Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 2, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jan 9, 1998, 3:09 PM EST for Putnam County, Westchester County, New York. It was in force for 61 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
- Jan 9, 1998, 3:09 PM EST (20:09 UTC)
- Expired
- Jan 9, 1998, 4:10 PM EST
- In force
- 61 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Putnam County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 88 km from the middle of the area, began a volume at 20:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 9, 3:45 PM EST | Thunderstorm Wind 50 | Yonkers, 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.2 hours before the alert went out and 88 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
- 6 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
994 WUUS1 KNYC 092010 RRA SVRNYC NYC079-119-092110- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 309 PM EST FRI JAN 9 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK NY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 410 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEASTERN NEW YORK ...PUTNAM ...NORTHERN WESTCHESTER * AT 307 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY INDICATED A LINE OF SEVERE THUNDERSTORMS OVER EASTERN ORANGE AND ROCKLAND COUNTIES MOVING NORTHEAST AROUND 40 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. IAA
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, Jan 9, 2:35 PM EST, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
235 PM EST FRI JAN 09 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0200 PM PORT JERVIS NY
01/09/98 ORANGE POLICE DEPT. PEA SIZE
HAIL. GUSTY WINDS. HEAVY
DOWNPOUR.Local storm report, Jan 9, 2:35 PM EST, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
235 PM EST FRI JAN 09 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0200 PM PORT JERVIS NY
01/09/98 ORANGE POLICE DEPT. PEA SIZE
HAIL. GUSTY WINDS. HEAVY
DOWNPOUR.The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 9, 3:06 PM EST | Severe Thunderstorm Warning | OKX | Orange, Rockland | 34 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.