Alert archive / Virginia / River Flood Warnings in 2009
River Flood Warning 14, NWS Blacksburg, VA
NWS Blacksburg, VA issued this river flood warning at Nov 12, 2009, 9:24 AM EST for Campbell County, Pittsylvania County, Virginia. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2009, 9:24 AM EST (14:24 UTC)
- Expired
- Nov 13, 2009, 12:34 AM EST
- In force
- 15 hr
- Issued by
- NWS Blacksburg, VA
- Flood severity
- Moderate
Counties Campbell County, VA, Pittsylvania County, VA
The radar
The Roanoke radar (KFCX), 91 km from the middle of the area, began a volume at 14:28 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 river
Written for the forecast point Roanoke River at Altavista (ALTV2). The gauge peaked at 20.52 ft at Nov 12, 2009, 3:00 PM EST.
- Action stage
- 16 ft
- Minor stage
- 18 ft
- Moderate stage
- 24 ft
- Major stage
- 29 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02060500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Blacksburg, VA wrote its last area forecast discussion before this river flood warning went out at Nov 12, 6:17 AM EST, 3 hours 7 minutes earlier.
Area forecast discussion, Nov 12, 6:17 AM EST, 3 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
617 AM EST THU NOV 12 2009
.SYNOPSIS...
A LOW PRESSURE SYSTEM WILL CONTINUE TO DEVELOP OFF THE CAROLINA
COAST THROUGH TONIGHT...KEEPING A FLOW OF VERY MOIST AIR INTO THE
REGION ON GUSTY NORTHEAST WINDS. WEAK HIGH PRESSURE WILL BUILD
BACK IN BY THE WEEKEND.
&&
.NEAR TERM /THROUGH TONIGHT/...
ONCE A HURRICANE...IDA WILL TRANSFORM INTO A MATURE NOREASTER OFF
THE CAROLINA COAST BY TONIGHT. THE CENTER OF CIRCULATION WILL HOVER
OVER THE OUTER BANKS WITH THE DEFORMATION ZONE REMAINING ACROSS THE
SOUTHERN APPALACHIAN. ANOTHER INCH OR SO OF RAIN IS POSSIBLE OVER THE
AREA DURING THE NEXT 12 HOURS AS THE DEFORMATION AXIS PIVOTS EAST
AND INTO THE PIEDMONT. WITH 2 TO 4 INCHES...SOME 5 TO 6 INCH
REPORTS...OF RAIN HAVE FALLEN OVER THE LAST 48 HOURS...WILL KEEP THE
FLOOD WATCH THROUGH THIS AFTERNOON. THERE IS AN ISO-THERMAL LAYER
AROUND 3-4KFT...WHICH IS MAKING THE RADAR RUN HOT AND OVER
ESTIMATE RAINFALL TOTALS. THE RADAR WILL SHOW THE AREA OF HEAVIEST
RADAR THROUGH THE DAY...BUT BRIGHT BANDING MAY PAINT A MORE
OMINOUS PICTURE THAN WHAT IS OCCURRING.
MODELS ALSO KEEPING STRONG LOW LEVEL JET...60-70 KNOTS...OVER THE
COASTAL PIEDMONT OF NC/VA. THESE STRONG WINDS WILL NOT TOTALLY MIX
TO THE GROUND. HOWEVER...WITH SATURATED GROUND...REPORTS OF 40 MPH
WINDS HAVE BEEN UPROOTING TREES. RNK WILL CONTINUE THE WIND ADVISORY
FOR AREAS EAST OF THE BLUE RIDGE DESPITE WIND SPEEDS BEING BELOW
CRITERIA.
NORTHEASTERLY WINDS WILL CONTINUE TO PUSH COOLER AIR INTO THE REGION.
COUPLE THIS COOLER AIR WITH RAIN...AND TEMPERATURES WILL NOT WARM TO
MUCH THROUGH THE DAY. SOME AREAS WILL BE LUCKY TO REACH 50F...SOME
HIGHER ELEVATION MAY STAY IN THE 30S. SIMILAR TEMPERATURES EXPECTED
TONIGHT WITH READINGS IN THE MID 30S TO LOWER 40S.
&&
.SHORT TERM /FRIDAY THROUGH SATURDAY/...
