Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 29, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at May 31, 1998, 10:47 PM EDT for Westchester County, New York. It was in force for 48 min. 2 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
- May 31, 1998, 10:47 PM EDT (02:47 UTC)
- Expired
- May 31, 1998, 11:35 PM EDT
- In force
- 48 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Westchester County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 11:03 PM EDT | Thunderstorm Wind 50 | Peekskill, NY | |
| May 31, 11:18 PM EDT | Thunderstorm Wind 50 | Pound Ridge, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 10:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 2.8 hours before the alert went out and 81 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
- 151 J/kg
- Mixed-layer CIN
- -348 J/kg
- Mixed-layer LCL
- 1224 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
625 WUUS1 KNYC 010249 RRA SVRNYC NJC003-031-NYC087-119-010335- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 1047 PM EDT SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ROCKLAND COUNTY IN SOUTHEASTERN NEW YORK NORTHERN WESTCHESTER COUNTY IN SOUTHEASTERN NEW YORK BERGEN COUNTY IN NORTHEASTERN NEW JERSEY PASSAIC COUNTY IN NORTHEASTERN NEW JERSEY * UNTIL 1135 PM EDT * THE FOLLOWING LOCATIONS ARE IN THE PATH OF THIS STORM SUFFERN BY 1037 PM EDT MAHWAH BY 1038 PM EDT WANAQUE BY 1038 PM EDT BLOOMINGDALE BY 1040 PM EDT OAKLAND BY 1040 PM EDT SPRING VALLEY BY 1040 PM EDT POMPTON LAKES BY 1042 PM EDT RAMSEY BY 1042 PM EDT UPPER SADDLE RIVER BY 1043 PM EDT WYCKOFF BY 1044 PM EDT NANUET BY 1044 PM EDT SADDLE RIVER BY 1045 PM EDT PEARL RIVER BY 1045 PM EDT WOODCLIFF LAKE BY 1047 PM EDT WAYNE BY 1048 PM EDT ORANGEBURG BY 1048 PM EDT HAWTHORNE BY 1049 PM EDT NORTH HALEDON BY 1049 PM EDT HILLSDALE BY 1050 PM EDT PATERSON BY 1050 PM EDT TOTOWA BY 1052 PM EDT DOBBS FERRY BY 1054 PM EDT BERGENFIELD BY 1055 PM EDT HACKENSACK BY 1055 PM EDT CLIFTON BY 1057 PM EDT TETERBORO BY 1059 PM EDT CARLSTADT BY 1100 PM EDT PARAMUS BY 1101 PM EDT ENGLEWOOD BY 1101 PM EDT LYNDHURST BY 1102 PM EDT MOUNT VERNON BY 1103 PM EDT RIDGEFIELD BY 1104 PM EDT NEW ROCHELLE BY 1107 PM EDT PELHAM MANOR BY 1107 PM EDT * AT 1044 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY INDICATED A SEVERE THUNDERSTORM IN THE VICINITY OF WEST MILFORD MOVING SOUTHEAST AT 45 MPH. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. KLEIN
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, May 31, 6:13 PM EDT, 4 hours 34 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-010400- SPECIAL WEATHER STATEMENT - EVENING SEVERE WEATHER POTENTIAL NATIONAL WEATHER SERVICE NEW YORK NY 613 PM EDT SUN MAY 31 1998 ...ROUGH AND TUMBLE WEATHER IN THE FORM OF SEVERE THUNDERSTORMS IS HEADED FOR THE TRI-STATE REGION... ...A TORNADO WATCH HAS BEEN ISSUED FOR THE ENTIRE TRI-STATE REGION AND IS IN EFFECT UNTIL 1000 PM... A VERY STRONG STORM SYSTEM MOVING INTO SOUTHEASTERN CANADA WILL BRING SOME VERY INTENSE WEATHER TO THE