1 inch are
possible today. Nearly saturated ground conditions and already 
elevated river levels will enhance the flood threat.

OHZ003-006>010-017>019-027-028-036-051615-
/O.CON.KCLE.FA.A.0002.000000T0000Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
405 AM EDT Fri May 5 2017

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* Through late tonight

* Heavy rain of 1 inch with storm total rainfall amounts of 2 to 
  3 inches is likely across northwest Ohio.

* Significant rises can be expected on many area rivers and
  streams and flooding is possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$

Lombardy
032 
WGUS61 KCLE 051631
FFACLE

Flood Watch
National Weather Service Cleveland OH
1231 PM EDT Fri May 5 2017

OHZ003-006>010-017>019-027-028-036-060045-
/O.CON.KCLE.FA.A.0002.000000T0000Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
1231 PM EDT Fri May 5 2017

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

The Flood Watch continues for

* Portions of north central Ohio and northwest Ohio, including 
  the following areas, in north central Ohio, Crawford, Erie, 
  Huron, Lorain, and Marion. In northwest Ohio, Hancock, Lucas, 
  Ottawa, Sandusky, Seneca, Wood, and Wyandot. 

* Through late tonight

* An additional half an inch with locally 1 inch possible through
  tonight. Storm total rainfall has been around 2 inches.

* Significant rises can be expected on many area rivers and
  streams and flooding is possible. Some flooding of roadways may
  also occur as the steady rains persist.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is issued when there is a potential for flooding.
Monitor the forecast and remain alert for possible flood
warnings. Those in areas prone to flooding should be prepared to
take action should a flood warning be issued or if flooding
develops.

&&

$$
935 
WGUS61 KCLE 051949
FFACLE

Flood Watch
National Weather Service Cleveland OH
349 PM EDT Fri May 5 2017

OHZ003-006>010-017>019-027-028-036-052100-
/O.CAN.KCLE.FA.A.0002.000000T0000Z-170506T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Wyandot-Crawford-Marion-
Including the cities of Toledo, Bowling Green, Port Clinton, 
Fremont, Sandusky, Lorain, Findlay, Tiffin, Norwalk, 
Upper Sandusky, Bucyrus, and Marion
349 PM EDT Fri May 5 2017

...FLOOD WATCH IS CANCELLED...

The Flood Watch for portions of north central Ohio and northwest
Ohio has been cancelled. 

Water levels will continue to slowly recede through the remainder
of the night. Please pay attention to any any higher water signs
that may be placed on area roadways through the night. 

$$

Nearby

Flood Watches in Ohio, 2017Every flood watch in 2017

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.