Alert archive / Ohio / Flash Flood Warnings in 2020

Flash Flood Warning 2, NWS Northern Indiana

August 14, 2020Fulton County, Ohio

NWS Northern Indiana issued this flash flood warning at Aug 14, 2020, 7:11 PM EDT for Fulton 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
Aug 14, 2020, 7:11 PM EDT (23:11 UTC)
Expired
Aug 15, 2020, 1:00 AM EDT
In force
6 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

County Fulton County, OH

The radar

The Northern Indiana radar (KIWX), 121 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 146 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, Detroit, MI at 12:00Z on 2020-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 12:00Z on 2020-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1710 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

352 
WGUS53 KIWX 142311
FFWIWX
OHC051-150500-
/O.NEW.KIWX.FF.W.0002.200814T2311Z-200815T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Northern Indiana
711 PM EDT Fri Aug 14 2020

The National Weather Service in Northern Indiana has issued a

* Flash Flood Warning for...
  Fulton County in northwestern Ohio...

* Until 100 AM EDT.

* At 706 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Over three inches of rain have 
  already fallen in Wauseon with Doppler Radar based estimates of 
  near 5 inches toward Fayette. Additional showers and thunderstorms 
  continue to develop to the south and move north across the warned 
  area. Additional rainfall of 1 to 2 inches is likely through 900 
  PM EDT.
  
  Flash flooding is likely ongoing or expected to begin shortly in 
  low lying areas.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Wauseon, Archbold, Delta, Fayette, Lyons, Oakshade, Pettisville,
  Zone, Seward, Denson, Winameg, Elmira, Tedrow and Ottokee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4148 8422 4149 8434 4151 8434 4151 8436
      4157 8438 4161 8438 4162 8440 4171 8439
      4172 8404 4149 8398

FLASH FLOOD...RADAR INDICATED

$$

JBALL
1 follow-up statement
556 
WGUS73 KIWX 150125
FFSIWX

Flash Flood Statement
National Weather Service Northern Indiana
925 PM EDT Fri Aug 14 2020

OHC051-150500-
/O.CON.KIWX.FF.W.0002.000000T0000Z-200815T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton OH-
925 PM EDT Fri Aug 14 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR
FULTON COUNTY...

At 922 PM EDT, Doppler radar indicated rain was ending across the 
area. 2 to as much as 5 inches of rain fell earlier this evening. 
Flooded roadways, fields and low lying areas will take time to 
recede.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated and spotter reported.

IMPACT...Flooding of small creeks and streams, urban areas, 
         highways, streets and underpasses as well as other drainage 
         and low lying areas will persist through mid evening before 
         diminishing.

Some locations that will experience continued flooding include...
Wauseon, Archbold, Delta, Fayette, Lyons, Oakshade, Pettisville,
Zone, Seward, Denson, Winameg, Elmira, Tedrow and Ottokee.

This includes the following streams and drainages...
Clear Creek, Bad Creek, Oberhaus Creek, Deer Creek, Bean Creek,
Ottawa River, Little Bear Creek, South Branch Bad Creek, Van Hyning
Creek, North Turkeyfoot Creek, Owl Creek, Flat Run, Bates Creek, Bear
Creek, Iron Creek, Tiffin River, Swan Creek and Brush Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4148 8422 4149 8434 4151 8434 4151 8436
      4157 8438 4161 8438 4162 8440 4171 8439
      4172 8404 4149 8398

FLASH FLOOD...RADAR INDICATED

$$

JBALL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 14, 2:53 PM EDTSpecial Weather StatementIWXPutnam37 min
Aug 14, 3:15 PM EDTSpecial Weather StatementIWXWilliams45 min
Aug 14, 3:18 PM EDTSevere Thunderstorm WarningIWXDefiance, Williams24 min
Aug 14, 3:40 PM EDTSpecial Weather StatementIWXPutnam35 min
Aug 14, 4:13 PM EDTSpecial Weather StatementIWXAllen32 min
Aug 14, 4:30 PM EDTSevere Thunderstorm WarningIWXFulton30 min
Aug 14, 4:54 PM EDTSevere Thunderstorm WarningIWXFulton, Henry21 min
Aug 14, 5:16 PM EDTSpecial Weather StatementIWXFulton44 min
Aug 14, 5:23 PM EDTAreal Flood AdvisoryIWXFulton3 hr
Aug 14, 7:23 PM EDTAreal Flood AdvisoryIWXAllen, Defiance, Henry, Putnam3 hr

Nearby

Flash Flood Warnings in Ohio, 2020Every flash flood warning in 2020

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.