Alert archive / New York / Flash Flood Warnings in 1990
Flash Flood Warning 16, NWS New York, NY
NWS New York, NY issued this flash flood warning at Oct 24, 1990, 1:45 AM EDT for Westchester County, New York. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 24, 1990, 1:45 AM EDT (05:45 UTC)
- Expired
- Oct 24, 1990, 5:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Westchester County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Albany, NY (KALB), launched 00:00Z, 5.8 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 347 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 240554 COR FFWNYC NYC119-240800- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 145 AM EDT WED OCT 24 1990...CORRECTION FOR UGC EXPIRATION TIME THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 4 AM EDT WEDNESDAY MORNING FOR PERSONS IN THE FOLLOWING COUNTY IN THE STATE OF NEW YORK WESTCHESTER HEAVY RAINS OF AROUND 2 INCHES HAVE PUSHED SMALL STREAMS AND RIVERS OVER THEIR BANKFULL IN WESTCHESTER COUNTY. WHILE THE RAIN HAS TAPERED OFF AND ENDED IN MOST PARTS OF THE COUNTY...SECTIONS OF THE SAW MILL AND HUTCHINSON RIVER PARKWAYS REMAIN CLOSED DUE TO FLOODING FROM THEIR ADJACENT RIVERS. ALSO THERE IS PROBABLY SOME PONDING OF WATER IN OTHER POOR DRAINAGE AREAS ACROSS THE COUNTY. A FLOOD WARNING MEANS FLOODING IS OCCURRING OR IMMINENT. IF YOU SEE FLOOD WATERS APPROACHING YOU...PLEASE MOVE TO HIGHER GROUND QUICKLY. DO NOT ATTEMPT TO WALK OR DRIVE THROUGH FLOODED AREAS...IT CAN )COST YOU YOUR LIFE. GIGI
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, Oct 23, 9:59 PM EDT, 3 hours 46 minutes before
CTZALL-240300- SPECIAL WEATHER STATEMENT RERUN NATIONAL WEATHER SERVICE BRIDGEP0RT CONNECTICUT 908 PM EDT TUE OCT 23 1990 ...AN URBAN FLOOD ADVISORY IN EFFECT FOR CONNECTICUT OVERNIGHT. MOSTLY LIGHT RAIN WAS FALLING IN THE BRIDGEPORT AND NEW HAVEN AREA AS OF 9 PM. HOWEVER IN THE PAST SIX HOURS IN THE FAIRFIELD...NEW HAVEN AND MIDDLESEX COUNTIES RAINFALL AMOUNTS RANGED FROM .63 OF AN INCH IN WALLINGFORD TO 1.74 INCHES AT STEVENSON. SCATTERED AREAS OF HEAVIER RAIN ALONG WITH SOME THUNDERSTORMS WILL BE PASSING THROUGH THE REGION OVERNIGHT AND THIS WILL CAUSE FLOODING OF ROADS AND POOR DRAINAGE AREAS. THE RAIN SHOULD END EARLY WEDNESDAY... THEN BECOME PARTLY SUNNY IN THE AFTERNOON. HAZZARD
Special weather statement, Oct 23, 10:40 PM EDT, 3 hours 5 minutes before
NJZ001-005-007-015-NYZ014>017-240300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY FOR EXTREME SOUTHEAST NEW YORK...NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 1030 PM EDT TUE OCT 23 1990 A LARGE AREA OF MOSTLY LIGHT RAIN WAS OVER THE LOWER HUDSON VALLEY OF NEW YORK STATE...WESTERN CONNECTICUT...THE WESTERN HALF OF LONG ISLAND...THE METROPOLITAN AREA...MOST OF NORTHERN AND CENTRAL NEW JERSEY...AND OVER THE OCEAN OUT TO 135 MILES SOUTHEAST OF NEW YORK CITY. THERE WAS ALSO SOME LIGHT RAIN SCATTERED OVER SOUTHWESTERN MASSACHUSETTS... EASTERN CONNECTICUT...SOUTHERN RHODE ISLAND...AND EASTERN PENNSYLVANIA. EMBEDDED IN THIS BROAD AREA OF LIGHT RAIN WERE SCATTERED PATCHES OF HEAVIER RAIN. THERE WAS ALSO A THUNDERSTORM WITH HEAVY RAIN OVER THE OCEAN OFF THE NORTHERN NEW JERSEY COAST. MOVEMENT WAS TO THE NORTH FROM 25 TO 30 MILES AN HOUR. EL
Special weather statement, Oct 23, 11:23 PM EDT, 2 hours 22 minutes before
