Flood, Gloucester
- When
- June 21, 2:30 PM EST to 5:00 PM EST
- Where
- Gloucester County, Harrisonville
- Reported by
- NEWSPAPER
- Coordinates
- 39.717, -75.142 (the zone’s center; the record gives no point)
Flash Flood and Flood in New Jersey, June 21, 2001
The same thunderstorms that initially brought severe weather to southwestern Gloucester County and northeastern Salem County moved so slowly that they also caused flooding in both counties. The hardest hit locations were along the State Route 45 corridor in both counties.
Where it happened
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
What happened
The episode as NWS PHI wrote it up.
The same thunderstorms that initially brought severe weather to southwestern Gloucester County and northeastern Salem County moved so slowly that they also caused flooding in both counties. The hardest hit locations were along the State Route 45 corridor in both counties. In Gloucester County, the worst flooding occurred in East Greenwich Township, South Harrison Township, Swedesboro Borough and Woolwich Township. Sections of State Route 45 were washed out in South Harrison Township. Doppler Radar Storm total estimates reached between 3 and 4 inches. In Salem County, the worst flooding occurred in Pilesgrove Township, Upper Pittsgrove Township and Woodstown Borough. Doppler Radar Storm Total estimates ranged between 2 and 4 inches. Flooding occurred along several creeks including the Salem Creek and tributaries to Oldmans Creek. State Route 45 took the brunt of the damage also. Creek flooding caused the state route to buckle and wash out in several locations. One lane of County Route 617 was also washed away. All roads were repaired and reopened on the 22nd.
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 Jun 21, 10:15 AM EST, 4 hours 15 minutes earlier.
Area forecast discussion, Jun 21, 10:15 AM EST, 4 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1115 AM EDT THU JUN 21 2001 SENT A QUICK UPDATE TO CLEAN UP AFTERNOON WORDING AND BUMP UP TEMPS ACROSS SOUTHERN ZONES. RK --------------------------------------------------------------------- WELCOME TO SUMMER AND IT WILL FEEL LIKE SUMMER OVER THE NEXT COUPLE OF DAYS WITH THE PTNL FOR SOME MORE HVY DOWNPOURS UNFORTUNATELY. NGM WAS CORRECT LAST NGT IN FCSTG THE FTHR S MOVEMENT OF THE FNTL BOUNDARY WHICH IS NOW FCSTD TO LINGER ACRS OUR CWA B4 LIFTING NWD FRI AFTN AND NGT. OTRWISE THE MDLS ARE MUCH SLOR AND FTHR W WITH THE 2ND CDFNT THAN THEY WERE WITH LAST NGT/S RUN. ONE FEAT THAT HAS BEEN CONSISTENT WITH DVLPG A LLJ ACRS OUR NERN ZNS LT TAFTN. THIS COULD BE THE FIRST SHOT OF HVY RAIN. THE 2ND SHOT AT HEAVY RAIN SHOULD COME WITH THE SLOWLY MOVG CDFNT ITSELF LT FRI INTO SAT MRNG. SUBJECT TO CHG...BUT THIS FAR OUT IT LOOKS IMPRESSIVE GIVEN THE STG TROF FCSTD FOR LATE JUN AND CWA IN ENTRANCE RGN OF H2.5 JET ALF. FOR TDY...UPSTREAM SOUNDGS ARE PRETTY MOIST AND FCSTD PWATS OF ARND 1.75 DO NOT LOOK OUTRAGEOUS. FCSTD WIND FIELDS WILL BE WEAK...BUT WILL SHOW FRBL VEERING FOR TSRA WITH HVY RAIN. ETA IS OVERDOING LLVL MSTR AGAIN WITH FCSTD TD/S IN THE LO-MID 70S. NEVERTHELESS IT WILL TAKE LESS ENERGY TDY TO REACH THE CONVECTIVE TEMPS AND SHRA/TSRA SHLD REDEVELOP TAFTN IN WRM SECTOR S OF THE BNDRY AND MOVE NWD. IF