Pennsylvania, 2013Flooding in Pennsylvania, January 31, 2013
January 31, 2013 · NWS PHI · 6 events in 6 counties and zones
The strong south to southwest winds preceding a cold frontal passage brought an unseasonably mild and moist air mass into Eastern Pennsylvania. This caused heavy rain to fall and caused poor drainage flooding as well as stream and river flooding in southeastern Pennsylvania on the 31st.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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 strong south to southwest winds preceding a cold frontal passage brought an unseasonably mild and moist air mass into Eastern Pennsylvania. This caused heavy rain to fall and caused poor drainage flooding as well as stream and river flooding in southeastern Pennsylvania on the 31st. Most of the waterway flooding was minor and all creeks and rivers were back within bankfull by the evening of the 31st. Event totals averaged 1.5 to 3.0 inches. The rain began during the second half of the afternoon on the 30th and fell at its heaviest during the early morning of the 31st as convective elements moved through eastern Pennsylvania. The rain ended around 7 a.m. EST on the 31st.
What forecasters said that day
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 Philadelphia/Mount Holly wrote its last area forecast discussion before the first event at Jan 30, 11:05 PM EST, 3 hours 25 minutes earlier.
Area forecast discussion, Jan 30, 11:05 PM EST, 3 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1105 PM EST WED JAN 30 2013
.SYNOPSIS...
A VERY STRONG COLD FRONT WILL PUSH THROUGH THE REGION OVERNIGHT.
A WEAK LOW PRESSURE SYSTEM WILL QUICKLY MOVE ACROSS THE MID
ATLANTIC FRIDAY MORNING, THEN HIGH PRESSURE BUILDS TO OUR SOUTH
FRIDAY NIGHT AND SATURDAY. THE NEXT COLD FRONT IS SCHEDULED TO
ARRIVE SUNDAY, THEN HIGH PRESSURE BRIEFLY ARRIVES SUNDAY NIGHT
INTO MONDAY, BEFORE ANOTHER COLD FRONT MOVES THROUGH TUESDAY.
&&
.NEAR TERM /UNTIL 7 AM THURSDAY MORNING/...
DAMAGING WIND EVENT MAY BE EVOLVING NOW AS VERY STRONG 3 HRLY PRES
FALLS IN S CENTRAL PA MOVE NEWD AND AID A BOMBING SURFACE LOW MOVING
NEWD FROM LHURON. GUSTY SLY WIND FIELDS SHOULD BRIEFLY PULSE UP 15-20
KTS FROM THE 04Z READINGS..BETWEEN 05Z-08Z..THEN THE CFP BRIEFLY
CALMS DOWN NEAR 10-11Z AND RAIN ABRUPTLY ENDS FROM W TO E. NO LIGHTNING
SO FAR BUT THAT MAY YET EVOLVE AS THE SFC FRONT ORGANIZES OVER THE
NEXT SEVERAL HOURS.
RAINFALL: MOST OF IT W OF I95. FROM THE FAR UPPER DELMARVA THROUGH
OUR COUNTIES IN EASTERN PENNSYLVANIA AND INTO NORTHWESTERN NEW
JERSEY, AMOUNTS OF ONE TO ONE AND A HALF INCHES SHOULD BE COMMON
WITH ISOLATED TOTALS AROUND 2 INCHES. AS A RESULT, THE FLOOD WATCH
WILL BE LEFT IN PLACE FOR TONIGHT.
ANY MODERATE TO HEAVY RAIN SHOWERS AND THUNDERSTORMS WILL EASILY
MIX VERY STRONG WIND GUSTS TO THE SURFACE.
AFTER THE COLD FRONT PASSES, THE WIND WILL SHIFT TO THE WEST
SOUTHWEST AND STRONG COLD ADVECTION WILL BEGIN. TEMPERATURES SHOULD
REMAIN VERY MILD AHEAD OF THE BOUNDARY WITH RECORD READINGS FOR
1/31 AT OR SHORTLY AFTER 1201 AM AND THEN FALL STEADILY AROUND 12Z.
PNS ON WIND CONTINUES.
&&
.SHORT TERM /7 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/...
THURSDAY WILL FEATURE STRONG COLD ADVECTION, ESPECIALLY IN THE
MORNING. TEMPERATURES WILL BE MUCH CLOSER TO SEASONABLE LEVELS THAN
THEY WERE TODAY. DUE TO THE COLD ADVECTION, WE ARE ANTICIPATING A
FAIR AMOUNT OF STRATOCUMULUS, ESPECIALLY OVER OUR NORTHERN AND
WESTERN COUNTIES.
