Alert archive / Ohio / Flash Flood Warnings in 2026
Flash Flood Warning 4, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Mar 31, 2026, 10:38 PM EDT for Mahoning County, 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
- Mar 31, 2026, 10:38 PM EDT (02:38 UTC)
- Expired
- Apr 1, 2026, 1:54 AM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mahoning County, OH, Trumbull County, OH
The radar
The Pittsburgh radar (KPBZ), 79 km from the middle of the area, began a volume at 02:39 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 |
|---|---|---|---|
| Mar 31, 11:55 PM EDT | FLOOD | 1 Wnw Austintown, OH | County dispatch reports numerous calls of flooding in basements the Austintown area. |
| Mar 31, 11:59 PM EDT | FLOOD | 1 Ese Lowellville, OH | County dispatch reports numerous calls of flooding in basements the Lowellville area. |
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, 2.6 hours before the alert went out and 95 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
- 161 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1899 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
213
WGUS51 KCLE 010238
FFWCLE
OHC099-155-010600-
/O.NEW.KCLE.FF.W.0004.260401T0238Z-260401T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
1038 PM EDT Tue Mar 31 2026
The National Weather Service in Cleveland has issued a
* Flash Flood Warning for...
Northern Mahoning County in northeastern Ohio...
Southern Trumbull County in northeastern Ohio...
* Until 200 AM EDT.
* At 1038 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1.5 inches of
rain have fallen. Additional rainfall amounts of 0.5 to 1.5 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...
Youngstown, Warren, Boardman, Niles, Campbell, Hubbard, Canfield,
Newton Falls, Lordstown, Hilltop, Vienna Center, Leavittsburg,
Maplewood Park, Austintown, Struthers, Girard, Vienna, McDonald,
Poland and Windham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4125 8100 4126 8100 4129 8100 4128 8052
4119 8052 4118 8052 4117 8052 4116 8052
4115 8052 4113 8052 4110 8052 4106 8052
4105 8052 4104 8052 4103 8052 4102 8052
4103 8100 4121 8100
FLASH FLOOD...RADAR INDICATED
$$
Sullivan2 follow-up statements
341
WGUS71 KCLE 010413
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
1213 AM EDT Wed Apr 1 2026
OHC099-155-010600-
/O.CON.KCLE.FF.W.0004.000000T0000Z-260401T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mahoning OH-Trumbull OH-
1213 AM EDT Wed Apr 1 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 AM EDT EARLY THIS
MORNING FOR NORTHERN MAHONING AND SOUTHERN TRUMBULL COUNTIES...
At 1213 AM EDT, local law enforcement reported flooding across the
warned area. Between 1 and 2 inches of rain have fallen. Additional
rainfall amounts up to 0.5 inches are possible in the warned area.
Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Youngstown, Warren, Boardman, Niles, Campbell, Hubbard, Canfield,
Newton Falls, Lordstown, Hilltop, Vienna Center, Leavittsburg,
Maplewood Park, Austintown, Struthers, Girard, Vienna, McDonald,
Poland and Windham.
There have been reports of flooded roads and basements, especially
in the Austintown, Boardman, and Lowellville areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4125 8100 4126 8100 4129 8100 4128 8052
4119 8052 4118 8052 4117 8052 4116 8052
4115 8052 4113 8052 4110 8052 4106 8052
4105 8052 4104 8052 4103 8052 4102 8052
4103 8100 4121 8100
FLASH FLOOD...OBSERVED
$$
Sullivan577
WGUS71 KCLE 010554
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
154 AM EDT Wed Apr 1 2026
OHC099-155-010604-
/O.CAN.KCLE.FF.W.0004.000000T0000Z-260401T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mahoning OH-Trumbull OH-
154 AM EDT Wed Apr 1 2026
...FLASH FLOOD WARNING FOR NORTHERN MAHONING AND SOUTHERN TRUMBULL
COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...
