Alert archive / New York / Flash Flood Warnings in 1998
Flash Flood Warning 26, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 26, 1998, 4:49 PM EDT for Suffolk County, New York. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 26, 1998, 4:49 PM EDT (20:49 UTC)
- Expired
- Jun 26, 1998, 5:50 PM EDT
- In force
- 61 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Suffolk County, NY
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.8 hours before the alert went out and 17 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
- 1487 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1217 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNYC 262051 FFWNYC NYC103-262150- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 449 PM EDT FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN AND CENTRAL SUFFOLK COUNTY IN SOUTHEASTERN NEW YORK * UNTIL 550 PM EDT * AT 445 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS WESTERN AND CENTRAL SUFFOLK COUNTY... MOVING EAST AROUND 25 MPH. * DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. GC
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, Jun 26, 11:15 AM EDT, 5 hours 34 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-270000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW YORK NY 1115 AM EDT FRI JUN 26 1998 ANY THUNDERSTORMS THAT MOVE INTO OR DEVELOP OVER THE LOCAL AREA THIS AFTERNOON...EVENING AND TONIGHT WILL HAVE THE CAPABILITY OF PRODUCING STRONG GUSTY WINDS...LARGE HAIL...TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING. HIGH PRESSURE ANCHORED OVER THE SOUTHEASTERN STATES CONTINUES TO PUMP HOT...HUMID AND UNSTABLE AIR NORTHWARD INTO OUR REGION. AN AREA OF LOW PRESSURE OVER THE GREAT LAKES THIS MORNING AND A COLD FRONT WAS OVER EASTERN CANADA. THE LOW WILL MOVE EAST ACROSS UPSTATE NEW YORK AND SOUTHERN NEW ENGLAND THIS AFTERNOON INTO SATURDAY WHILE THE COLD FRONT MOVES GRADUALLY SOUTH. THE CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AS WE HEAD INTO THE EVENING AND NIGHTTIME HOURS AS THE LOW AND COLD FRONT GET CLOSER TO THE LOCAL AREA. ANY TORRENTIAL RAINS THAT OCCUR WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOCALIZED STREET AND HIGHWAY FLOODING IN LOW LYING AND FLOOD PRONE AREAS. PLEASE STAY KEEP TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST ON THIS DEVELOPING SEVERE WEATHER SITUATION. YOU CAN KEhEP INFORMED BY VISITING OUR HOME PAGE AT WWW.NWS.BNL.GOV IAA
Special weather statement, Jun 26, 11:15 AM EDT, 5 hours 34 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-270000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW YORK NY 1115 AM EDT FRI JUN 26 1998 ANY THUNDERSTORMS THAT MOVE INTO OR DEVELOP OVER THE LOCAL AREA THIS AFTERNOON...EVENING AND TONIGHT WILL HAVE THE CAPABILITY OF PRODUCING STRONG GUSTY WINDS...LARGE HAIL...TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING. HIGH PRESSURE ANCHORED OVER THE SOUTHEASTERN STATES CONTINUES TO PUMP HOT...HUMID AND UNSTABLE AIR NORTHWARD INTO OUR REGION. AN AREA OF LOW PRESSURE OVER THE GREAT LAKES THIS MORNING AND A COLD FRONT WAS OVER EASTERN CANADA. THE LOW WILL MOVE EAST ACROSS UPSTATE NEW YORK AND SOUTHERN NEW ENGLAND THIS AFTERNOON INTO SATURDAY WHILE THE COLD FRONT MOVES GRADUALLY SOUTH. THE CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AS WE HEAD INTO THE EVENING AND NIGHTTIME HOURS AS THE LOW AND COLD FRONT GET CLOSER TO THE LOCAL AREA. ANY TORRENTIAL RAINS THAT OCCUR WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOCALIZED STREET AND HIGHWAY FLOODING IN LOW LYING AND FLOOD PRONE AREAS. PLEASE STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST ON THIS DEVELOPING SEVERE WEATHER SITUATION. YOU CAN KEEP INFORMED BY VISITING OUR HOME PAGE AT WWW.NWS.BNL.GOV IAA
