Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 105, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 27, 1994, 6:36 PM EDT for Mercer County, New Jersey. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1994, 6:36 PM EDT (22:36 UTC)
- Expired
- Aug 27, 1994, 7:20 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Mercer County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 10.6 hours before the alert went out and 94 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
- 318 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 272236 RRA SVRPHL NJC021-272320- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 636 PM EDT SAT AUG 27 1994 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 720 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL NEW JERSEY ...MERCER COUNTY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WAS IN SOUTHERN HUNTERDON COUNTY NEAR U.S. ROUTE 202. THIS THUNDERSTORM WAS SINKING SOUTH AT ABOUT 15 MPH AND HAS HAD A HISTORY OF PRODUCING DAMAGING WIND GUSTS...HAIL AND/OR HEAVY DOWNPOURS EARLIER TODAY IN BOTH NORTHAMPTON AND HUNTERDON COUNTIES. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE WARNED AREA...PREPARE FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE SHELTER INDOORS...BUT DO NOT STAND NEAR ^WINDOWS. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.
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.
In the hours before
Special weather statement, Aug 27, 2:49 PM EDT, 3 hours 47 minutes before
PAZ054-055-060>062-067>071-NJZ015>019-272050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ 249 PM EDT SAT AUG 27 1994 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS PENNSYLVANIA... DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE NORTHWEST OF THE POCONOS IN LUZERNE COUNTY. THESE SHOULD BE MOVING ACROSS THE NORTHEAST TIP OF CARBON COUNTY AND INTO MONROE COUNTY DURING THE NEXT HOUR. ANOTHER STRONG THUNDERSTORM WAS IN PROGRESS ACROSS EASTERN CHESTER COUNTY BETWEEN KENNETT SQUARE AND WEST CHESTER. THIS THUNDERSTORM SHOULD MOVE THROUGH RIDLEY CREEK STATE PARK...MEDIA AND BROOKHAVEN...ALL IN DELAWARE COUNTY DURING THE NEXT HOUR. ANOTHER ISOLATED THUNDERSTORM HAS JUST DEVELOPED OVER NORTHEAST LANCASTER COUNTY. THIS SHOULD MOVE INTO WESTERN CHESTER COUNTY NEAR HONEY BROOK BY 315 PM. FARTHER NORTH...A SQUALL LINE OF STRONG TO LOCALLY SEVERE THUNDERSTORMS WAS HEADING ACROSS THE NORTHERN TIER OF PENNSYLVANIA AND SHOULD MOVE INTO THE POCONOS AND LEHIGH VALLEY LATER THIS AFTERNOON AND EVENING. PERSONS SHOULD BE ON THE ALERT FOR THREATENING WEATHER. STRONG GUSTY WINDS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS WILL ACCOMPANY THUNDERSTORMS. PLEASE HEAD INDOORS AT THE FIRST SIGN OF THREATENING WEATHER. GIGI
Special weather statement, Aug 27, 4:07 PM EDT, 2 hours 29 minutes before
PAZ054-055-062-272210-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
407 PM EDT SAT AUG 27 1994
...STRONG THUNDERSTORMS IN CARBON...MONROE...NORTHAMPTON COUNTIES...
AT 4 PM WEATHER SERVICE DOPPLER RADAR SHOWED STRONG
THUNDERSTORMS IN MONROE...EXTREME EASTERN CARBON...AND EXTREME
EASTERN NORTHAMPTON COUNTIES IN PENNSYLVANIA. THESE THUNDERSTORMS
MAY PRODUCE LOCALLY HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL
HAIL.
THE THUNDERSTORMS WERE MOVING SOUTHEAST AROUND 15 MPH AND
WILL AFFECT AREAS OF MONROE...CARBON...AND NORTHAMPTON COUNTIES
UNTIL AFTER 5 PM.
STRONG THUNDERSTORMS WERE ALSO LOCATED IN LUZERNE
COUNTY. THESE THUNDERSTORMS MAY ALSO PRODUCE STRONG GUSTY
WINDS...HEAVY RAIN...AND HAIL AS THEY MOVE TOWARD THE SOUTHEAST.
REMEMBER...ALL THUNDERSTORMS CONTAIN LIGHTNING.
IF THREATENING WEATHER APPROACHES...MOVE INDOORS IF AT ALL
POSSIBLE. STAY AWAY FROM WINDOWS.
