Alert archive / New York / Flash Flood Warnings in 1999
Flash Flood Warning 16, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jan 15, 1999, 8:53 AM EST for Richmond County, New York. It was in force for 5 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, 8:53 AM EST (13:53 UTC)
- Expired
- Jan 15, 1999, 2:00 PM EST
- In force
- 5 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Richmond County, NY
The radar
The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 13:52 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 1.9 hours before the alert went out and 113 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 151352 FFWNYC NJC013-017-039-NYC005-047-059-061-081-085-103-151900- BULLETIN - EAS ACTIVIATION/IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 853 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 NEW YORK BRONX RICHMOND KINGS QUEENS NASSAU SUFFOLK AND IN NORTHEAST NEW JERSEY ESSEX HUDSON UNION * UNTIL 200 PM EST * AT 845 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES HEAVY RAINS WILL CONTINUE TO MOVE NORTHEAST ACROSS THE AREA INTO EARLY THIS AFTERNOON. THESE RAINS WILL PRODUCE WIDESPREAD ROADWAY FLOODING AND SIGNIFICANT PONDING OF WATER IN POOR DRAINAGE AND LOW-LYING AREAS. * DO NOT DRIVE YOUR AUTOMOBILE THROUGH FLOODED ROADWAYS OR UNDERPASSES. NEVER DRIVE THROUGH WATER OF UNKNOWN DEPTH. YOU ENDANGER THE LIVES OF ALL OCCUPANTS IN YOUR VEHICLE. FIND AN ALTERNATE ROUTE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO SEE PONDING WATER ON THE ROADWAY. IAA/SDR &
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 8 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 8 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 | Nassau, Queens, Suffolk | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | New York | 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, 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, 9:41 AM EST | Flash Flood Warning | OKX | Rockland | 4 hr |
| Jan 15, 10:35 AM EST | Flash Flood Warning | OKX | Westchester | 4 hr |
Nearby
Flash 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; radar from the NEXRAD Level II archive.