Alert archive / New York / Flash Flood Warnings in 1994
Flash Flood Warning 4, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jul 8, 1994, 4:08 PM EDT for Nassau County, New York. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1994, 4:08 PM EDT (20:08 UTC)
- Expired
- Jul 8, 1994, 5:15 PM EDT
- In force
- 67 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Nassau County, NY
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 8.1 hours before the alert went out and 162 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
- 1722 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1055 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNYC 082009 FFWNYC NYC059-082115- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 408 PM EDT FRI JUL 8 1994 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST NEW YORK ...NASSAU COUNTY SEVERE THUNDERSTORMS WERE MOVING THROUGH EASTERN QUEENS INTO NASSAU COUNTY. THEY WERE MOVING EAST AT 25 MPH. STRONG WINDS IN EXCESS OF 60 MPH CAN BE EXPECTED WITH THESE STORMS. VERY HEAVY RAINS CAN ALSO BE EXPECTED WITH THESE STORMS WITH SEVERAL INCHES OF RAIN POSSIBLE IN A SHORT PERIOD OF TIME CAUSING LOCALLIZED FLOODING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 8, 12:46 PM EDT, 3 hours 22 minutes before
NYZ067>81-NJZ001>014-081800- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST NATIONAL WEATHER SERVICE NEW YORK NY 1245 PM EDT FRI JUL 8 1994 NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED SEVERAL RAPIDLY DEVELOPING THUNDERSTORMS OVER WARREN AND SUSSEX COUNTIES OF NEW JERSEY...AND OVER ORANGE COUNTY NEW YORK...AS WELL AS SULLIVAN COUNTY NEW YORK AND EXTREME NORTHEASTERN PENNSYLVANIA...PARTICULARLY PIKE COUNTY. THE STRONGEST CELLS WERE LOCATED OVER SOUTH CENTRAL ORANGE COUNTY NEAR WARWICK...AND OVER SOUTHERN WARREN COUNTY NEAR PHILIPSBURG. THE THUNDERSTORMS WERE ACCOMPANIED BY VERY HEAVY DOWNPOURS...FREQUENT LIGHTNING...AND POSSIBLY SOME HAIL. THEY WERE MOVING TOWARD THE EAST NORTHEAST AT 30 TO 35 MILES AN HOUR... AND WILL BE MOVING ACROSS ORANGE...SUSSEX...AND WARREN COUNTIES DURING THE NEXT HOUR. EY
Special weather statement, Jul 8, 2:28 PM EDT, 1 hour 40 minutes before
CTZ005-010-081915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 225 PM EDT FRI JUL 8 1994 ...SEVERE THUNDERSTORM WATCH FOR CONNECTICUT UNTIL 800 PM... AT 220 PM...RADAR INDICATED A FEW STRONG THUNDERSTORMS JUST WEST OF FAIRFIELD COUNTY. THE THUNDERSTORMS WERE MOVING EAST AND WILL AFFECT PORTIONS OF FAIRFIELD COUNTY INCLUDING THE GREENWICH...STAMFORD...AND DANBURY AREAS BETWEEN 230 AND 300 PM. STRONG GUSTY WINDS...SMALL HAIL...AND DANGEROUS LIGHTNING MAY BE ASSOCIATED THE THE THUNDERSTORMS. STAY TUNDED TO NOAA WEATHER RADIO...OR YOUR LOCAL RADIO OR TELEVISION STATION FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS ON THESE THUNDERSTORMS. BINGHAM
Special weather statement, Jul 8, 3:15 PM EDT, 53 minutes before
CTZ005-010-081945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 315 PM EDT FRI JUL 8 1994 ...SEVERE THUNDERSTORM WATCH FOR CONNECTICUT UNTIL 800 PM... THE SEVERE THUNDERSTORM WARNING FOR SOUTHWEST FAIRFIELD COUNTY HAS BEEN CANCELLED. THUNDERSTORMS IN THE GREENWICH AND STAMFORD AREAS HAVE DECREASED CONSIDERABLY IN INTENSITY AND ARE NO LONGER A SEVERE THREAT. BINGHAM
Special weather statement, Jul 8, 3:18 PM EDT, 50 minutes before
CTZ005-010-081945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEPORT CT 315 PM EDT FRI JUL 8 1994 ...SEVERE THUNDERSTORM WATCH FOR CONNECTICUT UNTIL 800 PM... THE SEVERE THUNDERSTORM WARNI2NG FOR SOUTHWEST FAIRFIELD COUNTY HAS BEEN CANCELLED. THUNDERSTORMS IN THE GREENWICH AND STAMFORD AREAS HAVE DECREASED CONSIDERABLY IN INTENSITY AND ARE NO LONGER A SEVERE THREAT. BINGHAM
Special weather statement, Jul 8, 4:01 PM EDT, 7 minutes before
NYZ067>81-NJZ001>014-082100- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST NATIONAL WEATHER SERVICE NEW YORK NY 400 PM EDT FRI JUL 8 1994 DOPPLER RADAR SHOWED VERY HEAVY DOWNPOURS ACCOMPANYING THUNDERSTORMS WHICH WERE MOVING RAPIDLY ACROSS THE GREATER NEW YORK CITY METROPOLITAN AREA. THE HEAVIEST RAIN WAS MOVING INTO NASSAU COUNTY. BETWEEN 1 AND 2 INCHES WILL LIKELY FALL IN SPOTS IN THE NEXT HALF HOUR. IN ADDITION TO ALL OF THE THUNDERSTORM lACTIVITY CURRENTLY OCCURRING AROUND THE FORECAST AREA...MORE THUNDERSTORMS WERE OVER EXTREME EASTERN PENNSYLVANIA. THEY WERE MOVUNG EAST ANBD WILL SOON BE OVER WARREN COUNTY NEW JERSEY. SO IT IS NOT OVER YET. EY
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 1:11 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 64 min |
| Jul 8, 1:41 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 64 min |
| Jul 8, 2:16 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 29 min |
| Jul 8, 2:32 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 58 min |
| Jul 8, 3:06 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 39 min |
| Jul 8, 3:28 PM EDT | Flash Flood Warning | OKX | Bronx, Westchester | 62 min |
| Jul 8, 3:28 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Westchester | 62 min |
| Jul 8, 3:45 PM EDT | Flash Flood Warning | OKX | Rockland | 3 hr |
| Jul 8, 4:08 PM EDT | Severe Thunderstorm Warning | OKX | Nassau | 67 min |
Nearby
Flash Flood Warnings in New York, 1994Every flash flood 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.