Alert archive / Ohio / Flash Flood Warnings in 2020

Flash Flood Warning 2, NWS Charleston, WV

March 19, 2020Washington County, Ohio

NWS Charleston, WV issued this flash flood warning at Mar 19, 2020, 12:31 AM EDT for Washington County, Ohio. It was in force for 10 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
Mar 19, 2020, 12:31 AM EDT (04:31 UTC)
Expired
Mar 19, 2020, 11:00 AM EDT
In force
10 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Washington County, OH

The radar

The Charleston,WV radar (KRLX), 145 km from the middle of the area, began a volume at 04:32 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

Pittsburgh, PA (KPIT), launched 00:00Z, 4.5 hours before the alert went out and 143 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, Pittsburgh, PA at 00:00Z on 2020-03-19Temperature 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, Pittsburgh, PA at 00:00Z on 2020-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 514 square meters per square second.1939587897Sfc1 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
670 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
514 m²/s²
0-3 km storm-relative helicity
597 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

148 
WGUS51 KRLX 190431
FFWRLX
OHC167-190830-
/O.NEW.KRLX.FF.W.0002.200319T0431Z-200319T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1231 AM EDT Thu Mar 19 2020

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  North Central Washington County in southeastern Ohio...

* Until 430 AM EDT.

* At 1231 AM EDT, the stream gauge at Macksburg on Duck Creek 
  indicated a strong rise. Between 1 and 1.5 inches of rain have 
  fallen. Flash flooding is expected to begin shortly as the stream 
  comes out its banks.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Gauges.

  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 flash flooding include...
  Marietta, Macksburg, Lower Salem and Devola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3959 8129 3942 8137 3943 8148 3965 8147
      3965 8145 3963 8145 3963 8141 3962 8141
      3961 8139 3960 8139 3960 8136 3959 8136

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.5 INCHES IN 4 HOURS 

$$

TRM
4 follow-up statements
224 
WGUS71 KRLX 190657
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
257 AM EDT Thu Mar 19 2020

OHC167-190830-
/O.CON.KRLX.FF.W.0002.000000T0000Z-200319T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Washington OH-
257 AM EDT Thu Mar 19 2020

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM EDT EARLY THIS 
MORNING FOR NORTH CENTRAL WASHINGTON COUNTY...

At 257 AM EDT, the stream gauge at Macksburg on Duck Creek was just 
above bankful at 13.2 feet. Between 1 and 1.5 inches of rain have 
fallen last evening. Flash flooding is expected or occurring as the 
stream continues coming out its banks. The rise has slowed.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Gauges.

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 flash flooding include...
  Marietta, Macksburg, Lower Salem and Devola.

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.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3959 8129 3942 8137 3943 8148 3965 8147
      3965 8145 3963 8145 3963 8141 3962 8141
      3961 8139 3960 8139 3960 8136 3959 8136

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.5 INCHES IN 4 HOURS 

$$

TRM
403 
WGUS51 KRLX 190802
FFWRLX
OHC167-191100-
/O.EXT.KRLX.FF.W.0002.000000T0000Z-200319T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
402 AM EDT Thu Mar 19 2020

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
  North Central Washington County in southeastern Ohio...

* Until 700 AM EDT.

* At 402 AM EDT, the stream gauge at Macksburg on Duck Creek was 
  above bankful at 13.5 feet. The rise continues, although it has 
  slowed. Between 1 and 1.5 inches of rain fell last night. Flash 
  flooding is expected or occurring as the stream continues coming 
  out its banks.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Gauges.

  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 flash flooding include...
  Marietta, Macksburg, Lower Salem and Devola.

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.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3959 8129 3942 8137 3943 8148 3965 8147
      3965 8145 3963 8145 3963 8141 3962 8141
      3961 8139 3960 8139 3960 8136 3959 8136

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.5 INCHES IN 4 HOURS 

$$

TRM
411 
WGUS51 KRLX 191043 RRA
FFWRLX
OHC167-191500-
/O.EXT.KRLX.FF.W.0002.000000T0000Z-200319T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
643 AM EDT Thu Mar 19 2020

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
  North Central Washington County in southeastern Ohio...

* Until 1100 AM EDT.

* At 643 AM EDT, the stream gauge at Macksburg on Duck Creek was 
  above bankful at 13.7 feet, and still rising slowly. Farther down 
  the Duck at Whipple, the gauge was at 11 feet, a foot below 
  bankfull. Between 1 and 1.5 inches of rain fell last night. Flash 
  flooding is expected or occurring as the stream continues coming 
  out its banks.


  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Gauges.

  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 flash flooding include...
  Marietta, Macksburg, Lower Salem and Devola.

This includes the following streams and drainages...
  Ohio River, New Years Creek, Fifteen Mile Creek, Cat Creek, 
  Sycamore Fork, Indian Run, Little Muskingum River, Muskingum 
  River, Bear Creek, Sugar Creek, Rainbow Creek, Right Branch Cat 
  Creek, Whipple Run, Pawpaw Creek, Fifteenmile Creek, Moss Run, 
  East Fork Duck Creek, West Fork Duck Creek, Duck Creek and PawPaw 
  Run.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3959 8129 3942 8137 3943 8148 3965 8147
      3965 8145 3963 8145 3963 8141 3962 8141
      3961 8139 3960 8139 3960 8136 3959 8136

FLASH FLOOD...RADAR INDICATED

$$

TRM
934 
WGUS71 KRLX 191251
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
851 AM EDT Thu Mar 19 2020

OHC167-191500-
/O.CON.KRLX.FF.W.0002.000000T0000Z-200319T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Washington OH-
851 AM EDT Thu Mar 19 2020

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS 
MORNING FOR NORTH CENTRAL WASHINGTON COUNTY...

At 851 AM EDT, Between 1 and 1.5 inches of rain fell last night. 
Duck Creek is currently in flood.

HAZARD...Flooding caused by heavy rain.

SOURCE...Gauges.

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 flash flooding include...
  Marietta, Macksburg, Lower Salem and Devola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3959 8129 3942 8137 3943 8148 3965 8147
      3965 8145 3963 8145 3963 8141 3962 8141
      3961 8139 3960 8139 3960 8136 3959 8136

FLASH FLOOD...RADAR INDICATED

$$

RPY

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 11:29 PM EDTSpecial Weather StatementRLXAthens, Meigs, Morgan, Washington46 min
Mar 19, 2:04 AM EDTFlash Flood WarningRLXAthens, Meigs9 hr
Mar 19, 6:21 AM EDTFlash Flood WarningRLXWashington4 hr
Mar 19, 9:54 AM EDTAreal Flood WarningRLXAthens, Meigs17 hr
Mar 19, 10:44 AM EDTAreal Flood WarningRLXWashington18 hr
Mar 19, 10:48 AM EDTAreal Flood WarningRLXWashington14 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.