Alert archive / New York / Tornado Warnings in 2012
Tornado Warning 10, NWS New York, NY
NWS New York, NY issued this tornado warning at Sep 8, 2012, 1:28 PM EDT for Bergen County, New Jersey; Rockland County, Westchester County, New York. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2012, 1:28 PM EDT (17:28 UTC)
- Expired
- Sep 8, 2012, 1:46 PM EDT
- In force
- 18 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Bergen County, NJ, Rockland County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 90 km from the middle of the area, began a volume at 17:31 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 |
|---|---|---|---|
| Sep 8, 11:18 AM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.5 hours before the alert went out and 90 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
- 173 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
918
WFUS51 KOKX 081728
TOROKX
NJC003-NYC087-119-081800-
/O.NEW.KOKX.TO.W.0010.120908T1728Z-120908T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
128 PM EDT SAT SEP 8 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* TORNADO WARNING FOR...
WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
EASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 200 PM EDT...
* AT 127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TAPPAN...
MOVING NORTHEAST AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DOBBS
FERRY...ORANGEBURG...TARRYTOWN...NYACK...NORTH TARRYTOWN...UPPER
NYACK...HAWTHORNE...HAVERSTRAW...OSSINING AND MOUNT KISCO
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
&&
LAT...LON 4128 7391 4120 7368 4091 7390 4092 7392
4089 7393 4087 7394 4093 7408
TIME...MOT...LOC 1729Z 206DEG 24KT 4103 7393
$$
GOODMAN1 follow-up statement
909
WWUS51 KOKX 081746
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
146 PM EDT SAT SEP 8 2012
NJC003-NYC087-119-081756-
/O.CAN.KOKX.TO.W.0010.000000T0000Z-120908T1800Z/
ROCKLAND NY-BERGEN NJ-WESTCHESTER NY-
146 PM EDT SAT SEP 8 2012
...THE TORNADO WARNING FOR WESTCHESTER...EAST CENTRAL BERGEN AND
ROCKLAND COUNTIES IS CANCELLED...
STORMS OVER SOUTHERN ROCKLAND AND WESTCHESTER COUNTIES HAVE WEAKENED
AND NO LONGER APPEAR CAPABLE OF PRODUCING TORNADOES.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM.
LAT...LON 4128 7391 4120 7368 4091 7390 4092 7392
4089 7393 4087 7394 4093 7408
TIME...MOT...LOC 1746Z 206DEG 24KT 4113 7386
$$
GOODMANThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 12:50 PM EDT | Special Weather Statement | OKX | Bergen | 55 min |
| Sep 8, 3:51 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 84 min |
| Sep 8, 5:04 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 86 min |
| Sep 8, 5:16 PM EDT | Tornado Warning | OKX | Bergen | 29 min |
| Sep 8, 10:01 AM EDT | Areal Flood Advisory | OKX | Bronx, Kings, New York, Queens, Westchester | 119 min |
| Sep 8, 10:29 AM EDT | Special Marine Warning | OKX | 16 min | |
| Sep 8, 10:34 AM EDT | Tornado Warning | OKX | Kings, Queens | 26 min |
| Sep 8, 10:47 AM EDT | Flash Flood Warning | OKX | Kings, Queens | 118 min |
| Sep 8, 10:50 AM EDT | Special Marine Warning | OKX | 25 min | |
| Sep 8, 10:55 AM EDT | Tornado Warning | OKX | Kings, Queens | 35 min |
| Sep 8, 11:22 AM EDT | Special Weather Statement | OKX | Rockland | 53 min |
| Sep 8, 11:27 AM EDT | Tornado Warning | OKX | Rockland, Westchester | 33 min |
| Sep 8, 11:54 AM EDT | Tornado Warning | OKX | Westchester | 36 min |
| Sep 8, 1:40 PM EDT | Special Weather Statement | OKX | Putnam | 65 min |
| Sep 8, 2:24 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 36 min |
| Sep 8, 3:39 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 81 min |
| Sep 8, 5:13 PM EDT | Special Marine Warning | OKX | 92 min | |
| Sep 8, 6:30 PM EDT | Special Weather Statement | OKX | Nassau | 60 min |
| Sep 8, 6:35 PM EDT | Special Weather Statement | OKX | Nassau | 25 min |
| Sep 8, 6:44 PM EDT | Special Marine Warning | OKX | 61 min | |
| Sep 8, 6:47 PM EDT | Special Marine Warning | OKX | 58 min | |
| Sep 8, 7:36 PM EDT | Special Weather Statement | OKX | Suffolk | 54 min |
| Sep 8, 7:46 PM EDT | Special Marine Warning | OKX | 59 min |
Nearby
Tornado Warnings in New York, 2012Tornado Warnings in New Jersey, 2012Every tornado warning in 2012Tornadoes in 2012
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.