Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 8, 2012, 2:24 PM EDT for Putnam County, Westchester County, New York. It was in force for 35 min. 3 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
- Jun 8, 2012, 2:24 PM EDT (18:24 UTC)
- Expired
- Jun 8, 2012, 2:59 PM EDT
- In force
- 35 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Putnam County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 91 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 |
|---|---|---|---|
| Jun 8, 2:30 PM EDT | HAIL 0.88 | Fahnestock State Park, NY | NICKEL SIZE HAIL IN FAHNESTOCK STATE PARK. |
| Jun 8, 2:45 PM EDT | HAIL 0.88 | Mahopac, NY | NICKEL SIZE HAIL IN MAHOPAC. |
| Jun 8, 3:00 PM EDT | HAIL 0.88 | Yorktown, NY | NICKEL SIZE HAIL IN YORKTOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.4 hours before the alert went out and 91 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1476 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
460
WUUS51 KOKX 081824
SVROKX
NYC079-119-081915-
/O.NEW.KOKX.SV.W.0009.120608T1824Z-120608T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
224 PM EDT FRI JUN 8 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN WESTCHESTER COUNTY IN SOUTHEAST NEW YORK...
PUTNAM COUNTY IN SOUTHEAST NEW YORK...
* UNTIL 315 PM EDT...
* AT 219 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
FAHNESTOCK STATE PARK...OR NEAR BEACON...AND MOVING SOUTHEAST AT 20
MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE
CARMEL...CARMEL...MAHOPAC...YORKTOWN HEIGHTS AND BREWSTER
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.
&&
LAT...LON 4139 7354 4130 7355 4119 7370 4145 7397
4150 7390 4151 7373
TIME...MOT...LOC 1824Z 314DEG 18KT 4146 7386
$$
GOODMAN2 follow-up statements
015 WWUS51 KOKX 081845 SVSOKX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 245 PM EDT FRI JUN 8 2012 NYC079-119-081915- /O.CON.KOKX.SV.W.0009.000000T0000Z-120608T1915Z/ PUTNAM NY-WESTCHESTER NY- 245 PM EDT FRI JUN 8 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN WESTCHESTER AND PUTNAM COUNTIES... AT 240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED BETWEEN PUTNAM VALLEY AND MAHOPAC...MOVING SOUTHEAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YORKTOWN HEIGHTS AND GOLDEN'S BRIDGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 4145 7376 4130 7355 4119 7370 4139 7391 TIME...MOT...LOC 1844Z 307DEG 20KT 4135 7382 $$ GOODMAN
872 WWUS51 KOKX 081859 SVSOKX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 259 PM EDT FRI JUN 8 2012 NYC079-119-081906- /O.CAN.KOKX.SV.W.0009.000000T0000Z-120608T1915Z/ PUTNAM NY-WESTCHESTER NY- 259 PM EDT FRI JUN 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WESTCHESTER AND PUTNAM COUNTIES IS CANCELLED... THE THUNDERSTORM APPROACHING YORKTOWN HEIGHTS HAS WEAKENED AND NO LONGER APPEARS TO BE SEVERE. HEAVY RAIN...WIND GUSTS UP TO 35 MPH...AND DANGEROUS CLOUD TO GROUND LIGHTNING ARE STILL EXPECTED. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO A THUNDERSTORM TO BE STRUCK BY LIGHTNING. LAT...LON 4145 7376 4130 7355 4119 7370 4139 7391 TIME...MOT...LOC 1856Z 314DEG 18KT 4135 7371 $$ GOODMAN
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 2:10 PM EDT | Special Weather Statement | OKX | Putnam | 50 min |
| Jun 8, 3:36 PM EDT | Special Weather Statement | OKX | Westchester | 39 min |
| Jun 8, 7:01 PM EDT | Special Marine Warning | OKX | 29 min | |
| Jun 8, 7:05 PM EDT | Special Weather Statement | OKX | Kings, Queens | 55 min |
| Jun 8, 7:07 PM EDT | Special Weather Statement | OKX | Putnam | 38 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.