Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 73, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 7, 1998, 1:20 PM EDT for Orange County, New York. It was in force for 60 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 7, 1998, 1:20 PM EDT (17:20 UTC)
- Expired
- Sep 7, 1998, 2:20 PM EDT
- In force
- 60 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Orange County, NY
The radar
The Albany radar (KENX), 133 km from the middle of the area, began a volume at 17:21 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, 5.3 hours before the alert went out and 135 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
- 242 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1668 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
444 WUUS1 KNYC 071717 RRA SVRNYC NYC071-071820- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 120 PM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ORANGE COUNTY IN SOUTHEASTERN NEW YORK * UNTIL 220 PM EDT * A LINE OF SEVERE THUNDERSTORMS WERE APPROACHING THE COUNTY FROM THE WEST. THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND GUSTS IN EXCESS OF 58 MPH AND LARGE HAIL. THE STORMS ARE MOVING QUICKLY EAST AROUND 50 MPH. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS PW
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, Sep 7, 7:47 AM EDT, 5 hours 33 minutes before
NYZ067>081-NJZ002>006-011-CTZ005-012-072100- SPECIAL WEATHER STATEMENT AND SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW YORK NY 745 AM EDT MON SEP 7 1998 ...THE NATIONAL WEATHER SERVICE/S SEVERE THUNDERSTORM WATCH FOR EARLY THIS MORNING HAS BEEN CANCELED...BUT THE POTENTIAL FOR SEVERE THUNDERSTORMS THIS AFTERNOON REMAINS... A SEVERE THUNDERSTORM IS DEFINED AS A STORM THAT IS ACCOMPANIED BY WIND OF AT LEAST 58 MILES AN HOUR AND/OR HAIL OF THREE QUARTERS OF AN INCH OR MORE IN DIAMETER. SEVERE THUNDERSTORMS HAVE THE ADDED DANGER OF PRODUCING STRUCTURAL DAMAGE TO PROPERTY AND CAN EASILY SNAP TREE LIMBS OR COMPLETELY KNOCK OVER THE LARGEST OF TREES. A COLD FRONT SLIDING SOUTHEAST ACROSS NEW YORK STATE IS THE CULPRIT FOR TODAY/S SEVERE WEATHER. THE COLD FRONT IS THE LEADING EDGE OF MUCH COOLER CANADIAN AIR THAT IS COLLIDING WITH THE WARM HUMID AIR THAT IS CURRENTLY OVER OUR REGION. THIS FRONT HAS SPARKED A LARGE AREA OF SEVERE WEATHER ACROSS UPSTATE NEW YORK THIS MORNING WHERE WINDS IN EXCESS OF 90 MPH HAVE ALREADY OCCURRED! THERE WAS DAMAGE AND UNFORTUNATELY THERE APPEARS TO HAVE BEEN SOME FATALITIES. THE POTENTIAL FOR SEVERE WEATHER FOR US WILL COME THIS AFTERNOON AS THE COLD FRONT APPROACHES. AS THE THREAT FOR SEVERE WEATHER INCREASES...THE NATIONAL WEATHER SERVICE WILL ISSUE A WATCH. A WATCH MEANS THAT YOU SHOULD HEIGHTEN YOUR WEATHER AWARENESS AS THE POTENTIAL FOR SEVERE WEATHER HAS INCREASED AND CONDITIONS ARE FAVORABLE FOR DEVELOPMENT. IF SEVERE WEATHER BECOMES IMMINENT OR IS OCCURRING...THE NATIONAL WEATHER SERVICE WILL ISSUE WARNINGS. TODAY/S STORMS WILL BE MOVING IN FROM THE WEST EXTREMELY QUICKLY AT SPEEDS OF UP TO 50 MPH. IF YOU SPOT A THUNDERSTORM TODAY TO YOUR WEST OR NORTHWEST...OR HERE THAT A WARNING HAS BEEN ISSUED FOR YOUR AREA...TAKE COVER IMMEDIATELY. THE SAFEST PLACE IS IN AN INTERIOR ROOM OR...IF YOU HAVE ONE...A BASEMENT. ALSO REMEMBER...LIGHTNING KILLS MORE PEOPLE IN THUNDERSTORMS THAN ANY OTHER ELEMENT OF THE STORM...SO TREAT IT WITH GREAT RESPECT. PLEASE STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL MEDIA FOR THE LATEST ON THIS DANGEROUS SITUATION. ADDITIONAL INFORMATION ON THIVS EVENT AND ALL OTHER TYPES OF LOCAL RELATED WEATHER CAN BE FOUND ON YOUR LOCAL NATIONAL WEATHER SERVICE WEB SITE AT WWW.NWS.BNL.GOV TONGUE
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:54 PM EDT | Severe Thunderstorm Warning | OKX | Rockland | 46 min |
| Sep 7, 2:03 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 47 min |
| Sep 7, 2:31 PM EDT | Severe Thunderstorm Warning | OKX | New York | 49 min |
| Sep 7, 2:31 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens | 49 min |
| Sep 7, 2:35 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 65 min |
| Sep 7, 2:38 PM EDT | Severe Thunderstorm Warning | OKX | Nassau | 62 min |
| Sep 7, 2:48 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 92 min |
| Sep 7, 2:53 PM EDT | Tornado Warning | OKX | Nassau | 32 min |
| Sep 7, 3:13 PM EDT | Tornado Warning | OKX | Suffolk | 32 min |
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.