Alert archive / Ohio / Flash Flood Warnings in 2013

Flash Flood Warning 9, NWS Cleveland, OH

June 30, 2013Marion County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 30, 2013, 1:48 PM EDT for Marion County, Ohio. It was in force for 6 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: Jun 30, 2013, 1:48 PM EDT (17:48 UTC)
Expired: Jun 30, 2013, 8:00 PM EDT
In force: 6 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Flood severity: None

County Marion County, OH

The radar

The Cincinnati radar (KILN), 132 km from the middle of the area, began a volume at 17:49 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
Jun 30, 4:00 PM EDT	FLOOD	Green Camp, OH	SEVERAL ROADS FLOODED IN TOWN INCLUDING STATE ROUTE 203 BETWEEN GREEN CAMP AND ROUTE 4, LA RUE GREEN CAMP ROAD, OWENS GREEN CAMP ROAD, BEACH STREET, AND MARION GREEN CAMP ROAD. SOME BASEMENT FLOODING IS ALSO BEING OBSERVED.

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 12:00Z, 5.8 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 284 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

001 
WGUS51 KCLE 301748
FFWCLE
OHC101-010000-
/O.NEW.KCLE.FF.W.0009.130630T1748Z-130701T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
148 PM EDT SUN JUN 30 2013

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 800 PM EDT.

* AT 143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL IN CENTRAL MARION 
COUNTY NEAR GREEN CAMP. THE STORMS WERE NEARLY STATIONARY BUT COULD 
EXPAND TO OTHER PARTS OF THE COUNTY.

* LOCATIONS IMPACTED INCLUDE...
MARION...
GREEN CAMP...  
WALDO...
PROSPECT...

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.

&&

LAT...LON 4043 8323 4045 8326 4050 8326 4050 8341
      4051 8342 4067 8342 4070 8295 4049 8296
      4049 8301 4043 8302

$$

1 follow-up statement

597 
WGUS71 KCLE 302043
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
443 PM EDT SUN JUN 30 2013

OHC101-010000-
/O.CON.KCLE.FF.W.0009.000000T0000Z-130701T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION OH-
443 PM EDT SUN JUN 30 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MARION COUNTY UNTIL 800
PM EDT...

AT 437 PM EDT...LOCAL OFFICIALS IN GREEN CAMP REPORTED THAT FLASH 
FLOODING WAS OCCURRING. SEVERAL ROADS ARE CLOSED AS A RESULT OF AN 
ESTIMATED 4 INCHES OF RAINFALL FROM AN EARLIER STORM. RUNOFF FROM 
THIS STORM WILL CONTINUE TO SETTLE INTO LOW SPOTS AND AREA CREEKS 
AND RIVERS THROUGH THIS EVENING...CONTINUING THE FLOOD THREAT. HEAVY 
RAIN OVER OTHER PARTS OF MARION COUNTY COULD LEAD TO ADDITIONAL 
FLOODING. HEAVY RAINFALL OVER THE SCIOTO RIVER COULD CAUSE A RAPID 
RISE IN THE RIVER NORTH OF PROSPECT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DON'T DROWN!

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS A FLOODED AREA ON FOOT OR BY AUTOMOBILE.

&&

LAT...LON 4043 8323 4045 8326 4050 8326 4050 8341
      4051 8342 4067 8342 4070 8295 4049 8296
      4049 8301 4043 8302

$$

SJAMISON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 1:09 PM EDT	Areal Flood Advisory	CLE	Marion	6 hr
Jun 30, 2:10 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Morrow	65 min
Jun 30, 3:17 PM EDT	Severe Thunderstorm Warning	CLE	Morrow	58 min
Jun 30, 5:02 PM EDT	Areal Flood Advisory	CLE	Knox, Morrow	5 hr

Nearby

Flash Flood Warnings in Ohio, 2013 Every flash flood warning in 2013

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.