Alert archive / Connecticut / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 64, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 20, 1998, 7:04 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 46 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
- Jul 20, 1998, 7:04 PM EDT (23:04 UTC)
- Expired
- Jul 20, 1998, 7:50 PM EDT
- In force
- 46 min
- 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 23:08 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, 11.1 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
- 1004 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
409 WUUS1 KNYC 202308 RRA SVRNYC CTC009-202350- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING ... RETRANSMISSION ... NATIONAL WEATHER SERVICE NEW YORK NY 704 PM EDT MON JUL 20 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NEW HAVEN COUNTY IN SOUTH CENTRAL CONNECTICUT * UNTIL 750 PM EDT * AT 700 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF SOUTHBURY MOVING EAST AT 35 MPH. * THE FOLLOWING LOCATIONS ARE IN THE PATH OF THIS STORM SOUTHBURY AT 707 PM EDT OXFORD AT 717 PM EDT WATERBURY AT 722 PM EDT HAMDEN AT 737 PM EDT NEW HAVEN AT 738 PM EDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS SDR/MAW
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Jul 20, 3:37 PM EDT, 3 hours 27 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-210230- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 337 PM EDT MON JUL 20 1998 ...A HEAT ADVISORY REMAINS IN EFFECT FOR THE REST OF THE AFTERNOON FOR NEW YORK CITY... ...MORE HEAT AND HUMIDITY FOR THE REGION THROUGH MIDWEEK... TEMPERATURES AROUND 90 DEGREES COMBINED WITH THE HIGH HUMIDITY WITH KEEP HEAT INDICES FROM 95 TO 100 DEGREES FOR THE REMAINDER OF THE AFTERNOON. ANYONE OUTDOORS IN THE HEAT AND HUMIDITY FOR EXTENDED PERIODS OF TIME SHOULD TAKE PRECAUTIONS AGAINST THE HEAT...SUCH AS TAKING FREQUENT BREAKS AND DRINKING PLENTY OF FLUIDS. A DISTURBANCE MOVING OUT OF CENTRAL NEW YORK AND PENNSYLVANIA COMBINED WITH THE HEAT AND HUMIDITY WILL HELP FUEL SCATTERED THUNDERSTORMS THROUGH THIS EVENING. A FEW OF THESE STORMS COULD PRODUCE GUSTY WINDS...HAIL AND TORRENTIAL DOWNPOURS. OTHERWISE...MORE HEAT AND HUMIDITY IS ON TAP THROUGH MIDWEEK. AFTERNOON TEMPERATURES WILL CLIMB INTO THE 90S ACROSS MOST OF THE TRI-STATE REGION THROUGH THURSDAY. WEDNESDAY LOOKS TO BE THE WORST DAY HEAT-WISE WITH TEMPERATURES CLIMBING WELL INTO THE 90S IN THE METRO AREAS. EVEN COASTAL AREAS SHOULD GO OVER THE 90 MARK WEDNESDAY. HEAT INDICES MAY APPROACH 100 DEGREES AGAIN TUESDAY IN THE NEW YORK METRO AREA...AND AND SHOULD REACH 100 OR HIGHER FOR MUCH OF THE AREA ON WEDNESDAY. THE ONLY RELIEF FROM THE HEAT THROUGH THURSDAY WILL BE AFTERNOON SEABREEZES AND ANY THUNDERSTORMS THAT DEVELOP. SOME RELIEF MAY BE ON THE WAY IN THE FORM OF A COLD FRONT FOR THE END OF THE WEEK. REYNOLDS ...CORRECTION TO UGC HEADER...
