Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 41, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 18, 2012, 2:26 PM EDT for Orange County, Rockland County, New York; Bergen County, Passaic County, New Jersey. It was in force for 64 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 18, 2012, 2:26 PM EDT (18:26 UTC)
- Expired
- Jul 18, 2012, 3:30 PM EDT
- In force
- 64 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Bergen County, NJ, Passaic County, NJ, Orange County, NY, Rockland County, NY
The radar
The Brookhaven radar (KOKX), 125 km from the middle of the area, began a volume at 18:27 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 |
|---|---|---|---|
| Jul 18, 2:29 PM EDT | TSTM WND DMG | Mahwah, NJ | WIRES DOWN ACROSS ROUTE 17 |
| Jul 18, 3:15 PM EDT | TSTM WND DMG | 1 Wsw Skylands, NJ | TREE DOWN ON CAR AND HOUSE ON CATHERINE CT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 18, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.4 hours before the alert went out and 125 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
- 2129 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1491 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
535
WUUS51 KOKX 181826
SVROKX
NJC003-031-NYC071-087-181930-
/O.NEW.KOKX.SV.W.0041.120718T1826Z-120718T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
226 PM EDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
PASSAIC COUNTY IN NORTHEAST NEW JERSEY...
NORTHERN BERGEN COUNTY IN NORTHEAST NEW JERSEY...
ROCKLAND COUNTY IN SOUTHEAST NEW YORK...
SOUTHERN ORANGE COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 330 PM EDT...
* AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
WEST MILFORD...AND MOVING EAST AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BLOOMINGDALE...GREENWOOD LAKE...RINGWOOD...POMPTON LAKES...
SLOATSBURG...SUFFERN...RAMSEY...RIDGEWOOD...MONSEY...POMONA...
NANUET...NORWOOD...UPPER NYACK...TAPPAN...PEARL RIVER...
ORANGEBURG...NYACK...NEW CITY AND HAVERSTRAW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM WEDNESDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.
&&
LAT...LON 4109 7450 4120 7437 4122 7440 4125 7397
4115 7389 4095 7391 4100 7435 4103 7442
4102 7443 4105 7445 4103 7450 4104 7450
TIME...MOT...LOC 1824Z 275DEG 19KT 4112 7446
$$
SEARS1 follow-up statement
563
WWUS51 KOKX 181843
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
243 PM EDT WED JUL 18 2012
NJC003-031-NYC071-087-181930-
/O.CON.KOKX.SV.W.0041.000000T0000Z-120718T1930Z/
ORANGE NY-ROCKLAND NY-BERGEN NJ-PASSAIC NJ-
243 PM EDT WED JUL 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR PASSAIC...NORTHERN BERGEN...ROCKLAND AND SOUTH CENTRAL ORANGE
COUNTIES...
AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR WEST MILFORD...MOVING EAST AT 20 MPH AND HAS A HISTORY
OF PRODUCING DAMAGING WINDS.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BLOOMINGDALE...GREENWOOD LAKE...WANAQUE...RINGWOOD...POMPTON LAKES...
OAKLAND...TUXEDO PARK...SLOATSBURG...FRANKLIN LAKES...HILLBURN...
WYCKOFF...SUFFERN...RAMSEY...MIDLAND PARK...ALLENDALE...MONTEBELLO...
WALDWICK...AIRMONT...RIDGEWOOD...UPPER SADDLE RIVER...SADDLE RIVER...
WESLEY HILLS...VIOLA...HO-HO-KUS...MONSEY...POMONA...NEW HEMPSTEAD...
WOODCLIFF LAKE...WASHINGTON TOWNSHIP...SPRING VALLEY...CHESTNUT
RIDGE...MONTVALE...MOUNT IVY...HILLCREST...NEW SQUARE...PARK RIDGE...
HILLSDALE...THIELLS...WESTWOOD...NANUET...STONY POINT...EMERSON...
WEST HAVERSTRAW...NEW CITY...ROCKLEIGH...RIVER VALE...OLD TAPPAN...
NORWOOD...NORTHVALE...HARRINGTON PARK...CLOSTER...ALPINE...WEST
NYACK...VALLEY COTTAGE...UPPER NYACK...TAPPAN...SOUTH NYACK...
PIERMONT...PEARL RIVER...ORANGEBURG...NYACK...HAVERSTRAW...GRAND
VIEW-ON-HUDSON...CONGERS...BLAUVELT AND BARDONIA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM WEDNESDAY
EVENING FOR SOUTHERN CONNECTICUT AND NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.
&&
LAT...LON 4109 7450 4120 7437 4122 7440 4125 7397
4115 7389 4095 7391 4100 7435 4103 7442
4102 7443 4105 7445 4103 7450 4104 7450
TIME...MOT...LOC 1840Z 275DEG 19KT 4111 7435
$$
SEARSThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:33 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 42 min |
| Jul 18, 12:36 PM EDT | Special Marine Warning | OKX | 39 min | |
| Jul 18, 12:39 PM EDT | Areal Flood Advisory | OKX | Westchester | 81 min |
| Jul 18, 1:12 PM EDT | Special Marine Warning | OKX | 63 min | |
| Jul 18, 1:12 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 63 min |
| Jul 18, 1:15 PM EDT | Areal Flood Advisory | OKX | Orange | 90 min |
| Jul 18, 1:19 PM EDT | Areal Flood Advisory | OKX | Bronx, Nassau, Queens | 69 min |
| Jul 18, 1:19 PM EDT | Special Weather Statement | OKX | Bronx | 56 min |
| Jul 18, 2:00 PM EDT | Areal Flood Advisory | OKX | Putnam, Rockland, Westchester | 2 hr |
| Jul 18, 2:36 PM EDT | Areal Flood Advisory | OKX | Orange | 84 min |
| Jul 18, 2:50 PM EDT | Special Marine Warning | OKX | 40 min | |
| Jul 18, 2:55 PM EDT | Areal Flood Advisory | OKX | Westchester | 72 min |
| Jul 18, 2:57 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 33 min |
| Jul 18, 2:59 PM EDT | Special Marine Warning | OKX | 61 min | |
| Jul 18, 3:23 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 52 min |
| Jul 18, 3:35 PM EDT | Special Marine Warning | OKX | 25 min | |
| Jul 18, 3:54 PM EDT | Special Weather Statement | OKX | Bronx, New York | 66 min |
| Jul 18, 3:59 PM EDT | Special Marine Warning | OKX | 46 min | |
| Jul 18, 4:10 PM EDT | Areal Flood Advisory | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 2 hr |
| Jul 18, 4:15 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Queens, Suffolk | 60 min |
| Jul 18, 4:34 PM EDT | Flash Flood Warning | OKX | Bronx, Kings, Nassau, New York, Queens | 116 min |
| Jul 18, 4:41 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Kings, New York, Queens | 49 min |
| Jul 18, 5:08 PM EDT | Special Marine Warning | OKX | 52 min | |
| Jul 18, 7:00 PM EDT | Special Marine Warning | OKX | 45 min | |
| Jul 18, 7:09 PM EDT | Special Marine Warning | OKX | 66 min | |
| Jul 18, 7:58 PM EDT | Special Marine Warning | OKX | 47 min | |
| Jul 18, 4:13 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Union | 2 hr |
| Jul 18, 4:37 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Union | 113 min |
Nearby
Severe Thunderstorm Warnings in New York, 2012Severe Thunderstorm Warnings in New Jersey, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.