Alert archive / West Virginia / Flash Flood Warnings in 2010

Flash Flood Warning 14, NWS Pittsburgh, PA

July 9, 2010Monongalia County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jul 9, 2010, 6:15 PM EDT for Monongalia 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 9, 2010, 6:15 PM EDT (22:15 UTC)
Expired: Jul 9, 2010, 9:15 PM EDT
In force: 3 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: None

County Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 101 km from the middle of the area, began a volume at 22:15 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 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 9, 1:59 PM EDT, 4 hours 16 minutes earlier.

Area forecast discussion, Jul 9, 1:59 PM EDT, 4 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
159 PM EDT FRI JUL 9 2010

.SYNOPSIS...
A COLD FRONT WILL CROSS THE AREA TODAY AND THIS EVENING...BRINGING
SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WILL BUILD ACROSS THE AREA
FOR THE WEEKEND INTO EARLY NEXT WEEK...BRINGING DRY AND SEASONABLE
CONDITIONS.

&&

.NEAR TERM /THROUGH SATURDAY/...
A COLD FRONT ENTERING EASTERN OHIO THIS AFTN WILL MOVE EAST INTO
WESTERN PA LATE THIS AFTN/EARLY EVENING...AND INTO WESTERN MD
BY MIDNIGHT. SHWR/TSTM ACTIVITY IS INCREASING AHEAD OF THE FRONT
AND THIS TREND WILL CONTINUE THROUGH THE LATE AFTN AS THE FRONT
MAKES ITS CROSSING. SOME OF THE SHWRS WILL BE LOCALLY HEAVY. EXPECT
AREAL AVERAGE RAINFALL AMOUNTS OF 0.50 TO 1.25 INCHES. WITH DEEP
LAYER SHEAR SOMEWHAT LIMITED...DO NOT EXPECT ORGANIZED STRONG/SEVERE
TSTMS...WITH PERHAPS GUSTY WINDS WITH THE STRONGER STORMS. PRECIP
WILL DIMINISH WEST TO EAST TNGT AS THE FRONT EXITS...WITH EASTERN
OHIO MAINLY DRY BY MIDNIGHT...AND WESTERN PA MAINLY DRY BY SATURDAY
MORNING. CONCERNING POST FRONTAL FOG DEVELOPMENT SATURDAY
MORNING...MODEL PROFILES CONTINUE TO INDICATE STRATUS DEVELOPMENT
WOULD BE MORE FAVORABLE OVER FOG DUE TO SURFACE LAYER WIND SPEEDS
5-8 MPH...THUS WILL LINGER SOME CLOUDS POST-FRONTAL PASSAGE IN
LIEU OF FOG. SKIES WILL CLEAR SATURDAY AFTN AS HIGH PRESSURE BUILDS
IN. LESS HUMID CONDITIONS WILL PREVAIL SATURDAY...WITH HIGH
TEMPERATURES CLOSE TO NORMAL.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
SURFACE HIGH PRESSURE WILL RESULT IN DRY CONDITIONS. A WEAK RIPPLE
IN THE UPPER LEVEL FLOW MAY CLIP THE AREA FROM THE NORTH ON
SUNDAY...BUT THINK THIS WILL PRODUCE SOME MID LEVEL CLOUDS AT
MOST. THE NEXT FRONTAL SYSTEM WILL APPROACH FROM THE WEST ON
MONDAY...BUT THINK SIGNIFICANT LIFT WILL REMAIN WEST THROUGH
MONDAY AFTN...THUS WILL KEEP CONDITIONS DRY WITH SOME INCREASING
CLOUDS MONDAY AFTN. NEAR NORMAL TEMPERATURES WILL PREVAIL THROUGH
SUNDAY...WARMING TO AROUND 5 DEGREES ABOVE NORMAL MONDAY.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
THE APPROACH OF NEXT FRONTAL SYSTEM WILL AFFECT THE REGION BY
LATE MONDAY NIGHT. CHANCE SHOWERS AND THUNDERSTORMS LATER MONDAY
NIGHT AND REMAIN THROUGH EARLY WEDNESDAY EVENING AS FRONTAL SYSTEM
LINGERS IN THE AREA. MODELS DIFFER ON TIMING AND STRENGTH OF
DISTURBANCES MOVING ALONG FRONT, BUT IN AGREEMENT FOR CHANCE OF
SHOWERS THROUGH THAT PERIOD.

