Alert archive / New Jersey / Flash Flood Warnings in 1999
Flash Flood Warning 18, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jan 15, 1999, 9:41 AM EST for Bergen County, Passaic County, New Jersey; Rockland County, New York. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 15, 1999, 9:41 AM EST (14:41 UTC)
- Expired
- Jan 15, 1999, 2:00 PM EST
- In force
- 4 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Bergen County, NJ, Passaic County, NJ, Rockland County, NY
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.7 hours before the alert went out and 108 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
- 370 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 396 m²/s²
- 0-3 km storm-relative helicity
- 431 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 151440 FFWNYC CTC001-009-NJC003-031-NYC087-119-151840- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 941 AM EST FRI JAN 15 1999 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR... THE FOLLOWING COUNTIES IN SOUTHEAST NEW YORK SOUTHERN ROCKLAND SOUTHERN WESTCHESTER IN NORTHEAST NEW JERSEY BERGEN COUNTY EASTERN PASSAIC IN SOUTHWEST CONNECTICUT SOUTHERN FAIRFIELD SOUTHERN NEW HAVEN * UNTIL 200 PM EST * AT 9:30 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINS WERE MOVING ACROSS SECTIONS OF NORTHERN NEW JERSEY...SOUTHEAST NEW YORK STATE AND SOUTHWEST CONNECTICUT. WIDESPREAD FLOODING OF ROADWAYS AND SIGNIFICANT PONDING OF WATER IN POOR DRAINAGE AND LOW-LYING AREAS CAN BE EXPECTED. * DO NOT DRIVE THROUGH FLOODED ROADWAYS OR UNDERPASSES. NEVER DRIVE THROUGH WATER OF UNKNOWN DEPTH...pFIND AN ALTERNATE ROUTE. IF YOU LIVE NEAR A STREAM AND EXPERIENCE RISING WATER LEVELS... MOVE TO HIGHER GROUND IMMEDIATELY. MEW/IAA
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, Jan 15, 4:45 AM EST, 4 hours 56 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-151630- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 445 AM EST FRI JAN 15 1999 ...THE NATIONAL WEATHER SERVICE CONTINUES THE WINTER STORM WARNING FOR ORANGE...PUTNAM COUNTIES NEW YORK AND WESTERN PASSAIC COUNTY NEW JERSEY THROUGH THIS MORNING... ...THE NATIONAL WEATHER SERVICE HAS ISSUED A WINTER WEATHER ADVISORY FOR BERGEN...EASTERN PASSAIC...ESSEX AND UNION COUNTIES NEW JERSEY AND FAIRFIELD...NEW HAVEN...MIDDLESEX AND NEW LONDON COUNTIES OF CONNECTICUT FOR THIS MORNING... ...THE NATIONAL WEATHER SERVICE CONTINUES THE FLASH FLOOD WATCH FOR THE ENTIRE REGION THROUGH EARLY THIS AFTERNOON... A STRONG STORM...OR LOW PRESSURE SYSTEM...WAS MOVING INTO THE CHESAPEAKE BAY REGION. IT WILL MOVE INTO NEW ENGLAND BY MID AFTERNOON. RAIN...HEAVY AT TIMES...WILL REMAIN ACROSS THE REGION UNTIL THE LOW MOVES THROUGH THE REGION. WARM AIR JUST ABOVE THE SURFACE...WAS MELTING THE PRECIPITATION TO RAIN. MOST NEAR THE NEW YORK AND LONG ISLAND COAST LINES WILL SEE MOSTLY RAIN THIS MORNING. BUT IN PLACES INLAND THE COLD AIR WILL BE SLOWER TO MOVE OUT. AS A RESULT...THE RAIN WILL FREEZE ON CONTACT. SIGNIFICANT ICE ACCUMULATIONS ARE PROBABLE IN THE WARNING AREAS. ICE ACCUMULATIONS OF UP TO ONE QUARTER INCH ARE LIKELY BEFORE THE CHANGE OVER TO PLAIN RAIN IN THE ADVISORY AREAS. WE CAN EXPECT ANYWHERE FROM THREE-QUARTERS OF AN INCH TO ONE INCH RAINFALL THIS MORNING. TAKE THIS RAIN AMOUNT...WITH THE MELTING SNOW AND ICE...AND FLASH FLOODS ARE POSSIBLE...AT LEAST THROUGH EARLY AFTERNOON. FLASH FLOOD POTENTIAL IS ESPECIALLY HIGH ACROSS LOW LYING PARKWAYS AND IN AREAS OF POOR DRAINAGE. SMALL STREAMS MAY BRIEFLY OVERFLOW THEIR BANKS AS WELL. THE RAIN WILL END BY EARLY TO MID AFTERNOON AS THAT LOW PRESSURE SYSTEM MOVES INTO NEW ENGLAND. THE ROADS ARE MOST LIKELY SLOPPY IN COASTAL SECTIONS WITH MELTING SNOW AND RAIN. THEY ARE PROBABLY DANGEROUSLY SLICK IN THE WARNING AREAS. THUS IF YOU HAVE TO DRIVE THIS MORNING...LEAVE EARLY AND DRIVE SLOWLY. WOOLDRIDGE
