Alert archive / Ohio / Flash Flood Warnings in 2020

Flash Flood Warning 2, NWS Cleveland, OH

March 29, 2020Cuyahoga County, Ohio

NWS Cleveland, OH issued this flash flood warning at Mar 29, 2020, 6:54 AM EDT for Cuyahoga County, Ohio. It was in force for 5 hr. 1 report 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
Mar 29, 2020, 6:54 AM EDT (10:54 UTC)
Expired
Mar 29, 2020, 11:45 AM EDT
In force
5 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Cuyahoga County, OH

The radar

The Cleveland radar (KCLE), 26 km from the middle of the area, began a volume at 10:54 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
Mar 29, 8:04 AM EDTFLOOD1 W Valley View, OHWATER UP PAST THE HOOD OF A CAR.

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 00:00Z, 10.9 hours before the alert went out and 167 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 00:00Z on 2020-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 00:00Z on 2020-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.1939587897Sfc1 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
8 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

582 
WGUS51 KCLE 291054
FFWCLE
OHC035-291545-
/O.NEW.KCLE.FF.W.0002.200329T1054Z-200329T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
654 AM EDT Sun Mar 29 2020

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Cuyahoga County in northeastern Ohio...

* Until 1145 AM EDT.

* At 646 AM EDT, Flash flooding was ongoing across large portions of 
  Cuyahoga County. The flash flood warning has been expanded into 
  northeast Cuyahoga County where portions of Interstate 90 are 
  closed due to flooding. The National Weather Service in Cleveland 
  is extending the earlier flash flood warning as flood waters are 
  expected to impact the area through at least late morning. Local 
  law enforcement has issued a do not travel alert for some of the 
  areas impacted. 

* Portions of Cuyahoga County have reported 2 to 3 inches of 
  rainfall in the last 24 hours. Most small streams and creeks came 
  out of banks, notably the Big Creek, Mill Creek, and Tinkers 
  Creek. Standing water remains a problem across large portions of 
  the area with numerous road closures. Only light to moderate rain 
  showers are expected across the warned area the rest of the day, 
  with little additional rainfall. Flood waters are expected to 
  gradually recede later this morning through midday. 


  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Law enforcement.

  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 flooding include...
  Cleveland, Parma, Lakewood, Euclid, Cleveland Heights,
  Strongsville, North Royalton, Solon, Warrensville Heights, Highland
  Hills, Garfield Heights, Shaker Heights, Maple Heights, South
  Euclid, Parma Heights, Broadview Heights, Brook Park, Mayfield
  Heights, Berea and East Cleveland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4164 8149 4157 8149 4156 8139 4145 8139
      4142 8137 4142 8139 4135 8140 4135 8159
      4133 8159 4128 8157 4128 8188 4141 8187
      4149 8179

FLASH FLOOD...OBSERVED

$$

Jamison

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 8:57 PM EDTSpecial Weather StatementCLEKnox33 min
Mar 28, 9:04 PM EDTSevere Thunderstorm WarningCLEKnox26 min
Mar 28, 9:21 PM EDTAreal Flood WarningCLEKnox6 hr
Mar 28, 9:23 PM EDTLow Water AdvisoryCLE24 hr
Mar 28, 10:14 PM EDTRiver Flood WarningCLESandusky, Wood47 hr
Mar 29, 12:31 AM EDTAreal Flood AdvisoryCLEHancock, Seneca, Wood, Wyandot4 hr
Mar 29, 1:18 AM EDTSpecial Weather StatementCLEHuron42 min
Mar 29, 1:23 AM EDTSpecial Weather StatementCLEAshland, Richland52 min
Mar 29, 1:24 AM EDTAreal Flood AdvisoryCLEErie, Huron, Lorain4 hr
Mar 29, 1:29 AM EDTAreal Flood AdvisoryCLECuyahoga4 hr
Mar 29, 1:58 AM EDTFlash Flood WarningCLECuyahoga, Lorain6 hr
Mar 29, 2:31 AM EDTRiver Flood WarningCLEHancock30 hr
Mar 29, 2:33 AM EDTSpecial Weather StatementCLEGeauga42 min
Mar 29, 2:46 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Trumbull4 hr
Mar 29, 3:44 AM EDTRiver Flood WarningCLECuyahoga21 hr
Mar 29, 3:44 AM EDTRiver Flood WarningCLEHancock18 hr
Mar 29, 5:14 AM EDTRiver Flood WarningCLETrumbull26 hr
Mar 29, 5:52 AM EDTRiver Flood WarningCLELake15 hr
Mar 29, 5:52 AM EDTRiver Flood WarningCLELake14 hr
Mar 29, 6:35 AM EDTAreal Flood AdvisoryCLEAshtabula, Geauga, Trumbull6 hr
Mar 29, 8:10 AM EDTRiver Flood WarningCLEErie19 hr
Mar 29, 9:10 AM EDTRiver Flood WarningCLESeneca6 hr
Mar 29, 11:54 AM EDTAreal Flood AdvisoryCLECuyahoga4 hr
Mar 29, 12:39 PM EDTRiver Flood WarningCLEHolmes, Wayne4 days
Mar 29, 2:16 PM EDTGale WarningCLE7 hr
Mar 29, 2:16 PM EDTSmall Craft AdvisoryCLE32 hr
Mar 29, 3:26 PM EDTRiver Flood WarningCLETrumbull14 hr

Nearby

Flash Flood Warnings in Ohio, 2020Every flash flood warning in 2020

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.