&&
LAT...LON 4125 8100 4126 8100 4129 8100 4128 8052
4119 8052 4118 8052 4117 8052 4116 8052
4115 8052 4113 8052 4110 8052 4106 8052
4105 8052 4104 8052 4103 8052 4102 8052
4103 8100 4121 8100
$$
SullivanThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Hancock, Seneca, Wyandot | 42 min |
| Mar 31, 8:04 PM EDT | Areal Flood Advisory | CLE | Ashtabula, Cuyahoga, Erie, Geauga, Huron, Lorain and 4 more | 3 hr |
| Mar 31, 8:15 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Erie, Lorain | 4 hr |
| Mar 31, 8:31 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Portage, Summit | 44 min |
| Mar 31, 8:43 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Crawford, Huron, Marion, Morrow, Richland and 2 more | 47 min |
| Mar 31, 8:47 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Trumbull | 43 min |
| Mar 31, 9:01 PM EDT | Flash Flood Warning | CLE | Geauga | 3 hr |
| Mar 31, 9:25 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Holmes, Knox, Richland, Wayne | 50 min |
| Mar 31, 9:31 PM EDT | Areal Flood Advisory | CLE | Mahoning, Medina, Portage, Summit, Trumbull | 3 hr |
| Mar 31, 9:39 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 36 min |
| Mar 31, 9:43 PM EDT | Tornado Warning | CLE | Holmes, Stark, Wayne | 32 min |
| Mar 31, 10:16 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Stark, Summit | 44 min |
| Mar 31, 11:18 PM EDT | Areal Flood Advisory | CLE | Erie, Lorain | 3 hr |
| Mar 31, 11:33 PM EDT | River Flood Warning | CLE | Lake | 6 hr |
| Apr 1, 12:02 AM EDT | Areal Flood Warning | CLE | Cuyahoga, Geauga | 4 hr |
| Apr 1, 12:50 AM EDT | Areal Flood Warning | CLE | Cuyahoga, Geauga, Lake | 5 hr |
| Apr 1, 1:54 AM EDT | Areal Flood Warning | CLE | Mahoning, Trumbull | 5 hr |
| Apr 1, 2:53 AM EDT | Areal Flood Warning | CLE | Crawford, Hancock, Huron, Richland, Seneca, Wyandot | 16 hr |
| Apr 1, 3:33 AM EDT | River Flood Warning | CLE | Lorain | 60 hr |
| Apr 1, 4:11 AM EDT | Areal Flood Warning | CLE | Ashland, Holmes, Richland, Stark, Wayne | 6 hr |
| Apr 1, 5:16 AM EDT | River Flood Warning | CLE | Trumbull | 54 hr |
| Apr 1, 5:25 AM EDT | River Flood Warning | CLE | Hancock | 34 hr |
| Apr 1, 6:14 AM EDT | River Flood Warning | CLE | Holmes, Wayne | 9 days |
| Apr 1, 11:05 AM EDT | River Flood Warning | CLE | Seneca | 4 days |
| Apr 1, 12:41 PM EDT | Areal Flood Advisory | CLE | Lucas, Ottawa, Sandusky, Wood | 9 hr |
| Apr 1, 1:18 PM EDT | Areal Flood Warning | CLE | Erie, Huron, Lorain, Ottawa, Sandusky, Seneca | 6 hr |
| Apr 1, 2:05 PM EDT | River Flood Warning | CLE | Erie | 28 hr |
| Apr 1, 2:17 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Geauga, Lake, Medina, Portage, Summit | 6 hr |
| Apr 1, 2:49 PM EDT | Small Craft Advisory | CLE | 19 hr | |
| Apr 1, 4:19 PM EDT | Areal Flood Warning | CLE | Hancock, Wood, Wyandot | 10 hr |
| Apr 1, 4:45 PM EDT | Areal Flood Advisory | CLE | Mahoning, Portage, Stark, Summit, Trumbull | 6 hr |
| Apr 1, 6:23 PM EDT | River Flood Warning | CLE | Summit | 11 hr |
| Apr 1, 7:20 PM EDT | Areal Flood Advisory | CLE | Crawford, Huron, Richland, Seneca, Wyandot | 4 hr |
| Apr 1, 7:22 PM EDT | Areal Flood Advisory | CLE | Erie, Huron, Lorain, Ottawa, Sandusky, Seneca | 4 hr |
| Apr 1, 7:34 PM EDT | River Flood Warning | CLE | Hancock | 27 hr |
| Apr 1, 7:34 PM EDT | River Flood Warning | CLE | Lucas, Wood | 5 days |
Nearby
Flash Flood Warnings in Ohio, 2026Every flash flood warning in 2026
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.