Alert archive / West Virginia / Flash Flood Warnings in 2018

Flash Flood Warning 49, NWS Pittsburgh, PA

July 5, 2018Marshall County, Wetzel County, West Virginia; Monroe County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jul 5, 2018, 11:49 AM EDT for Marshall County, Wetzel County, West Virginia; Monroe County, Ohio. It was in force for 81 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
Jul 5, 2018, 11:49 AM EDT (15:49 UTC)
Expired
Jul 5, 2018, 1:10 PM EDT
In force
81 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Flood severity
None

Counties Monroe County, OH, Marshall County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 101 km from the middle of the area, began a volume at 15:48 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 (KAGC), launched 12:00Z, 3.8 hours before the alert went out and 95 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 12:00Z on 2018-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1207 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, Pittsburgh, PA at 12:00Z on 2018-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1207 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

372 
WGUS51 KPBZ 051549
FFWPBZ
OHC111-WVC051-103-051845-
/O.NEW.KPBZ.FF.W.0049.180705T1549Z-180705T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
1149 AM EDT THU JUL 5 2018

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
  East central Monroe County in east central Ohio...
  Northwestern Wetzel County in northern West Virginia...
  Southwestern Marshall County in northern West Virginia...

* Until 245 PM EDT.

* At 1144 AM EDT, radar indicated slow-moving thunderstorms producing 
  very heavy rain in the warned area. 

  FLASH FLOODING...Expected.

  ESTIMATED RAINFALL...Radar estimated that up to 2 inches of rain has
  fallen across the hilly terrain straddling the Ohio River between 
  New Martinsville, Clarington and rural Marshall county. 

  ADDITIONAL RAINFALL...At least an inch of additional rainfall is 
  likely through 1 PM. 

* Some locations that may experience flooding include...
  New Martinsville...               Clarington...
  Lynn Camp...                      Glen Easton...
  Proctor...                        Woodlands...
  Hannibal...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain, there are hundreds of low-water crossings which may
be dangerous in heavy rain. Find an alternate route if a crossing is
flooded.

Please report flooding by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 3966 8090 3978 8093 3987 8078 3986 8060
      3965 8073

$$

Bookbinder
1 follow-up statement
173 
WGUS71 KPBZ 051710
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
110 PM EDT THU JUL 5 2018

OHC111-WVC051-103-051720-
/O.CAN.KPBZ.FF.W.0049.000000T0000Z-180705T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe OH-Wetzel WV-Marshall WV-
110 PM EDT THU JUL 5 2018

...THE FLASH FLOOD WARNING FOR EAST CENTRAL MONROE...NORTHWESTERN
WETZEL AND SOUTHWESTERN MARSHALL COUNTIES IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3966 8090 3978 8093 3987 8078 3986 8060
      3965 8073

$$

Bookbinder

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 4:10 AM EDTFlash Flood WatchPBZBrooke, Hancock, Marion, Marshall, Monongalia, Ohio and 3 more19 hr
Jul 5, 3:15 PM EDTSpecial Weather StatementPBZTucker45 min
Jul 5, 3:28 PM EDTSpecial Weather StatementPBZHancock47 min
Jul 5, 3:34 PM EDTSevere Thunderstorm WarningPBZHancock41 min
Jul 5, 4:58 PM EDTSpecial Weather StatementPBZOhio47 min
Jul 5, 5:04 PM EDTSevere Thunderstorm WarningPBZBrooke, Marshall, Ohio56 min
Jul 5, 5:32 PM EDTSevere Thunderstorm WarningPBZBrooke, Marshall, Ohio58 min
Jul 5, 6:00 PM EDTAreal Flood AdvisoryPBZOhio2 hr
Jul 5, 6:09 PM EDTSevere Thunderstorm WarningPBZMarshall51 min
Jul 5, 6:26 PM EDTSpecial Weather StatementPBZWetzel34 min
Jul 5, 5:37 AM EDTAreal Flood AdvisoryPBZMonroe, Noble3 hr
Jul 5, 3:42 PM EDTSpecial Weather StatementPBZMuskingum48 min
Jul 5, 4:05 PM EDTSpecial Weather StatementPBZMuskingum40 min
Jul 5, 4:32 PM EDTSpecial Weather StatementPBZNoble28 min
Jul 5, 4:55 PM EDTSpecial Weather StatementPBZNoble35 min
Jul 5, 5:44 PM EDTSevere Thunderstorm WarningPBZCarroll, Harrison, Tuscarawas46 min
Jul 5, 5:58 PM EDTSpecial Weather StatementPBZColumbiana62 min
Jul 5, 6:17 PM EDTSevere Thunderstorm WarningPBZCarroll, Harrison, Jefferson, Tuscarawas43 min
Jul 5, 6:26 PM EDTFlash Flood WarningPBZBelmont2 hr

Nearby

Flash Flood Warnings in West Virginia, 2018Flash Flood Warnings in Ohio, 2018Every flash flood warning in 2018

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.