Alert archive / New Jersey / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 27, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 1993, 6:26 PM EDT for Cape May County, New Jersey. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1993, 6:26 PM EDT (22:26 UTC)
- Expired
- Jul 14, 1993, 7:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Cape May County, NJ
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 10.4 hours before the alert went out and 51 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
- 8 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1723 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KACY 142228 RRA SVRACY NJC009-142330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 626 PM EDT WED JUL 14 1993 THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH NEW JERSEY ...CAPE MAY COUNTY AND THE ADJACENT COASTAL WATERS WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM MOVING INTO CAPE MAY COUNTY FROM THE DELAWARE BAY BETWEEN THE VILLAS AND CAPE MAY POINT. THIS IS THE SAME STORM THAT WAS ASSOCIATED WITH A REPORTED FUNNEL CLOUD NEAR DOVER DELAWARE. HAIL...STRONG GUSTY WINDS AND INTENSE DOWNPOURS MAY ACCOMPANY THIS STORM. THIS STORM IS MOVING EAST AT 20 TO 25 MILES AN HOUR. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. DIETZMANN/MCDONALD &
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
Local storm report, Jul 14, 5:01 PM EDT, 1 hour 25 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE PHILADELPHIA PA
500 PM EDT WED JUL 14 1993
PRELIMINARY REPORTS FOR WEDNESDAY JULY 14 1993
TIME LOCATION REPORT
------ ------------------------------- ----------------------------
205 PM MANTUA TOWNSHIP GLOUCESTER CTY 1 INCH HAIL
NJ WIND GUSTS ESTIMATED 50 MPH
215 PM NEAR WOODBURY GLOUCESTER CTY TREE SNAPPED OFF AND FELL ON
(TIME ESTD) NJ A HOUSE
215 PM VERGA GLOUCESTER CTY 3/4 TO 1 INCH HAIL
NJ STRONG WIND GUSTS
415 PM HATBORO MONTGOMERY CTY 2.32 INCHES OF RAIN THRU 4 PM
PA
KRAUSSpecial weather statement, Jul 14, 5:35 PM EDT, 51 minutes before
NJZ003-004-006-501-DEZ501-142245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 535 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NEW JERSEY INCLUDING THE COASTAL WATERS UNTIL 9 PM... AT 535 PM...OUR WEATHER SEARCH RADAR SHOWED THUNDERSTORMS AND RAIN SHOWERS WIDESPREAD OVER MOST OF NEW JERSEY AND THE COASTAL WATERS...EASTERN PENNSYLVANIA...DELAWARE AND THE DELAWARE BAY...MARYLAND. THUNDERSTORMS WITH VERY HEAVY TO INTENSE DOWNPOURS WERE INDICATED MOVING IN OFF THE DELAWARE BAY INTO CAPE MAY COUNTY SOUTHEAST NEW JERSEY...CENTRAL DELAWARE...SOUTHEAST PENNSYLVANIA CHESTER COUNTY... FROM BALTIMORE MARYLAND DOWN ALONG THE WESTERN SHORES AND WATERS OF THE CHESAPEAKE BAY. MOVEMENT WAS TO THE EAST AT 25 TO 30 MILES AN HOUR. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER WHEN THE STORMS APPROACH. LISTEN FOR LATER STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE ATLANTIC CITY NEW JERSEY. DIETZMANN/MCDONALD
Special weather statement, Jul 14, 5:50 PM EDT, 36 minutes before
NJZ003-004-006-501-DEZ501-142245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 535 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NEW JERSEY INCLUDING THE COASTAL WATERS UNTIL 9 PM... AT 535 PM...OUR WEATHER SEARCH RADAR SHOWED THUNDERSTORMS AND RAIN SHOWERS WIDESPREAD OVER MOST OF NEW JERSEY AND THE COASTAL WATERS...EASTERN PENNSYLVANIA...DELAWARE AND THE DELAWARE BAY...MARYLAND. THUNDERSTORMS WITH VERY HEAVY TO INTENSE DOWNPOURS WERE INDICATED MOVING IN OFF THE DELAWARE BAY INTO CAPE MAY COUNTY SOUTHEAST NEW JERSEY...CENTRAL DELAWARE...SOUTHEAST PENNSYLVANIA CHESTER COUNTY... FROM BALTIMORE MARYLAND DOWN ALONG THE WESTERN SHORES AND WATERS OF THE CHESAPEAKE BAY. MOVEMENT WAS TO THE EAST AT 25 TO 30 MILES AN HOUR. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER WHEN THE STORMS APPROACH. LISTEN FOR LATER STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE ATLANTIC CITY NEW JERSEY. DIETZMANvN/MCDONALD