THE WESTERLY WIND WILL BECOME QUITE STRONG FOR THURSDAY AND WIND
GUSTS MAY NEAR THE ADVISORY CRITERION. WE WILL WAIT UNTIL THE
CURRENT HIGH WIND WARNING AND WIND ADVISORY EXPIRE BEFORE ADDRESSING
THE POTENTIAL WIND ADVISORY FOR THURSDAY.
&&
.LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/...
COLD AIR ADVECTION WILL CONTINUE THROUGH SATURDAY MORNING AS THE
MID-LEVEL RIDGING SLIDES TO OUR EAST ALLOWING MEAN TROUGHING TO
SETUP ACROSS THE REGION. THE FIRST OF MANY MID-LEVEL SHORTWAVE
TROUGHS OF LOW PRESSURE WILL APPROACH FROM THE WEST EARLY FRIDAY
MORNING. THIS SYSTEM IS CONSIDERED TO BE A LOW AMPLITUDE PIECE OF
ENERGY AS IT MAKES NEARLY A B-LINE FROM THE OHIO VALLEY AND PASSES
JUST SOUTH OF OUR REGION. MODELS ARE SHOWING THERE IS A LITTLE BIT
OF QPF ASSOCIATED WITH THE EVENT...COUPLE HUNDREDTHS MAINLY ACROSS
OUR SOUTH AS THE SURFACE WAVE MOVES BY. GIVEN THE THERMAL PROFILES
WILL BE WELL BELOW FREEZING AND THERE IS A DECENT AMOUNT OF
MID-LEVEL LIFTING ASSOCIATED WITH THE VORT MAX, WE COULD SQUEEZE OUT
A FEW TENTHS OF AN INCH OF SNOW ACROSS A MAJORITY OF OUR AREA. THERE
IS STILL THE REALLY STRONG UPPER LEVEL JET JUST TO THE EAST OF THE
REGION WHICH COULD HELP TO INCREASE OMEGA PROVIDING A SLIGHTLY
BETTER CHANCE OF DENDRITIC SNOW GROWTH...THIS COULD INCREASE
SNOWFALL ACROSS THE SOUTHERN PORTIONS SPECIFICALLY.
HIGH PRESSURE THEN FOLLOWS FOR SATURDAY BEFORE THE NEXT SHORTWAVE
DIVES TO OUR SOUTH HELPING TO BRING A REINFORCING SHOT OF COLDER AIR
ON SUNDAY. BASED ON EXACTLY HOW FAR SOUTH THIS WAVE DIVES AND THE
POSITIONING OF THE JET DICTATE WHERE A SURFACE WAVE WILL FORM.
MODELS INDICATE MORE THAN LIKELY CYCLOGENESIS TAKES PLACE ALONG THE
NATURAL BAROCLINICITY OF THE COAST SUNDAY AFTERNOON. AS IT MOVES
FURTHER OFFSHORE IT DEEPENS AND COULD PROVIDE ANOTHER ROUND OF LIGHT
SNOW WITH MINIMAL ACCUMULATIONS.
AFTER SUNDAYS MID-LEVEL SYSTEM MOVES THROUGH THE FLOW LOOKS TO
BECOME MORE ZONAL AND MORE PROGRESSIVE THAN THE PRIOR FEW DAYS. WEAK
SURFACE RIDGING TO OUR SOUTH SHOULD KEEP THE MAJORITY OF MONDAY DRY
UNTIL THE THIRD EMBEDDED SHORTWAVE PUSHES EASTWARD. THIS SYSTEM
TAKES MORE TIME TO DEVELOP AS IT ENTERS THE GREAT LAKES REGION ON
TUESDAY. THE LOW-LEVEL FLOW TURNS MORE SOUTHERLY AS IT APPROACHES
AND WAA INDUCED PRECIPITATION IS POSSIBLE PROVING A MIXTURE OF
RAIN/SNOW ACROSS OUR REGION...AGAIN NOT MUCH QPF ASSOCIATED WITH IT.
THE ASSOCIATED COLD FRONT THEN SWINGS THROUGH LATER ON TUESDAY WITH
ANOTHER SHOT OF COLDER AIR AND RAIN/SNOW SHOWERS POSSIBLE. WITH A
MORE NORTH TRAJECTORY OF THE SURFACE WINDS ON WEDNESDAY CAN NOT
RULE OUT A FEW OROGRAPHICALLY INDUCED SNOW SHOWERS AND LAKE
STREAMERS THAT COULD MAKE IT INTO OUR AREA.
&&
.AVIATION /04Z THURSDAY THROUGH MONDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG, KILG,
KMIV, KACY AND SURROUNDING AREAS.