SEASONAL TEMPERATURES THOUGH WEDNESDAY...THEN INCREASE TO ABOVE
NORMAL VALUES THURSDAY AND FRIDAY.

&&

.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
SHOWERS AND THUNDERSTORMS RAPIDLY INCREASING IN COVERAGE. MVFR
CONDITIONS WITH ISOLATED IFR CONDITIONS IN SOME HEAVIER RAIN
AREAS.  COLD FRONT MOVES THOUGH THE AREA. AREAS OF MVFR CAN
BE EXPECTED. TSTM COVERAGE WILL GENERALLY BE SCATTERED...WITH TEMPO
GROUPS MENTIONED THIS AFTN/EARLY EVENING. SHWRS WILL DECREASE THIS
EVENING/OVERNIGHT AS THE FRONT MOVES EASTWARD WITH STRATUS AND 5-6
MI VSBY RESTRICTIONS.

RESIDUAL SHOWERS AND RESTRICTIONS WILL END SATURDAY MORNING AS THE
COLD FRONT EXITS TO THE EAST. HIGH PRESSURE WILL BRING VFR TO THE
REGION SATURDAY AFTERNOON THROUGH MONDAY. THE NEXT FRONTAL SYSTEM IS
FORECAST AFFECT THE AREA MONDAY NIGHT THROUGH MIDWEEK BRINGING
SHOWERS AND POTENTIAL RESTRICTIONS.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

Hazardous weather outlook, Jul 9, 4:10 AM EDT, 14 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
410 AM EDT FRI JUL 9 2010

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-100815-
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-
410 AM EDT FRI JUL 9 2010

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jul 9, 3:37 PM EDT, 2 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
337 PM EDT FRI JUL 09 2010

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

0336 PM     FLOOD            1 SSE TARENTUM          40.59N 79.75W
07/09/2010                   WESTMORELAND       PA   TRAINED SPOTTER

            1.75 INCHES OF RAIN IN ABOUT 75 MINUTES. WATER ON ROADS
            AND RUNNING DOWN THE STREETS.

&&

ASMITH

Special weather statement, Jul 9, 3:43 PM EDT, 2 hours 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
343 PM EDT FRI JUL 9 2010

PAZ021-029-030-092045-
ALLEGHENY PA-WASHINGTON PA-WESTMORELAND PA-
343 PM EDT FRI JUL 9 2010

...THUNDERSTORMS...

THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...
WASHINGTON...ALLEGHENY AND WESTMORELAND...

AT 339 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS OVER MOUNT LEBANON...MOVING EAST AT 15
MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  UPPER SAINT CLAIR...  MOUNT LEBANON...      MCMURRAY...
  CARNEGIE...           BRIDGEVILLE...        BETHEL PARK...
  MCKEES ROCKS...       BALDWIN...            NORTH SIDE...
  DOWNTOWN PITTSBURGH...                      SOUTH SIDE...
  JEFFERSON BORO...

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

PRECAUTIONARY/PREPAREDNESS ACTIONS...THESE STORMS WILL PRODUCE
PERIOD OF INTENSE RAIN...WIND GUSTS TO 40 MPH...AND PEA SIZE HAIL.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

&&

LAT...LON 4063 7965 4026 7951 4025 7979 4025 8014
      4043 8019

Special weather statement, Jul 9, 3:59 PM EDT, 2 hours 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
359 PM EDT FRI JUL 9 2010

PAZ015-016-092100-
CLARION PA-JEFFERSON PA-
359 PM EDT FRI JUL 9 2010

...THUNDERSTORMS...

THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...
JEFFERSON AND CLARION...

