Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 65, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 23, 1998, 6:57 PM EDT for Suffolk County, New York. It was in force for 63 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
- Jul 23, 1998, 6:57 PM EDT (22:57 UTC)
- Expired
- Jul 23, 1998, 8:00 PM EDT
- In force
- 63 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 17 km from the middle of the area, began a volume at 22:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 23, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.0 hours before the alert went out and 17 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
- 130 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 1570 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
929 WUUS1 KNYC 232256 RRA SVRNYC ANZ330-335-350-355-NYC103-240000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 657 PM EDT THU JUL 23 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN SUFFOLK COUNTY INCLUDING ADJACENT COASTAL WATERS IN SOUTHEASTERN NEW YORK * UNTIL 800 PM EDT * AT 654 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON * NY INDICATED A SEVERE THUNDERSTORM ALONG THE NORTH SHORE OF LONG ISLAND JUST EAST OF PORT JEFFERSON. THE STORM IS MOVING EAST AT 30 MPH AND WILL AFFECT TOWNS FROM SOUND BEACH TO WADING RIVER WITHIN THE NEXT 15 MINUTES AND POINTS EAST AFTERWARDS. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS EKH
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, Jul 23, 3:05 PM EDT, 3 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 305 PM EDT THU JUL 23 1998 ...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR FAIRFIELD AND NEW HAVEN COUNTIES... ALTHOUGH ADDITIONAL SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE UNTIL AROUND MIDNIGHT...THE THREAT FOR SEVERE THUNDERSTORMS HAS DECREASED. A LINE OF HEAVY SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE EAST ACROSS EASTERN CONNECTICUT AND EASTERN LONG ISLAND SOUND DURING THE NEXT COUPLE HOURS. TORRENTIAL RAINS ALONG WITH STRONG GUSTY WINDS ARE POSSIBLE AS THIS LINE MOVES EAST. STAY TUNED TO NATIONAL WEATHER SERVICE SHORT TERM FORECASTS OR FOR POSSIBLE WATCHES OR WARNINGS. GC
Special weather statement, Jul 23, 3:05 PM EDT, 3 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 305 PM EDT THU JUL 23 1998 ...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR FAIRFIELD AND NEW HAVEN COUNTIES... ALTHOUGH ADDITIONAL SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE UNTIL AROUND MIDNIGHT...THE THREAT FOR SEVERE THUNDERSTORMS HAS DECREASED. A LINE OF HEAVY SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE EAST ACROSS EASTERN CONNECTICUT AND EASTERN LONG ISLAND SOUND DURING THE NEXT COUPLE HOURS. TORRENTIAL RAINS ALONG WITH STRONG GUSTY WINDS ARE POSSIBLE AS THIS LINE MOVES EAST. STAY TUNED TO NATIONAL WEATHER SERVICE SHORT TERM FORECASTS OR FOR POSSIBLE WATCHES OR WARNINGS. GC
Special weather statement, Jul 23, 5:00 PM EDT, 1 hour 57 minutes before
CTZ005>012-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 500 PM EDT THU JUL 23 1998 ...SEVERE THUNDERSTORM WATCH CANCELED FOR SOUTHERN CONNECTICUT... THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR THE FOLLOWING COUNTIES IN SOUTHERN CONNECTICUT... FAIRFIELD...NEW HAVEN...MIDDLESEX...NEW LONDON THE LINE OF HEAVY THUNDERSTORMS HAS MOVED EAST AND AS A RESULT...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED ACROSS ~SOUTHERN CONNECTICUT. HOWEVER...SCATTERED THUNDERSTORMS WILL BE POSSIBLE TONIGHT AND THESE STORMS MAY PRODUCE LOCALLY GUSTY WINDS AND SMALL HAIL. EKH
Special weather statement, Jul 23, 5:00 PM EDT, 1 hour 57 minutes before
CTZ005>012-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 500 PM EDT THU JUL 23 1998 ...SEVERE THUNDERSTORM WATCH CANCELED FOR SOUTHERN CONNECTICUT... THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR THE FOLLOWING COUNTIES IN SOUTHERN CONNECTICUT... FAIRFIELD...NEW HAVEN...MIDDLESEX...NEW LONDON THE LINE OF HEAVY THUNDERSTORMS HAS MOVED EAST AND AS A RESULT...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED ACROSS ~SOUTHERN CONNECTICUT. HOWEVER...SCATTERED THUNDERSTORMS WILL BE POSSIBLE TONIGHT AND THESE STORMS MAY PRODUCE LOCALLY GUSTY WINDS AND SMALL HAIL. EKH
Nearby
Severe Thunderstorm Warnings in New York, 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.