THROUGH 12Z...GENERALLY MVFR CIGS WITH OCNL IFR CONDS IN HEAVY
SHOWERS AND WINDS BRIEFLY PULSING SOUTHERLY G35-45 KTS BETWEEN
NOW AND THE WSHIFT CFP FM W TO E. THIS WSHIFT CFP BEGINS NEAR KRDG
AROUND 07Z AND REACHES KACY BY 10Z. LLWS. WINDS AT 2000 FT NOW
AROUND 50KTS ALONG AND EAST OF I95 CORRIDOR. THIS SHOULD BRIEFLY
INCREASE TO 60-70 KTS VCNTY 06Z-07Z PRIOR TO CFP I95 EWD.
AFTER THE COLD FRONT PASSES, CONDITIONS SHOULD IMPROVE TO VFR. A
GUSTY WEST WIND IS ANTICIPATED FOR THURSDAY. SUSTAINED SPEEDS MAY
BE IN THE 20 KNOT RANGE FOR MUCH OF THE DAY WITH GUSTS INTO THE 30S.
OUTLOOK...
THURSDAY NIGHT...STRONG WEST-NORTHWEST WINDS WITH GUSTS UPWARDS OF
40KTS STILL POSSIBLE...VFR.
FRIDAY...VFR WITH CONTINUED WEST WINDS AND STRONGER GUSTS. A FEW
SNOW SHOWERS ARE POSSIBLE WHICH COULD LOWER VSBYS...ESPECIALLY WITH
THE STRONGER WINDS.
SATURDAY...VFR WITH NW WINDS.
SUNDAY...MVFR OR LOWER IN SNOW SHOWERS.
MONDAY...VFR.
&&
.MARINE...
THE GALE WARNING WILL REMAIN IN EFFECT FOR TONIGHT AND THURSDAY.
FOR TONIGHT, A STRONG SOUTHERLY FLOW WILL CONTINUE UNTIL THE ARRIVAL
OF A COLD FRONT FROM THE WEST TOWARD DAYBREAK. A VERY STRONG SOUTH
SOUTHWESTERLY LOW LEVEL JET WILL BRING WIND SPEEDS IN EXCESS OF 70
KNOTS VERY CLOSE TO THE WATERS SURFACE. HOWEVER, WATER TEMPERATURES
ARE IN THE 40S AND THE AIR ADVECTING UP FROM THE SOUTH SHOULD BE IN
THE 60S. THAT CONTRAST WILL NOT ALLOW FOR EFFICIENT MIXING. WHILE
SOME GUSTS AROUND 50 KNOTS MAY REACH THE WATER'S SURFACE, MOST GUSTS
ARE EXPECTED TO BE IN THE GALE FORCE RANGE.
FOR THURSDAY, A STRONG WESTERLY FLOW IS ANTICIPATED TO DEVELOP IN
THE WAKE OF THE COLD FRONT. WIND GUSTS AGAIN MAY BE IN THE GALE
FORCE RANGE IN THE STRONG COLD AIR ADVECTION.
OUTLOOK...
A CONTINUED LOW-END OR HIGH END SMALL CRAFT LOOKS LIKELY THURSDAY
NIGHT INTO AT LEAST FRIDAY NIGHT AS A CONTINUED SURGE OF COLD AIR
MOVES ACROSS THE WATERS. HIGH PRESSURE WILL MOVE ACROSS ON SATURDAY
ALLOWING THE PRESSURE GRADIENT TO SLACKEN A BIT AND THE WINDS TO
DECREASE. A WAVE OF LOW PRESSURE LOOKS TO AFFECT OUR WATERS ON
SUNDAY AND COULD PROVIDE ANOTHER ROUND OF SMALL CRAFT/GALE FORCE
GUSTS THROUGH MONDAY.
&&
.HYDROLOGY...
NO STMTS ATTM.
&&
.TIDES/COASTAL FLOODING...
WE HAVE DECIDED TO ISSUE A COASTAL FLOODING ADVISORY FOR THE EASTERN
SHORE OF MARYLAND COUNTIES NEAR THE CHESAPEAKE BAY. THE STRONG SOUTH
WIND IS ALREADY IN PLACE AND THE TIDAL DEPARTURES HAVE RESPONDED
ACCORDINGLY. THESE DEPARTURES WILL CONTINUE TO RISE OVERNIGHT AND
MAY NOT DROP THAT QUICKLY...EVEN AFTER FRONTAL PASSAGE EARLY
THURSDAY MORNING. THE SURGE UP THE BAY EARLY THURSDAY EARLY MORNING
MAY BE DIRECTED AT THE WRN SHORE INITIALLY...BUT THEN WHEN THE WINDS
SHIFT...MAY BECOME MORE DIRECTED AT THE ERN SHORE.
