Alert archive / Ohio / Flash Flood Warnings in 2013

Flash Flood Warning 43, NWS Pittsburgh, PA

July 19, 2013Monroe County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jul 19, 2013, 4:06 PM EDT for Monroe County, Ohio. 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 19, 2013, 4:06 PM EDT (20:06 UTC)
Expired
Jul 19, 2013, 7:00 PM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Flood severity
None

County Monroe County, OH

The radar

The Pittsburgh radar (KPBZ), 116 km from the middle of the area, began a volume at 20:09 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 12:00Z, 8.1 hours before the alert went out and 113 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 2013-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1582 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2013-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1582 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 19, 2:33 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jul 19, 2:33 PM EDT, 1 hour 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
233 PM EDT FRI JUL 19 2013

.SYNOPSIS...
WARM AND HUMID CONDITIONS ARE EXPECTED THROUGH SATURDAY. A COLD FRONT
WILL BRING THUNDERSTORMS ON SATURDAY FOLLOWED BY DRY AND NORMAL
CONDITIONS.

&&

.NEAR TERM /THROUGH TONIGHT/...
UNSTABLE CONDITIONS AND ABUNDANT LOW LEVEL MOISTURE WILL TRIGGER
CONVECTION TODAY. MORE COVERAGE THAN YESTERDAY THROUGH THIS
EVENING BEFORE HEATING DIMINISHES. POPS MAINTAINED AS CHANCE, BUT
PW VALUES ARE QUITE HIGH SO ANY THUNDERSTORMS WILL BRING
TORRENTIAL RAINS.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY/...
CDFNT XPCD TO BE LOCATED ALONG GRTLKS ON SAT MRNG WITH ATTENDANT
CNVCTN ONGOING. S OF THE BNDRY...ABUNDANT MSTR WILL RMN IN PLACE.
MRNG FOG AND STRATUS WILL BE PSBL... BUT MODELS SUGGEST PCPN AT
START OF THE PD WILL BE CONFINED TO FAR NRN ZONES IN PROXIMITY TO
CDFNT.

INSOLATION DOES NOT APPEAR TO BE SGFNTLY LMTD BY MRNG CLDS...SO
AMPLE HEATING OF VERY MOIST AMS XPCD TO LEAD TO STG INSTBY AMID
STEEPENING MID- AND LOW-LVL LAPSE RATES. CNVCTN ALONG SFC BNDRY
WILL BCM MORE VIGOROUS...AND TSTMS WILL DVLP AHEAD OF THE BNDRY AS
MODEST CAP ERODES. CURRENT EXPECTATION IS THAT SVR WX WILL BE PSBL
BY 17-18Z SAT AFTN AS AMS DESTABILIZES AND SHEAR INCRS WITH APRCH
OF SHRTWV TROF. GIVEN DEG OF INSTBY AND THERMODYNAMIC AND DYNAMIC
PROFILES...ENVIRONMENT WILL BE PRIME FOR PRODUCTION OF BOTH LRG
HAIL AND DMGG WIND GUSTS.

CDFNT WILL CROSS THE REGION SUN EVE...LKLY DRIVEN ALONG BY THE
CNVCTN. AMS IN ITS WAKE WILL DRY IN LMTD FASHION.

&&

.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
SFC HIPRES BUILDS INTO THE RGN SUN NGT AND MON...SHIFTING SFC
CDFNT S OF FCST AREA. BNDRY MOVES NWD MON AFTN AND TUE...WITH CHCS
FOR TSTMS INCRG AS LOW-LVL MSTR INCRS.

ERN CONUS WILL RMN UNDER INFLUENCE OF H5 TROF THRU MUCH OF THE WK.
THIS TROF WILL AID IN COOLER TEMPS THAN THOSE THIS WK. PCPN POTL
IS SOMEWHAT MORE UNCERTAIN DURG THIS TIME OWING TO DIFFERENCES IN
MODEL TIMING OF SHRTWV TROFS IN THE FLOW.

&&

.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
THE HI RES MODELS ONCE AGAIN SUGGEST THE DEVELOPMENT OF SOME
THUNDERSTORMS ACROSS THE REGION. WHILE CONFIDENCE THAT ANY ONE
SITE WILL BE IMPACTED BY ANY STORMS REMAINS LOW...OPTED TO MENTION
VCTS AT THOSE SITES WHERE THE MODEL QPF SUGGESTED THERE COULD BE
DEVELOPMENT...SOUTHEASTERN OHIO/NORTHERN WEST VIRGINIA AND ALONG
THE LAKE BREEZE.

