A heavy rain producing thunderstorm prompted flash flooding in the city of Princeton. Several roads were closed due to the flooding, and the high water inundated a vehicle.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS RNK wrote it up.
A heavy rain producing thunderstorm prompted flash flooding in the city of Princeton. Several roads were closed due to the flooding, and the high water inundated a vehicle.
The local office's own words before the first event, 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 the first event at Jul 12, 7:00 AM EST, 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BLACKSBURG VA 800 AM EDT SUN JUL 12 2009 .SYNOPSIS... A COLD FRONT WILL CROSS THE FORECAST AREA TODAY...THEN STALL JUST TO OUR SOUTH TONIGHT. A WEAK AREA OF HIGH PRESSURE WILL MOVE ACROSS THE OHIO VALLEY MONDAY...CROSSING THE CENTRAL APPALACHIANS TUESDAY. THE STALLED FRONT TO OUR SOUTHWEST WILL RETURN AS A WARM FRONT WEDNESDAY...FOLLOWED BY ANOTHER COLD FRONT THAT WILL CROSS THE OHIO VALLEY WEDNESDAY AND INTO OUR FORECAST AREA BY THURSDAY. && .NEAR TERM /THROUGH TONIGHT/... A COLD FRONT WAS LOCATED THIS MORNING TO OUR NORTHWEST FROM ERI TO MDH. AHEAD OF THE FRONT...A SFC TROUGH AXIS EXTENDED SOUTH THROUGH THE MID-ATLANTIC INTO THE CAROLINAS. THE COLD FRONT WILL SLIDE SOUTH ACROSS OUR AREA TODAY AND STALLS OUT JUST TO OUR SOUTH. FIRST BATCH OF CONVECTION ASSOCIATED WITH SHORTWAVE IN WEST VIRGINIA WILL DROP SOUTHEAST ACROSS WESTERN PORTIONS OF CWA THIS MORNING. OUR ATMOSPHERE REMAINS QUITE MOIST WITH PWATS AROUND 1.50 AS SEEN ON 00Z RNK SOUNDING. EXPECT SHOWERS AND THUNDERSTORMS TO DEVELOP ALONG THE BOUNDARY THIS AFTERNOON. USED BLEND OF NAM/WRFARW-RNK AND CONTINUITY FOR POPS...WITH THE HIGHEST POPS IN THE SOUTH AND SOUTHWEST CWA. SOME OF THE THUNDERSTORMS THIS AFTERNOON COULD CONTAIN GUSTY WINDS AND HEAVY RAINS. PLAYED HIGH TEMPERATURES CLOSE TO MET GUID. FRONTAL BOUNDARY WILL GET HUNG UP ACROSS NORTHERN NC TONIGHT AS NEXT MID LEVEL S/W APPROACHES FROM THE NW. ELECTED TO GO WITH CHCY POPS ESPCLY SOUTHERN AND WESTERN ZONES SUNDAY NIGHT AS BACKING OVERRUNS THE RESIDUAL FRONT AHEAD OF THE WAVE. LEANED LOW TEMPERATURES CLOSE TO WARM VALUES. && .SHORT TERM /MONDAY THROUGH MONDAY NIGHT/... WITH FRONTAL BOUNDARY CLOSE BY TO OUR SOUTH ON MONDAY...CANT RULE OUT SOME AFTERNOON DEEP CONVECTION ACROSS THE SOUTHERN AND FAR WESTERN CWA...ESPECIALLY IN THE NC MTNS. ELSEWHERE...SUBSIDENCE WILL OVERTAKE AREA AS AN AREA OF WEAK HIGH PRESSURE MOVES ACROSS THE OHIO VALLEY AND INTO THE CENTRAL APPALACHIANS. TEMPS MONDAY AND MONDAY NIGHT WILL DEPEND ON DEBRIS CLOUDINESS FROM ONGOING DEEP CONVECTION ALONG THE FRONTAL BOUNDARY TO OUR SOUTHWEST. FOR NOW WILL GO WITH THE MAV MOS...BIAS CORRECTED TO THE COOL SIDE FOR THE TMAX AND TO THE WARM SIDE FOR THE TMIN PER AFFORMENTIONED CLOUD COVER. && .LONG TERM /TUESDAY THROUGH SATURDAY/... INITIAL COLD FRONT SHOULD BE WELL SE OF THE AREA TUESDAY/TUESDAY NIGHT AS 5H TROF LIFTS OUT WITH WEAK HIGH PRESSURE IN PLACE. FAST ZONAL FLOW THEN DEVELOPS MIDWEEK IN BETWEEN EXITING TROF AND NEXT PIECE OF UPSTREAM ENERGY ROUNDING THE SOUTHERN UPPER RIDGE. THIS IN COMBO WITH RETURN FLOW SHOULD PROPEL THE FRONT BACK NE AS A WARM FRONT WED AHEAD OF THE ASSOCIATED COLD FRONT TIMED TO ARRIVE THU INTO THU NIGHT. LOOKS LIKE BEST LIFT/MOISTURE WILL BE TO THE NW WITH THE WARM FRONT...THEN ACROSS THE WEST WITH A POSSIBLE PRE-FRONTAL BAND OF SHRA/TSRA WED NIGHT INTO EARLY THU. THUS INCLUDING A RETURN ON ONLY LOW POPS MAINLY WEST WED/WED NIGHT AND MAINLY DRY TO SLIGHT POPS PIEDMONT. FRONT MAY JUMP TO RESIDUAL LEE TROF ON THU WITH THE AMOUNT OF W/NW WIND A QUESTION TO CONVECTIVE COVERAGE. MOST MODEL GUIDANCE OUTSIDE OF THE WETTER CANADIAN HAS MOST QPF TO THE SOUTH THU INTO THU NIGHT WHICH LOOKS