Alert archive / New Jersey / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 144, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 2, 1998, 7:22 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1998, 7:22 PM EDT (23:22 UTC)
- Expired
- Sep 2, 1998, 7:55 PM EDT
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 86 km from the middle of the area, began a volume at 23:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.4 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1364 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
452 WUUS1 KPHL 022322 RRA SVRPHL NJC027-035-022355- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 722 PM EDT WED SEP 2 1998 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MORRIS COUNTY IN NEW JERSEY SOMERSET COUNTY IN NEW JERSEY * UNTIL 755 PM EDT * AT 719 PM EDT... A LINE OF SEVERE THUNDERSTORMS WAS INDICATED IN SOMERSET AND MORRIS COUNTIES BY NATIONAL WEATHER SERVICE DOPPLER RADAR... MOVING EAST 35 MPH. THESE ARE DANGEROUS STORMS. MOVE INSIDE A STRONG BUILDING AND DO NOT STAND NEAR WINDOWS. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. DO NOT DRIVE YOUR CAR WHERE WATER COVERS THE ROADWAY. THE WATER MAY BE DEEPER THAN YOU THINK. IF CAUGHT IN RISING FLOOD WATERS... ABANDON YOUR CAR QUICKLY AND MOVE TO HIGHER GROUND. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION OUTLET. MD/RPW
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Sep 2, 3:15 PM EDT, 4 hours 7 minutes earlier.
Area forecast discussion, Sep 2, 3:15 PM EDT, 4 hours 7 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 315 PM EDT WED SEP 2 1998 ...WRK ZNS FOR PHL/PIT SENT AT 245 PM ...LEFT SVR TSTM WATCH IN ZONES FOR LOWER/MID SUSQ THIS EVE (FIGURE BY THE TIME THESE ZONES ARE SENT...SVR THREAT WILL HAVE ENDED FOR ALL AREAS TO THE WEST)... ACTIVE COLD FRONT SLIDING ACROSS CENTRAL PA WITH LINE OF SHOWERS AND THUNDERSTORMS ALONG FRONT ATTM. AN ISOL SVR CELL POPED ACROSS N LANCASTER EARLIER PRODUCING 1/2 INCH HAIL. NO SVR YET ALONG LINE. EXPECT ADDITIONAL SVR CELLS TO POP IN THE LOWER/MID SUSQUHANNA WHERE DEWPTS HAVE RISEN INTO THE UPPER 60S AND DECENT SE INFLOW HAS DEVELOPED. WITH THE PASSAGE OF THE FRONT...CLEARING SKIES SHOULD OCCUR AND FOR THOSE AREAS THAT CLEAR COMPLETLY EXPECT SOME PATCHY FOG TO DEVELOP. ANOTHER SHRTWV SLIDES E ACROSS FCST/A ON THU WITH DECENT PV LOBE SHOWING UP AT 3H. RH PROGS SUGGEST COLD AIR STRATO-CU SHOULD HUG THE N TIER COUNTIES. WITH COLD 5H TEMPS AND CYCLONIC FLOW DECIDED TO KEEP SPRINKLES IN FCST ALONG N BORDER. WENT WITH MOSTLY CLOUDY SKIES NORTH/PTLY SUNNY SOUTH. YET ANOTHER SHRTWV TO SLIDE INTO FCST/A FOR LATE THU AND EARLY FRIDAY AS 80+ 3H JET STREAK (LF QUAD) APPROACHES AREA. INTRO 30 POPS AFTER MIDNIGHT FOR MOST AREAS. COLD FRONT TO SLIDE ACROSS REGION ON FRIDAY SO CONTINUED CHC POPS ACROSS FCST/A FOR MUCH OF FRIDAY. .CTP...SEVERE THUNDERSTORM WATCH FOR E CWA UNTIL 8 PM EDT. WINTHER J
In the hours before
Special weather statement, Sep 2, 3:45 PM EDT, 3 hours 37 minutes before
PAZ006-011-012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-022345- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 345 PM EDT WED SEP 2 1998 ...THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF THE CENTRAL AND SOUTHERN MOUNTAINS HAS BEEN CANCELED... THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... TIOGA... NORTHERN LYCOMING... NORTHERN CLINTON... SULLIVAN... POTTER... CENTRE... BLAIR... HUNTINGDON... MIFFLIN... JUNIATA... BEDFORD...FULTON... FRANKLIN... THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 8PM FOR THE FOLLOWING COUNTIES... SOUTHERN CLINTON... SNYDER... UNION...NORTHUMBERLAND... MONTOUR... COLUMBIA... SCHUYLKILL... ... PERRY... DAUPHIN... CUMBERLAND... LEBANON...ADAMS... YORK AND LANCASTER A LINE OF SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT WILL CONTINUE TO MOVE SOUTHEAST ACROSS THE WATCH AREA. SOME OF THE THUNDERSTORMS MAY CAUSE LOCALLY DAMAGING WINDS AND LARGE HAIL. KEEP TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF NATIONAL WEATHER SERVICE INFORMATION VIA THE RADIO OR TELEVISION FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS. TAKE COVER INDOORS...PREFERABLY IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS...IF SEVERE WEATHER IS SIGHTED OR A WARNING IS ISSUED. LA CORTE
Special weather statement, Sep 2, 5:40 PM EDT, 1 hour 42 minutes before
PAZ006-011-012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-022345- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 540 PM EDT WED SEP 2 1998 ...THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF THE MIDDLE SUSQUEHANNA VALLEY HAS BEEN CANCELED... THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES... SOUTHERN CLINTON... SOUTHERN LYCOMING... SNYDER... UNION... NORTHUMBERLAND... MONTOUR... COLUMBIA... AND SCHUYLKILL... THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 8PM FOR THE FOLLOWING COUNTIES... ... PERRY... DAUPHIN... CUMBERLAND... LEBANON...ADAMS... YORK AND LANCASTER A LINE OF SHOWERS AND THUNDERSTORMS AHEAD OF A COLD FRONT WILL CONTINUE TO MOVE SOUTHEAST ACROSS THE WATCH AREA. SOME OF THE THUNDERSTORMS MAY CAUSE LOCALLY DAMAGING WINDS AND LARGE HAIL. IF SEVERE WEATHER IS SIGHTED OR A WARNING IS ISSUED...TAKE COVER INDOORS...PREFERABLY IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF NATIONAL WEATHER SERVICE INFORMATION VIA THE RADIO OR TELEVISION FOR ADDITIONALR UPDATES AND POSSIBLE WARNINGS. LA CORTE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 7:33 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 47 min |
| Sep 2, 7:37 PM EDT | Tornado Warning | PHI | Gloucester | 33 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.