Severe Thunderstorm Warning 58, NWS Philadelphia/Mount Holly

PAZ012-NJZ002-182345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA
600 PM EDT THU OCT 18 1990

...THUNDERSTORMS WITH HEAVY RAINS MOVING THROUGH CHESTER COUNTY...
...TORNADO WATCH CONTINUES FOR EXTREME SOUTHERN NEW JERSEY UNTIL 9PM...

AT 555 PM THIS EVENING...THUNDERSTORMS WITH HEAVY RAINS WERE MOVING
ACROSS CHESTER COUNTY. AT 552 PM...A SPOTTER REPORT FROM OXFORD
PENNSYLVANIA...IN SOUTHWESTERN CHESTER COUNTY...REPORTED WIND GUSTS IN
EXCESS OF 40 MILES AN HOUR WITH TREE LIMBS DOWNED AND VERY HEAVY RAINS.
STREAMS WERE JUST NOW STARTING TO COME OUT OF THE BANKS.  THESE
THUNDERSTORMS CONTINUE TO MOVE TOWARDS THE NORTH NORTHEAST AT AROUND
45 MILES AN HOUR.

AREAS OF DELAWARE AND PHILADELPHIA COUNTY WILL EXPERIENCE THESE
THUNDESTORMS BETWEEN 600 PM AND 630 PM. EXPECT VERY HEAVY RAINS AND
STRONG GUSTY WINDS.  AFTER 630 PM...THESE THUNDERSTORMS SHOULD MOVE
INTO SOUTHERN NEW JERSEY.

A TORNADO WATCH ALSO CONTINUES FOR SALEM...CUMBERLAND...ATLANTIC...
AND CAPE MAY COUNTIES OF SOUTHERN NEW JERSEY.

A STRONG COLD FRONT MOVING EAST FROM CENTRAL PENNSYLVANIA IS HELPING
TO TRIGGER THE THUNDERSTORMS AND HEAVY RAINS LATE THIS AFTERNOON AND
EVENING. THIS COLD FRONT WILL CONTINUE TO MOVE TO THE EAST AND SHOULD
BE OFF THE NEW JERSEY COAST LATER TONIGHT.

ALL PERSONS...ESPECIALLY IN OR NEAR THE WATCH AREA SHOULD KEEP TUNED
TO NOAA WEATHER RADIO OR THEIR LOCAL TV OR RADIO STATION FOR THE LATEST
ON THIS DEVELOPING SITUATION.  IF YOU HAVE SEVERE WEATHER TO REPORT...
CALL YOUR LOCAL LAW ENFORECEMENT AGENCY WITH YOUR SEVERE WEATHER REPORT
AND ASK THEM TO FORWARD IT TO THE NATIONAL WEATHER SERVICE IN
PHILADELPHIA.

JWH

PAZ011-016- 190000 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALLENTOWN PA
 620PM EDT THU OCT 18 1990

 ...HIGH WINDS...HEAVY RAINS MOVING THOUGH THE LEHIGH VALLEY...

A LINE OF HEAVY SHOWERS AND THUNDERSTORMS PRECEEDING A STRONG COLD
FRONT ARE RAPIDLY MOVING THROUGH THE LEHIGH VALLEY AND THE POCONOS.
JUST BEFORE 6PM A GUST WAS RECORDED FROM THE SOUTHEAST AT 46 MPH AT
THE A-B-E INTERNATIONAL AIRPORT AS HEAVY SHOWERS MOVED THROUGH THE AREA.
PERIODS OF HEAVY RAIN WITH SOME URBAN FLOODING IS POSSBILE UNTIL
THE FRONT MOVES EAST OF THE ALLENTOWN AREA AT AROUND 7PM THIS EVENING.
 WINDS WILL REMAIN GUSTY AS THEY SHIFT INTO THE WEST AND NORTHWEST
AND MUCH COOLER AIR MOVES INTO THE AREA.

LOEPER

DEZ003-002-001-190030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
643 PM EDT THU OCT 18 1990

TORNADO WATCH IN EFFECT FOR DELAWARE UNTIL 9PM EDT THIS EVENING

A LINE OF THUNDERSTORMS...SOME WITH HEAVY RAIN GUSTY WINDS IN EXCESS
OF 50 MPH...POSSIBLE TORNADOES AND HAIL...IS LOCATED FROM SOUTHERN
NEW JERSEY ACROSS THE DELAWARE RIVER INTO SOUTH NEW CASTLE COUNTY OF
DELAWARE THEN SOUTHWEST TO SOUTHERN VIRGINIA. THIS LINE IS MOVING
SOUTHEAST AT ABOUT 25 MPH.
AT THIS TIME THE STORMS WITH THE HEAVIST RAINFALL ARE LOCATED IN NORTHWEST
KENT COUNTY AND AN ISOLATED STORM IN NORTHWEST SUSSEX COUNTY.
THESE STORMS ARE CAPABLE OF PRODUCILNG VERY HEAVY RAIN WITH LOCAL
STREET AND HIGHWAY FLOODING WIND GUST TO 50 MPH OR MORE DANGEROUS
LIGHTNING...TORNADOES AND HAIL ARE ALSO POSSIBLE IN THESE STORMS.
THESE STORMS HAVE DECREASING IN THE AREA OF COVERAGE DURING THE PAST
HOUR.
MOTORIST SHOULD USE EXTREME CAUTION IN ANY STORMS AND BOATER SHOULD
STAY IN PORT UNTIL THE STORMS HAVE ENDED.
CKD

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
645 PM EDT THU OCT 18 1990

...A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES...
ATLANTIC...CAPE MAY...CUMBERLAND AND SALEM...UNTIL 900 PM EDT...

