Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Northern Indiana

August 26, 2021Paulding County, Ohio

NWS Northern Indiana issued this flash flood warning at Aug 26, 2021, 9:12 PM EDT for Paulding County, Ohio. It was in force for 96 min. 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 26, 2021, 9:12 PM EDT (01:12 UTC)
Expired
Aug 26, 2021, 10:48 PM EDT
In force
96 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

County Paulding County, OH

The radar

The Northern Indiana radar (KIWX), 104 km from the middle of the area, began a volume at 01:16 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 00:00Z, 1.2 hours before the alert went out and 196 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 00:00Z on 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1015 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, Detroit, MI at 00:00Z on 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
1015 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1159 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

173 
WGUS53 KIWX 270112
FFWIWX
OHC125-270415-
/O.NEW.KIWX.FF.W.0006.210827T0112Z-210827T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Northern Indiana
912 PM EDT Thu Aug 26 2021

The National Weather Service in Northern Indiana has issued a

* Flash Flood Warning for...
  Eastern Paulding County in west central Ohio...

* Until 1215 AM EDT.

* At 912 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 inches of 
  rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 
  hour. Additional rainfall amounts of 1 to 2 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Paulding, Oakwood, Grover Hill, Melrose, Haviland, Latty, Cecil, 
  Broughton, Charloe, Roselms, Briceton, Mandale, Arthur, Worstville 
  and Tipton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4122 8451 4121 8446 4121 8445 4121 8442
      4120 8435 4111 8434 4100 8435 4099 8453
      4102 8467 4113 8467 4121 8463

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-4 INCHES IN 1 HOUR

$$

RC
1 follow-up statement
813 
WGUS73 KIWX 270248
FFSIWX

Flash Flood Statement
National Weather Service Northern Indiana
1048 PM EDT Thu Aug 26 2021

OHC125-270258-
/O.CAN.KIWX.FF.W.0006.000000T0000Z-210827T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Paulding OH-
1048 PM EDT Thu Aug 26 2021

...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN PAULDING COUNTY...

The storm that initially posed the threat for flooding has 
dissipated and moved out of the advisory area. Therefore the flood 
threat has ended. Please continue to heed remaining road closures.

LAT...LON 4122 8451 4121 8446 4121 8445 4121 8442
      4120 8435 4111 8434 4100 8435 4099 8453
      4102 8467 4113 8467 4121 8463

$$

CR

Nearby

Flash Flood Warnings in Ohio, 2021Every flash flood warning in 2021

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.