AT 354 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 5 MILES NORTHEAST OF DORA...MOVING
EAST AT 15 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  DORA...               BROOKVILLE...         PUNXSUTAWNEY...
  REYNOLDSVILLE...      BROCKWAY...

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

PRECAUTIONARY/PREPAREDNESS ACTIONS...THESE STORMS WILL PRODUCE
PERIOD OF INTENSE RAIN...WIND GUSTS TO 50 MPH...AND PEA SIZE HAIL.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

&&

LAT...LON 4119 7877 4113 7880 4095 7880 4092 7916
      4109 7923 4131 7881 4128 7875 4126 7873
      4124 7873 4123 7870 4120 7870

Local storm report, Jul 9, 4:03 PM EDT, 2 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
403 PM EDT FRI JUL 09 2010

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

0325 PM     FLOOD            LOWER BURRELL           40.58N 79.71W
07/09/2010                   WESTMORELAND       PA   TRAINED SPOTTER

            LOCALIZED FLOODING IN BASEMENTS IN KINMONT SECTION OF
            LOWER BURRELL.

0359 PM     FLOOD            NEW KENSINGTON          40.57N 79.75W
07/09/2010                   WESTMORELAND       PA   TRAINED SPOTTER

            2.25 INCHES STORM TOTAL. SEVENTH STREET IN NEW KENSINGTON
            CLOSED DUE TO FLOODING. PUCKETA CREEK OUT OF BANK.

&&

ASMITH

Special weather statement, Jul 9, 4:49 PM EDT, 1 hour 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
449 PM EDT FRI JUL 9 2010

PAZ008-009-015-016-022-092145-
ARMSTRONG PA-CLARION PA-FOREST PA-JEFFERSON PA-VENANGO PA-
449 PM EDT FRI JUL 9 2010

...THUNDERSTORMS...

THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES...
ARMSTRONG...JEFFERSON...VENANGO...FOREST AND CLARION...

AT 444 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 3 MILES SOUTHWEST OF CLARION...MOVING
EAST AT 15 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  KNOX...               CLARION...            LIMESTONE...
  FRYBURG...            SUMMERVILLE...
  COOK FOREST STATE PARK...                   BROOKVILLE...
  REDCLYFFE...          MARIENVILLE...        LYNCH...
  CLEAR CREEK STATE PARK...                   BROCKWAY...

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

PRECAUTIONARY/PREPAREDNESS ACTIONS...THESE STORMS WILL PRODUCE
PERIOD OF INTENSE RAIN AND WIND GUSTS TO 40 MPH.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND CREEKS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

&&

LAT...LON 4119 7877 4113 7880 4103 7965 4118 7969
      4145 7932 4164 7904 4163 7901 4155 7895
      4144 7895 4144 7906 4136 7909 4136 7903
      4138 7898 4137 7894 4128 7875 4120 7870

Local storm report, Jul 9, 5:22 PM EDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
522 PM EDT FRI JUL 09 2010

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

0518 PM     FLOOD            CLARION                 41.21N 79.38W
07/09/2010                   CLARION            PA   EMERGENCY MNGR

            STREET FLOODING IN DOWNTOWN CLARION ON NORTH 5TH ST. AND
            SOUTH ST. WITH ROAD CLOSURES.

&&

RCC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 2:41 PM EDT	Flash Flood Warning	PBZ	Allegheny, Armstrong, Butler, Clarion	3 hr
Jul 9, 3:36 PM EDT	Flash Flood Warning	PBZ	Westmoreland	4 hr
Jul 9, 3:43 PM EDT	Special Weather Statement	PBZ	Allegheny	62 min
Jul 9, 3:59 PM EDT	Special Weather Statement	PBZ	Jefferson	61 min
Jul 9, 4:37 PM EDT	Flash Flood Warning	PBZ	Beaver	3 hr
Jul 9, 4:49 PM EDT	Special Weather Statement	PBZ	Clarion, Jefferson	56 min

Nearby

Flash Flood Warnings in West Virginia, 2010 Every flash flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.