Alert archive / West Virginia / Flash Flood Warnings in 1999

Flash Flood Warning 21, NWS Pittsburgh, PA

January 19, 1999Marshall County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jan 19, 1999, 5:03 AM EST for Marshall County, West Virginia. 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 counties it named.

The facts

Issued
Jan 19, 1999, 5:03 AM EST (10:03 UTC)
Expired
Jan 19, 1999, 11:00 AM EST
In force
6 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Marshall County, WV

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 10.1 hours before the alert went out and 78 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 1999-01-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1999-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 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
527 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPIT 191005
FFWPIT
WVC051-191600-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
503 AM EST TUE JAN 19 1999

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLOOD WARNING FOR...
  MARSHALL COUNTY IN NORTHERN WEST VIRGINIA.

* UNTIL 1100 AM EST.

* AT 500 AM... AREA LAW ENFORCEMENT INDICATED THAT FLOODING
CONTINUES ALONG BIG WHEELING CREEK IN NORTHEAST MARSHALL COUNTY.
WATER COVERS A QUARTER MILE STRETCH OF BI"G WHEELING CREEK ROAD NEAR
VIOLA WHERE THE CREEK HAS SPILLED OUT OF ITS BANKS.

<<CALL TO ACTION>>DON'T DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD!

.END/RSD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 11:48 PM ESTFlash Flood WarningPBZMarshall6 hr

Nearby

Flash Flood Warnings in West Virginia, 1999Every flash flood warning in 1999

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.