TOO DRY ATTM. THINK BEST TO KEEP LOW/MID CHANCE POPS MOST SECTIONS FOR NOW AND SEE HOW LATER RUNS TREND. MORE S/W ENERGY WILL DROP SE INTO THE 5H TROF BY THE WEEKEND AND ATTEMPT TO CLOSE OFF ANOTHER UPPER COLD POOL ACROSS THE NE U.S AS SEEN MANY TIMES OVER THE PAST FEW MONTHS. THIS MAY DEVELOP MORE WAVES ALONG THE FRONT TO THE SOUTH FRI-SAT ESPCLY AS THE TROF AXIS REMAINS JUST TO OUR WEST. THINK COMBO OF SOME INCREASED LOW LEVEL RH ESPCLY EAST AND COOLING ALOFT WILL LEAD TO ADDED SHRA/TSRA CHANCES BY SAT AFTER A BRIEF LULL WEST FRIDAY. TEMPS WILL FINALLY GET A BOOST MIDWEEK IN RESPONSE TO HIGHER HEIGHTS AND DEEPER WESTERLY FLOW ALOFT AHEAD OF THE COLD FRONT. APPEARS COULD PUSH THE MID 90S EAST BY THU AND CLOSE TO 90 WEST UNDER +23C 85H READINGS PENDING CONVECTION. READINGS THEN SLIDE BACK TO BELOW NORMAL VALEUS TO END THE WEEK BEHIND THE FRONT IN WEAK NE FLOW AND ADDED CLOUDS. && .AVIATION /12Z SUNDAY THROUGH THURSDAY/... FRONTAL BOUNDARY NEAR OH RIVER WILL DRIFT SOUTH TODAY...AND STALL OVER TN/NC TONIGHT. A WEST WIND ALONG THE FRONT IS RESULTING IN UPSLOPE MOISTURE THAT IS POOLING ON THE WEST SIDE OF THE MOUNTAINS WITH WIDESPREAD MVFR/IFR CONDITIONS FROM KLWB/KBLF WESTWARD. EAST OF THE MOUNTAINS THE WEST WIND WAS MOVING DOWNSLOPE RESULTING IN CLEARING SKIES AND MUCH HIGHER CLOUD BASES. SOME PATCHY FOG WAS EVIDENT EAST OF THE MOUNTAINS...BUT CONDITIONS WERE MAINLY VFR. LOW CLOUDS WILL LINGER ON THE WEST SIDE OF THE MOUNTAINS THROUGH THE MORNING...THEN IMPROVE AFTER 15 UTC. MOISTURE WILL LIFT ALONG THE FRONTAL BOUNDARY AND WILL BUBBLE UP INTO BUILD-UPS AND TCU. SCATTERED SHOWERS AND THUNDERSTORMS ARE ANTICIPATED FOR THE AFTERNOON WITH THE BEST COVERAGE SOUTH AND WEST OF KBLF OVER FAR SOUTHWEST MOUNTAINS OF VA AND NC. WILL MAINTAIN POTENTIAL FOR CB DEVELOPMENT EAST OF THE MOUNTAINS BUT WILL NOT PUT ANY THUNDER IN THE EASTERN TAFS...THE COVERAGE JUST NOT ENOUGH TO WARRANT ATTM. CLEARING BEHIND THE FRONT WILL BRING OPPORTUNITY FOR RADIATION FOG TONIGHT...ESPECIALLY IN THE MOUNTAIN VALLEYS. A WESTERLY UPSLOPE WIND WILL ALSO PERSIST WEST OF THE MOUNTAINS...SO FEEL MVFR TO IFR CONDITIONS WILL REDEVELOP AT KBLF/KLWB AGAIN TONIGHT. BEYOND THIS TAF PERIOD...THE SURFACE FRONT WILL STALL SOUTH OF THE AREA AND RETURN AS A WARM FRONT ON WEDNESDAY. ANOTHER COLD FRONT WILL CROSS THE AREA THURSDAY. WIDELY SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE POSSIBLE OVER THE MOUNTAINS MONDAY AND TUESDAY...WITH BETTER COVERAGE ALONG THE WARM FRONT ON WEDNESDAY AND ALONG THE COLD FRONT THURSDAY. AT NIGHT LOOK FOR SOME MOUNTAIN VALLEY FOG...MAINLY AFFECTING KLWB. && .RNK WATCHES/WARNINGS/ADVISORIES... VA...NONE. NC...NONE. WV...NONE. && SYNOPSIS...PM NEAR TERM...KK SHORT TERM...PM LONG TERM...JH AVIATION...PM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 400 AM EDT SUN JUL 12 2009 NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059- WVZ042>045-130800- ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES- YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE- PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL- APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE- GREENBRIER- 400 AM EDT SUN JUL 12 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Roanoke radar (KFCX), 82 km away, was scanning. The volume nearest the first event began at 12:04 UTC.
1 flash flood. Local standard time, as filed.
Flash flooding prompted the closure of Stafford Street between Bee Street and Ingleside Road. One vehicle was caught in the rising waters to over its doors. Damage values are estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in West Virginia in 2009Every state in 2009This day in weather historyWarnings in West Virginia, July 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 189899.