SPSpecial weather statement, Aug 27, 5:44 PM EDT, 52 minutes before
PAZ067-272245-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
544 PM EDT SAT AUG 27 1994
...STRONG THUNDERSTORM HEADING FOR SOUTHERN CHESTER COUNTY...
AT 540 PM WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG
THUNDERSTORM IN SOUTHEASTERN LANCASTER COUNTY PENNSYLVANIA.
THIS STORM WAS MOVING TOWARD THE SOUTHEAST AROUND 15 MPH AND
WILL MOVE INTO SOUTHERN CHESTER COUNTY NEAR WEST FALLOWFIELD AND
UPPER OXFORD TOWNSHIPS BEFORE 6 PM. THE STORM WILL THEN CONTINUE
TO MOVE SOUTHEAST THROUGH THE SOUTHERN PART OF CHESTER COUNTY.
THIS THUNDERSTORM MAY PRODUCE LOCALLY HEAVY RAIN...STRONG
GUSTY WINDS...AND SMALL HAIL.
KEEP AN EYE TO THE SKY. IF YOU SEE THUNDERSTORMS APPROACHING...
SEEK SHELTER IMMEDIATELY...PREFERABLY INDOORS. ANY THUNDERSTORM
MAY CONTAIN BRIEF GUSTY WINDS...SMALL HAIL...HEAVY DOWNPOURS...AND
DEADLY LIGHTNING.
SPSpecial weather statement, Aug 27, 5:50 PM EDT, 46 minutes before
PAZ060-272250-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
550 PM EDT SAT AUG 27 1994
...STRONG THUNDERSTORM IN BERKS COUNTY NEAR WOMELSDORF...
AT 545 PM WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG
THUNDERSTORM IN WESTERN BERKS COUNTY NEAR WOMELSDORF. THIS STORM
WAS MOVING TOWARD THE SOUTHEAST AROUND 15 MPH AND WILL CROSS SOUTHERN
BERKS COUNTY BETWEEN NOW AND 7 PM.
THIS THUNDERSTORM MAY PRODUCE LOCALLY HEAVY RAIN...GUSTY
WINDS...DEADLY LIGHTNING...AND SMALL HAIL.
BE ON THE ALERT FOR THREATENING CONDITIONS. MOVE INDOORS
SPSpecial weather statement, Aug 27, 5:50 PM EDT, 46 minutes before
PAZ060-272250-
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
550 PM EDT SAT AUG 27 1994
...STRONG THUNDERSTORM IN BERKS COUNTY NEAR WOMELSDORF...
AT 545 PM WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG
THUNDERSTORM IN WESTERN BERKS COUNTY NEAR WOMELSDORF. THIS STORM
WAS MOVING TOWARD THE SOUTHEAST AROUND 15 MPH AND WILL CROSS SOUTHERN
BERKS COUNTY BETWEEN NOW AND 7 PM.
THIS THUNDERSTORM MAY PRODUCE LOCALLY HEAVY RAIN...GUSTY
WINDS...DEADLY LIGHTNING...AND SMALL HAIL.
BE ON THE ALERT FOR THREATENING CONDITIONS. MOVE INDOORS
IF POSSIBLE.
SP
WSUS41KMKC ._Special weather statement, Aug 27, 5:52 PM EDT, 44 minutes before
PAZ060-272250-
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE PHILADELPHIA PA/MT HOLLY NJ
550 PM EDT SAT AUG 27 1994
...STRONG THUNDERSTORM IN BERKS COUNTY NEAR WOMELSDORF...
AT 545 PM WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG
THUNDERSTORM IN WESTERN BERKS COUNTY NEAR WOMELSDORF. THIS STORM
WAS MOVING TOWARD THE SOUTHEAST AROUND 15 MPH AND WILL CROSS SOUTHERN
BERKS COUNTY BETWEEN NOW AND 7 PM.
THIS THUNDERSTORM MAY PRODUCE LOCALLY HEAVY RAIN...GUSTY
WINDS...DEADLY LIGHTNING...AND SMALL HAIL.
BE ON THE ALERT FOR THREATENING CONDITIONS. MOVE INDOORS
IF POSSIBLE.
SPThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 60 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1994Every severe thunderstorm warning in 1994
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.