Alert archive / Connecticut / Flash Flood Warnings in 1998
Flash Flood Warning 9, NWS New York, NY
NWS New York, NY issued this flash flood warning at May 10, 1998, 7:20 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 12 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
- May 10, 1998, 7:20 PM EDT (23:20 UTC)
- Expired
- May 11, 1998, 7:15 AM EDT
- In force
- 12 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
The radar
The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 75 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 388 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 102321 FFWNYC CTC009-111115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW YORK NY 720 PM EDT SUN MAY 10 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * FLASH FLOOD WARNING FOR... NEW HAVEN COUNTY IN SOUTH CENTRAL CONNECTICUT * UNTIL 715 AM EDT MONDAY MORNING * AT 710 PM ...A RIVER GAGE INDICATES THAT THE QUINNIPIAC RIVER NEAR QUINNIPIAC IN NEW HAVEN COUNTY HAS GONE ABOVE FLOOD LEVEL. OTHER SMALL STREAMS IN NEW HAVEN COUNTY MAY ALSO RISE ABOVE BANKFULL TONIGHT...SO TAKE NECESSARY PRECAUTIONS. * DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! EKH
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, May 10, 3:13 PM EDT, 4 hours 7 minutes before
NYZ067>081-NJZ002>006-011-CTZ005-012-110230- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 313 PM EDT SUN MAY 10 1998 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WATCH FOR THE LOWER HUDSON VALLEY OF NEW YORK AND EXTENDED THE FLOOD WATCH FOR NORTHEASTERN NEW JERSEY CONTINUES THROUGH MONDAY... ...A COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY FOR THE ENTIRE TRI-STATE REGION SHORELINE... LOW PRESSURE OFF THE MID ATLANTIC COAST WILL CONTINUE A SLOW DRIFT TO THE EAST THROUGH TUESDAY. HIGH PRESSURE OVER SOUTHEAST CANADA WILL MOVE EAST AND SOUTH INTO NORTHERN NEW ENGLAND MONDAY...AND THEN BEGIN TO BUILD SOUTH TUESDAY. THE PERSISTENT NORTHEAST FLOW OF MOIST AIR BETWEEN THESE TWO WEATHER SYSTEMS CONTINUE PERIODS OF RAIN AND GUSTY NORTHEAST WINDS INTO EARLY TUESDAY. THIS LONG PERIOD OF ONSHORE WINDS WILL RESULT IN WIDESPREAD MINOR COASTAL FLOODING DURING THE TIMES OF HIGH TIDE INTO MONDAY AND TUESDAY. LOCAL MODERATE COASTAL FLOODING IS ALSO POSSIBLE... ESPECIALLY IN THOSE AREAS THAT ARE MOST VULNERABLE...SUCH AS FREEPORT LONG ISLAND. PROLONGED PERIODS OF HEAVY RAIN COULD CAUSE SOME STREAMS AND CREEKS TO RISE TO NEAR BANKFULL. THERE WILL BE FLOODING ON MANY STREETS AND HIGHWAYS SO MOTORISTS SHOULD EXERCISE CAUTION. THERE MAY BE SOME IMPROVEMENT ON THE HORIZON. FAIR AND DRY WEATHER IS EXPECTED TO BEGIN LATE TUESDAY AND CONTINUE INTO MIDWEEK. REYNOLDS
Special weather statement, May 10, 3:13 PM EDT, 4 hours 7 minutes before
NYZ067>081-NJZ002>006-011-CTZ005-012-110230- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 313 PM EDT SUN MAY 10 1998 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WATCH FOR THE LOWER HUDSON VALLEY OF NEW YORK AND EXTENDED THE FLOOD WATCH FOR NORTHEASTERN NEW JERSEY CONTINUES THROUGH MONDAY... ...A COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY FOR THE ENTIRE TRI-STATE REGION SHORELINE... LOW PRESSURE OFF THE MID ATLANTIC COAST WILL CONTINUE A SLOW DRIFT TO THE EAST THROUGH TUESDAY. HIGH PRESSURE OVER SOUTHEAST CANADA WILL MOVE EAST AND SOUTH INTO NORTHERN NEW ENGLAND MONDAY...AND THEN BEGIN TO BUILD SOUTH TUESDAY. THE PERSISTENT NORTHEAST FLOW OF MOIST AIR BETWEEN THESE TWO WEATHER SYSTEMS CONTINUE PERIODS OF RAIN AND GUSTY NORTHEAST WINDS INTO EARLY TUESDAY. THIS LONG PERIOD OF ONSHORE WINDS WILL RESULT IN WIDESPREAD MINOR COASTAL FLOODING DURING THE TIMES OF HIGH TIDE INTO MONDAY AND TUESDAY. LOCAL MODERATE COASTAL FLOODING IS ALSO POSSIBLE... ESPECIALLY IN THOSE AREAS THAT ARE MOST VULNERABLE...SUCH AS FREEPORT LONG ISLAND. PROLONGED PERIODS OF HEAVY RAIN COULD CAUSE SOME STREAMS AND CREEKS TO RISE TO NEAR BANKFULL. THERE WILL BE FLOODING ON MANY STREETS AND HIGHWAYS SO MOTORISTS SHOULD EXERCISE CAUTION. THERE MAY BE SOME IMPROVEMENT ON THE HORIZON. FAIR AND DRY WEATHER IS EXPECTED TO BEGIN LATE TUESDAY AND CONTINUE INTO MIDWEEK. REYNOLDS
Nearby
Flash Flood Warnings in Connecticut, 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; radar from the NEXRAD Level II archive.