UPPER LOW OFF THE NORTH CAROLINA COAST FILLS SLIGHTLY AND DRIFTS
EAST ON FRIDAY NIGHT AND SATURDAY. 500 MB HEIGHTS START RISING OVER
THE FORECAST AREA ON FRIDAY AND BY SATURDAY MORNING AREA IS UNDER
THE RIDGE AXIS. WINDS WILL ALSO DIMINISH AS THE LOW MOVES FARTHER
OFFSHORE. HAVE SLOWED DOWN THE ENDING TIME OF THE RAIN AND THE
CLEARING BY 6 TO 12 HOURS. TEMPERATURES MODERATE DURING THE PERIOD
SO HAVE GONE CLOSER TO THE WARMER MET GUIDANCE THROUGH THE PERIOD.
&&
.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
WITH THE COASTAL LOW PRESSURE MOVING NORTHEAST IN THE ATLANTIC
OCEAN...LEANED ISC GRIDS TOWARDS THE GFS SOLUTION. WEAK HIGH
PRESSURE WILL CONTROL OUR WEATHER SATURDAY...WENT WITH THE
MOSGUIDEBC FOR HIGH TEMPERATURES. THE CLOSING OFF OF THE
SYSTEM ALONG THE ATLANTIC COAST SIGNALS A RETURN TO MERIDIONAL
FLOW...WITH THE BASIC SPLIT IN THE REGIME LEADING TO CLOSED VORTICES.
A FRONTAL BOUNDARY SLOWLY APPROACHES FROM THE NORTHWEST SATURDAY
NIGHT INTO SUNDAY. A WAVE OF LOW PRESSURE WILL SLOW THE EASTWARD
PROGRESS OF THE FRONT ON SUNDAY INTO MONDAY WITH THE COLD FRONT
ARRIVING TUESDAY INTO WEDNESDAY.
&&
.AVIATION /11Z THURSDAY THROUGH MONDAY/...
RAINFALL WILL REMAIN STEADY OVER THE AREA WITH PERIODS OF MODERATE
TO HEAVY RAIN AT ROA/LYH/DAN THROUGH THIS MORNING. AS THE LOW
PRESSURE SPINS OFF THE OUTER BANKS...THE AXIS OF HEAVY RAIN WILL
PIVOT TO THE PIEDMONT. THIS MAY EXTEND HEAVY RAIN POTENTIAL AT LYH
AND DAN THROUGH THIS EVENING. ALSO WITH THE LOW OFF THE
COAST...WINDY AND GUSTY CONDITIONS IS LIKELY AT DAN AND LYH. A
STRONG LOW LEVEL JET WILL ALSO CREATE WIND SHEAR ACROSS THE AREA.
VISIBILITIES WILL PRIMARILY BE MVFR WITH OCCASIONAL IFR IN HEAVIER
RAIN BANDS. CEILINGS WILL ALSO BOUNCE AROUND THROUGH THE DAY FROM
LOW END VFR TO HIGH END IFR.
NOT VERY MUCH MOVEMENT WITH THE LOW OFF THE COAST AS IT BECOMES
OCCLUDED. ON FRIDAY/FRIDAY NIGHT...THIS LOW MAY DRIFT FAR ENOUGH TO
THE EAST TO BRING IMPROVING CONDITIONS TO THE AREA.
STRONG HIGH PRESSURE WILL BE BUILDING INTO THE AREA OVER THE
WEEKEND. EXPECTING VFR CONDITIONS TO RETURN FRIDAY AFTERNOON AND
INTO THE WEEKEND.
&&
.HYDROLOGY...
FLOOD WARNINGS FOR SMALL STREAMS...AND RIVER FLOOD WARNINGS ARE IN
EFFECT. SEE THE LATEST FLOOD WARNINGS OR STATEMENTS FOR DETAILS.
&&
.EQUIPMENT...
THE SOUTH BOSTON TRANSMITTER IS OFF THE AIR WITH APPARENT PHONE
LINE PROBLEMS. IT IS UNKNOWN WHEN IT WILL BE BACK UP. SOUTH BOSTON
RIVER GAGE IS STUCK AT 18.5 FEET.
&&
.RNK WATCHES/WARNINGS/ADVISORIES...
VA...FLOOD WATCH UNTIL 4 PM EST THIS AFTERNOON FOR VAZ016-017-
032>035-043>047-058-059.