TRI-STATE REGION LATER THIS EVENING. SEVERE THUNDERSTORMS HAVE BEEN MOVING ACROSS PORTIONS OF UPSTATE NEW YORK THROUGHOUT THE AFTERNOON HOURS...AND SEVERE THUNDERSTORMS ARE CURRENTLY DEVELOPING ACROSS CENTRAL AND EASTERN PENNSYLVANIA. THE ATMOSPHERE HAS BECOME VERY UNSTABLE ACROSS OUR REGION AS WELL... AND SEVERE WEATHER IS POSSIBLE LATER THIS EVENING. ANY SEVERE THUNDERSTORMS THAT DO DEVELOP MAY PRODUCE WIND GUSTS WELL OVER 60 MPH WHICH MAY DOWN TREES AND POWER LINES...LARGE HAIL. CONDITIONS ARE FAVORABLE FOR ISOLATED TORNADOES AS WELL. CURRENT PROJECTIONS INDICATE THAT THUNDERSTORMS WILL BEGIN TO ARRIVE IN THE LOWER HUDSON VALLEY AROUND 730 PM...NORTHEAST NEW JERSEY BY ABOUT 830 PM...AND SOUTHERN CONNECTICUT...NEW YORK CITY AND LONG ISLAND WELL AFTER SUNSET. ANYONE WITH OUTDOOR PLANS FOR THIS EVENING SHOULD KEEP A WATCHFUL EYE TO THE SKY. IF THREATENING WEATHER APPROACHES...BE PREPARED TO SEEK SAFE SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST SHORT TERM FORECASTS AND POSSIBLE WARNINGS. REYNOLDS / NWSFO BROOKHAVEN NY
Special weather statement, May 31, 10:38 PM EDT, 9 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-010900- SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR EXTREME SOUTHEASTERN NEW YORK... NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT NATIONAL WEATHER SERVICE NEW YORK NY 1038 PM EDT SUN MAY 31 1998 ...TORNADO WATCH EXTENDED UNTIL 400 AM FOR SOUTHEASTERN NEW YORK AND NORTHEASTERN NEW JERSEY... ...TORNADO WATCH IN EFFECT UNTIL 200 AM FOR SOUTHERN CONNECTICUT... ...FLOOD WATCH ISSUED FOR THE LOWER HUDSON VALLEY OF NEW YORK AND FAIRFIELD COUNTY CONNECTICUT FOR THE OVERNIGHT... A WILD WEATHER NIGHT CONTINUES ACROSS THE TRI-STATE REGION...WITH SEVERE THUNDERSTORMS AND HEAVY RAINFALL ACROSS THE LOWER HUDSON VALLEY OF NEW YORK AND EXTREME SOUTHWESTERN CONNECTICUT. SOME OF THESE STORMS HAVE PRODUCED FUNNEL CLOUDS...TORRENTIAL RAINS AND HAIL. SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE OVERNIGHT HOURS ...AND BEGIN TO TAPER OFF TOWARD MORNING AS A COLD FRONT MOVES THROtUGH THE REGION. QUIETER AND COOLER WEATHER IS ON TAP FOR MONDAY. REYNOLDS
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:17 PM EDT | Tornado Warning | OKX | Orange | 38 min |
| May 31, 8:33 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 57 min |
| May 31, 8:47 PM EDT | Tornado Warning | OKX | Orange | 58 min |
| May 31, 9:05 PM EDT | Tornado Warning | OKX | Westchester | 65 min |
| May 31, 9:56 PM EDT | Tornado Warning | OKX | Orange, Putnam | 59 min |
| May 31, 9:56 PM EDT | Tornado Warning | OKX | Rockland | 59 min |
| May 31, 10:10 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 60 min |
| May 31, 10:37 PM EDT | Flash Flood Warning | OKX | Orange | 118 min |
| May 31, 10:47 PM EDT | Severe Thunderstorm Warning | OKX | Rockland | 48 min |
| Jun 1, 2:03 AM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens | 47 min |
| Jun 1, 2:33 AM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 47 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.