Alert archive / Ohio / Flash Flood Warnings in 2013

Flash Flood Warning 4, NWS Cleveland, OH

June 13, 2013Knox County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 13, 2013, 12:30 AM EDT for Knox County, Ohio. It was in force for 6 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
Jun 13, 2013, 12:30 AM EDT (04:30 UTC)
Expired
Jun 13, 2013, 6:00 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Knox County, OH

The radar

The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 04:30 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.5 hours before the alert went out and 160 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 2013-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2978 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 2013-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.193958Sfc1 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
2978 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1256 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
1.7
Supercell composite
11.6

Open this sounding in Storm Lab

The text

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

988 
WGUS51 KCLE 130430
FFWCLE
OHC083-131000-
/O.NEW.KCLE.FF.W.0004.130613T0430Z-130613T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1230 AM EDT THU JUN 13 2013

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 600 AM EDT.

* AT 1221 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  VERY HEAVY RAINFALL ACROSS KNOX COUNTY. RADAR ESTIMATES THAT 2 TO  
  3 INCHES OF RAIN HAS FALLEN ACROSS CENTRAL AND NORTHEAST KNOX      
  COUNTY. ADDITIONAL RAINFALL IS EXPECTED OVERNIGHT AS THUNDERSTORMS 
  APPROACH THE AREA FROM THE WEST. 

* LOCATIONS IMPACTED INCLUDE...
  MOUNT VERNON...
  GAMBIER...
  DANVILLE...
  GANN...

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 4033 8266 4036 8264 4044 8264 4055 8254
      4055 8237 4056 8230 4057 8218 4024 8219
      4023 8220 4023 8223

$$
1 follow-up statement
801 
WGUS71 KCLE 130816
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
416 AM EDT THU JUN 13 2013

OHC083-131000-
/O.CON.KCLE.FF.W.0004.000000T0000Z-130613T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KNOX OH-
416 AM EDT THU JUN 13 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR KNOX COUNTY UNTIL 600 AM
EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT TWO TO FOUR 
INCHES OF RAIN HAS FALLEN ACROSS PORTIONS OF KNOX COUNTY. RUNOFF 
FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR...ESPECIALLY IN LOW LYING AREAS. RISES ON STREAMS AND RIVERS 
ARE ALSO EXPECTED. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...MOUNT VERNON...DANVILLE... FREDERICKTOWN AND GAMBIER.

LIGHT TO MODERATE RAINFALL WILL CONTINUE THROUGH DAWN BEFORE 
STARTING TO TAPER OFF. ADDITIONAL RAINFALL WILL GENERALLY BE LESS 
THAN A HALF INCH.  

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.

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 4033 8266 4036 8264 4044 8264 4055 8254
      4055 8237 4056 8230 4057 8218 4024 8219
      4023 8220 4023 8223

$$

CLARK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:17 PM EDTSevere Thunderstorm WarningCLEMorrow58 min
Jun 12, 8:23 PM EDTSevere Thunderstorm WarningCLECrawford, Richland67 min
Jun 12, 8:30 PM EDTTornado WarningCLEMorrow60 min
Jun 12, 8:35 PM EDTSevere Thunderstorm WarningCLEHuron, Seneca55 min
Jun 12, 9:01 PM EDTSevere Thunderstorm WarningCLEKnox59 min
Jun 12, 9:16 PM EDTSevere Thunderstorm WarningCLEAshland, Lorain44 min
Jun 12, 9:41 PM EDTFlash Flood WarningCLECrawford, Richland5 hr
Jun 12, 9:45 PM EDTSevere Thunderstorm WarningCLELorain, Medina60 min
Jun 12, 9:52 PM EDTTornado WarningCLEKnox38 min
Jun 12, 10:00 PM EDTTornado WarningCLEMorrow, Richland60 min
Jun 12, 10:08 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Knox67 min
Jun 12, 10:14 PM EDTSevere Thunderstorm WarningCLEAshland, Crawford, Richland61 min
Jun 12, 10:20 PM EDTFlash Flood WarningCLEMarion, Morrow6 hr
Jun 12, 10:28 PM EDTTornado WarningCLEKnox, Morrow62 min
Jun 12, 10:38 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake67 min
Jun 12, 10:40 PM EDTSpecial Marine WarningCLE110 min
Jun 12, 11:00 PM EDTAreal Flood AdvisoryCLEAshland, Holmes, Knox6 hr
Jun 12, 11:00 PM EDTSpecial Marine WarningCLE2 hr
Jun 12, 11:06 PM EDTTornado WarningCLECuyahoga, Lorain54 min
Jun 12, 11:16 PM EDTSevere Thunderstorm WarningCLEHolmes44 min
Jun 12, 11:53 PM EDTSevere Thunderstorm WarningCLEHancock, Wood67 min
Jun 13, 12:05 AM EDTSevere Thunderstorm WarningCLEKnox40 min
Jun 13, 12:08 AM EDTTornado WarningCLELucas, Wood67 min
Jun 13, 12:32 AM EDTTornado WarningCLELucas, Ottawa, Sandusky, Wood58 min
Jun 13, 12:34 AM EDTSevere Thunderstorm WarningCLESandusky, Seneca, Wyandot41 min
Jun 13, 12:38 AM EDTSpecial Marine WarningCLE112 min
Jun 13, 12:49 AM EDTFlash Flood WarningCLELucas6 hr
Jun 13, 12:55 AM EDTSevere Thunderstorm WarningCLEMarion50 min
Jun 13, 12:59 AM EDTSevere Thunderstorm WarningCLECrawford61 min
Jun 13, 1:10 AM EDTSevere Thunderstorm WarningCLEErie, Huron, Morrow, Richland50 min
Jun 13, 1:13 AM EDTSevere Thunderstorm WarningCLEOttawa32 min
Jun 13, 1:29 AM EDTSevere Thunderstorm WarningCLELorain61 min
Jun 13, 1:34 AM EDTSevere Thunderstorm WarningCLEAshland, Knox41 min
Jun 13, 1:43 AM EDTSpecial Marine WarningCLE2 hr
Jun 13, 1:44 AM EDTSevere Thunderstorm WarningCLECuyahoga, Medina61 min
Jun 13, 1:56 AM EDTSevere Thunderstorm WarningCLEHolmes, Wayne49 min
Jun 13, 2:18 AM EDTSevere Thunderstorm WarningCLEGeauga, Lake, Portage, Stark, Summit57 min
Jun 13, 2:54 AM EDTSevere Thunderstorm WarningCLEAshtabula, Mahoning, Trumbull66 min
Jun 13, 3:05 AM EDTAreal Flood WarningCLECrawford6 hr
Jun 13, 3:18 AM EDTSpecial Marine WarningCLE87 min
Jun 13, 3:27 AM EDTAreal Flood AdvisoryCLERichland5 hr
Jun 13, 4:14 AM EDTRip Current StatementCLEErie, Lorain, Lucas, Ottawa, Sandusky7 hr
Jun 13, 4:21 AM EDTSmall Craft AdvisoryCLE18 hr
Jun 13, 6:00 AM EDTAreal Flood AdvisoryCLEAshland, Holmes, Knox, Marion, Morrow, Richland7 hr
Jun 13, 8:52 AM EDTAreal Flood AdvisoryCLECrawford4 hr

Nearby

Flash Flood Warnings in Ohio, 2013Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.