Alert archive / New York / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 16, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at May 25, 1994, 5:33 PM EDT for Nassau County, Suffolk County, New York. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- May 25, 1994, 5:33 PM EDT (21:33 UTC)
- Expired
- May 25, 1994, 6:30 PM EDT
- In force
- 57 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Nassau County, NY, Suffolk County, NY
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 9.6 hours before the alert went out and 193 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
- 255 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, May 25, 4:38 PM EDT, 55 minutes before
NYZ067>081-NJZ001>014-260300- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 440 PM EDT WED MAY 25 1994 ...UNSETTLED WEATHER WILL CONTINUE THROUGH THURSDAY NIGHT... ...MINOR COASTAL FLOODING IS POSSIBLE DURING HIGH TIDES... A LOW PRESSURE SYSTEM WAS OVER NORTH NEW YORK. A COLD FRONT EXTENDED SOUTHWEST FROM THE LOW TO ANOTHER DEVELOPING LOW PRESSURE SYSTEM OVER THE LOWER GREAT LAKES. WITH A MOIST AND UNSTABLE ATMOSPHERE ALREADY IN PLACE OVER THE LOCAL REGION...PARTIAL AFTERNOON SUNSHINE ALONG WITH AN APPROACHING COLD FRONT CAUSED SHOWERS AND THUNDERSTORMS OVER THE AREA THIS AFTERNOON. TORRENTIAL RAIN AND HAIL HAVE BEEN REPORTED WITH HEAVIER THUNDERSTORMS MOVING OVER THE AREA. AS THE LOW OVER NEW YORK MOVES NORTHEAST...THE COLD FRONT WILL APPROACH THE COAST SLOWLY AND BECOME NEARLY STATIONARY OVER THE COAST DURING THURSDAY AS THE SECOND LOW ADVANCES TOWARD THE REGION AND MOVES DIRECTLY OVER THE AREA EARLY THURSDAY NIGHT. AN ADDITIONAL ROUND OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING TORRENTIAL RAIN...HAIL AND STRONG GUSTY WINDS IS FORECAST DURING THURSDAY AFTERNOON WITH THIS APPROACHING LOW. ONCE THIS LOW MOVES EAST OF THE AREA...RAIN WILL GRADUALLY TAPER OFF AND END DURING THURSDAY NIGHT. A HUGE AREA OF HIGH PRESSURE FROM CANADA WILL BUILD SLOWLY SOUTHEAST ACROSS THE AREA STARTING FRIDAY...SETTING UP A FAIR BUT COOL START TO THE MEMORIAL DAY WEEKEND. ADDITIONALLY...MINOR COASTAL FLOODING IS STILL POSSIBLE WITH THE OCCURRENCE OF THE NEXT HIGH TIDES ACROSS THE LOCAL AREA. WITH THE NEW MOON OCCURRING YESTERDAY...ASTRONOMICAL VALUES ARE HIGHEST TODAY FOR THE MONTH OF MAY. GTC
Special weather statement, May 25, 4:40 PM EDT, 53 minutes before
NYZ067>081-NJZ001>014-260300- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 440 PM EDT WED MAY 25 1994 ...UNSETTLED WEATHER WILL CONTINUE THROUGH THURSDAY NIGHT... ...MINOR COASTAL FLOODING IS POSSIBLE DURING HIGH TIDES... A LOW PRESSURE SYSTEM WAS OVER NORTH NEW YORK. A COLD FRONT EXTENDED SOUTHWEST FROM THE LOW TO ANOTHER DEVELOPING LOW PRESSURE SYSTEM OVER THE LOWER GREAT LAKES. WITH A MOIST AND UNSTABLE ATMOSPHERE ALREADY IN PLACE OVER THE LOCAL REGION...PARTIAL AFTERNOON SUNSHINE ALONG WITH AN APPROACHING COLD FRONT CAUSED SHOWERS AND THUNDERSTORMS OVER THE AREA THIS AFTERNOON. TORRENTIAL RAIN AND HAIL HAVE BEEN REPORTED WITH HEAVIER THUNDERSTORMS MOVING OVER THE AREA. AS THE LOW OVER NEW YORK MOVES NORTHEAST...THE COLD FRONT WILL APPROACH THE COAST SLOWLY AND BECOME NEARLY STATIONARY OVER THE COAST DURING THURSDAY AS THE SECOND LOW ADVANCES TOWARD THE REGION AND MOVES DIRECTLY OVER THE AREA EARLY THURSDAY NIGHT. AN ADDITIONAL ROUND OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING TORRENTIAL RAIN...HAIL AND STRONG GUSTY WINDS IS FORECAST DURING THURSDAY AFTERNOON WITH THIS APPROACHING LOW. ONCE THIS LOW MOVES EAST OF THE AREA...RAIN WILL GRADUALLY TAPER OFF AND END DURING THURSDAY NIGHT. A HUGE AREA OF HIGH PRESSURE FROM CANADA WILL BUILD SLOWLY SOUTHEAST ACROSS THE AREA STARTING FRIDAY...SETTING UP A FAIR BUT COOL START TO THE MEMORIAL DAY WEEKEND. ADDITIONALLY...MINOR COASTAL FLOODING IS STILL POSSIBLE WITH THE OCCURRENCE OF THE NEXT HIGH TIDES ACROSS THE LOCAL AREA. WITH THE NEW MOON OCCURRING YESTERDAY...ASTRONOMICAL VALUES ARE HIGHEST TODAY FOR THE MONTH OF MAY. GTC
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 4:30 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 60 min |
| May 25, 6:10 PM EDT | Severe Thunderstorm Warning | OKX | Monmouth | 65 min |
| May 25, 6:16 PM EDT | Severe Thunderstorm Warning | OKX | Hunterdon, Somerset | 59 min |
| May 25, 6:39 PM EDT | Severe Thunderstorm Warning | OKX | Middlesex | 66 min |
| May 25, 3:53 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 67 min |
| May 25, 5:20 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens | 55 min |
| May 25, 5:20 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 55 min |
| May 25, 4:43 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 62 min |
| May 25, 6:03 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region | 27 min |
Nearby
Severe Thunderstorm Warnings in New York, 1994Every severe thunderstorm warning in 1994
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.