Alert archive / New York / Tornado Warnings in 2007
Tornado Warning 2, NWS New York, NY
NWS New York, NY issued this tornado warning at Jul 18, 2007, 9:19 AM EDT for Suffolk County, New York. It was in force for 10 min. 1 report 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, 2007, 9:19 AM EDT (13:19 UTC)
- Expired
- Jul 18, 2007, 9:29 AM EDT
- In force
- 10 min
- Issued by
- NWS New York, NY
- Area
- Counties, with a storm outline in the text
County Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 27 km from the middle of the area, began a volume at 13:20 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, 9:20 AM EDT | TORNADO 1 | Islip Terrace, NY | EF1 TORNADO CONFIRMED |
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, 1.3 hours before the alert went out and 27 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
- 94 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KOKX 181319 TOROKX NYC103-181345- /O.NEW.KOKX.TO.W.0002.070718T1319Z-070718T1345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE UPTON NY 919 AM EDT WED JUL 18 2007 THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A * TORNADO WARNING FOR... SOUTHWEST SUFFOLK COUNTY IN SOUTHEAST NEW YORK... * UNTIL 945 AM EDT... * AT 916 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SAYVILLE... OR ABOUT NEAR ISLIP...MOVING NORTHEAST AT 10 MPH. * THE TORNADO WILL BE NEAR... SAYVILLE AND RONKONKOMA BY 940 AM... HOLBROOK BY 945 AM... 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. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4076 7323 4070 7319 4075 7305 4082 7308 $$ GOODMAN
1 follow-up statement
000 WWUS51 KOKX 181329 SVSOKX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 928 AM EDT WED JUL 18 2007 NYC103-181338- /O.CAN.KOKX.TO.W.0002.000000T0000Z-070718T1345Z/ SUFFOLK NY- 928 AM EDT WED JUL 18 2007 ...THE TORNADO WARNING FOR SOUTHWEST SUFFOLK COUNTY IS CANCELLED... THE STRONG LOW LEVEL ROTATION THAT WAS EARLIER DETECTED HAS WEAKENED....THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED. HOWEVER...THE STORM IS STILL CAPABLE OF PRODUCING DAMAGING WINDS. LAT...LON 4076 7323 4070 7319 4075 7305 4082 7308 $$ GOODMAN
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:59 AM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens | 2 hr |
| Jul 18, 8:46 AM EDT | Flash Flood Warning | OKX | Suffolk | 119 min |
| Jul 18, 8:49 AM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 41 min |
| Jul 18, 8:50 AM EDT | Special Marine Warning | OKX | 40 min | |
| Jul 18, 9:29 AM EDT | Special Marine Warning | OKX | 61 min | |
| Jul 18, 9:57 AM EDT | Flash Flood Warning | OKX | Kings, Queens | 2 hr |
| Jul 18, 10:33 AM EDT | Flash Flood Warning | OKX | Suffolk | 3 hr |
| Jul 18, 10:59 AM EDT | Special Marine Warning | OKX | 36 min | |
| Jul 18, 11:16 AM EDT | Special Marine Warning | OKX | 29 min |
Nearby
Tornado Warnings in New York, 2007Every tornado warning in 2007Tornadoes in 2007
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.