Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Cleveland, OH

July 13, 2021Portage County, Stark County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 13, 2021, 2:32 PM EDT for Portage County, Stark County, Ohio. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 13, 2021, 2:32 PM EDT (18:32 UTC)
Expired
Jul 13, 2021, 5:01 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Portage County, OH, Stark County, OH

The radar

The Cleveland radar (KCLE), 63 km from the middle of the area, began a volume at 18:32 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 12:00Z, 6.5 hours before the alert went out and 124 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 12:00Z on 2021-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
107 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

706 
WGUS51 KCLE 131832
FFWCLE
OHC133-151-132330-
/O.NEW.KCLE.FF.W.0014.210713T1832Z-210713T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
232 PM EDT Tue Jul 13 2021

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Portage County in northeastern Ohio...
  Central Stark County in northeastern Ohio...

* Until 730 PM EDT.

* At 232 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Canton, Ravenna, Massillon, Kent, Green, Tallmadge, North Canton, 
  Streetsboro, Louisville, Mogadore, Hartville, Garrettsville, 
  Navarre, Mantua, Aurora, Brimfield, Randolph, Atwater, Edinburg 
  and Windham.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area. Areas are quite vulnerable to heavy rainfall after 
recent heavy rain events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Move to higher ground now. Act quickly to protect your life.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 4099 8139 4108 8139 4134 8130 4134 8100
      4068 8125 4068 8154 4090 8145 4090 8142
      4099 8142

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR AND 30 MINUTES

$$

Sefcovic
1 follow-up statement
539 
WGUS71 KCLE 132101
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
501 PM EDT Tue Jul 13 2021

OHC133-151-132111-
/O.CAN.KCLE.FF.W.0014.000000T0000Z-210713T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Portage OH-Stark OH-
501 PM EDT Tue Jul 13 2021

...FLASH FLOOD WARNING IS CANCELLED FOR PORTAGE AND CENTRAL STARK 
COUNTIES...

Additional flooding is not expected and flood waters are receding. 
Please continue to heed remaining road closures.

LAT...LON 4099 8139 4108 8139 4134 8130 4134 8100
      4068 8125 4068 8154 4090 8145 4090 8142
      4099 8142

$$

Jaszka

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 2:26 AM EDTRiver Flood WarningCLELorain24 hr
Jul 13, 11:16 AM EDTRiver Flood WarningCLETrumbull33 hr
Jul 13, 2:07 PM EDTAreal Flood AdvisoryCLEPortage, Stark, Summit3 hr
Jul 13, 3:05 PM EDTAreal Flood AdvisoryCLEGeauga2 hr
Jul 13, 3:31 PM EDTSevere Thunderstorm WarningCLEAshtabula59 min
Jul 13, 4:15 PM EDTSpecial Weather StatementCLERichland30 min
Jul 13, 5:10 PM EDTSpecial Marine WarningCLE65 min
Jul 13, 5:18 PM EDTSpecial Weather StatementCLECrawford27 min
Jul 13, 5:25 PM EDTSpecial Weather StatementCLESandusky35 min
Jul 13, 5:55 PM EDTSpecial Weather StatementCLEErie35 min
Jul 13, 5:58 PM EDTSpecial Marine WarningCLE68 min
Jul 13, 7:36 PM EDTSpecial Weather StatementCLEMedina24 min
Jul 13, 7:52 PM EDTSpecial Weather StatementCLEMedina38 min

Nearby

Flash Flood Warnings in Ohio, 2021Every flash flood warning 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.