Temeratures above freezing and rainfall caused ice to move and jam along Deckers Creek in and near Morgantown.
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The episode as NWS PBZ wrote it up.
Temeratures above freezing and rainfall caused ice to move and jam along Deckers Creek in and near Morgantown.
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 Pittsburgh, PA wrote its last area forecast discussion before the first event at Feb 21, 3:45 PM EST, 1 hour 32 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 345 PM EST WED FEB 21 2007 .SHORT TERM /TONIGHT THROUGH THURSDAY/... LOW CLOUDS AND FOG HAVE FINALLY CLEARED OUT OVER ALL BUT OUR SOUTHERNMOST EAST CENTRAL OHIO ZONES THIS AFTERNOON. TONIGHT SHOULD REMAIN MAINLY DRY. ONLY CONCERN IS IMPACT OF MILDER TEMPERATURES ON STREAM LEVELS DUE TO SNOW MELT AND ICE JAMMING AND MOVEMENTS. NEXT LOW PRESSURE SYSTEM WILL TRACK SOUTHEAST ACROSS THE GREAT LAKES LATE TONIGHT AND THURSDAY AND BRING A CHANCE OF RAIN AND SNOW SHOWERS TO THE UPPER OHIO VALLEY REGION DURING THURSDAY. && .LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/... GFS AND ECMWF MODEL CONTINUE TO SHOW A MORE ZONAL UPPER LEVEL JET STREAM FLOW INTO NEXT WEEK, WHICH MEANS GENERALLY A TREND TOWARD MILDER TEMPERATURES THIS PERIOD. HOWEVER, AT THE START, THERE WILL BE AN INFLUX OF COLDER AIR WITH THE PASSAGE OF THE CLIPPER-TYPE LOW PRESSURE SYSTEM THROUGH THE GREAT LAKES THURSDAY AND THURSDAY NIGHT. THIS WILL ALSO RESULT IN SOME SNOW SHOWERS BUT LITTLE SNOW ACCUMULATION IS EXPECTED DUE TO THE SHALLOWNESS OF THE ASSOCIATED UNSTABLE BOUNDARY LAYER. POSTFRONTAL WINDS WILL BECOME BRISK WITH GUSTS INTO THE 30 MPH RANGE. HIGHS FRIDAY AND SATURDAY WILL BE NO HIGHER THAN THE 30S. GFS AND ECMWF MODEL RUNS CONTINUE TO SHOW A DEVELOPING LOW PRESSURE SYSTEM MOVING NORTHWARD THROUGH THE MISSISSIPPI VALLEY THIS WEEKEND. THIS WILL DRIVE AN OCCLUDING FRONT THROUGH THE UPPER OHIO VALLEY. WITH GOOD GULF MOISTURE INFLUX AHEAD OF THIS FRONTAL LIFT, PRECIPITATION AMOUNTS HAVE THE POTENTIAL TO REACH 0.50 TO 1.00 INCHES IN A 12H PERIOD. WITH SNOWMELT YIELDING 1-2 INCHES OF WATER EQUIVALENT, THIS SITUATION WILL HAVE TO BE MONITORED FOR ITS IMPACT ON AREA STREAMS AND RIVERS. THE OTHER CONCERN IS THE INITIAL PRECIPITATION TYPE EARLY SUNDAY, AS TEMPERATURES CAN BE SUBFREEZING AT LOWLEVELS. SO A MIX WAS MENTIONED. MUCH OF NEXT WEEK WILL HAVE TEMPERATURES NEAR NORMAL AND PRECIPITATION AMOUNTS SHOULD BE LIGHT, WHICH IS TYPICAL FOR A ZONAL JET STREAM PATTERN. && .AVIATION /21Z-18Z/... LARGE AREA OF LOW STRATUS AND FOG CONTINUES TO ERODE SOUTHWARD. ONLY TERMINAL STILL AFFECTED BY IFR CONDITIONS IS ZZV...AND EXPECT LOW CLOUDS TO SCATTER OUT AT ZZV DURING NEXT HOUR OR TWO. VFR CONDITIONS ARE FORECAST TO CONTINUE ACROSS THE REGION TONIGHT. NEXT LOW PRESSURE SYSTEM WILL TRACK SOUTHEAST ACROSS THE GREAT LAKES LATE TONIGHT AND THURSDAY. MID CLOUDS AHEAD OF SYSTEM SHOULD SLIDE INTO THE UPPER OHIO VALLEY REGION TOWARD DAWN THURSDAY WITH CLOUD BASES LOWERING TO AROUND 3000 FEET BY LATE MORNING. SCATTERED RAIN AND SNOW SHOWERS WILL OCCASIONALLY REDUCE VISIBILITY TO MVFR MAINLY DURING THE AFTERNOON THURSDAY. SURFACE WINDS WILL BECOME WEST WITH GUSTS NEAR 25 KT AT TIMES. && .MARINE... && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && 66/11/66/
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 347 AM EST WED FEB 21 2007 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016- 020>023-029>032-WVZ001>004-012-021>023-041-220900- 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- 347 AM EST WED FEB 21 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF 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 A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. SATURATED AIR MOVING ACROSS SNOW COVERED GROUND WILL CAUSE AREAS OF DENSE FOG INTO MID MORNING. TRAVELERS SHOULD ALSO BE AWARE OF RUNOFF FROM MELTING SNOW FREEZING ON UNTREATED ROADS THIS MORNING AS TEMPERATURES FALL BACK BELOW FREEZING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The Pittsburgh radar (KPBZ), 104 km away, was scanning. The volume nearest the first event began at 22:16 UTC.
1 flash flood. Local standard time, as filed.
Flash flooding occured due to an ice jam along Deckers Creek flooding roads in and near Morgantown.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in West Virginia in 2007Every state in 2007This day in weather historyWarnings in West Virginia, February 2007
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: 14374.