Alert archive / West Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 17, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Aug 4, 2021, 7:39 PM EDT for Belmont County, Ohio; Marshall County, Ohio County, West Virginia. It was in force for 111 min. 2 reports 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
- Aug 4, 2021, 7:39 PM EDT (23:39 UTC)
- Expired
- Aug 4, 2021, 9:30 PM EDT
- In force
- 111 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Belmont County, OH, Marshall County, WV, Ohio County, WV
The radar
The Pittsburgh radar (KPBZ), 67 km from the middle of the area, began a volume at 23:40 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 |
|---|---|---|---|
| Aug 4, 7:39 PM EDT | FLASH FLOOD | Martins Ferry, OH | STREET FLOODING REPORTED IN MARTINS FERRY |
| Aug 4, 7:50 PM EDT | FLASH FLOOD | Woodsdale, WV | FLOODING ON THE 800 BLOCK OF NATIONAL ROAD. FLOOD WATER IS STARTING TO RECEDE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 11.7 hours before the alert went out and 64 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.
- Mixed-layer CAPE
- 52 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1110 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
354
WGUS51 KPBZ 042339
FFWPBZ
OHC013-WVC051-069-050130-
/O.NEW.KPBZ.FF.W.0017.210804T2339Z-210805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
739 PM EDT Wed Aug 4 2021
The National Weather Service in Pittsburgh has issued a
* Flash Flood Warning for...
East Central Belmont County in east central Ohio...
Marshall County in northern West Virginia...
Ohio County in northern West Virginia...
* Until 930 PM EDT.
* At 739 PM EDT, HAZARD...Flash flooding caused by heavy rain.
SOURCE...Emergency management reported.
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...
Wheeling, Martins Ferry, Bellaire, Warwood, Bethlehem, West
Liberty, Triadelphia, Clearview, Valley Grove, Shadyside,
McMechen, Bridgeport, Benwood, Yorkville, Brookside, Neffs, Elm
Grove, Sherrard and Clinton.
Street flooding reported in Martins Ferry
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3994 8083 4001 8089 4009 8082 4014 8071
4015 8069 4017 8062 4015 8056 4011 8052
4003 8058 4002 8059 3998 8070 3997 8074
FLASH FLOOD...OBSERVED
$$
JL2 follow-up statements
126
WGUS71 KPBZ 050004
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
804 PM EDT Wed Aug 4 2021
OHC013-WVC051-069-050130-
/O.CON.KPBZ.FF.W.0017.000000T0000Z-210805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Belmont OH-Marshall WV-Ohio WV-
804 PM EDT Wed Aug 4 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT THIS
EVENING FOR EAST CENTRAL BELMONT, MARSHALL AND OHIO COUNTIES...
At 804 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 2 inches of rain have
fallen. Flash flooding is occurring in Martins Ferry.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and Emergency Management.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wheeling, Martins Ferry, Bellaire, Warwood, Bethlehem, West
Liberty, Triadelphia, Clearview, Valley Grove, Shadyside,
McMechen, Bridgeport, Benwood, Yorkville, Brookside, Neffs, Elm
Grove, Sherrard and Clinton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3994 8083 4001 8089 4009 8082 4014 8071
4015 8069 4017 8062 4015 8056 4011 8052
4003 8058 4002 8059 3998 8070 3997 8074
FLASH FLOOD...RADAR INDICATED
$$
JL422
WGUS71 KPBZ 050120
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
920 PM EDT Wed Aug 4 2021
OHC013-WVC051-069-050130-
/O.EXP.KPBZ.FF.W.0017.000000T0000Z-210805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Belmont OH-Marshall WV-Ohio WV-
920 PM EDT Wed Aug 4 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 930 PM EDT THIS EVENING FOR
EAST CENTRAL BELMONT, MARSHALL AND OHIO COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3994 8083 4001 8089 4009 8082 4014 8071
4015 8069 4017 8062 4015 8056 4011 8052
4003 8058 4002 8059 3998 8070 3997 8074
$$
JLThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 6:19 PM EDT | Special Weather Statement | PBZ | Belmont | 26 min |
| Aug 4, 6:54 PM EDT | Special Weather Statement | PBZ | Belmont | 36 min |
| Aug 4, 7:31 PM EDT | Areal Flood Advisory | PBZ | Belmont | 8 min |
Nearby
Flash Flood Warnings in West Virginia, 2021Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.