THE HIGH TIDE TONIGHT WAS BELOW MINOR TIDAL FLOODING LEVELS. THE
HIGH TIDE THURSDAY MORNING WITH PROBABLY HAVE A BETTER CHC AT
REACHING MINOR TIDAL FLOODING LEVELS.
WE HAVE LOOKED AT THE FCST DEPARTURES ALONG THE COASTAL ATLANTIC AND
THE DELAWARE BAY/RIVER. AT THIS TIME IS DOES NOT APPEAR THAT ANY
MINOR TIDAL FLOODING LEVELS WILL BE REACHED IN THESE AREAS...BUT WE
WILL CONTINUE TO MONITOR...SINCE SOMETIMES THE LEVELS SHOOT UP
QUICKLY IN A STRONG SOUTH WIND.
OUTLOOK...
AFTER THE THREAT OF MINOR TIDAL FLOODING AS PASSED THERE COULD BE
SOME ISSUES WITH BLOW-OUT TIDES ON FRIDAY. STRONG WEST-NORTHWEST
WINDS COULD PUSH WATER LEVELS TO AROUND -1.5 TO -2.0 IN SOME
SPOTS. THE STRONG SOUTHERLY FLOW CURRENTLY TAKING PLACE ACROSS OUR
WATERS IS ALLOWING FOR A MASS TRANSPORT OF THE SURFACE WATER 90
DEGREES TO THE RIGHT...OUT TO SEA...AT LEAST IN THEORY.
GUIDANCE HAS BEEN SHOWING THE POTENTIAL FOR BLOW-OUTS FOR A FEW
DAYS NOW BUT IT IS NOT A DEFINITE SCENARIO. THE ADDED FRESH WATER
FROM THE OVERNIGHT RAINS ON WEDNESDAY AND THURSDAY COULD HELP TO
INHIBIT BLOW-OUT FROM OCCURRING.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...FLASH FLOOD WATCH UNTIL 6 AM EST THURSDAY FOR PAZ054-055-
060>062-070-071-101>106.
WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR PAZ054-055-060>062-
070-071-101>106.
NJ...FLASH FLOOD WATCH UNTIL 6 AM EST THURSDAY FOR NJZ001-007>010-
012-015.
WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR NJZ001-007>010-015.
HIGH WIND WARNING UNTIL 5 AM EST THURSDAY FOR NJZ012>014-
016>027.
DE...FLASH FLOOD WATCH UNTIL 6 AM EST THURSDAY FOR DEZ001.
WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR DEZ001.
HIGH WIND WARNING UNTIL 5 AM EST THURSDAY FOR DEZ002>004.
MD...FLASH FLOOD WATCH UNTIL 6 AM EST THURSDAY FOR MDZ008.
COASTAL FLOOD ADVISORY FROM 2 AM TO NOON EST THURSDAY FOR
MDZ008-012-015-019-020.
WIND ADVISORY UNTIL 3 AM EST THURSDAY FOR MDZ008-012-015-019-
020.
MARINE...GALE WARNING UNTIL 7 PM EST THURSDAY FOR ANZ430-431-450>455.
&&
SYNOPSIS...GORSE/HEAVENER
NEAR TERM...DRAG/O'HARA 1103
SHORT TERM...IOVINO
LONG TERM...HEAVENER
AVIATION...DRAG/IOVINO/HEAVENER 1103
MARINE...DRAG/IOVINO/HEAVENER
HYDROLOGY...1103
TIDES/COASTAL FLOODING...Hazardous weather outlook, Jan 30, 10:25 PM EST, 4 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1025 PM EST WED JAN 30 2013
DEZ001-NJZ001-007>010-015-PAZ054-055-060>062-070-071-101>106-010330-
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MERCER-CARBON-
MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
1025 PM EST WED JAN 30 2013
...WIND ADVISORY IN EFFECT UNTIL 4 AM EST THURSDAY...
...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...CENTRAL
NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...EAST
CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST
PENNSYLVANIA.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLASH FLOOD WATCH.
WIND ADVISORY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
WEST-NORTHWEST WINDS ARE ANTICIPATED TO GUST TO AROUND 45 MPH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
DEZ002>004-NJZ013-014-016>027-010330-
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
1025 PM EST WED JAN 30 2013
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
HIGH WIND WARNING.
SCATTERED BRIEFLY HEAVY SHOWERS SHOULD RACE NORTHEASTWARD ACROSS
THE AREA TONIGHT. A SQUALL LINE SHOULD MOVE EAST JUST AHEAD OF A
COLD FRONT LATE TONIGHT. THE RESULTANT RAINFALL SHOULD CAUSE
BRIEF POOR DRAINAGE STREET FLOODING AND FORCE SLOWER TRAVEL.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
WEST-NORTHWEST WINDS ARE ANTICIPATED TO GUST TO AROUND 45 MPH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
MDZ012-015-019-020-010330-
KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
1025 PM EST WED JAN 30 2013
...WIND ADVISORY IN EFFECT UNTIL 3 AM EST THURSDAY...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 2 AM TO NOON EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
WIND ADVISORY.