Special weather statement, Jul 20, 3:37 PM EDT, 3 hours 27 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-2102300- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 337 PM EDT MON JUL 20 1998 ...A HEAT ADVISORY REMAINS IN EFFECT FOR THE REST OF THE AFTERNOON FOR NEW YORK CITY... ...MORE HEAT AND HUMIDITY FOR THE REGION THROUGH MIDWEEK... TEMPERATURES AROUND 90 DEGREES COMBINED WITH THE HIGH HUMIDITY WITH KEEP HEAT INDICES FROM 95 TO 100 DEGREES FOR THE REMAINDER OF THE AFTERNOON. ANYONE OUTDOORS IN THE HEAT AND HUMIDITY FOR EXTENDED PERIODS OF TIME SHOULD TAKE PRECAUTIONS AGAINST THE HEAT...SUCH AS TAKING FREQUENT BREAKS AND DRINKING PLENTY OF FLUIDS. A DISTURBANCE MOVING OUT OF CENTRAL NEW YORK AND PENNSYLVANIA COMBINED WITH THE HEAT AND HUMIDITY WILL HELP FUEL SCATTERED THUNDERSTORMS THROUGH THIS EVENING. A FEW OF THESE STORMS COULD PRODUCE GUSTY WINDS...HAIL AND TORRENTIAL DOWNPOURS. OTHERWISE...MORE HEAT AND HUMIDITY IS ON TAP THROUGH MIDWEEK. AFTERNOON TEMPERATURES WILL CLIMB INTO THE 90S ACROSS MOST OF THE TRI-STATE REGION THROUGH THURSDAY. WEDNESDAY LOOKS TO BE THE WORST DAY HEAT-WISE WITH TEMPERATURES CLIMBING WELL INTO THE 90S IN THE METRO AREAS. EVEN COASTAL AREAS SHOULD GO OVER THE 90 MARK WEDNESDAY. HEAT INDICES MAY APPROACH 100 DEGREES AGAIN TUESDAY IN THE NEW YORK METRO AREA...AND AND SHOULD REACH 100 OR HIGHER FOR MUCH OF THE AREA ON WEDNESDAY. THE ONLY RELIEF FROM THE HEAT THROUGH THURSDAY WILL BE AFTERNOON SEABREEZES AND ANY THUNDERSTORMS THAT DEVELOP. SOME RELIEF MAY BE ON THE WAY IN THE FORM OF A COLD FRONT FOR THE END OF THE WEEK. REYNOLDS
Special weather statement, Jul 20, 3:37 PM EDT, 3 hours 27 minutes before
NYZ0067>081-NJ002>006-011-CT005>012-210230- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 337 PM EDT MON JUL 20 1998 ...A HEAT ADVISORY REMAINS IN EFFECT FOR THE REST OF THE AFTERNOON FOR NEW YORK CITY... ...MORE HEAT AND HUMIDITY FOR THE REGION THROUGH MIDWEEK... TEMPERATURES AROUND 90 DEGREES COMBINED WITH THE HIGH HUMIDITY WITH KEEP HEAT INDICES FROM 95 TO 100 DEGREES FOR THE REMAINDER OF THE AFTERNOON. ANYONE OUTDOORS IN THE HEAT AND HUMIDITY FOR EXTENDED PERIODS OF TIME SHOULD TAKE PRECAUTIONS AGAINST THE HEAT...SUCH AS TAKING FREQUENT BREAKS AND DRINKING PLENTY OF FLUIDS. A DISTURBANCE MOVING OUT OF CENTRAL NEW YORK AND PENNSYLVANIA COMBINED WITH THE HEAT AND HUMIDITY WILL HELP FUEL SCATTERED THUNDERSTORMS THROUGH THIS EVENING. A FEW OF THESE STORMS COULD PRODUCE GUSTY WINDS...HAIL AND TORRENTIAL DOWNPOURS. OTHERWISE...MORE HEAT AND HUMIDITY IS ON TAP THROUGH MIDWEEK. AFTERNOON TEMPERATURES WILL CLIMB INTO THE 90S ACROSS MOST OF THE TRI-STATE REGION THROUGH THURSDAY. WEDNESDAY LOOKS TO BE THE WORST DAY HEAT-WISE WITH TEMPERATURES CLIMBING WELL INTO THE 90S IN THE METRO AREAS. EVEN COASTAL AREAS SHOULD GO OVER THE 90 MARK WEDNESDAY. HEAT INDICES MAY APPROACH 100 DEGREES AGAIN TUESDAY IN THE NEW YORK METRO AREA...AND AND SHOULD REACH 100 OR HIGHER FOR MUCH OF THE AREA ON WEDNESDAY. THE ONLY RELIEF FROM THE HEAT THROUGH THURSDAY WILL BE AFTERNOON SEABREEZES AND ANY THUNDERSTORMS THAT DEVELOP. SOME RELIEF MAY BE ON THE WAY IN THE FORM OF A COLD FRONT FOR THE END OF THE WEEK. REYNOLDS ...CORRECTION TO UGC HEADER...
Nearby
Severe Thunderstorm Warnings in Connecticut, 1998Every severe thunderstorm 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.