Alert archive / New York / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 21, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at May 24, 2004, 7:38 PM EDT for Nassau County, Suffolk County, New York. It was in force for 37 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
- May 24, 2004, 7:38 PM EDT (23:38 UTC)
- Expired
- May 24, 2004, 8:15 PM EDT
- In force
- 37 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Nassau County, NY, Suffolk County, NY
The radar
The Brookhaven radar (KOKX), 23 km from the middle of the area, began a volume at 23:40 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, 11.6 hours before the alert went out and 23 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
- 2 J/kg
- Mixed-layer CIN
- -444 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KOKX 242338 SVROKX NYC059-103-250015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE UPTON NY 738 PM EDT MON MAY 24 2004 THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN NASSAU COUNTY IN SOUTHEAST NEW YORK WEST CENTRAL SUFFOLK COUNTY IN SOUTHEAST NEW YORK * UNTIL 815 PM EDT * AT 736 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR HICKSVILLE...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MELVILLE AND HUNTINGTON STATION AROUND 745 PM DEER PARK AROUND 750 PM DIX HILLS AND 7 MILES SOUTH OF NORTHPORT AROUND 755 PM COMMACK AND BRENTWOOD AROUND 800 PM HAUPPAUGE AND SMITHTOWN AROUND 805 PM RONKONKOMA AROUND 810 PM SOME OTHER LOCATIONS IN THE WARNING INCLUDE BAY SHORE...BROOKVILLE... CENTERPORT...COLD SPRING HARBOR...SAYVILLE AND WOODBURY. IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. $$ REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN UPTON NY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MONDAY EVENING FOR SOUTHERN CONNECTICUT. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM MONDAY EVENING FOR NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK. LAT...LON 4086 7368 4068 7362 4073 7310 4095 7319
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 11:51 AM EDT | Severe Thunderstorm Warning | OKX | Orange | 39 min |
| May 24, 5:22 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 38 min |
| May 24, 6:00 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland, Westchester | 45 min |
| May 24, 6:45 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 45 min |
| May 24, 6:58 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 47 min |
| May 24, 7:03 PM EDT | Special Marine Warning | OKX | 57 min | |
| May 24, 7:04 PM EDT | Special Marine Warning | OKX | 56 min | |
| May 24, 7:55 PM EDT | Special Marine Warning | OKX | 65 min |
Nearby
Severe Thunderstorm Warnings in New York, 2004Every severe thunderstorm warning in 2004
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.