COASTAL FLOOD ADVISORY.
SCATTERED BRIEFLY HEAVY SHOWERS SHOULD RACE NORTHEASTWARD ACROSS
THE AREA TONIGHT. A SQUALL LINE SHOULD MOVE EAST JUST AHEAD OF A
COLD FRONT LATE TONIGHT. THE RESULTANT RAINFALL SHOULD CAUSE
BRIEF POOR DRAINAGE STREET FLOODING AND FORCE SLOWER TRAVEL.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
COASTAL FLOOD ADVISORY.
WEST-NORTHWEST WINDS ARE ANTICIPATED TO GUST TO AROUND 45 MPH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
NJZ012-010330-
MIDDLESEX-
1025 PM EST WED JAN 30 2013
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM EST THURSDAY...
...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW JERSEY.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
HIGH WIND WARNING.
FLASH FLOOD WATCH.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
WEST-NORTHWEST WINDS ARE ANTICIPATED TO GUST TO AROUND 45 MPH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
MDZ008-010330-
CECIL-
1025 PM EST WED JAN 30 2013
...WIND ADVISORY IN EFFECT UNTIL 3 AM EST THURSDAY...
...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EST THURSDAY...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 2 AM TO NOON EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLASH FLOOD WATCH.
WIND ADVISORY.
COASTAL FLOOD ADVISORY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
COASTAL FLOOD ADVISORY.
WEST-NORTHWEST WINDS ARE ANTICIPATED TO GUST TO AROUND 45 MPH
THURSDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
ANZ430-431-450>455-010330-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
1025 PM EST WED JAN 30 2013
...GALE WARNING IN EFFECT UNTIL 7 PM EST THURSDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
GALE WARNING.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
GALE WARNING.
THERE IS A CHANCE OF BLOWOUT TIDES THURSDAY AND FRIDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jan 31, 12:42 AM EST, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1242 AM EST THU JAN 31 2013
NJZ013-014-017>027-310745-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-CUMBERLAND NJ-EASTERN MONMOUTH
NJ-GLOUCESTER NJ-NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SOUTHEASTERN
BURLINGTON NJ-WESTERN MONMOUTH NJ-
1242 AM EST THU JAN 31 2013
...SCATTERED SHOWERS AND ISOLATED WITH STRONG WIND GUSTS WILL AFFECT
CAMDEN...GLOUCESTER...BURLINGTON...CAPE MAY...MONMOUTH...ATLANTIC...
OCEAN AND CUMBERLAND COUNTIES...
AT 1239 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITH STRONG WIND GUSTS
15 MILES NORTH OF ATLANTIC CITY...MOVING NORTHEAST AT 45 MPH. THE
SHOWER WILL BE NEAR PENN STATE FOREST...PENN STATE FOREST...SHIP
BOTTOM...NORTH BEACH HAVEN AROUND 1250 AM...WARREN GROVE...
BROOKVILLE...OCEAN ACRES...CHATSWORTH AROUND 1255 AM...OLD HALFWAY
AND WARETOWN AROUND 100 AM.
DAMAGING WIND GUSTS TO 60 MPH ARE POSSIBLE WITH THE SHOWERS AND
ISOLATED THUNDERSTORMS.
LAT...LON 3975 7409 3941 7434 3924 7461 3899 7478
3893 7489 3896 7498 3916 7490 3921 7505
3917 7514 3927 7525 4046 7422 4046 7412
4042 7401 4047 7403 4048 7400 4030 7396
HAYESSpecial weather statement, Jan 31, 12:50 AM EST, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1250 AM EST THU JAN 31 2013
DEZ002>004-310900-
KENT-INLAND SUSSEX-DELAWARE BEACHES-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH
1250 AM EST THU JAN 31 2013
...DAMAGING WIND GUSTS POSSIBLE IN CENTRAL AND SOUTHERN DELAWARE
EARLY THIS MORNING...
LOOK FOR SOUTHERLY WINDS TO GUST TO 60 MPH AT TIMES ACROSS CENTRAL
AND SOUTHERN DELAWARE THROUGH 400 AM. THE HIGHEST WIND GUSTS ARE
EXPECTED NEAR THE SHORES OF THE OCEAN AND DELAWARE BAY.
WIND GUSTS THIS STRONG MAY RESULT IN DOWNED SMALL TREES AND TREE
LIMBS...WHICH COULD IN TURN CAUSE POWER OUTAGES. IN ADDITION...