AT 630 PM EDT...WEATHER SERVICE RADAR IN ATLANTIC CITY INDICATED A LINE
OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM 15 MILES SOUTHEAST OF ALLENTOWN
PENNSYLVNIA SOUTH TO WILMINGTON DELAWARE AND THEN SOUTHWEST TO BALTIMORE
MARYLAND. VERY HEAVY RAIN AND WINDS GUSTS OF 45 MILES AN HOUR WERE REPORTED
IN PHILADELPHIA WITH THE PASSAGE OF THIS LINE.

MOVEMENT OF THE LINE WAS EAST AT 45 MILES AN HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER ALL OF NEW JERSEY...
EASTERN PENNSYLVANIA...DELAWARE AND NORTHEAST MARYLAND.

MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS NORTHEAST AT 40 MILES AN HOUR.

PAZ012-NJZ002>004-006-190045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA
700 PM EDT THU OCT 18 1990

...SMALL STREAM AND URBAN FLOOD WARNINGS FOR CHESTER...MONTGOMERY...
BUCKS...DELAWARE AND PHILADELPHIA COUNTIES OF PENNSYLVANIA UNTIL 8PM...
...SMALL STREAM AND URBAN FLOOD WARNINGS FOR MERCER...BURLINGTON...
CAMDEN...GLOUCESTER...AND SALEM COUNTIES OF NEW JERSEY UNTIL 845 PM...
...TORNADO WATCH CONTINUES FOR SALEM...CUMBERLAND...ATLANTIC...AND
CAPE MAY COUNTIES OF SOUTHERN NEW JERSEY UNTIL 9PM...

THUNDERSTORMS...WITH HEAVY RAINS AND FLOODING...ARE MOVING ACROSS THE
AREA THIS EVENING. IN ADDITION...WINDS HAVE GUSTED AS HIGH AS 55 MILES
AN HOUR AT PHILADELPHIA INTERNATIONAL AIRPORT AT 630 THIS EVENING.
ALSO...REPORTS FROM SPOTTERS IN CAMDEN AND GLOUCESTER COUNTIES OF
SOUTHERN NEW JERSEY AND NORTHEAST PHILADELPHIA REPORTED WIND GUSTS
BETWEEN 50 AND 60 MILES AN HOUR WITH SMALL LIMBS AND WIRES DOWN.

WITH LEAVE CLOGGED SEWERS...THE HEAVY RAINS WILL CAUSE WATER TO
ACCUMULATE IN STREETS AND WITH THE RAPID RUNOFF...STREAMS CAN COME
OUT OF THE BANKS RAPIDLY. ONCE THE HEAVY RAINS MOVE ON...STREETS
WILL SLOWLY DRAIN...AND ANY STREAMS WILL RECEDE BACK INTO THE
BANKS.

A STRONG COLD FRONT MOVING EAST THE AREA THIS EVENING IS HELPING
TO TRIGGER THE THUNDERSTORMS AND HEAVY RAINS THIS EVENING.  THIS
COLD FORNT WILL MOVE OFF THE NEW JERSEY COAST LATER TONIGHT.

ALL PERSONS...ESPECIALLY IN OR NEAR THE WATCH AREA SHOULD KEEP TUNED
TO NOAA WEATHER RADIO OR THEIR LOCAL TV OR RADIO STATION FOR THE LATEST
ON THIS DEVELOPING SITUATION.  IF YOU ARE IN AN AREA SUBJECT TO FLOODING
MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH FLOOD WATERS. CLIMBING ATOP
YOUR STALLED VEHICLE WILL NOT PREVENT YOU FROM BEING SWEPT INTO
DANGEROUS STREAM CONDITIONS AS WATER LEVELS RISE. IF YOU HAVE SEVERE
WEATHER TO REPORT...CALL YOUR LOCAL LAW ENFORECEMENT AGENCY WITH YOUR
SEVERE WEATHER REPORT AND ASK THEM TO FORWARD IT TO THE NATIONAL WEATHER
SERVICE IN PHILADELPHIA.

JWH

PAZ011-016- 190200 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALLENTOWN PA
715 PM EDT THU OCT 18 1990

 ...HIGH WINDS...HEAVY RAINS MOVING INTO NEW JERSEY...

A STRONG COLD FRONT PRECEEDED BY HEAVY RAINS AND HIGH WINDS HAS PASSED
EAST OF THE LEHIGH VALLEY INTO NEW JERSEY. JUST PRIOR TO THE COLD FRONTAL
PASSAGE GUSTY WINDS FROM THE SOUTHEAST REACHED NEAR 50 MPH IN MOST SECTIONS
OF THE LEHIGH VALLEY. NORTHAMPTON COUNTY EMERGENCY MANAGEMENT REPORTED TREES
DOWN ALONG BLUE MOUTAIN DRIVE IN NORTHWESTERN NORTHAMPTON COUNTY. WIND
DAMAGE WAS ALSO REPORTED ALONG OLD RT. 22 ALONG THE LEHIGH-BERKS COUNTY
LINE. A PEAK WIND OF 46 MPH WAS RECORDED AT THE A-B-E AIRPORT JUST BEFORE
6PM THIS EVENING. HEAVY RAINS ALSO ACCOMPANIED THE FRONTAL PASSAGE. 1.85
INCHES FELL IN A ONE HOUR PERIOD AT PINE GROVE...SCHUYLKILL COUNTY...BETWEEN
4 AND 5PM THIS AFTERNOON. PORTIONS OF NORTHERN CARBON AND CENTRAL MONROE
COUNTY RECORDED JUST OVER 2 INCHES BETWEEN 3 AND 7PM.
 AS COOLER, DRIER AIR MOVES INTO OUR AREA THE RAINS WILL TAPER OFF TO
LIGHT SHOWERS AND END BY 9PM.
LOEPER