Alert archive / New York / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 87, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Dec 17, 2000, 12:30 PM EST for Rockland County, New York. It was in force for 40 min. 1 report 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
- Dec 17, 2000, 12:30 PM EST (17:30 UTC)
- Expired
- Dec 17, 2000, 1:10 PM EST
- In force
- 40 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Rockland County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 17, 12:35 PM EST | Thunderstorm Wind 50 E | Countywide, NY |
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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 17, 12:00 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.5 hours before the alert went out and 102 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
- 313 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 582 m²/s²
- 0-3 km storm-relative helicity
- 603 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KOKX 171733
SVRNYC
NYC079-087-119-171810-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1230 PM EST SUN DEC 17 2000
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES...
IN SOUTHEASTERN NEW YORK STATE...
ROCKLAND...
NORTHWESTERN WESTCHESTER...
PUTNAM...
* UNTIL 110 PM EST...
* AT 1230 PM A SEVERE THUNDERSTORM WAS LOCATED ACROSS SOUTHERN
ROCKLAND COUNTY....MOVING NORTHEAST AT AROUND 60 TO 70 MPH.
* BASED ON THIS MOVEMENT...THE SEVERE THUNDERSTORM SHOULD BE
MOVING ACROSS THE REMAINDER OF ROCKLAND COUNTY...WESTERN
WESTCHESTER COUNTY AND WESTERN AND CENTRAL PUTNAM COUNTY.
REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.
$$
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.
LAT...LON 4120 7416 4107 7399 4118 7374 4138 7353
4151 7389
@ RUKWBCd KDENWUUS51 KOKX 171733
SVRNYC
NYC081-171800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1232 PM EST SUN DEC 17 2000
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES...
IN SOUTHEASTERN NEW YORK STATE
QUEENS...
* UNTIL 100 PM EST...
* AT 1232 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR QUEENS
MOVING RAPIDLY NORTHEAST AT 50 MPH.
REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.
$$
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.
LAT...LON 4067 7387 4066 7377 4077 7377The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 10:30 AM EST | Flash Flood Warning | OKX | Orange | 3 hr |
| Dec 17, 11:38 AM EST | Severe Thunderstorm Warning | OKX | Richmond | 37 min |
| Dec 17, 11:53 AM EST | Flash Flood Warning | OKX | Rockland | 3 hr |
| Dec 17, 12:30 PM EST | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 40 min |
| Dec 17, 12:32 PM EST | Severe Thunderstorm Warning | OKX | Queens | 28 min |
| Dec 17, 1:26 PM EST | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 34 min |
| Dec 17, 2:53 PM EST | Severe Thunderstorm Warning | OKX | Suffolk | 27 min |
| Dec 17, 3:00 PM EST | Flash Flood Warning | OKX | Rockland | 3 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2000Every severe thunderstorm warning in 2000
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.