DEBRIS CAN BECOME PROJECTILES WITH STRONG WIND GUSTS. HIGH PROFILE
VEHICLES MAY BE BUFFETED BY THE STRONG WINDS.
HAYES
Special weather statement, Jan 31, 12:57 AM EST, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1257 AM EST THU JAN 31 2013
DEZ001-MDZ008-012-015-019-020-310800-
CAROLINE MD-CECIL MD-KENT MD-NEW CASTLE DE-QUEEN ANNE'S MD-TALBOT MD-
1257 AM EST THU JAN 31 2013
...SHOWERS AND ISOLATED THUNDERSTORMS WITH STRONG WIND GUSTS WILL
AFFECT NORTHEAST MARYLAND AND NORTHERN DELAWARE EARLY THIS MORNING...
AT 1254 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND ISOLATED THUNDERSTORMS WITH STRONG WIND GUSTS ALONG A
LINE EXTENDING FROM 11 MILES SOUTHEAST OF NEW HOLLAND TO 3 MILES
SOUTHEAST OF BEL AIR TO 3 MILES SOUTHEAST OF CROFTON...MOVING
NORTHEAST AT 50 MPH. THE SHOWERS AND ISOLATED THUNDERSTORM WILL BE
NEAR RICHARDSMERE...RICHARDSMERE...OCTORARO...OCTORARO AROUND 100
AM...PORT DEPOSIT...WEST NOTTINGHAM...WEST NOTTINGHAM...RISING SUN
AROUND 115 AM...FARMINGTON AND FARMINGTON AROUND 120 AM.
WIND GUSTS TO 55 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 3871 7632 3866 7634 3876 7640 3887 7626
3881 7621 3882 7620 3894 7624 3883 7637
3904 7633 3900 7618 3914 7629 3926 7623
3943 7600 3970 7621 3979 7561 3929 7565
3929 7576 3864 7571 3869 7590 3857 7604
HAYESSpecial weather statement, Jan 31, 1:34 AM EST, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
134 AM EST THU JAN 31 2013
DEZ001-NJZ001-008>010-012-013-015>019-021-PAZ070-071-104>106-310830-
CAMDEN NJ-CUMBERLAND NJ-DELAWARE PA-EASTERN MONTGOMERY PA-
GLOUCESTER NJ-HUNTERDON NJ-LOWER BUCKS PA-MERCER NJ-MIDDLESEX NJ-
MORRIS NJ-NEW CASTLE DE-NORTHWESTERN BURLINGTON NJ-PHILADELPHIA PA-
SALEM NJ-SOMERSET NJ-SUSSEX NJ-UPPER BUCKS PA-WESTERN MONMOUTH NJ-
134 AM EST THU JAN 31 2013
...AN AREA OF SHOWERS AND ISOLATED THUNDERSTORMS PRODUCING HEAVY
STRONG WIND GUSTS WILL AFFECT SOUTHWEST...CENTRAL AND NORTH
CENTRAL NEW JERSEY EARLY THIS MORNING...
AT 131 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS AND ISOLATED THUNDERSTORMS PRODUCING STRONG WIND
GUSTS 4 MILES SOUTH OF GLOUCESTER CITY...MOVING NORTHEAST AT 50 MPH.
THE SHOWER WILL BE NEAR HADDONFIELD...COLLINGSWOOD...
MERCHANTVILLE... CHERRY HILL AROUND 140 AM...MAPLE
SHADE...MOORESTOWN-LENOLA... CINNAMINSON...RIVERTON AROUND 145
AM...RIVERSIDE AND DELANCO AROUND 150 AM.
WIND GUSTS TO 55 MPH ARE POSSIBLE WITH THE SHOWERS AND ISOLATED
STORMS.
LAT...LON 4050 7426 4046 7423 3987 7472 3982 7480
3977 7480 3926 7521 3950 7558 3965 7556
3963 7559 3976 7563 4122 7445 4119 7437
4105 7449 4101 7430 4092 7427 4090 7433
4067 7445 4067 7439 4060 7444 4060 7421
HAYESSpecial weather statement, Jan 31, 2:12 AM EST, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
212 AM EST THU JAN 31 2013
DEZ001>004-NJZ021>025-310815-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-CUMBERLAND NJ-DELAWARE BEACHES DE-
INLAND SUSSEX DE-KENT DE-NEW CASTLE DE-
212 AM EST THU JAN 31 2013
...STRONG THUNDERSTORMS WILL AFFECT ATLANTIC...CAPE MAY...
CUMBERLAND...KENT...NEW CASTLE AND SUSSEX COUNTIES...
AT 209 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 16 MILES SOUTHEAST
OF ABERDEEN TO 10 MILES SOUTH OF COVE POINT...MOVING EAST AT 45 MPH.
