Alert archive / Connecticut / Flash Flood Warnings in 1998

Flash Flood Warning 7, NWS New York, NY

March 9, 1998Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Mar 9, 1998, 6:15 PM EST for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 105 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
Mar 9, 1998, 6:15 PM EST (23:15 UTC)
Expired
Mar 9, 1998, 8:00 PM EST
In force
105 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.3 hours before the alert went out and 74 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 1998-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1998-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
4 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNYC 092316
FFWNYC
CTC007-009-011-100100-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
615 PM EST MON MAR 9 1998
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 PM EST
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...MIDDLESEX COUNTY...NEW HAVEN COUNTY
 
IN SOUTHEAST CONNECTICUT
 
   ...NEW LONDON COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES AN AREA OF
HEAVY RAINSHOWERS WITH ISOLATED THUNDERSTORMS MOVING INTO
SOUTH CENTRAL AND SOUTHEASTERN CONNECTICUT. SOME OF THESE
ISOLATED CELLS ARE PRODUCING VERY HEAVY RAINS ACROSS THE
EASTERN END OF LONG ISLAND.
 
NEW HAVEN COUNTY AND SPECIFICALLY THE QUINNIPIAC RIVER BASIN
WILL EXPERIENCE MAINLY MODERATE RAIN FOR THE NEXT HOUR OR
SO. THE HEAVIER RAINSHOWERS WILL MAINLY EFFECT NEW LONDON
COUNTY AND POINTS NORTHEAST AND EAST
 
THE QUINNIPIAC RIVER AT WALLINGFORD IS ABOVE FLOOD STAGE AND
CONTINUES TO RISE. THE RIVER WAS AT 9.20 FEET AT 530PM. THE
YANTIC RIVER IN NORWICH IS RISING AND IS CURRENTLY 2 FEET
BELOW BANKFULL.
 
FLOODING OF SMALL STREAMS IN THE WARNING AREA WILL OCCUR
DURING THE NEXT HOUR AS THE HEAVY SHOWERS COULD DUMP 1/2 TO
1 INCH AMOUNTS. THE AREA IS ALREADY VERY SATURATED FROM
EARLIER RAINS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT EQUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
MCKILLOP

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, Mar 9, 3:12 PM EST, 3 hours 3 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-100330-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
312 PM EST MON MAR 9 1998

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WARNING FOR
THE QUINNIPIAC RIVER OF NEW HAVEN COUNTY CONNECTICUT...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH 7 PM...

ON THE LATEST WEATHER MAPS A STRONG LOW PRESSURE...OR STORM SYSTEM
WAS OVER WESTERN NEW YORK STATE. THIS LOW WILL TRACK EAST
NORTHEASTWARD INTO NORTHERN NEW ENGLAND OVERNIGHT. THE LOW WILL MOVE
INTO THE CANADIAN MARITIMES BY TUESDAY AFTERNOON.

THIS LOW HAS PUSHED COPIOUS MOISTURE INTO THE REGION. AS A RESULT
THERE ARE NUMEROUS REPORTS OF PONDING OF WATER ON LOW LYING
ROADWAYS...AND IN AREAS OF POOR DRAINAGE. ADDITIONALLY THE MAHWAH IS
NEAR FLOOD AS IS THE QUINNIPIAC OF CONNECTICUT. THESE STREAMS SHOULD
CREST EARLY THIS EVENING AND THE FLOOD DANGER SHOULD ABATE.

COLD AIR BEHIND THE LOW...FROM THE WESTERN GREAT LAKES TO THE
SOUTHERN PLAINS WILL PUSH INTO OUR REGION TUESDAY. THE COLD FRONT
WILL BE ACCOMPANIED BY SOME CLOUDS AND MAYBE A FEW SPRINKLES.

OUR REGION WILL TURN COLDER...TUESDAY NIGHT THROUGH THE END OF THE
WORK WEEK.

WOOLDRIDGE
Special weather statement, Mar 9, 3:12 PM EST, 3 hours 3 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-100330-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
312 PM EST MON MAR 9 1998

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WARNING FOR
THE QUINNIPIAC RIVER OF NEW HAVEN COUNTY CONNECTICUT...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH 7 PM...

ON THE LATEST WEATHER MAPS A STRONG LOW PRESSURE...OR STORM SYSTEM
WAS OVER WESTERN NEW YORK STATE. THIS LOW WILL TRACK EAST
NORTHEASTWARD INTO NORTHERN NEW ENGLAND OVERNIGHT. THE LOW WILL MOVE
INTO THE CANADIAN MARITIMES BY TUESDAY AFTERNOON.

