Alert archive / Ohio / Flash Flood Watches in 2017
Flash Flood Watch 2, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood watch at Jul 12, 2017, 3:18 PM EDT for 28 counties in Ohio; Crawford County, Erie County, Pennsylvania. It took effect at Jul 12, 2017, 8:00 PM EDT. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2017, 3:18 PM EDT (19:18 UTC)
- In effect from
- Jul 12, 2017, 8:00 PM EDT
- Expired
- Jul 14, 2017, 3:59 AM EDT
- In force
- 32 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 19:21 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 (KAGC), launched 12:00Z, 7.3 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.
- Mixed-layer CAPE
- 501 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
314 WGUS61 KCLE 121918 FFACLE URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Cleveland OH 318 PM EDT Wed Jul 12 2017 ...Periods of Torrential Rain Expected Tonight through Friday Morning... .A very warm and humid airmass is in place across the area. Thunderstorms will move into the area tonight into Thursday and will be capable of producing extremely high rainfall rates. Thunderstorms may move over the same areas repeatedly. With soils already saturated from heavy rain earlier this week, flash flooding is possible in any areas where excessive rainfall occurs. OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-130330- /O.NEW.KCLE.FF.A.0002.170713T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Wood-Ottawa-Sandusky-Erie-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- 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, Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 318 PM EDT Wed Jul 12 2017 ...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH FRIDAY MORNING... The National Weather Service in Cleveland has issued a * Flash Flood Watch for portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, 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, Northern Erie, and Southern Erie. * From 8 PM EDT this evening through Friday morning * Thunderstorms producing high rainfall rates will produce localized rainfall amounts of 3 to 5 inches. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
6 follow-up statements
511 WGUS61 KCLE 130131 FFACLE Flood Watch National Weather Service Cleveland OH 931 PM EDT Wed Jul 12 2017 ...Periods of Torrential Rain Expected Tonight through Friday Morning... .A very warm and humid airmass is in place across the area. Thunderstorms will move into the area late tonight into Thursday and will be capable of producing extremely high rainfall rates. Thunderstorms may move over the same areas repeatedly. With soils already saturated from heavy rain earlier this week, flash flooding is possible in any areas where excessive rainfall occurs. OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-130945- /O.CON.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Wood-Ottawa-Sandusky-Erie-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- 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, Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 931 PM EDT Wed Jul 12 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, 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, Northern Erie, and Southern Erie. * Through Friday morning * Thunderstorms producing high rainfall rates will produce localized rainfall amounts of 3 to 5 inches. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
540 WGUS61 KCLE 130821 FFACLE Flood Watch National Weather Service Cleveland OH 421 AM EDT Thu Jul 13 2017 ...Periods of Torrential Rain Expected Today and Tonight... .Showers and thunderstorms will move across the forecast area this morning, then redevelop this afternoon. Some storms will be capable of producing extremely high rainfall rates and may train over the same areas repeatedly. With soils already saturated from heavy rain earlier this week, flash flooding is possible in any areas where excessive rainfall occurs. OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-131630- /O.CON.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Wood-Ottawa-Sandusky-Erie-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- 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, Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 421 AM EDT Thu Jul 13 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, 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, Northern Erie, and Southern Erie. * Through Friday morning * Thunderstorms producing high rainfall rates will produce localized rainfall amounts of 3 to 5 inches by Friday morning. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
292 WGUS61 KCLE 131624 FFACLE Flood Watch National Weather Service Cleveland OH 1224 PM EDT Thu Jul 13 2017 .Scattered showers and thunderstorms will move across the forecast this afternoon. SOme redevelopment is possible, especially near and south of a line from Findlay to Warren. Some storms will be capable of producing extremely high rainfall rates. With soils already saturated from heavy rain earlier this week, flash flooding is possible in any areas where excessive rainfall occurs. OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-140030- /O.CON.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Wood-Ottawa-Sandusky-Erie-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- 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, Bucyrus, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 1224 PM EDT Thu Jul 13 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, 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, Northern Erie, and Southern Erie. * Through Friday morning * Thunderstorms may produce high rainfall rates with localized rainfall amounts of 1 to 3 inches by Friday morning. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
