Alert archive / New York / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 43, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 19, 2010, 7:21 PM EDT for Nassau County, Suffolk County, Westchester County, New York. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 19, 2010, 7:21 PM EDT (23:21 UTC)
- Expired
- Jul 19, 2010, 8:00 PM EDT
- In force
- 39 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Nassau County, NY, Suffolk County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 41 km from the middle of the area, began a volume at 23:23 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.4 hours before the alert went out and 41 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
- 306 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1354 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New York, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 6:30 PM EDT, 51 minutes earlier.
Area forecast discussion, Jul 19, 6:30 PM EDT, 51 minutes before
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</html>Hazardous weather outlook, Jul 19, 6:04 PM EDT, 1 hour 17 minutes before
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Special weather statement, Jul 19, 5:47 PM EDT, 1 hour 34 minutes before
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</html>Local storm report, Jul 19, 7:02 PM EDT, 19 minutes before
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</html>Local storm report, Jul 19, 7:14 PM EDT, 7 minutes before
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</html>Local storm report, Jul 19, 7:21 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 3:42 AM EDT | Small Craft Advisory for Hazardous Seas | OKX | 43 hr | |
| Jul 19, 4:58 AM EDT | Coastal Flood Statement | OKX | Kings, Suffolk | 16 hr |
| Jul 19, 8:11 AM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland | 34 min |
| Jul 19, 8:28 AM EDT | Special Weather Statement | OKX | Bronx, New York | 32 min |
| Jul 19, 8:29 AM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 46 min |
| Jul 19, 9:23 AM EDT | Special Marine Warning | OKX | 52 min | |
| Jul 19, 10:42 AM EDT | Special Marine Warning | OKX | 63 min | |
| Jul 19, 10:55 AM EDT | Special Marine Warning | OKX | 35 min | |
| Jul 19, 11:36 AM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 39 min |
| Jul 19, 11:49 AM EDT | Special Marine Warning | OKX | 26 min | |
| Jul 19, 3:01 PM EDT | Special Weather Statement | OKX | Putnam | 59 min |
| Jul 19, 3:09 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 51 min |
| Jul 19, 3:52 PM EDT | Special Weather Statement | OKX | Orange, Putnam | 53 min |
| Jul 19, 4:10 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 50 min |
| Jul 19, 4:28 PM EDT | Areal Flood Advisory | OKX | Orange, Putnam | 107 min |
| Jul 19, 4:41 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 64 min |
| Jul 19, 4:43 PM EDT | Flash Flood Warning | OKX | Orange, Putnam | 3 hr |
| Jul 19, 4:52 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam, Rockland, Westchester | 53 min |
| Jul 19, 5:11 PM EDT | Special Marine Warning | OKX | 34 min | |
| Jul 19, 5:26 PM EDT | Special Marine Warning | OKX | 64 min | |
| Jul 19, 5:47 PM EDT | Special Weather Statement | OKX | Rockland, Westchester | 58 min |
| Jul 19, 6:03 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York, Orange, Rockland, Westchester | 57 min |
| Jul 19, 6:58 PM EDT | Areal Flood Advisory | OKX | Rockland, Westchester | 62 min |
| Jul 19, 6:59 PM EDT | Special Marine Warning | OKX | 61 min | |
| Jul 19, 7:25 PM EDT | Special Weather Statement | OKX | Suffolk | 65 min |
| Jul 19, 7:41 PM EDT | Special Weather Statement | OKX | Nassau, Suffolk | 64 min |
| Jul 19, 7:48 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 29 min |
| Jul 19, 7:54 PM EDT | Special Marine Warning | OKX | 66 min | |
| Jul 19, 9:15 AM EDT | Special Weather Statement | OKX | 45 min | |
| Jul 19, 10:15 AM EDT | Special Weather Statement | OKX | 60 min | |
| Jul 19, 11:08 AM EDT | Special Weather Statement | OKX | 37 min | |
| Jul 19, 11:14 AM EDT | Areal Flood Advisory | OKX | Southeastern Connecticut Planning Region | 91 min |
| Jul 19, 11:55 AM EDT | Special Weather Statement | OKX | 65 min | |
| Jul 19, 4:32 PM EDT | Special Weather Statement | OKX | 58 min | |
| Jul 19, 5:25 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 65 min |
| Jul 19, 7:43 AM EDT | Special Weather Statement | OKX | Bergen, Essex, Hudson, Passaic, Union | 47 min |
Nearby
Severe Thunderstorm Warnings in New York, 2010Every severe thunderstorm warning in 2010
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.