THE THUNDERSTORMS WILL BE NEAR TOWNSEND...KENTON AROUND 230 AM...
WYOMING...WOODSIDE AROUND 245 AM...WOODSIDE EAST...SEAFORD AROUND 300
AM...FORTESQUE AND SLAUGHTER BEACH AROUND 315 AM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
WIND GUSTS TO 55 MPH ARE POSSIBLE WITH THESE STORMS.
LAT...LON 3846 7570 3932 7577 3943 7574 3943 7555
3932 7543 3922 7539 3929 7530 3938 7542
3944 7541 3948 7430 3937 7440 3924 7461
3900 7478 3881 7508 3844 7505
HAYESSpecial weather statement, Jan 31, 2:20 AM EST, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
220 AM EST THU JAN 31 2013
NJZ001-007-009-PAZ054-055-060>062-070-101>105-310815-
BERKS PA-CARBON PA-DELAWARE PA-EASTERN CHESTER PA-
EASTERN MONTGOMERY PA-HUNTERDON NJ-LEHIGH PA-MONROE PA-NORTHAMPTON
PA-SUSSEX NJ-UPPER BUCKS PA-WARREN NJ-WESTERN CHESTER PA-WESTERN
MONTGOMERY PA-
220 AM EST THU JAN 31 2013
...STRONG THUNDERSTORMS WILL AFFECT BERKS...BUCKS...CARBON...
CHESTER...DELAWARE...HUNTERDON...LEHIGH...MONROE...MONTGOMERY...
NORTHAMPTON...SUSSEX AND WARREN COUNTIES...
AT 218 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES SOUTHWEST
OF ALLENTOWN TO 16 MILES NORTH OF ABERDEEN...MOVING NORTHEAST AT 45
MPH. THE THUNDERSTORMS WILL BE NEAR MACUNGIE...EMMAUS AROUND 230
AM...LEHIGH UNIVERSITY...FOUNTAIN HILL AROUND 245 AM...ALPHA...ALPHA
AROUND 300 AM...HAMPTON AND HAMPTON AROUND 315 AM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS.
LAT...LON 4126 7452 3984 7557 3979 7572 3975 7609
3988 7600 4010 7595 4014 7589 4017 7592
4100 7556 4113 7506 4109 7501 4117 7490
HAYESFlood, Bucks
- When
- January 31, 2:30 AM EST to 5:49 AM EST
- Where
- Bucks County, 1.74 mi ESE of Keelersville to 1.35 mi ENE of Brick Tavern
- Cause
- Heavy Rain
- Reported by
- Trained Spotter
- Coordinates
- 40.408, -75.221
The heavy rain concentrated the flooding in Upper Bucks County. In East Rockhill Township, flooding along the Threemile Run closed the intersection of Stone Edge and Threemile Run Road. In Sellersville, flooding along the East Branch of the Perkiomen Creek forced the closure of the intersection of Main and Walnut Streets. In Quakertown, creek flooding affected Ninth and Main Streets and West End Boulevard. The East Branch of the Perkiomen Creek at Dublin was above its 5 foot flood stage from 421 a.m. EST through 549 a.m. EST on the 31st. It crested at 5.23 feet at 445 a.m. EST. Event precipitation totals included 2.64 inches in Pennsburg, 2.33 inches in Springtown, 1.79 inches in Perkasie, 1.53 inches in Doylestown and 1.14 inches in Langhorne.
Flood, Montgomery
- When
- January 31, 2:52 AM EST to 6:28 PM EST
- Where
- Montgomery County, East Greenville to 1.53 mi SW of Palm
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 40.420, -75.500
The Schuylkill River at Norristown was above its 13 foot flood stage from 820 a.m. EST through 628 p.m. EST on the 31st. It crested at 13.99 feet at 130 p.m. EST. The East Branch of the Perkiomen Creek at Schwenksville had moderate flooding and was above its 7 foot flood stage from 440 a.m. EST through 103 p.m. EST on the 31st. It crested at 9.38 feet at 1030 a.m. EST. The Main Stem of the Perkiomen Creek at East Greenville was above its 4 foot flood stage from 252 a.m. EST through 955 a.m. EST on the 31st. It crested at 5.28 feet at 730 a.m. EST. Farther downstream, the Perkiomen Creek at Graterford was above its 11 foot flood stage from 513 a.m. EST through 131 p.m. EST on the 31st. It crested at 12.49 feet at 815 a.m. EST. The Wissahickon Creek at Fort Washington was above its 9 foot flood stage from 547 a.m. EST through 759 a.m. EST on the 21st. It crested at 9.58 feet at 645 a.m. EST. Event precipitation totals included 2.75 inches in Perkiomenville, 2.64 inches in Green Lane, 2.44 inches in Pottstown, 2.43 inches in Frederick, 2.37 inches in East Greenville, 2.09 inches in Gilbertsville, 1.62 inches in West Norriton, 1.60 inches in Blue Bell and 1.56 inches in Collegeville.