THE ETA IS RIGHT...SOME DYNAMIC HELP WILL COME ACRS OUR NWRN ZNS AS LLJ INTENSIFIES LTR TDY. WE WILL CONT LIKELY WORDG ACRS THE NRN 2/3RDS OF OUR CWA AND LEAVE CHC POPS FTHR TO THE S. WE WILL ISSUE AN ESF ABT THE PTNL FOR HVY RAIN WITH THE TSRA/S LT THIS AFTN. ISOLATED AMTS OF 2-3 NOT ABSURD GIVEN JUICY AIR MASS. HOPEFULLY NOT OVER THE SAME LOCNS THAT WERE HAMMERED THIS WEEKEND. DAYSHIFT CAN REACCESS THE SITU AND ISSUE A FFA IF NEEDED WELL B4 THE THREAT OF HVY PCPN. GIVEN FCST OF LLJ WOULD THINK GREATEST THREAT FOR HVY RAIN WOULD BE TWD THE POCONOS. HOPE DECAYING CONVECTION WILL FINALLY DISPT ERLY THIS MRNG TO MAKE THE WORDING CLEANER. AS FAR AS SEVERE PTNL IS CONCERNED...FCSTD WIND FIELDS APR TOO WEAK FOR ORGANIZED SVR WX. CWA FAR REMOVED FROM STGR WINDS ALF AND HIEST CAPES (S) ARE REMOVED FROM STGST HEL (NE). COULD THERE BE ONE OR TWO SVR PULSERS LIKE YDA...PSBLY IN THE DELMARVA...BUT AGREE WITH SPC/S ACCESSMENT OF REMOVING US FROM SLGT RISK ATTM. WILL BE GOING WITH GUID TEMPS TDY AS CLDS SHLD KEEP TEMPS DOWN...ESP IN NRN HALF OF OUR CWA. AS LLJ LIFTS INTO NY STA THIS EVE...THREAT OF ORGANIZED HVY PCPN SHLD DIMINISH AND WE/LL EMPHASIZE ERLY PART OF NGT FOR GREATEST THREAT. PRFR SLGTLY WETTER AVN MAV POPS OVR THE NESTED. GUID MINS REASONABLE. SECOND AND PBLY GREATER SHOT AT HVY RAIN WILL THEN COME LTR FRIDAY INTO SAT MRNG AS CDFNT APCHS CWA. STAB INDICES SUGG WE MIGHT STAY BLO SVR THRESHOLD ON FRI AS LAPSE RATES RMN WK AND TTS IN THE MID 40S. MIGHT HAVE TO HAVE A CLSR LOOK AT THIS TMRW AS CWA MIGHT HAVE A CHC TO BREAK OUT INTO THE WRM SECTOR AND THE STGR WIND FIELD WILL BE APCHG THE RGN. ATTM WE/LL CONT LIKELY POPS NWRN ZNS/CHC POPS SERN ZNS...EMPHASIZING THE AFTN HRS. PRFR WARMER AVN MOS TEMPS GIVEN WE SHLD GET INTO THE WRM SECTOR. THREAT FOR HVYR PCPN SHOULD PEAK FRI NGT AS CDFNT APCHS AND WK WV DVLPS ON THE FNT. WILL CONT LIKELY POPS. GOING TO LEAVE THE EXTDD PRETTY MUCH AS IS AS THERE HAS BEEN MUCH MDL FLIP-FLOPPING ABT WHETHER THE TROF WILL CLOSE OFF W OF THE CWA SUN/MON. MARINE: VERY QUIET. TU FOR COORD BGM/CTP/HPC/SPC HAVE A GOOD NIGHT .PHI...NONE. TFG
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood, 1 flash flood. Local standard time, as filed.
Flash Flood, Salem
- When
- June 21, 3:00 PM EST to 5:30 PM EST
- Where
- Salem County, Northeast Portion
- Reported by
- NEWSPAPER
- Coordinates
- 39.577, -75.358 (the zone’s center; the record gives no point)
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flood and Hail in Georgia, June 21, 2001
- Flash Flood and Damaging Winds in Pennsylvania, June 21 to 22, 2001
- Lightning Strike in South Carolina, June 21, 2001
- Lightning Strike in Florida, June 21, 2001
- Damaging Wind in West Virginia, June 21, 2001
- Hail and Damaging Winds in Texas, June 21, 2001
- Hail and Lightning Strike in Florida, June 21, 2001
- Damaging Winds in Ohio, June 21, 2001
- Tornado in Florida, June 21, 2001
- Damaging Winds and Lightning Strike in Virginia, June 21, 2001
- Lightning Strike in Florida, June 21, 2001
- Hail and Damaging Winds in Tennessee, June 21, 2001
More
Every storm in New Jersey in 2001Every state in 2001This day in weather historyWarnings in New Jersey, June 2001
Sources
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: 5254068, 5254069.