Alert archive / New Jersey / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 13, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at May 31, 1991, 2:24 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey. It was in force for 66 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 31, 1991, 2:24 PM EDT (18:24 UTC)
- Expired
- May 31, 1991, 3:30 PM EDT
- In force
- 66 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 2:45 PM EDT | Thunderstorm Wind 0 | Hunterdon, NJ | |
| May 31, 3:00 PM EDT | Thunderstorm Wind 0 | Morris, NJ | |
| May 31, 3:15 PM EDT | Thunderstorm Wind 61 | Hunterdon, NJ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 6.4 hours before the alert went out and 148 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
- 456 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1153 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- -37 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 KNYC 311825 SVRNYC NJC027-019-041-311930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK CITY NY 224 PM EDT FRI MAY 31 1991 THE NATIONAL WEATHER SERVICE IN NEW YORK CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...S... IN NORTH CENTRAL NEW JERSEY ...SOUTHWESTERN MORRIS COUNTY IN NORTHWEST NEW JERSEY ...HUNTERDON COUNTY...SOUTHERN WARREN COUNTY NATIONAL WEATHER SERVICE SKYWARN SPOTTER IN BELVIDERE REPORTED A SEVERE THUNDERSTORM IN PROGRESS. TREES AND POWERLINES WERE REPORTED DOWN. THIS SEVERE THUNDERSTORM WAS PART OF A LINE OF STRONG THUNDERSTORMS WHICH WERE MOVING EASTSOUTHEAST AT 35 MILES AN HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, May 31, 1:45 PM EDT, 39 minutes before
NYZ014>017-NJZ001-005-007-015-302000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 145 PM EDT FRI MAY 31 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 P.M.... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MOST OF NEW JERSEY AND SOUTHEAST NEW YORK UNTIL 8 P.M. ALL COUNTIES WITHIN NATIONAL WEATHER SERVICE NEW YORK CITY.S AREA OF RESPONSIBILITY ARE INCLUDED IN THIS SEVERE THUNDERSTORM WATCH. AT 1:40 P.M. NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEAR ALBANY...NEW YORK SOUTHWEST ACROSS EASTERN PENNSYLAVANIA TO NORTHWEST OF READING. SOME OF THESE THUNDERSTORMS CONTAIN HEAVY RAIN AND STRONG GUSTyY WINDS. THIS LINE WAS MOVING SOUTHEAST AT ABOUT 35 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED THIS AFTERNOON AS NEEDED OVER NOAA WEATHER RADIO...COMMERCIAL RADIO AND/OR TELEVISION...SO STAY TUNED. GTC
Special weather statement, May 31, 1:49 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW YORK NY 130 PM EDT FRI MAY 31 1991 ...PLEASE DO NOT USE AFTER 3 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM EDT FOR THE HUDSON VALLEY...NORTHERN AND CENTRAL NEW JERSEY...THE METROPOLITAN AREA AND LONG ISLAND. RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN OVER CARBON COUNTY IN EASTERN PENNSYLVAINIA. THIS THUNDERSTORM WAS PART OF AN AREA OF THUNDERSTORMS WHICH EXTENDED FROM SCHUYKILL COUNTY IN NORTHEAST PENNSYLVANIA NORTHEAST TO HERKIMER AND RENSSELAER COUNTIES IN NEW YORK. THE AREA OF THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 30 MILES PER HOUR. MIESELL /
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 2:17 PM EDT | Severe Thunderstorm Warning | OKX | Middlesex, Somerset, Union | 58 min |
| May 31, 3:10 PM EDT | Severe Thunderstorm Warning | OKX | Monmouth | 65 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.