Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 43, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 26, 1998, 4:31 PM EDT for Suffolk County, New York. It was in force for 59 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 26, 1998, 4:31 PM EDT (20:31 UTC)
- Expired
- Jun 26, 1998, 5:30 PM EDT
- In force
- 59 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Suffolk County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 4:38 PM EDT | Thunderstorm Wind 50 | Deer Park, NY | |
| Jun 26, 4:45 PM EDT | Thunderstorm Wind 50 | Ronkonkoma, NY | |
| Jun 26, 5:15 PM EDT | Hail 0.75 | Melville, NY | |
| Jun 26, 5:15 PM EDT | Thunderstorm Wind 50 | Deer Park, NY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.5 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.
640 WUUS1 KNYC 262032 RRA SVRNYC NYC103-262130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 431 PM EDT FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN AND CENTRAL SUFFOLK COUNTY IN SOUTHEASTERN NEW YORK * UNTIL 530 PM EDT * AT 426 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY INDICATED A SEVERE THUNDERSTORM IN THE VICINITY OF COMMACK MOVING EAST AT 30 MPH. * THE FOLLOWING LOCATIONS ARE IN THE PATH OF THIS STORM PATCHOGUE AT 435 PM EDT CORAM AT 436 PM EDT MIDDLE ISLAND AT 441 PM EDT BROOKHAVEN AT 445 PM EDT YAPHANK AT 445 PM EDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS PW
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, Jun 26, 11:15 AM EDT, 5 hours 16 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 16 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 16 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 1 minute 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 1 minute 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, 4:49 PM EDT | Flash Flood Warning | OKX | Suffolk | 61 min |
Nearby
Severe Thunderstorm Warnings in New York, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.