Flood, Chester
- When
- January 31, 2:53 AM EST to 5:15 PM EST
- Where
- Chester County, 1.89 mi NNE of Compass to 0.71 mi E of Red Lion
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 40.054, -75.914
The West Branch of the Brandywine Creek at Honey Brook was above its 7 foot flood stage from 253 a.m. EST through 1017 a.m. EST on the 31st. It crested at 8.93 feet at 6 a.m. EST. The main stem of the Brandywine Creek at Chadds Ford was above its 9 foot flood stage from 1231 p.m. EST through 515 p.m. EST on the 31st. It crested at 9.20 feet at 219 p.m. EST. The Valley Creek at Valley Forge was above its 7 foot flood stage from 355 a.m. EST through 409 a.m. EST on the 31st. It crested at 7.10 feet at 400 a.m. EST. The French Creek at Phoenixville was above its 8 foot flood stage from 402 a.m. EST through 115 p.m. EST on the 31st. It crested at 8.59 feet at 830 a.m. EST.
Event precipitation totals included 2.75 inches in Honey Brook, 2.23 inches in Glenmoore, 1.93 inches in Malvern, 1.62 inches in Nottingham and West Chester and 1.61 inches in Devon.
Flood, Berks
- When
- January 31, 3:18 AM EST to 12:25 PM EST
- Where
- Berks County, 0.21 mi N of Yellow House to 0.85 mi ENE of Earlville
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 40.323, -75.750
The Manatawny Creek near Spangsville had moderate flooding and was above its 6 foot flood stage from 318 a.m. EST through 1225 p.m. EST on the 31st. It crested at 7.43 feet at 715 a.m. EST. Event precipitation totals included 2.93 inches in Mohnton, 2.79 inches in Reading, 2.62 inches in Boyertown, 2.26 inches in Kutzville and 2.12 inches in Berne.
Flood, Delaware
- When
- January 31, 6:16 AM EST to 5:15 PM EST
- Where
- Delaware County, 2.9 mi W of Florida Park to 1.19 mi NW of Chadds Ford
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 39.987, -75.484
The Brandywine Creek at Chadds Ford was above its 9 foot flood stage from 1231 p.m. EST through 515 p.m. EST on the 31st. It crested at 9.20 feet at 219 p.m. EST. The Crum Creek at Newtown Square was above its 6 foot flood stage from 616 a.m. EST through 745 a.m. EST on the 31st. It crested at 6.28 feet at 700 a.m. EST. Event precipitation totals included 1.37 inches in Aston.
Flood, Philadelphia
- When
- January 31, 9:45 AM EST to 12:19 PM EST
- Where
- Philadelphia County, 1.61 mi ESE of Manayunk to 1.12 mi W of Germantown
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 40.010, -75.202
The Wissahickon Creek at its mouth was above its 5 foot flood stage from 945 a.m. EST through 1219 p.m. EST on the 31st. It crested at 5.23 feet at 1115 a.m. EST. Event precipitation totals included 1.28 inches in Wyndmoor, 1.18 inches in Rockledge and 0.94 inches at the Philadelphia International Airport. Heavier rain fell in upstream areas of the Wissahickon Basin in Montgomery County.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Winter Weather in Indiana, January 31, 201310 injured · $400,000 · 1 event
- High Wind and Strong Wind in Massachusetts, January 31, 2013$630,000 · 70 kt wind · 17 events
- Flooding in Virginia, January 31, 2013$760,000 · 6 events
- High Wind in New Jersey, January 31, 2013$331,000 · 51 kt wind · 7 events
- Flood and High Wind in New York, January 31, 2013$251,000 · 61 kt wind · 10 events
- High Wind in New York, January 31, 2013$150,000 · 55 kt wind · 13 events
- Debris Flow in Washington, January 31, 2013$250,000 · 1 event
- High Wind in Connecticut, January 31, 2013$180,000 · 68 kt wind · 6 events
- Damaging Winds in Virginia, January 31, 20132 injured · $59,000 · 65 kt wind · 8 events
- High Wind and Strong Wind in New York, January 31, 2013$90,000 · 50 kt wind · 9 events
- Damaging Winds in North Carolina, January 31, 2013$53,000 · 60 kt wind · 17 events
- High Wind in Connecticut, January 31, 2013$70,000 · 52 kt wind · 3 events
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: 432035, 432034, 432031, 432030, 432038, 432032.