.OUTLOOK...NON VFR IN PATCHY EARLY MORNING FOG. SHOWERS AND
THUNDERSTORMS MAY ALSO CAUSE NON VFR CONDITIONS SATURDAY AND
TUESDAY.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR OHZ039>041-
     048>050-057>059-068-069.
PA...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR PAZ007-013-014-
     020-021-029-031.
WV...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR WVZ001>004-012-
     021-022.

&&
Hazardous weather outlook, Jul 19, 11:42 AM EDT, 4 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
1142 AM EDT FRI JUL 19 2013

MDZ001-PAZ008-009-015-016-022-023-073>076-WVZ023-041-201545-
GARRETT-VENANGO-FOREST-CLARION-JEFFERSON PA-ARMSTRONG-INDIANA-
WESTMORELAND-WESTMORELAND RIDGES-FAYETTE-FAYETTE RIDGES-PRESTON-
TUCKER-
1142 AM EDT FRI JUL 19 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...NORTHWEST
PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA
AND NORTHERN WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON. A
FEW OF THESE STORMS COULD BECOME SEVERE AND WILL BE CAPABLE OF
PRODUCING LARGE HAIL...DAMAGING WIND GUSTS AND TORRENTIAL RAIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SEVERE THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING.
THESE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND
LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION LIKELY WILL BE NEEDED ON SATURDAY.

OHZ039>041-048>050-057>059-068-069-PAZ007-013-014-020-021-029-031-
WVZ001>004-012-021-022-201545-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-LAWRENCE-BUTLER-
BEAVER-ALLEGHENY-WASHINGTON-GREENE-HANCOCK-BROOKE-OHIO-MARSHALL-
WETZEL-MARION-MONONGALIA-
1142 AM EDT FRI JUL 19 2013

...HEAT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHWEST
PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL
PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF
WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON. A
FEW OF THESE STORMS COULD BECOME SEVERE AND WILL BE CAPABLE OF
PRODUCING LARGE HAIL...DAMAGING WIND GUSTS AND TORRENTIAL RAIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SEVERE THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING.
THESE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND
LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION LIKELY WILL BE NEEDED ON SATURDAY.

KRAMAR

In the hours before

Special weather statement, Jul 19, 2:19 PM EDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
219 PM EDT FRI JUL 19 2013

WVZ022-023-191845-
MONONGALIA WV-PRESTON WV-
219 PM EDT FRI JUL 19 2013

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN MONONGALIA AND
WESTERN PRESTON COUNTIES...

AT 216 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 2 MILES
NORTHEAST OF DELLSLOW TO 3 MILES NORTHWEST OF BROWNS CHAPEL...MOVING
EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND NICKEL SIZE HAIL ARE POSSIBLE WITH THESE
STORMS. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL DITCHES
AND SMALL STREAMS.

  LOCATIONS IMPACTED INCLUDE...
  MORGANTOWN...         DELLSLOW...           BROWNS CHAPEL...
  MASONTOWN...          LAUREL RUN...

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 3967 7966 3944 7980 3953 7999 3965 7995
Special weather statement, Jul 19, 2:50 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
250 PM EDT FRI JUL 19 2013

MDZ001-WVZ023-191915-
GARRETT MD-PRESTON WV-
250 PM EDT FRI JUL 19 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PRESTON AND WESTERN
GARRETT COUNTIES...

AT 246 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 2 MILES SOUTH OF
BRUCETON MILLS...MOVING EAST AT 20 MPH.

WIND GUSTS TO 50 MPH HAIL TO NICKEL SIZE ARE POSSIBLE WITH THIS
STORM. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL DITCHES
AND SMALL STREAMS.

  LOCATIONS IMPACTED INCLUDE...
  VALLEY POINT...       CLIFTON MILLS...      BRUCETON MILLS...
  HAZELTON...           CRANESVILLE...        MCHENRY...
  MCCOMAS BEACH...      FRIENDSVILLE...
  DEEP CREEK LAKE STATE PARK...               ACCIDENT...

