Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 21, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 19, 2021, 3:45 PM EDT for Trumbull County, Ohio. It was in force for 4 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
- Aug 19, 2021, 3:45 PM EDT (19:45 UTC)
- Expired
- Aug 19, 2021, 7:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Trumbull County, OH
The radar
The Pittsburgh radar (KPBZ), 89 km from the middle of the area, began a volume at 19:46 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 |
|---|---|---|---|
| Aug 19, 3:51 PM EDT | HEAVY RAIN 2.36 | Vienna, OH | RAIN FELL IN 40 MINUTES AT THE YOUNGSTOWN AIRPORT. |
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, 7.8 hours before the alert went out and 105 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.
- Mixed-layer CAPE
- 156 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 559 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
371
WGUS51 KCLE 191945
FFWCLE
OHC155-192345-
/O.NEW.KCLE.FF.W.0021.210819T1945Z-210819T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
345 PM EDT Thu Aug 19 2021
The National Weather Service in Cleveland has issued a
* Flash Flood Warning for...
Southeastern Trumbull County in northeastern Ohio...
* Until 745 PM EDT.
* At 345 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Additional rainfall amounts of
locally 1 to 2 inches are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Warren, Niles, Hubbard, Lordstown, Vienna Center, Hilltop,
Maplewood Park, Leavittsburg, Austintown, Girard, Vienna,
McDonald, Yankee Lake, Churchill, Howland Center, Bolindale,
Mineral Ridge, Brookfield Center and West Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4124 8088 4128 8075 4130 8052 4113 8052
4113 8087 4119 8088
FLASH FLOOD...RADAR INDICATED
$$
Kahn2 follow-up statements
857
WGUS71 KCLE 192105
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
505 PM EDT Thu Aug 19 2021
OHC155-192345-
/O.CON.KCLE.FF.W.0021.000000T0000Z-210819T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trumbull OH-
505 PM EDT Thu Aug 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT THIS
EVENING FOR SOUTHEASTERN TRUMBULL COUNTY...
At 505 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Additional rainfall amounts of 0.5 to
1.5 inches are possible in the warned area as rain looks to move
back into the area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Youngstown, Warren, Niles, Hubbard, Lordstown, Vienna Center,
Hilltop, Maplewood Park, Leavittsburg, Austintown, Girard, Vienna,
McDonald, Yankee Lake, Churchill, Howland Center, Bolindale,
Mineral Ridge, Brookfield Center and West Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4124 8088 4128 8075 4130 8052 4113 8052
4113 8087 4119 8088
FLASH FLOOD...RADAR INDICATED
$$
26699
WGUS71 KCLE 192344
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
744 PM EDT Thu Aug 19 2021
OHC155-192354-
/O.EXP.KCLE.FF.W.0021.000000T0000Z-210819T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trumbull OH-
744 PM EDT Thu Aug 19 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 745 PM EDT THIS EVENING FOR
SOUTHEASTERN TRUMBULL COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 4124 8088 4128 8075 4130 8052 4113 8052
4113 8087 4119 8088
$$
26The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:08 PM EDT | Areal Flood Advisory | CLE | Mahoning, Trumbull | 3 hr |
| Aug 19, 4:02 PM EDT | Areal Flood Advisory | CLE | Ashtabula, Trumbull | 3 hr |
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.