Special weather statement, Jan 15, 4:45 AM EST, 4 hours 56 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-151630- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 445 AM EST FRI JAN 15 1999 ...THE NATIONAL WEATHER SERVICE CONTINUES THE WINTER STORM WARNING FOR ORANGE...PUTNAM COUNTIES NEW YORK AND WESTERN PASSAIC COUNTY NEW JERSEY THROUGH THIS MORNING... ...THE NATIONAL WEATHER SERVICE HAS ISSUED A WINTER WEATHER ADVISORY FOR BERGEN...EASTERN PASSAIC...ESSEX AND UNION COUNTIES NEW JERSEY AND FAIRFIELD...NEW HAVEN...MIDDLESEX AND NEW LONDON COUNTIES OF CONNECTICUT FOR THIS MORNING... ...THE NATIONAL WEATHER SERVICE CONTINUES THE FLASH FLOOD WATCH FOR THE ENTIRE REGION THROUGH EARLY THIS AFTERNOON... A STRONG STORM...OR LOW PRESSURE SYSTEM...WAS MOVING INTO THE CHESAPEAKE BAY REGION. IT WILL MOVE INTO NEW ENGLAND BY MID AFTERNOON. RAIN...HEAVY AT TIMES...WILL REMAIN ACROSS THE REGION UNTIL THE LOW MOVES THROUGH THE REGION. WARM AIR JUST ABOVE THE SURFACE...WAS MELTING THE PRECIPITATION TO RAIN. MOST NEAR THE NEW YORK AND LONG ISLAND COAST LINES WILL SEE MOSTLY RAIN THIS MORNING. BUT IN PLACES INLAND THE COLD AIR WILL BE SLOWER TO MOVE OUT. AS A RESULT...THE RAIN WILL FREEZE ON CONTACT. SIGNIFICANT ICE ACCUMULATIONS ARE PROBABLE IN THE WARNING AREAS. ICE ACCUMULATIONS OF UP TO ONE QUARTER INCH ARE LIKELY BEFORE THE CHANGE OVER TO PLAIN RAIN IN THE ADVISORY AREAS. WE CAN EXPECT ANYWHERE FROM THREE-QUARTERS OF AN INCH TO ONE INCH RAINFALL THIS MORNING. TAKE THIS RAIN AMOUNT...WITH THE MELTING SNOW AND ICE...AND FLASH FLOODS ARE POSSIBLE...AT LEAST THROUGH EARLY AFTERNOON. FLASH FLOOD POTENTIAL IS ESPECIALLY HIGH ACROSS LOW LYING PARKWAYS AND IN AREAS OF POOR DRAINAGE. SMALL STREAMS MAY BRIEFLY OVERFLOW THEIR BANKS AS WELL. THE RAIN WILL END BY EARLY TO MID AFTERNOON AS THAT LOW PRESSURE SYSTEM MOVES INTO NEW ENGLAND. THE ROADS ARE MOST LIKELY SLOPPY IN COASTAL SECTIONS WITH MELTING SNOW AND RAIN. THEY ARE PROBABLY DANGEROUSLY SLICK IN THE WARNING AREAS. THUS IF YOU HAVE TO DRIVE THIS MORNING...LEAVE EARLY AND DRIVE SLOWLY. WOOLDRIDGE
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Essex, Union | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Hudson | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Nassau, Queens, Suffolk | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Bronx | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Kings | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Richmond | 5 hr |
| Jan 15, 9:19 AM EST | Severe Thunderstorm Warning | OKX | Suffolk | 61 min |
| Jan 15, 9:41 AM EST | Flash Flood Warning | OKX | Westchester | 4 hr |
| Jan 15, 10:35 AM EST | Flash Flood Warning | OKX | Westchester | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 1999Flash Flood Warnings in New York, 1999Every flash flood warning in 1999
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.