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 3970 7927 3947 7931 3958 7973 3970 7968

15
Local storm report, Jul 19, 3:17 PM EDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
317 PM EDT FRI JUL 19 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0650 PM     FLASH FLOOD      1 NW CLARINGTON         41.34N  79.14W
07/18/2013                   JEFFERSON          PA   DEPT OF HIGHWAYS

            STATE ROUTE 899 CLOSED DUE TO HIGH WATER

&&

EVENT NUMBER PBZ1302582

98
Special weather statement, Jul 19, 3:40 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
340 PM EDT FRI JUL 19 2013

PAZ029-031-WVZ003-004-192015-
GREENE PA-MARSHALL WV-OHIO WV-WASHINGTON PA-
340 PM EDT FRI JUL 19 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MARSHALL...NORTHERN
GREENE...SOUTHEASTERN OHIO AND SOUTHWESTERN WASHINGTON COUNTIES...

AT 339 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES SOUTHWEST
OF DALLAS...MOVING EAST AT 25 MPH.

WIND GUSTS TO 50 MPH AND NICKEL SIZE HAIL ARE POSSIBLE WITH THIS
STORM. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL DITCHES
AND SMALL STREAMS.  INTENSE LIGHTNING CAN BE EXPECTED FROM THESE
STORMS. MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. DO NOT SEEK
SHELTER UNDER TREES.

  LOCATIONS IMPACTED INCLUDE...
  DALLAS...             SWARTS...             WAYNESBURG...
  MARIANNA...

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 4016 8009 3988 8006 3992 8061 4004 8064

15
Special weather statement, Jul 19, 3:51 PM EDT, 15 minutes before
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Local storm report, Jul 19, 4:01 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
401 PM EDT FRI JUL 19 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0348 PM     HAIL             1 ENE WOODSFIELD        39.77N  81.10W
07/19/2013  E1.00 INCH       MONROE             OH   PUBLIC

            TORRENTIAL RAIN AND HAIL

&&

EVENT NUMBER PBZ1302583

KRAMAR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 1:48 AM EDTHeat AdvisoryPBZAllegheny, Beaver, Butler, Greene, Lawrence, Mercer and 1 more16 hr
Jul 19, 12:58 PM EDTSpecial Weather StatementPBZGreene32 min
Jul 19, 3:40 PM EDTSpecial Weather StatementPBZWashington35 min
Jul 19, 3:51 PM EDTSpecial Weather StatementPBZWestmoreland39 min
Jul 19, 5:55 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington35 min
Jul 19, 6:01 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Butler29 min
Jul 19, 6:29 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Butler31 min
Jul 19, 3:43 PM EDTSevere Thunderstorm WarningPBZMonroe32 min
Jul 19, 4:19 PM EDTSevere Thunderstorm WarningPBZHarrison, Tuscarawas41 min
Jul 19, 4:34 PM EDTSevere Thunderstorm WarningPBZMuskingum26 min
Jul 19, 4:47 PM EDTSpecial Weather StatementPBZGuernsey28 min
Jul 19, 5:02 PM EDTFlash Flood WarningPBZMonroe, Noble3 hr
Jul 19, 5:04 PM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey41 min
Jul 19, 5:30 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison, Jefferson30 min
Jul 19, 6:56 PM EDTAreal Flood WarningPBZMonroe3 hr
Jul 19, 7:59 PM EDTAreal Flood AdvisoryPBZMonroe, Noble6 hr
Jul 19, 1:47 PM EDTSpecial Weather StatementPBZMarion28 min
Jul 19, 1:49 PM EDTSevere Thunderstorm WarningPBZMarion41 min
Jul 19, 1:57 PM EDTSpecial Weather StatementPBZMonongalia33 min
Jul 19, 2:06 PM EDTAreal Flood AdvisoryPBZMarion, Monongalia3 hr
Jul 19, 2:19 PM EDTSpecial Weather StatementPBZPreston26 min
Jul 19, 2:24 PM EDTSevere Thunderstorm WarningPBZMonongalia, Preston51 min
Jul 19, 2:30 PM EDTAreal Flood WarningPBZMarion, Monongalia3 hr
Jul 19, 2:50 PM EDTSpecial Weather StatementPBZPreston25 min
Jul 19, 5:43 PM EDTSpecial Weather StatementPBZHancock32 min

Nearby

Flash Flood Warnings in Ohio, 2013Every flash flood warning in 2013

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.