Alert archive / Ohio / Flash Flood Warnings in 2016

Flash Flood Warning 49, NWS Wilmington, OH

August 28, 2016Clark County, Greene County, Madison County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 28, 2016, 8:50 PM EDT for Clark County, Greene County, Madison County, Ohio. It was in force for 2 hr. 4 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
Aug 28, 2016, 8:50 PM EDT (00:50 UTC)
Expired
Aug 28, 2016, 11:15 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Clark County, OH, Greene County, OH, Madison County, OH

The radar

The Cincinnati radar (KILN), 46 km from the middle of the area, began a volume at 00:51 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
Aug 28, 9:20 PM EDTFLASH FLOOD2 Nne Yellow Springs, OHFLOODING ON RTE 68. 5 TO 6 INCHES DEPTH OF WATER FLOWING OVER ROAD.
Aug 28, 10:43 PM EDTHEAVY RAIN 1.375 W South Charleston, OH
Aug 28, 10:43 PM EDTHEAVY RAIN 1.73Nw South Charleston, OH
Aug 28, 10:43 PM EDTHEAVY RAIN 2.434 Ese Springfield, OH

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.8 hours before the alert went out and 45 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, Cncnati-Daytn, OH at 00:00Z on 2016-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2016 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, Cncnati-Daytn, OH at 00:00Z on 2016-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
2016 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1286 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

041 
WGUS51 KILN 290050
FFWILN
OHC023-057-097-290315-
/O.NEW.KILN.FF.W.0049.160829T0050Z-160829T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
850 PM EDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CLARK COUNTY IN WEST CENTRAL OHIO...
  NORTHEASTERN GREENE COUNTY IN WEST CENTRAL OHIO...
  SOUTHWESTERN MADISON COUNTY IN CENTRAL OHIO...

* UNTIL 1115 PM EDT.

* AT 850 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS
  ALREADY FALLEN. HEAVY RAIN CONTINUES TO FALL WITH ANOTHER 1 TO 2
  INCHES POSSIBLE. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE
  FLASH FLOODING TO OCCUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SPRINGFIELD...FAIRBORN...XENIA...YELLOW SPRINGS...
  WRIGHT-PATTERSON AFB...CEDARVILLE...ENON...SOUTH CHARLESTON...
  WILBERFORCE...HARMONY...LISBON...SOUTH SOLON...DONNELSVILLE...
  CLIFTON...PLATTSBURG...GLADSTONE...SPRINGFIELD MUNICIPAL AIRPORT...
  HOLIDAY VALLEY...CRYSTAL LAKES AND OLDTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TO REPORT FLASH FLOODING...GO TO OUR WEBSITE AT WEATHER.GOV/ILN AND
SUBMIT YOUR REPORT VIA SOCIAL MEDIA...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3988 8351 3979 8354 3975 8359 3971 8366
      3970 8396 3988 8405 3993 8396 3993 8368

$$

AR
1 follow-up statement
707 
WGUS71 KILN 290309
FFSILN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1109 PM EDT SUN AUG 28 2016

OHC023-057-097-290318-
/O.EXP.KILN.FF.W.0049.000000T0000Z-160829T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK OH-GREENE OH-MADISON OH-
1109 PM EDT SUN AUG 28 2016

...THE FLASH FLOOD WARNING FOR SOUTHERN CLARK...NORTHEASTERN GREENE
AND SOUTHWESTERN MADISON COUNTIES WILL EXPIRE AT 1115 PM EDT...

FLOOD WATERS ARE RECEDING FROM EARLIER HEAVY RAIN AND ARE NO LONGER
EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO
HEED ANY ROAD CLOSURES.

PLEASE REPORT PREVIOUS FLASH FLOODING TO THE NATIONAL WEATHER SERVICE
BY GOING TO OUR WEBSITE AT WEATHER.GOV/ILN AND SUBMITTING YOUR REPORT
VIA SOCIAL MEDIA.

LAT...LON 3988 8351 3979 8354 3975 8359 3971 8366
      3970 8396 3988 8405 3993 8396 3993 8368

$$

JDR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 8:17 PM EDTAreal Flood AdvisoryILNGreene, Miami, Montgomery2 hr
Aug 28, 8:19 PM EDTFlash Flood WarningILNHamilton3 hr
Aug 28, 8:21 PM EDTSevere Thunderstorm WarningILNHardin, Logan, Union24 min
Aug 28, 8:30 PM EDTSevere Thunderstorm WarningILNClark, Greene, Montgomery30 min
Aug 28, 8:40 PM EDTFlash Flood WarningILNHamilton3 hr
Aug 28, 8:42 PM EDTFlash Flood WarningILNGreene, Montgomery3 hr
Aug 28, 8:58 PM EDTSevere Thunderstorm WarningILNClark, Clinton, Fayette, Greene, Madison47 min
Aug 28, 9:15 PM EDTFlash Flood WarningILNClinton, Fayette, Greene, Warren3 hr
Aug 28, 9:21 PM EDTAreal Flood AdvisoryILNButler, Preble2 hr
Aug 28, 10:26 PM EDTAreal Flood WarningILNHamilton2 hr

Nearby

Flash Flood Warnings in Ohio, 2016Every flash flood warning in 2016

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.