Alert archive / West Virginia / Flash Flood Warnings in 2006

Flash Flood Warning 40, NWS Pittsburgh, PA

July 13, 2006Tucker County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jul 13, 2006, 7:35 AM EDT for Tucker County, West Virginia. It was in force for 3 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: Jul 13, 2006, 7:35 AM EDT (11:35 UTC)
Expired: Jul 13, 2006, 10:30 AM EDT
In force: 3 hr
Issued by: NWS Pittsburgh, PA
Area: Counties, with a storm outline in the text

County Tucker County, WV

The radar

The Pittsburgh radar (KPBZ), 167 km from the middle of the area, began a volume at 11:37 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 11.6 hours before the alert went out and 188 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 910 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 858 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this flash flood warning went out at Jul 13, 3:38 AM EDT, 3 hours 57 minutes earlier.

Area forecast discussion, Jul 13, 3:38 AM EDT, 3 hours 57 minutes before

AREA FORECAST DISCUSSION...CORRECTION FOR FF WATCH
NATIONAL WEATHER SERVICE PITTSBURGH PA
338 AM EDT THU JUL 13 2006

.SHORT TERM (TODAY THROUGH TONIGHT)...
HAD TO GO FF WATCH, SINCE I SEE OF RAIN TRAIN DEVELOPING IN SW OHIO.
GFS AND NAM BOTH PUSH SFC FRONT TO MASON DIXON LN 12Z TDA, BUT A SFC
WAVE APPROACHES FROM CVG, AND FRONT APPEARS TO BULGE NWD A LITTLE,
SPCLY ON GFS MODEL. EVEN NAM MODEL PUSHES SFC DEWPT GRADIENT N A BIT
ALSO. AND BY 00Z, FRONT APPEARS TO BE SITTING FROM CVG TO MGW. WITH
ZONAL FLOW, I THINK WELL BE IN THE SOUP FOR DAYS MAYBE A LTL DROP IN
SFC DEWPT N. CONCERNED ABT NEED FOR NEW FFA, BUT LINE OF FLOODING RAIN
IN NW OHIO MIGHT NOT REACH MY AREA BEFORE IT DIMINISHES.

BOTH MODELS HAVE VORT MAX TRACKING FROM INDIANA EWD ALONG MASON DIXON
LINE. I AM MORE CONVINCED THAT MOST PRECIP WILL BE S OF PIT, ALONG SRN
EDGE OF CWA. WL TRY TO MAKE POPS HIER IN S. HERE IS AVG POPS TDA FROM 3
MODELS: DUJ 18
        PIT 36
   ZZV 58    MGW 69.
&&

.LONG TERM (FRIDAY THROUGH WEDNESDAY)...
FRONT TRYING TO RETURN FRI WILL PERMIT SHOWERS/TSTMS AGAIN. WITH FRONT
CLOSE BY, AND WEAK IMPULSES IN FLOW, RETAINED LOW CHC SHOWERS, SPCLY
FAR SOUTH SAT AND SUN. NEXT COLD FRONT WILL BRING THUNDERSTORM CHANCES
MON AND TUE, THEN HIGH PRESSURE WED. &&

.AVIATION...
SURFACE FRONT DRAPED ACROSS NORTHERN PA TO MOVE SLOWLY SOUTHWARD TODAY
WITH PASSAGE MID TO LATE MORNING PIT-ZZV. WINDS LIGHT TIL THEN WITH
STRATUS AND FOG BY 09Z-12Z MOST AREAS. FURTHEST SOUTH TERMINALS MOST
LIABLE TO HAVE CONVECTION LATE MORNING THROUGH AFTN. IMPROVING
CONDITIONS ESPECIALLY IN NORTHERN TERMINALS MID AFTERNOON INTO TONIGHT
THOUGH FOG MAY RETURN WITH GOOD RADIATIONAL CONDS.
&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...FLASH FLOOD WATCH MDZ001                     TIL 8 PM THU.
OH...FLASH FLOOD WATCH OHZ057>059-068-069         TIL 8 PM THU.
PA...FLASH FLOOD WATCH PAZ031-032                 TIL 8 PM THU.
WV...FLASH FLOOD WATCH WVZ003-004-012-021>023-041 TIL 8 PM THU.
&&

Hazardous weather outlook, Jul 13, 4:11 AM EDT, 3 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
411 AM EDT THU JUL 13 2006

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-
020>023-029>032-WVZ001>004-012-021>023-041-140815-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-
VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-
ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
PRESTON-TUCKER-
411 AM EDT THU JUL 13 2006

HAZARDOUS WEATHER OUTLOOK FOR WESTERN MARYLAND...EAST CENTRAL
OHIO...WESTERN PENNSYLVANIA...AND NORTHERN WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

FLASH FLOOD WATCH UNTIL 8 PM TONIGHT, ROUGHLY FROM ZANESVILLE TO
WHEELING TO WAYNESBURG TO LATROBE TO OAKLAND MARYLAND. PERSISTENT
THUNDERSTORMS AND PERIODS OF HEAVY RAIN MAY BE ENOUGH TO CAUSE FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
ACTIVATION UNLIKELY.

In the hours before

Special weather statement, Jul 13, 2:05 AM EDT, 5 hours 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 3:46 AM EDT	Flash Flood Watch	PBZ	Greene	15 hr
Jul 13, 11:41 AM EDT	Flash Flood Warning	PBZ	Fayette	3 hr

Nearby

Flash Flood Warnings in West Virginia, 2006 Every flash flood warning in 2006

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.