Alert archive / New York / Flash Flood Warnings in 1998
Flash Flood Warning 18, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 13, 1998, 1:01 PM EDT for Suffolk County, New York. It was in force for 119 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 13, 1998, 1:01 PM EDT (17:01 UTC)
- Expired
- Jun 13, 1998, 3:00 PM EDT
- In force
- 119 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, 5.0 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
- 167 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 440 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNYC 131721 RRA FFWNYC NYC103-131900- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING...CORRECTION NATIONAL WEATHER SERVICE NEW YORK NY 101 PM EDT SAT JUN 13 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 300 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEASTERN NEW YORK ...WESTERN SUFFOLK COUNTY * THUNDERSTORMS WITH TORRENTIAL RAIN AND DEADLY LIGHTNING WILL MOVE INTO WESTERN SUFFOLK COUNTY FROM NASSAU COUNTY BY 1 PM. THESE STORMS WILL CONTINUE TO MOVE EAST ACROSS THE COUNTY AT NEAR 25 MPH. THESE STORMS WILL PRODUCE 2 TO AS MUCH AS 3 INCHES OF RAIN IN LESS THAN AN HOUR. THIS WILL FLOOD AND CLOSE MANY ROADWAYS. STAY OFF ROADWAYS THE NEXT FEW HOURS UNTIL THE HEAVY RAINS END AND THE WATER SUBSIDES. THERE IS A LOT OF LIGHTNING WITH THESE STORMS. STAY INDOORS...DO NOT USE THE PHONE AND STAY AWAY FROM WINDOWS UNTIL THE STORMS PASS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. TONGUE
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 13, 11:15 AM EDT, 1 hour 46 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-132200- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 1115 AM EDT SAT JUN 13 1998 ...MORE HEAVY RAIN THIS AFTERNOON... WET WEATHER IS IN STORE FOR MUCH OF THE WEEKEND AS A LOW PRESSURE SYSTEM OVER THE GREAT LAKES REGION MOVES SOUTHEAST TOWARDS THE TRI-STATE AREA. THIS IS RESULTING IN VERY MOIST FLOW OF AIR IN FROM THE ATLANTIC OCEAN. SHOWERS AND THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL THAT WILL RESULT IN PONDING AND FLOODING OF ROADWAYS AND LOW LYING AREAS. THUS TRAVEL IS NOT RECOMMENDED. IF YOU MUST DRIVE...SLOW DOWN AND *** DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS AS THE WATER IS OFTEN DEEPER THAN IT APPEARS! *** IN ADDITION...IF YOUR BASEMENT IS PRONE TO FLOODING...KEEP A WATCHFUL EYE ON THIS. WITH 1 TO 3 INCHES AND IN SOME CASES MORE RAINFALL LAST NIGHT...THE GROUND IS BECOMING SATURATED. LASTLY THERE IS FOG WHICH IS REDUCING VISIBILITY ACROSS THE REGION. OVERNIGHT...EXPECT SIMILAR CONDITIONS AS TODAY EXCEPT THAT THE HEAVIER RAINFALL IS EXPECTED TO BE MAINLY ON LONG ISLAND AND IN CONNECTICUT. FOR SUNDAY...THE LOW PRESSURE SYSTEM WILL STILL BE AROUND...BUT GENERALLY THE HEAVIER WILL BE OVER AND WILL JUST HAVE SHOWERS. STAY TUNED TO NOAA WEATHER RADIO OR MEDIA OUTLETS FOR THE LATEST UPDATES CONCERNING THIS EXTENDED SPELL OF WET WEATHER. JST
Special weather statement, Jun 13, 11:15 AM EDT, 1 hour 46 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-132200- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 1115 AM EDT SAT JUN 13 1998 ...MORE HEAVY RAIN THIS AFTERNOON... WET WEATHER IS IN STORE FOR MUCH OF THE WEEKEND AS A LOW PRESSURE SYSTEM OVER THE GREAT LAKES REGION MOVES SOUTHEAST TOWARDS THE TRI-STATE AREA. THIS IS RESULTING IN VERY MOIST FLOW OF AIR IN FROM THE ATLANTIC OCEAN. SHOWERS AND THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL THAT WILL RESULT IN PONDING AND FLOODING OF ROADWAYS AND LOW LYING AREAS. THUS TRAVEL IS NOT RECOMMENDED. IF YOU MUST DRIVE...SLOW DOWN AND *** DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS AS THE WATER IS OFTEN DEEPER THAN IT APPEARS! *** IN ADDITION...IF YOUR BASEMENT IS PRONE TO FLOODING...KEEP A WATCHFUL EYE ON THIS. WITH 1 TO 3 INCHES AND IN SOME CASES MORE RAINFALL LAST NIGHT...THE GROUND IS BECOMING SATURATED. LASTLY THERE IS FOG WHICH IS REDUCING VISIBILITY ACROSS THE REGION. OVERNIGHT...EXPECT SIMILAR CONDITIONS AS TODAY EXCEPT THAT THE HEAVIER RAINFALL IS EXPECTED TO BE MAINLY ON LONG ISLAND AND IN CONNECTICUT. FOR SUNDAY...THE LOW PRESSURE SYSTEM WILL STILL BE AROUND...BUT GENERALLY THE HEAVIER WILL BE OVER AND WILL JUST HAVE SHOWERS. STAY TUNED TO NOAA WEATHER RADIO OR MEDIA OUTLETS FOR THE LATEST UPDATES CONCERNING THIS EXTENDED SPELL OF WET WEATHER. JST
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 11:44 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 2 hr |
| Jun 13, 11:33 AM EDT | Flash Flood Warning | OKX | Kings, Queens | 117 min |
| Jun 13, 11:33 AM EDT | Flash Flood Warning | OKX | Bronx, New York | 117 min |
| Jun 13, 11:33 AM EDT | Flash Flood Warning | OKX | Richmond | 117 min |
| Jun 13, 12:01 PM EDT | Flash Flood Warning | OKX | Westchester | 119 min |
| Jun 13, 12:01 PM EDT | Flash Flood Warning | OKX | Nassau | 119 min |
| Jun 13, 1:54 PM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
| Jun 13, 3:59 PM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
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.