555 WGUS61 KCLE 131920 FFACLE Flood Watch National Weather Service Cleveland OH 320 PM EDT Thu Jul 13 2017 .Scattered showers and thunderstorms will move across the region this evening. The better chances will be near and south of a line from Marion to Warren and across northwest Pennsylvania. Some storms will be capable of producing extremely high rainfall rates. Since soils are already saturated from heavy rain earlier this week, flash flooding is possible where excessive rainfall occurs. OHZ003-006>011-017>019-027-028-132030- /O.CAN.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Hancock-Seneca- Huron-Wyandot-Crawford- Including the cities of Toledo, Bowling Green, Port Clinton, Fremont, Sandusky, Lorain, Cleveland, Findlay, Tiffin, Norwalk, Upper Sandusky, and Bucyrus 320 PM EDT Thu Jul 13 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of north central Ohio, northeast Ohio, and northwest Ohio has been cancelled. The threat for heavy rainfall has ended. $$ OHZ012>014-020>023-029>033-036>038-047-089-PAZ001>003-140330- /O.CON.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lake-Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull- Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox- Ashtabula Lakeshore-Northern Erie-Southern Erie-Crawford- Including the cities of Mentor, Chardon, Jefferson, Medina, Akron, Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 320 PM EDT Thu Jul 13 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Geauga, Holmes, Knox, Lake, Mahoning, Marion, Medina, Morrow, Portage, Richland, Stark, Summit, Trumbull, and Wayne. In northwest Pennsylvania, Crawford, Northern Erie, and Southern Erie. * Through Friday morning * Thunderstorms may produce high rainfall rates with localized rainfall amounts of 1 to 3 inches through Friday morning. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
533 WGUS61 KCLE 140147 FFACLE Flood Watch National Weather Service Cleveland OH 947 PM EDT Thu Jul 13 2017 .A cold front to our northwest will move into the area overnight. With soils are already saturated from heavy rain earlier this week, any thunderstorms that develop along or ahead of the front would be capable of producing locally heavy rainfall which could possibly result in flash flooding. OHZ012>014-020>023-029>033-036>038-047-089-PAZ001>003-141000- /O.CON.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lake-Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull- Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox- Ashtabula Lakeshore-Northern Erie-Southern Erie-Crawford- Including the cities of Mentor, Chardon, Jefferson, Medina, Akron, Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 947 PM EDT Thu Jul 13 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... The Flash Flood Watch continues for * Portions of Ohio and northwest Pennsylvania, including the following areas, in Ohio, Ashland, Ashtabula Inland, Ashtabula Lakeshore, Geauga, Holmes, Knox, Lake, Mahoning, Marion, Medina, Morrow, Portage, Richland, Stark, Summit, Trumbull, and Wayne. In northwest Pennsylvania, Crawford, Northern Erie, and Southern Erie. * Through Friday morning * Scattered thunderstorms may produce local rainfall amounts of 1 to 3 inches through Friday morning. Rain will end with the passage of a cold front on Friday morning. * Excessive rainfall may lead to flash flooding of streams, low lying spots, and poor drainage areas especially in urban and hilly locations. Those camping along area streams and rivers should be especially cautious as streams and rivers can rise to dangerous levels very quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch is issued when there is a potential for flash flooding. Flash flooding is a very dangerous situation. Monitor the forecast and be prepared to take action should Flash Flood Warnings be issued or if flooding develops. && $$
616 WGUS61 KCLE 140759 FFACLE Flood Watch National Weather Service Cleveland OH 359 AM EDT Fri Jul 14 2017 ...FLASH FLOOD WATCH IS CANCELLED... OHZ012>014-020>023-029>033-036>038-047-089-PAZ001>003-140900- /O.CAN.KCLE.FF.A.0002.000000T0000Z-170714T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lake-Geauga-Ashtabula Inland-Medina-Summit-Portage-Trumbull- Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-Holmes-Knox- Ashtabula Lakeshore-Northern Erie-Southern Erie-Crawford- Including the cities of Mentor, Chardon, Jefferson, Medina, Akron, Ravenna, Warren, Mansfield, Ashland, Wooster, Canton, Youngstown, Marion, Mount Gilead, Millersburg, Mount Vernon, Ashtabula, Erie, Edinboro, and Meadville 359 AM EDT Fri Jul 14 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Ohio and northwest Pennsylvania has been cancelled. Scattered showers and thunderstorms remain possible this morning, mainly along and south of a line from Mount Vernon to Canton to Warren. However, additional rainfall is not expected to be sufficient enough to produce flash flooding. Much drier is already starting to work into the region and will bring an end to shower activity by midday. $$
Nearby
Flash Flood Watches in Ohio, 2017Flash Flood Watches in Pennsylvania, 2017Every flash 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.