Special weather statement, Jul 14, 5:53 PM EDT, 33 minutes before
DEC001-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 554 PM EDT WED JUL 14 1993 THUNDERSTORM WITH SEVERE POTENTIAL MOVING FROM CAROLINE COUNTY, MARYLAND INTO KENT COUNTY, DELAWARE. THE STORM IS MOVING EAST AT ABOUT 30 MPH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE ENTIRE STATE OF DELAWARE, DELAWARE BAY AND COASTAL WATERS UNTIL 9 PM EDT TONIGHT. IF YOU ARE IN THE STORMS PATH SEEK SHELTER. BEWARE OF LOW LYING, POOR DRAINAGE AREAS...WATER CAN COLLECT VERY QUICKLY. THESE STORMS CAN DUMP GREAT AMOUNTS OF RAINFALL IN A VERY SHORT TIME. TOWNSEND
Special weather statement, Jul 14, 5:54 PM EDT, 32 minutes before
DEC001-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 554 PM EDT WED JUL 14 1993 THUNDERSTORM WITH SEVERE POTENTIAL MOVING FROM CAROLINE COUNTY, MARYLAND INTO KENT COUNTY, DELAWARE. THE STORM IS MOVING EAST AT ABOUT 30 MPH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE ENTIRE STATE OF DELAWARE, DELAWARE BAY AND COASTAL WATERS UNTIL 9 PM EDT TONIGHT. IF YOU ARE IN THE STORMS PATH SEEK SHELTER. BEWARE OF LOW LYING, POOR DRAINAGE AREAS...WATER CAN COLLECT VERY QUICKLY. THESE STORMS CAN DUMP GREAT AMOUNTS OF RAINFALL IN A VERY SHORT TIME. TOWNSEND
Special weather statement, Jul 14, 6:01 PM EDT, 25 minutes before
PAZ012-NJZ002-142330- SPECIAL WEATHER STATEMENT - THUNDERSTORMS NATIONAL WEATHER SERVICE PHILADELPHIA PA 600 PM EDT WED JUL 14 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE ENTIRE PHILADELPHIA AREA UNTIL 900 PM THIS EVENING... ...THUNDERSTORMS APPROACHING PHILADELPHIA FROM THE WEST... AT 555 PM...NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSTORMS IN DELAWARE...MONTGOMERY...AND NORTHERN CHESTER COUNTIES. THESE STORMS WERE MOVING TOWARD THE EAST AT ABOUT 20 MPH...AND COULD PRODUCE LOCAL DOWNPOURS...ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND SMALL HAIL. AT THEIR PRESENT PACE...THESE THUNDERSTORMS WOULD MOVE THROUGH PHILADELPHIA COUNTY AND SOUTHERN BUCKS COUNTIES AND INTO SOUTHERN NEW JERSEY BY 700 PM. EVEN THOUGH THE STORMS DO NOT APPEAR TO BE SEVERE AT THIS TIME...THEY COULD INTENSIFY RAPIDLY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE ENTIRE PHILADELPHIA AREA UNTIL 9 PM. IF THREATENING WEATHER IS SIGHTED...SEEK SHELTER IMMEDIATELY. IF YOU SEE LARGE HAIL OR WIND DAMAGE...NOTIFY YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY THE REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. STORM SPOTTERS..0.PLEASE CALL IN ANY REPORTS OF SEVERE WEATHER. KRAUS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 2:12 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 48 min |
| Jul 14, 2:15 PM EDT | Severe Thunderstorm Warning | PHI | Camden | 45 min |
| Jul 14, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 65 min |
| Jul 14, 2:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 62 min |
| Jul 14, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 60 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1993Every severe thunderstorm warning in 1993
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.