Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 10, NWS Cleveland, OH

June 29, 2021Trumbull County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 29, 2021, 7:29 PM EDT for Trumbull County, Ohio. It was in force for 3 hr. 2 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
Jun 29, 2021, 7:29 PM EDT (23:29 UTC)
Expired
Jun 29, 2021, 10:44 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Trumbull County, OH

The radar

The Cleveland radar (KCLE), 90 km from the middle of the area, began a volume at 23:33 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

TimeReportWhereRemark
Jun 29, 7:40 PM EDTFLOOD2 Se Howland Center, OHSTREET FLOODING ON AVALON DRIVE.
Jun 29, 7:51 PM EDTHEAVY RAIN 2.471 Ese Vienna, OHONE HOUR RAINFALL. ASOS STATION KYNG YOUNGSTOWN.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.5 hours before the alert went out and 109 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
805 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

359 
WGUS51 KCLE 292329
FFWCLE
OHC155-300430-
/O.NEW.KCLE.FF.W.0010.210629T2329Z-210630T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
729 PM EDT Tue Jun 29 2021

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Southern Trumbull County in northeastern Ohio...

* Until 1230 AM EDT.

* At 729 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...
  Youngstown, Warren, Niles, Hubbard, Cortland, Newton Falls, 
  Lordstown, Hilltop, Vienna Center, Leavittsburg, Maplewood Park, 
  Austintown, Girard, Vienna, McDonald, Windham, Orangeville, Yankee 
  Lake, Howland Center and Bolindale.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4125 8100 4138 8052 4113 8052 4113 8100

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
885 
WGUS71 KCLE 300244
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
1044 PM EDT Tue Jun 29 2021

OHC155-300254-
/O.CAN.KCLE.FF.W.0010.000000T0000Z-210630T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trumbull OH-
1044 PM EDT Tue Jun 29 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN TRUMBULL COUNTY...

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

LAT...LON 4125 8100 4138 8052 4113 8052 4113 8100

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 12:31 PM EDTSpecial Weather StatementCLELake44 min
Jun 29, 1:34 PM EDTSpecial Weather StatementCLELake41 min
Jun 29, 1:46 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake44 min
Jun 29, 1:58 PM EDTSpecial Weather StatementCLEAshtabula47 min
Jun 29, 2:01 PM EDTSpecial Weather StatementCLECrawford29 min
Jun 29, 2:11 PM EDTAreal Flood AdvisoryCLEGeauga, Lake3 hr
Jun 29, 2:18 PM EDTSpecial Weather StatementCLEMarion27 min
Jun 29, 2:30 PM EDTSpecial Weather StatementCLELake45 min
Jun 29, 2:47 PM EDTSpecial Weather StatementCLEErie43 min
Jun 29, 2:51 PM EDTSpecial Weather StatementCLECrawford24 min
Jun 29, 3:08 PM EDTSpecial Weather StatementCLECuyahoga52 min
Jun 29, 3:22 PM EDTSpecial Weather StatementCLELorain53 min
Jun 29, 3:27 PM EDTSpecial Weather StatementCLECrawford48 min
Jun 29, 3:28 PM EDTSpecial Marine WarningCLE2 hr
Jun 29, 3:29 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland, Seneca, Wyandot46 min
Jun 29, 3:55 PM EDTSevere Thunderstorm WarningCLELorain, Medina50 min
Jun 29, 3:58 PM EDTSevere Thunderstorm WarningCLECrawford, Seneca, Wyandot47 min
Jun 29, 4:06 PM EDTSpecial Marine WarningCLE114 min
Jun 29, 4:10 PM EDTAreal Flood AdvisoryCLECrawford, Wyandot3 hr
Jun 29, 4:14 PM EDTSpecial Weather StatementCLEMorrow46 min
Jun 29, 4:40 PM EDTAreal Flood AdvisoryCLEMorrow3 hr
Jun 29, 4:45 PM EDTSpecial Weather StatementCLEWood45 min
Jun 29, 4:49 PM EDTSpecial Weather StatementCLEKnox41 min
Jun 29, 4:49 PM EDTSpecial Weather StatementCLEMedina41 min
Jun 29, 5:06 PM EDTSevere Thunderstorm WarningCLELorain, Medina39 min
Jun 29, 5:09 PM EDTSpecial Weather StatementCLEAshland, Knox51 min
Jun 29, 5:24 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Knox, Wayne51 min
Jun 29, 5:28 PM EDTSpecial Marine WarningCLE92 min
Jun 29, 5:35 PM EDTSpecial Weather StatementCLEWyandot40 min
Jun 29, 5:42 PM EDTSevere Thunderstorm WarningCLEMedina, Summit, Wayne33 min
Jun 29, 6:10 PM EDTSpecial Weather StatementCLESandusky50 min
Jun 29, 6:13 PM EDTSpecial Marine WarningCLE71 min
Jun 29, 6:36 PM EDTSpecial Weather StatementCLEMahoning, Portage, Trumbull54 min
Jun 29, 6:36 PM EDTSevere Thunderstorm WarningCLEWyandot39 min
Jun 29, 6:42 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull63 min
Jun 29, 6:43 PM EDTAreal Flood AdvisoryCLEWyandot3 hr
Jun 29, 7:05 PM EDTAreal Flood AdvisoryCLEHancock, Ottawa, Sandusky, Seneca, Wood3 hr
Jun 29, 7:05 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland, Seneca, Wyandot27 min
Jun 29, 7:56 PM EDTSpecial Marine WarningCLE94 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.