Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 91, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 18, 2012, 10:41 PM EDT for Suffolk County, New York. It was in force for 22 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 18, 2012, 10:41 PM EDT (02:41 UTC)
- Expired
- Sep 18, 2012, 11:03 PM EDT
- In force
- 22 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
County Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 30 km from the middle of the area, began a volume at 02:41 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 18, 3:38 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 30 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
- 270 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 667 m²/s²
- 0-3 km storm-relative helicity
- 699 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
287
WUUS51 KOKX 190241
SVROKX
NYC103-190345-
/O.NEW.KOKX.SV.W.0091.120919T0241Z-120919T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1041 PM EDT TUE SEP 18 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SUFFOLK COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 1145 PM EDT...
* AT 1037 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WADING RIVER TO DAVIS PARK...OR ALONG A LINE EXTENDING FROM
WADING RIVER TO PATCHOGUE...AND MOVING NORTHEAST AT 35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHIRLEY...CALVERTON...MASTIC...MANORVILLE...MASTIC BEACH...CENTER
MORICHES...WESTHAMPTON...RIVERHEAD...MATTITUCK...PECONIC...
SOUTHOLD...GREENPORT...SHINNECOCK HILLS...SOUTHAMPTON...SHELTER
ISLAND...BRIDGEHAMPTON...NOYACK...PLUM ISLAND AND SAG HARBOR
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER.
&&
LAT...LON 4116 7220 4116 7223 4111 7228 4113 7231
4112 7233 4105 7226 4104 7220 4089 7230
4067 7305 4074 7289 4075 7289 4073 7296
4074 7297 4074 7298 4090 7286 4097 7288
4099 7263 4110 7240 4115 7235 4121 7210
TIME...MOT...LOC 0241Z 240DEG 31KT 4101 7277 4094 7276
4075 7292
$$
GOODMAN1 follow-up statement
311
WWUS51 KOKX 190303
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
1103 PM EDT TUE SEP 18 2012
NYC103-190312-
/O.CAN.KOKX.SV.W.0091.000000T0000Z-120919T0345Z/
SUFFOLK NY-
1103 PM EDT TUE SEP 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR SUFFOLK COUNTY IS CANCELLED...
THE LINE OF STORMS MOVING THROUGH EASTERN SUFFOLK COUNTY
HAVE WEAKENED.
LAT...LON 4116 7220 4116 7223 4111 7228 4113 7231
4112 7233 4105 7226 4104 7220 4089 7230
4067 7305 4074 7289 4075 7289 4073 7296
4074 7297 4074 7298 4090 7286 4097 7288
4099 7263 4110 7240 4115 7235 4121 7210
TIME...MOT...LOC 0302Z 240DEG 31KT 4110 7256 4103 7255
4084 7271
$$
GOODMANThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 8:10 PM EDT | Special Marine Warning | OKX | 65 min | |
| Sep 18, 8:21 PM EDT | Areal Flood Advisory | OKX | Nassau, Suffolk | 54 min |
| Sep 18, 8:29 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, Queens, Westchester | 46 min |
| Sep 18, 8:30 PM EDT | Areal Flood Advisory | OKX | Kings, Queens | 45 min |
| Sep 18, 9:04 PM EDT | Areal Flood Advisory | OKX | Suffolk | 86 min |
| Sep 18, 9:09 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 51 min |
| Sep 18, 9:20 PM EDT | Special Marine Warning | OKX | 55 min | |
| Sep 18, 9:26 PM EDT | Special Marine Warning | OKX | 94 min | |
| Sep 18, 9:34 PM EDT | Tornado Warning | OKX | Suffolk | 26 min |
| Sep 18, 9:35 PM EDT | Areal Flood Advisory | OKX | Nassau | 55 min |
| Sep 18, 9:47 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 88 min |
| Sep 18, 9:58 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 62 min |
| Sep 18, 10:18 PM EDT | Special Marine Warning | OKX | 57 min | |
| Sep 18, 10:31 PM EDT | Special Marine Warning | OKX | 59 min | |
| Sep 18, 10:59 PM EDT | Special Marine Warning | OKX | 31 min | |
| Sep 18, 11:12 PM EDT | Special Marine Warning | OKX | 63 min | |
| Sep 18, 11:21 PM EDT | Areal Flood Advisory | OKX | Suffolk | 54 min |
| Sep 19, 12:18 AM EDT | Areal Flood Advisory | OKX | Suffolk | 117 min |
| Sep 19, 12:51 AM EDT | Special Marine Warning | OKX | 24 min | |
| Sep 19, 3:39 AM EDT | Small Craft Advisory | OKX | 14 hr | |
| Sep 19, 5:46 PM EDT | Small Craft Advisory | OKX | 22 hr |
Nearby
Severe Thunderstorm Warnings in New York, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.