WIND ADVISORY UNTIL 6 AM EST FRIDAY FOR VAZ032>035-043>047-058-
059.
NC...FLOOD WATCH UNTIL 4 PM EST THIS AFTERNOON FOR NCZ003>006.
WIND ADVISORY UNTIL 6 AM EST FRIDAY FOR NCZ003>006-019-020.
WV...NONE.
&&
SYNOPSIS...RCS
NEAR TERM...RCS
SHORT TERM...AMS
LONG TERM...KK
AVIATION...AMS/RCS
HYDROLOGY...RCS
EQUIPMENT...RCSHazardous weather outlook, Nov 12, 3:49 AM EST, 5 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 349 AM EST THU NOV 12 2009 NCZ001-002-018-VAZ007-009>015-018>020-022>024-WVZ042>045-130900- ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI- MONTGOMERY-GRAYSON-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE-MERCER-SUMMERS-MONROE-GREENBRIER- 349 AM EST THU NOV 12 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH CAROLINA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. VAZ016-017-130900- CARROLL-FLOYD- 349 AM EST THU NOV 12 2009 ...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ003>006-VAZ032>035-043-045>047-130900- SURRY-STOKES-ROCKINGHAM-CASWELL-PATRICK-FRANKLIN-BEDFORD-AMHERST- HENRY-CAMPBELL-APPOMATTOX-BUCKINGHAM- 349 AM EST THU NOV 12 2009 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. VAZ044-058-059-130900- PITTSYLVANIA-HALIFAX-CHARLOTTE- 349 AM EST THU NOV 12 2009 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WIND ADVISORY. RIVER FLOOD WARNING FOR THE DAN RIVER FROM DANVILLE TO SOUTH BOSTON...AND FOR THE ROANOKE RIVER AT RANDOLPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ019-020-130900- WILKES-YADKIN- 349 AM EST THU NOV 12 2009 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. RCS
In the hours before
Local storm report, Nov 12, 4:42 AM EST, 4 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
442 AM EST THU NOV 12 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 AM NON-TSTM WND DMG NE STEWARTSVILLE 37.27N 79.79W
11/12/2009 BEDFORD VA FIRE DEPT/RESCUE
TREE DOWN ON JORDONTOWN ROAD
0100 AM NON-TSTM WND DMG 4 S MONTVALE 37.32N 79.72W
11/12/2009 BEDFORD VA FIRE DEPT/RESCUE
TREE DOWN ON QUARTERWOOD ROAD NEAR SHADY GROVE
0100 AM NON-TSTM WND DMG 5 NE MONETA 37.23N 79.56W
11/12/2009 BEDFORD VA FIRE DEPT/RESCUE
TREE DOWN ON ROUTE 24
0100 AM TSTM WND DMG E MONTVALE 37.38N 79.73W
11/12/2009 BEDFORD VA FIRE DEPT/RESCUE
TREE DOWN ON ROUTE 460
&&
AMSLocal storm report, Nov 12, 7:11 AM EST, 2 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
711 AM EST THU NOV 12 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0745 PM NON-TSTM WND DMG 3 S BETHANY 36.27N 79.84W
11/11/2009 ROCKINGHAM NC BROADCAST MEDIA
*** 1 FATAL *** TREE FELL ON CAR ON WITTY ROAD
&&
AMSLocal storm report, Nov 12, 7:40 AM EST, 1 hour 44 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 9:36 PM EST | Special Weather Statement | RNK | Alleghany, Bath, Bland, Botetourt, Craig, Floyd and 11 more | 114 min |
| Nov 12, 4:18 AM EST | River Flood Warning | RNK | Campbell, Charlotte, Halifax | 47 hr |
| Nov 12, 5:12 AM EST | Areal Flood Warning | RNK | Alleghany, Bath, Bedford, Botetourt, Craig, Montgomery and 7 more | 14 hr |
| Nov 12, 8:17 AM EST | River Flood Warning | RNK | Roanoke, City of Roanoke, City of Salem | 13 hr |
| Nov 12, 11:07 AM EST | River Flood Warning | RNK | Buckingham, Fluvanna | 38 hr |
Nearby
River Flood Warnings in Virginia, 2009Every river flood warning in 2009
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; the gauge from the NWS water service and the USGS.