CTZALL-240430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BRIDGEP0RT CONNECTICUT 1122 PM EDT TUE OCT 23 1990 ...AN URBAN FLOOD ADVISORY IN EFFECT FOR CONNECTICUT OVERNIGHT. RAIN WAS STILL FALLING ACROSS MOST OF CONNECTICUT AS OF 1115 PM. SOUTHWESTERN PART OF THE SATE HAS SEEN HEAVY RAINFALL ON AND OFF FROM 2 PM. SOME REPORTS IN THIS AREA AS OF 10 PM HAD SAUGATUCK WITH 2.20 INCHES. A CALL AT 1030 PM TO THE STAMFORD POLICE HAD THE RIPPOWAM RIVER ABOUT 1 FOOT BELOW THE BANKS. PERSONS IN THIS AREA AS WELL AS THE REST OF FAIRFIELD AND NEW HAVEN COUNTIES SHOULD KEEP UP ON ANY CHANGE IN CONDITIONS THAT MAY BE ISSUED BY THE NATIONAL WEATHER SERVICE. MOST OTHER AREAS REPORT ONLY ROADaWAY FLOODING. THE NATIONAL WEATHER SERVICE OFFICE AT BRIDGEPORT HAD 1.60 INCHES FROM 2 PM THIS AFTERNOON. HAZZARD
Special weather statement, Oct 23, 11:40 PM EDT, 2 hours 5 minutes before
NJZ001-005-007-015-NYZ014>017-240300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY FOR EXTREME SOUTHEAST NEW YORK...NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 1130 PM EDT TUE OCT 23 1990 A LARGE AREA OF MOSTLY LIGHT RAIN WAS OVER THE LOWER HUDSON VALLEY AND THE CATSKILL MOUNTAINS OF NEW YORK STATE...SOUTHWESTERN MASSACHUSETTS... WESTERN CONNECTICUT...MOST OF LONG ISLAND...THE METROPOLITAN AREA...AND MUCH OF NORTHERN AND CENTRAL NEW JERSEY. THIS AREA OF RAIN EXTENDED OUT OVER THE OCEAN SOUTH OF LONG ISLAND FOR ABOUT 150 MILES. THERE WERE ALSO SOME SCATTERED AREAS OF RAIN OVER SOUTHEASTERN MASSACHUSETTS AND EASTERN CONNECTICUT. EMBEDDED IN THIS BROAD AREA OF RAIN WERE SCATTERED PATCHES OF HEAVIER RAIN ...AND THERE WAS A THUNDERSTORM WITH HEAVY RAIN OVER THE OCEAN 30 MILES SOUTH OF THE WESTERN END OF LONG ISLAND. MOVEMENT WAS TO THE NORTH AT 25 MILES AN HOUR. EL
Special weather statement, Oct 24, 12:26 AM EDT, 1 hour 19 minutes before
NJZ001-005-007-015-NYZ014>017-240300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY FOR EXTREME SOUTHEAST NEW YORK...NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 1230 AM EDT WED OCT 24 1990 NEW YORK CITY RADAR IS NON OPERATIONAL AT THE PRESENT TIME. OTHER WEATHER SERVICE RADAR AND SURFACE OBSERVATIONS SHOWEDTHE FOLLOWING: A LARGE AREA OF MOSTLY LIGHT RAIN OVER THE LOWER HUDSON VALLEY AND THE CATSKILL MOUNTAINS OF NEW YORK STATE...SOUTHWESTERN MASSACHUSETTS... WESTERN CONNECTICUT...MOST OF LONG ISLAND...THE METROPOLITAN AREA...AND MUCH OF NORTHERN AND CENTRAL NEW JERSEY. THIS AREA OF RAIN EXTENDED OUT OVER THE OCEAN SOUTH OF LONG ISLAND FOR ABOUT 150 MILES. THERE WERE ALSO SOME SCATTERED AREAS OF RAIN OVER SOUTHEASTERN MASSACHUSETTS AND EASTERN CONNECTICUT. MOVEMENT WAS TO THE NORTH AT 25 MILES AN HOUR. MIESELL /
Special weather statement, Oct 24, 1:44 AM EDT, 1 minute before
NJZ001-005-007-015-NYZ014>017-240300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY FOR EXTREME SOUTHEAST NEW YORK...NORTHERN NEW JERSEY AND LONG ISLAND NATIONAL WEATHER SERVICE NEW YORK NY 130 AM EDT WED OCT 24 1990 A LARGE AREA OF MOSTLY LIGHT RAIN WAS OVER THE HUDSON VALLEY OF NEW YORK STATE...CONNECTICUT...SCATTERED OVER SOUTHERN MASSACHUSETTS ...RHODE ISLAND AND OVER THE OCEAN 50 MILES SOUTHEAST OF MONTAUK POINT ON LONG ISLAND. MOVEMENT WAS TO THE NORTH NORTHEAST AT 20 MPH. MIESELL /
Nearby
Flash Flood Warnings in New York, 1990Every flash flood warning in 1990
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.