Alert archive / Ohio / Areal Flood Advisories in 2021

Areal Flood Advisory 21, NWS Cleveland, OH

June 10, 20214 counties in Ohio

NWS Cleveland, OH issued this areal flood advisory at Jun 10, 2021, 5:57 PM EDT for 4 counties in Ohio. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 10, 2021, 5:57 PM EDT (21:57 UTC)
Expired: Jun 10, 2021, 8:23 PM EDT
In force: 2 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Crawford County, OH, Marion County, OH, Morrow County, OH, Richland County, OH

The radar

The Cleveland radar (KCLE), 113 km from the middle of the area, began a volume at 21:59 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 12:00Z, 10.0 hours before the alert went out and 164 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: 7 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

473 
WGUS81 KCLE 102157
FLSCLE

Flood Advisory
National Weather Service Cleveland OH
557 PM EDT Thu Jun 10 2021

OHC033-101-117-139-110100-
/O.NEW.KCLE.FA.Y.0021.210610T2157Z-210611T0100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crawford OH-Marion OH-Morrow OH-Richland OH-
557 PM EDT Thu Jun 10 2021

The National Weather Service in Cleveland has issued a

* Flood Advisory for...
  Southeastern Crawford County in north central Ohio...
  Northeastern Marion County in north central Ohio...
  Northeastern Morrow County in north central Ohio...
  West Central Richland County in north central Ohio...

* Until 900 PM EDT.

* At 557 PM EDT, Doppler radar indicated heavy rain due to 
  thunderstorms. Minor flooding is ongoing or expected to begin 
  shortly in the advisory area. Between 1 and 2 inches of rain have 
  fallen.

Some locations that will experience flooding include...
  Galion and Iberia.

Additional rainfall of 0.5 to 1.5 inches is expected over the area. 
This additional rain will result in minor flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means river or stream flows are elevated, or 
ponding of water in urban or other areas is occurring or is imminent.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4070 8296 4072 8298 4075 8266 4070 8261
      4069 8263 4065 8276 4065 8292

$$

26

1 follow-up statement

501 
WGUS81 KCLE 110023
FLSCLE

Flood Advisory
National Weather Service Cleveland OH
823 PM EDT Thu Jun 10 2021

OHC033-101-117-139-110033-
/O.CAN.KCLE.FA.Y.0021.000000T0000Z-210611T0100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crawford OH-Marion OH-Morrow OH-Richland OH-
823 PM EDT Thu Jun 10 2021

...FLOOD ADVISORY IS CANCELLED FOR SOUTHEASTERN CRAWFORD, 
NORTHEASTERN MARION, NORTHEASTERN MORROW AND WEST CENTRAL RICHLAND 
COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4070 8296 4072 8298 4075 8266 4070 8261
      4069 8263 4065 8276 4065 8292

$$

Sefcovic

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 3:37 AM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain	19 hr
Jun 10, 3:52 AM EDT	Small Craft Advisory	CLE		19 hr
Jun 10, 3:29 PM EDT	Areal Flood Advisory	CLE	Sandusky, Seneca, Wood	3 hr
Jun 10, 3:45 PM EDT	Areal Flood Advisory	CLE	Huron	3 hr
Jun 10, 5:27 PM EDT	Areal Flood Advisory	CLE	Ashland	2 hr
Jun 10, 5:43 PM EDT	Areal Flood Advisory	CLE	Richland	12 min
Jun 10, 5:53 PM EDT	Areal Flood Advisory	CLE	Ashland, Medina	13 min
Jun 10, 5:55 PM EDT	Flash Flood Warning	CLE	Richland	2 hr
Jun 10, 6:06 PM EDT	Flash Flood Warning	CLE	Ashland, Medina	3 hr
Jun 10, 6:11 PM EDT	Areal Flood Advisory	CLE	Marion	46 min
Jun 10, 6:28 PM EDT	Areal Flood Advisory	CLE	Medina, Summit	25 min
Jun 10, 6:44 PM EDT	Areal Flood Advisory	CLE	Stark, Summit	2 hr
Jun 10, 6:47 PM EDT	Areal Flood Advisory	CLE	Marion	2 hr
Jun 10, 6:53 PM EDT	Flash Flood Warning	CLE	Medina	119 min
Jun 10, 6:57 PM EDT	Flash Flood Warning	CLE	Marion	119 min
Jun 10, 7:13 PM EDT	Flash Flood Warning	CLE	Summit	101 min
Jun 10, 7:56 PM EDT	Areal Flood Advisory	CLE	Richland	3 hr

Nearby

Areal Flood Advisories in Ohio, 2021 Every areal flood advisory in 2021

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.