Special weather statement, Jun 26, 11:15 AM EDT, 5 hours 34 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-270000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW YORK NY 1115 AM EDT FRI JUN 26 1998 ANY THUNDERSTORMS THAT MOVE INTO OR DEVELOP OVER THE LOCAL AREA THIS AFTERNOON...EVENING AND TONIGHT WILL HAVE THE CAPABILITY OF PRODUCING STRONG GUSTY WINDS...LARGE HAIL...TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING. HIGH PRESSURE ANCHORED OVER THE SOUTHEASTERN STATES CONTINUES TO PUMP HOT...HUMID AND UNSTABLE AIR NORTHWARD INTO OUR REGION. AN AREA OF LOW PRESSURE OVER THE GREAT LAKES THIS MORNING AND A COLD FRONT WAS OVER EASTERN CANADA. THE LOW WILL MOVE EAST ACROSS UPSTATE NEW YORK AND SOUTHERN NEW ENGLAND THIS AFTERNOON INTO SATURDAY WHILE THE COLD FRONT MOVES GRADUALLY SOUTH. THE CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AS WE HEAD INTO THE EVENING AND NIGHTTIME HOURS AS THE LOW AND COLD FRONT GET CLOSER TO THE LOCAL AREA. ANY TORRENTIAL RAINS THAT OCCUR WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOCALIZED STREET AND HIGHWAY FLOODING IN LOW LYING AND FLOOD PRONE AREAS. PLEASE STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST ON THIS DEVELOPING SEVERE WEATHER SITUATION. YOU CAN KEEP INFORMED BY VISITING OUR HOME PAGE AT WWW.NWS.BNL.GOV IAA
Special weather statement, Jun 26, 3:30 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 330 PM EDT FRI JUN 26 1998 THE HEAT AND HUMIDITY WILL CONTINUE TONIGHT BUT IT WILL BEGIN TO BREAK SATURDAY WITH SUNDAY BEING MUCH COOLER. HEAT INDICES THROUGH THIS EVENING WILL BE AROUND 100 DEGREES IN THE NEW YORK METRO AREA AND ACROSS NORTHEASTERN NEW JERSEY WITH INDICES IN THE 90S ACROSS THE REST OF THE LOCAL AREA. A COLD FRONT WILL MOVE SOUTH AND AREA OF LOW PRESSURE WILL MOVE EAST ACROSS NEW YORK STATE AND NEW ENGLAND TONIGHT AND SATURDAY MORNING. WITH A HOT...HUMID AND UNSTABLE AIRMASS IN PLACE SHOWERS AND THUNDERSTORMS WILL BE TRIGGERED ACROSS THE AREA. ANY THUNDERSTORMS THAT MOVE INTO OR DEVELOP INTO THE AREA WILL HAVE THE CAPABILITY TO PRODUCE VERY HEAVY RAINS...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND HAIL. HEAVY RAINS WILL CAUSE LOCALIZED STREET AND HIGHWAY FLOODING IN LOW LYING AND POOR DRAINAGE AREAS. PLEASE KEEP ABREAST TO THE LATEST CONDITIONS. THE COLD FRONT WILL MOVE SOUTH OF LONG ISLAND SATURDAY AFTERNOON AND THE LOW WILL MOVE OFF THE SOUTHERN NEW ENGLAND COAST. THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS MAINLY IN THE MORNING WHILE THE COLD FRONT IS MOVING THROUGH. WITH THE PASSAGE OF THE FRONT LESS HUMID AND COOLER AIR WILL GRADUALLY FILTER INTO THE AREA. HIGH PRESSURE WILL BUILD INTO THE REGION SATURDAY NIGHT AND SUNDAY RESULTING IN COOLER AND LESS HUMID WEATHER TO CLOSE OUT THE WEEKEND. HIGHS SUNDAY WILL ONLY BE IN THE 70S. IAA
Special weather statement, Jun 26, 3:30 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 330 PM EDT FRI JUN 26 1998 THE HEAT AND HUMIDITY WILL CONTINUE TONIGHT BUT IT WILL BEGIN TO BREAK SATURDAY WITH SUNDAY BEING MUCH COOLER. HEAT INDICES THROUGH THIS EVENING WILL BE AROUND 100 DEGREES IN THE NEW YORK METRO AREA AND ACROSS NORTHEASTERN NEW JERSEY WITH INDICES IN THE 90S ACROSS THE REST OF THE LOCAL AREA. A COLD FRONT WILL MOVE SOUTH AND AREA OF LOW PRESSURE WILL MOVE EAST ACROSS NEW YORK STATE AND NEW ENGLAND TONIGHT AND SATURDAY MORNING. WITH A HOT...HUMID AND UNSTABLE AIRMASS IN PLACE SHOWERS AND THUNDERSTORMS WILL BE TRIGGERED ACROSS THE AREA. ANY THUNDERSTORMS THAT MOVE INTO OR DEVELOP INTO THE AREA WILL HAVE THE CAPABILITY TO PRODUCE VERY HEAVY RAINS...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND HAIL. HEAVY RAINS WILL CAUSE LOCALIZED STREET AND HIGHWAY FLOODING IN LOW LYING AND POOR DRAINAGE AREAS. PLEASE KEEP ABREAST TO THE LATEST CONDITIONS. THE COLD FRONT WILL MOVE SOUTH OF LONG ISLAND SATURDAY AFTERNOON AND THE LOW WILL MOVE OFF THE SOUTHERN NEW ENGLAND COAST. THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS MAINLY IN THE MORNING WHILE THE COLD FRONT IS MOVING THROUGH. WITH THE PASSAGE OF THE FRONT LESS HUMID AND COOLER AIR WILL GRADUALLY FILTER INTO THE AREA. HIGH PRESSURE WILL BUILD INTO THE REGION SATURDAY NIGHT AND SUNDAY RESULTING IN COOLER AND LESS HUMID WEATHER TO CLOSE OUT THE WEEKEND. HIGHS SUNDAY WILL ONLY BE IN THE 70S. IAA
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:31 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 59 min |
Nearby
Flash Flood Warnings in New York, 1998Every flash flood warning in 1998
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.