Alert archive / New York / Flash Flood Warnings in 1995
Flash Flood Warning 19, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jul 18, 1995, 1:35 AM EDT for Nassau County, New York. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1995, 1:35 AM EDT (05:35 UTC)
- Expired
- Jul 18, 1995, 4:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Nassau County, NY
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 5.6 hours before the alert went out and 62 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
- 42 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 44 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 flash flood 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, Jul 17, 10:44 PM EDT, 2 hours 51 minutes before
NYZ067>081-NJZ001>014-180900- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR SOUTHEAST NEW YORK...NORTH NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 1040 PM EDT MON JUL 18 1995 ...A FLOOD WATCH IS IN EFFECT FOR NORTH NEW JERSEY TONIGHT... A FLOOD WATCH WAS ISSUED TONIGHT FOR THE FOLLOWING COUNTIES IN NORTH NEW JERSEY...SUSSEX...WARREN...HUNTERDON...PASSAIC...MORRIS.... SOMERSET...BERGEN...ESSEX...HUDSON...UNION...MIDDLESEX AND MONMOUTH. SHOWERS AND THUNDERSTORMS AHEAD OF A SLOW MOVING COLD FRONT OVER THE EASTERN GREAT LAKES WILL CONTINUE TO PRODUCE HEAVY RAINFALL OVER THE AREA. EARLIER...SLOW MOVING THUNDERSTORMS PRODUCED OVER AN INCH OF RAIN /1.51 IN CORNWALL AND 1.25 IN WARWICK OF ORANGE COUNTY/NEW YORK/ IN LESS THAN 1 HOUR. SLOW MOVING SHOWERS AND THUNDERSTORMS WILL PRODUCE UP TO 3 INCHES OR MORE OF RAIN ACROSS PARTS OF THE AREA TONIGHT. AS THE FRONT STRUGGLES EASTWARD OVER THE AREA BY TUESDAY EVENING...SCATTERED SHOWERS AND THUNDERSTORMS WILL REDEVELOP IN A MOIST AND UNSTABLE AIRMASS. WEATHER CONDITIONS WILL GRADUALLY IMPROVE TUESDAY NIGHT...AS THE FRONT MOVES OFF THE COAST. WEST WINDS WILL BEGIN TRANSPORTING DRYER AIR ACROSS THE REGION TUESDAY NIGHT...WHICH WILL SET THE STAGE FOR A BRIGHT AND DRY WEDNESDAY. GC
Special weather statement, Jul 18, 12:33 AM EDT, 1 hour 2 minutes before
NYZ067>081-NJZ001>014-CTZ005>012-180830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 1230 AM EDT TUE JUL 17 1995 ...FLOODING CONTINUEING OVER THE REGION... AT 1220 AM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW CLUSTERS OF SLOW MOVING THUNDERSTORMS OVER THE AREA. THESE THUNDERSTORMS HAVE HAD A HISTORY OF PRODUCING TORRENTIAL RAINS IN EXCESS OF TWO INCHES AN HOUR RESULTING IN WIDESPREAD FLASH FLOODING. THE FOLLOWING FLASH FLOOD WARNING ARE STILL IN EFFECT AT THIS TIME. ESSEX...HUDSON AND UNION COUNTIES OF NEW JERSEY UNTIL 115 AM EDT... SOUTHERN BERGEN COUNTY OF NEW JERSEY UNTIL 145 AM EDT... BRONX...KINGS...NASSAU...NEW YORK AND QUEENS COUNTIES OF SOUTHEAST NEW YORK UNTIL 145 AM EDT... WESTERN SUFFOLK COUNTY OF NEW YORK UNTIL 2AM EDT... WIDESPREAD STREET FLOODING HAS BEEN REPORTED WITH MANY ROADS CLOSED DUE TO HIGH WATER. THE BROOKLYN-QUEENS EXPRESSWAY IS CLOSED AS OF THIS TIME. OTHER ROAD CLOSURES INCLUDE 60TH STREET AND THE WESTSIDE HIGHWAY AND THE NORTHERN STATE PARKWAY BETWEEN EXITS 34 AND 38. HEAVY RAIN IS STILL POSSIBLE FOR THE NEXT SEVERAL HOURS. DO NOT ATTEMPT TO CROSS ROADWAYS...DIPS OR LOW SPOTS WHERE WATER COVERS THE ROAD. IF FLASH FLOODING IS OCCURRING...MOVE UP TO HIGHER GROUND. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO OR YOUR LOCAL COMMERCIAL TELEVISION AND RADIO STATION FOR THE LATEST WEATHER INFORMATION. GOUDSWARD
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 9:33 PM EDT | Severe Thunderstorm Warning | OKX | Rockland, Westchester | 57 min |
| Jul 17, 9:33 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 57 min |
| Jul 17, 11:48 PM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens | 117 min |
| Jul 17, 11:48 PM EDT | Flash Flood Warning | OKX | Bronx, New York | 117 min |
| Jul 18, 12:02 AM EDT | Flash Flood Warning | OKX | Suffolk | 118 min |
| Jul 18, 1:35 AM EDT | Flash Flood Warning | OKX | Kings, Queens | 3 hr |
| Jul 18, 1:35 AM EDT | Flash Flood Warning | OKX | Bronx, New York | 3 hr |
| Jul 18, 1:45 AM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
Nearby
Flash Flood Warnings in New York, 1995Every flash flood warning in 1995
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.