THIS LOW HAS PUSHED COPIOUS MOISTURE INTO THE REGION. AS A RESULT
THERE ARE NUMEROUS REPORTS OF PONDING OF WATER ON LOW LYING
ROADWAYS...AND IN AREAS OF POOR DRAINAGE. ADDITIONALLY THE MAHWAH IS
NEAR FLOOD AS IS THE QUINNIPIAC OF CONNECTICUT. THESE STREAMS SHOULD
CREST EARLY THIS EVENING AND THE FLOOD DANGER SHOULD ABATE.

COLD AIR BEHIND THE LOW...FROM THE WESTERN GREAT LAKES TO THE
SOUTHERN PLAINS WILL PUSH INTO OUR REGION TUESDAY. THE COLD FRONT
WILL BE ACCOMPANIED BY SOME CLOUDS AND MAYBE A FEW SPRINKLES.

OUR REGION WILL TURN COLDER...TUESDAY NIGHT THROUGH THE END OF THE
WORK WEEK.

WOOLDRIDGE
Special weather statement, Mar 9, 3:45 PM EST, 2 hours 30 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-100330-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
345 PM EST MON MAR 9 1998...CORRECTED...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WARNING FOR
NEW HAVEN COUNTY CONNECTICUT...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH 7 PM...

ON THE LATEST WEATHER MAPS A STRONG LOW PRESSURE...OR STORM SYSTEM
WAS OVER WESTERN NEW YORK STATE. THIS LOW WILL TRACK EAST
NORTHEASTWARD INTO NORTHERN NEW ENGLAND OVERNIGHT. THE LOW WILL MOVE
INTO THE CANADIAN MARITIMES BY TUESDAY AFTERNOON.

THIS LOW HAS PUSHED COPIOUS MOISTURE INTO THE REGION. AS A RESULT
THERE ARE NUMEROUS REPORTS OF PONDING OF WATER ON LOW LYING
ROADWAYS...AND IN AREAS OF POOR DRAINAGE. ADDITIONALLY THE MAHWAH IS
NEAR FLOOD AS IS THE QUINNIPIAC OF CONNECTICUT. THESE STREAMS SHOULD
CREST EARLY THIS EVENING AND THE FLOOD DANGER SHOULD ABATE.

COLD AIR BEHIND THE LOW...FROM THE WESTERN GREAT LAKES TO THE
SOUTHERN PLAINS WILL PUSH INTO OUR REGION TUESDAY. THE COLD FRONT
WILL BE ACCOMPANIED BY SOME CLOUDS AND MAYBE A FEW SPRINKLES.

OUR REGION WILL TURN COLDER...TUESDAY NIGHT THROUGH THE END OF THE
WORK WEEK.

WOOLDRIDGE
Special weather statement, Mar 9, 3:45 PM EST, 2 hours 30 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-100330-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
345 PM EST MON MAR 9 1998...CORRECTED...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WARNING FOR
NEW HAVEN COUNTY CONNECTICUT...

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH 7 PM...

ON THE LATEST WEATHER MAPS A STRONG LOW PRESSURE...OR STORM SYSTEM
WAS OVER WESTERN NEW YORK STATE. THIS LOW WILL TRACK EAST
NORTHEASTWARD INTO NORTHERN NEW ENGLAND OVERNIGHT. THE LOW WILL MOVE
INTO THE CANADIAN MARITIMES BY TUESDAY AFTERNOON.

THIS LOW HAS PUSHED COPIOUS MOISTURE INTO THE REGION. AS A RESULT
THERE ARE NUMEROUS REPORTS OF PONDING OF WATER ON LOW LYING
ROADWAYS...AND IN AREAS OF POOR DRAINAGE. ADDITIONALLY THE MAHWAH IS
NEAR FLOOD AS IS THE QUINNIPIAC OF CONNECTICUT. THESE STREAMS SHOULD
CREST EARLY THIS EVENING AND THE FLOOD DANGER SHOULD ABATE.

COLD AIR BEHIND THE LOW...FROM THE WESTERN GREAT LAKES TO THE
SOUTHERN PLAINS WILL PUSH INTO OUR REGION TUESDAY. THE COLD FRONT
WILL BE ACCOMPANIED BY SOME CLOUDS AND MAYBE A FEW SPRINKLES.

OUR REGION WILL TURN COLDER...TUESDAY NIGHT THROUGH THE END OF THE
WORK WEEK.

WOOLDRIDGE

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 10:02 AM ESTFlash Flood WarningOKXNaugatuck Valley Planning Region13 hr

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.