Alert archive / Ohio / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Mar 18, 2012, 4:48 PM EDT for Crawford County, Huron County, Seneca County, Ohio. It was in force for 4 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
- Mar 18, 2012, 4:48 PM EDT (20:48 UTC)
- Expired
- Mar 18, 2012, 8:40 PM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, OH, Huron County, OH, Seneca County, OH
The radar
The Cleveland radar (KCLE), 87 km from the middle of the area, began a volume at 20:48 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
Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 194 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
- 323 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
325
WGUS51 KCLE 182048
FFWCLE
OHC033-077-147-190100-
/O.NEW.KCLE.FF.W.0001.120318T2048Z-120319T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
448 PM EDT SUN MAR 18 2012
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAWFORD COUNTY IN NORTH CENTRAL OHIO...
EASTERN SENECA COUNTY IN NORTHWEST OHIO...
HURON COUNTY IN NORTH CENTRAL OHIO...
* UNTIL 900 PM EDT.
* AT 444 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. SOME LOCATIONS HAD BETWEEN ONE AND TWO INCHES OF RAIN
THIS AFTERNOON AND THEY MAY GET ANOTHER INCH OR TWO AS MORE
THUNDERSTORMS MOVE ACROSS THE REGION THROUGH THE EARLY EVENING
HOURS.
* LOCATIONS IMPACTED INCLUDE...
NORWALK...
FITCHVILLE...
BUCYRUS...
WILLARD...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.
&&
LAT...LON 4099 8310 4100 8278 4100 8308 4126 8297
4125 8285 4129 8284 4128 8235 4107 8234
4106 8243 4100 8244 4099 8272 4071 8273
4070 8310
$$
KIELTYKA3 follow-up statements
335
WGUS71 KCLE 182316
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
716 PM EDT SUN MAR 18 2012
OHC033-077-147-190100-
/O.CON.KCLE.FF.W.0001.000000T0000Z-120319T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD OH-HURON OH-SENECA OH-
716 PM EDT SUN MAR 18 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR HURON AND CRAWFORD
COUNTIES IN NORTH CENTRAL OHIO...AND EASTERN SENECA COUNTY IN
NORTHWEST OHIO UNTIL 900 PM EDT...
AT 703 PM EDT...THE HEAVIEST RAIN HAS MOVED OUT OF THE WARNED AREA WITH
LIGHT TO MODERATE RAINFALL EXPECTED THROUGH 900 PM. DOPPLER RADAR ESTIMATED
THE EARLIER STORMS BROUGHT UPWARDS OF TWO INCHES TO THE AREA...WITH THE
HEAVIEST RAIN OVER NORTHERN CRAWFORD AND SOUTHERN HURON COUNTIES. THE
RUNOFF FROM THIS EXCESSIVE RAIN WILL CONTINUE THROUGH THIS EVENING.
SMALL STREAMS AND CREEKS CAN BE OVERWHELMED BY RUNOFF AND CAN COME OUT OF
THEIR BANKS IN A FLASH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF DRIVING...SLOW DOWN! BE ALERT FOR LOW
SPOTS...DIPS...AND UNDERPASSES WHICH MAY BE FLOODED. PEOPLE IN LOW
LYING AREAS ALONG CREEKS AND STREAMS SHOULD MOVE TO HIGHER GROUND TO
ESCAPE RISING WATER LEVELS.
&&
LAT...LON 4099 8310 4100 8278 4100 8308 4126 8297
4125 8285 4129 8284 4128 8235 4107 8234
4106 8243 4100 8244 4099 8272 4071 8273
4070 8310
$$
SJAMISON405
WGUS71 KCLE 190037
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
837 PM EDT SUN MAR 18 2012
OHC033-077-147-190037-
/O.CAN.KCLE.FF.W.0001.000000T0000Z-120319T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD OH-HURON OH-SENECA OH-
837 PM EDT SUN MAR 18 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR HURON AND CRAWFORD
COUNTIES IN NORTH CENTRAL OHIO...AND EASTERN SENECA COUNTY IN
NORTHWEST OHIO IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN CLEVELAND.
LAT...LON 4099 8310 4100 8278 4100 8308 4126 8297
4125 8285 4129 8284 4128 8235 4107 8234
4106 8243 4100 8244 4099 8272 4071 8273
4070 8310
$$
KIELTYKA555
WGUS71 KCLE 190040 CCA
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 PM EDT SUN MAR 18 2012
OHC033-077-147-190047-
/O.CAN.KCLE.FF.W.0001.000000T0000Z-120319T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD OH-HURON OH-SENECA OH-
840 PM EDT SUN MAR 18 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR HURON AND CRAWFORD
COUNTIES IN NORTH CENTRAL OHIO...AND EASTERN SENECA COUNTY IN
NORTHWEST OHIO IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN CLEVELAND.
LAT...LON 4099 8310 4100 8278 4100 8308 4126 8297
4125 8285 4129 8284 4128 8235 4107 8234
4106 8243 4100 8244 4099 8272 4071 8273
4070 8310
$$
KIELTYKAThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 6:23 AM EDT | Flood Watch | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 15 hr |
| Mar 18, 4:23 PM EDT | Areal Flood Advisory | CLE | Crawford, Huron, Richland, Seneca, Wyandot | 4 hr |
| Mar 18, 4:31 PM EDT | Special Marine Warning | CLE | 119 min | |
| Mar 18, 4:34 PM EDT | Areal Flood Advisory | CLE | Lorain | 4 hr |
| Mar 18, 5:07 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Richland | 38 min |
| Mar 18, 5:08 PM EDT | Areal Flood Advisory | CLE | Cuyahoga | 4 hr |
| Mar 18, 5:49 PM EDT | Areal Flood Warning | CLE | Morrow | 4 hr |
| Mar 18, 6:28 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 18 min |
| Mar 18, 6:47 PM EDT | Areal Flood Warning | CLE | Ashland, Knox | 3 hr |
| Mar 18, 6:48 PM EDT | Areal Flood Warning | CLE | Lorain, Medina | 4 hr |
| Mar 18, 7:03 PM EDT | Areal Flood Warning | CLE | Cuyahoga | 4 hr |
| Mar 18, 7:29 PM EDT | Areal Flood Warning | CLE | Lake | 4 hr |
Nearby
Flash Flood Warnings in Ohio, 2012Every flash flood warning in 2012
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.