Alert archive / Ohio / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Cleveland, OH

September 3, 2018Lucas County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 3, 2018, 5:54 PM EDT for Lucas County, Ohio. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 3, 2018, 5:54 PM EDT (21:54 UTC)
Expired: Sep 3, 2018, 8:27 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Flood severity: None

County Lucas County, OH

The radar

The Detroit radar (KDTX), 118 km from the middle of the area, began a volume at 21:56 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.

What was reported inside it

Time	Report	Where	Remark
Sep 3, 6:15 PM EDT	FLASH FLOOD	3 Nw Toledo, OH	CAR SUBMERGED IN 3 FEET OF WATER WEST CENTRAL AVE AT UPTON.
Sep 3, 6:15 PM EDT	FLASH FLOOD	Ottawa Hills, OH	STREET FLOODING. ESTIMATED 8 INCHES OF WATER ON ROAD IN THE UNIVERSITY OF TOLEDO AREA. PICTURE VIA SOCIAL MEDIA.
Sep 3, 7:58 PM EDT	FLASH FLOOD	Ottawa Hills, OH	SEVERAL CARS STRANDED ON DOUGLAS RD NEAR OLD ORCHARD SCHOOL, NORTH OF THE UNIVERSITY OF TOLEDO AND ON DOUGLAS NEAR WEST CENTRAL AVE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.9 hours before the alert went out and 121 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: 1344 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 780 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

474 
WGUS51 KCLE 032154
FFWCLE
OHC095-040200-
/O.NEW.KCLE.FF.W.0013.180903T2154Z-180904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
554 PM EDT MON SEP 3 2018

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Northwestern Lucas County in northwestern Ohio...

* Until 1000 PM EDT.

* At 554 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Oregon, Northwood, Holland, Maumee, Ottawa Hills and Harbor View. 

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 4166 8377 4173 8368 4173 8339 4164 8332
      4161 8342 4162 8357 4157 8362 4155 8367

$$

King

1 follow-up statement

784 
WGUS71 KCLE 040027
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
827 PM EDT MON SEP 3 2018

OHC095-040037-
/O.CAN.KCLE.FF.W.0013.000000T0000Z-180904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lucas OH-
827 PM EDT MON SEP 3 2018

...THE FLASH FLOOD WARNING FOR NORTHWESTERN LUCAS COUNTY IS
CANCELLED...

The heavy rain has ended and flood waters have receded. Flooding is 
no longer expected to pose a threat. Please continue to heed any 
remaining road closures.

LAT...LON 4166 8377 4173 8368 4173 8339 4164 8332
      4161 8342 4162 8357 4157 8362 4155 8367

$$

Sefcovic

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 5:23 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Trumbull	36 min
Sep 3, 5:39 PM EDT	Flash Flood Warning	CLE	Mahoning, Trumbull	4 hr
Sep 3, 6:12 PM EDT	Areal Flood Advisory	CLE	Portage	2 hr
Sep 3, 6:19 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	41 min

Nearby

Flash Flood Warnings in Ohio, 2018 Every flash flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.