Alert archive / New York / Flash Flood Warnings in 2004
Flash Flood Warning 18, NWS New York, NY
NWS New York, NY issued this flash flood warning at Aug 11, 2004, 3:59 PM EDT for Kings County, Queens County, New York. It was in force for 3 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
- Aug 11, 2004, 3:59 PM EDT (19:59 UTC)
- Expired
- Aug 11, 2004, 6:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Kings County, NY, Queens County, NY
The radar
The Philadelphia radar (KDIX), 89 km from the middle of the area, began a volume at 20:00 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, 8.0 hours before the alert went out and 90 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
- 1077 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KOKX 112004 FFWOKX NYC047-081-112230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE UPTON NY 359 PM EDT WED AUG 11 2004 THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN KINGS COUNTY (BROOKLYN) IN SOUTHEAST NEW YORK SOUTHERN QUEENS COUNTY IN SOUTHEAST NEW YORK * UNTIL 630 PM EDT * AT 359 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN NEAR ROCKAWAY BEACH...MOVING EAST AT 30 MPH. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR... FAR ROCKAWAY AROUND 410 PM LIFE THREATENING FLOODING IS NOW OCCURRING OVER SOUTHERN BROOKLYN AND QUEENS WITH UP TO 2.5 INCHES HAVING FALLEN IN THE PAST HOUR. ADDITIONAL RAIN IS CONTINUING TO FALL AND FLOODING IS EXPECTED TO INTENSIFY OVER THE NEXT HOUR. THE MOST SERIOUS FLOODING WILL BE OVER CONEY ISLAND AND AREAS ALONG THE BELT PARKWAY AS WELL AS OVER THE ROCKAWAYS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. $$ TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN UPTON NY. LAT...LON 4060 7401 4048 7397 4056 7374 4064 7374
1 follow-up statement
000 WGUS71 KOKX 112124 FFSOKX NYC047-059-081-112315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE UPTON NY 519 PM EDT WED AUG 11 2004 ...A FLASH FLOOD WARNING CONTINUES FOR NASSAU COUNTY UNTIL 730 PM EDT... ...A FLASH FLOOD WARNING CONTINUES FOR BROOKLYN AND QUEENS UNTIL 630 PM EDT... AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER THE WARNED AREA...ESPECIALLY OVER THE ROCKAWAYS AND SOUTHWESTERN NASSAU COUNTY. HOURLY RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE STILL POSSIBLE SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER GROUND. $$
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.
NWS New York, NY wrote its last area forecast discussion before this flash flood warning went out at Aug 11, 3:00 PM EDT, 59 minutes earlier.
Area forecast discussion, Aug 11, 3:00 PM EDT, 59 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE UPTON NY
300 PM EDT WED AUG 11 2004
.SHORT TERM (REMAINDER OF TODAY THROUGH THURSDAY)...
MODELS IN GOOD AGREEMENT THAT THE EASTERN SEABOARD WEATHER FORECAST
OFFICES ARE GOING TO BE VERY BUSY OVER THE NEXT FEW DAYS. IN THE
MEANTIME LOOKING AT A LINE OF STRONG TO SEVERE THUNDERSTORMS ACROSS
WESTERN PORTIONS OF THE CWA THAT WILL CONTINUE TO MOVE ACROSS FROM
THE WEST. VERY BUSY WITH ALL SORTS OF WEATHER TO DEAL WITH BOTH
SHORT AND LONG TERM SO WILL KEEP THIS SHORT. FOR THE SHORT TERM WILL
BE DEALING WITH A BOUNDARY CURRENTLY LYING ALONG THE EASTERN SLOPES
OF APPALACHIANS THAT WILL DRIFT EASTWARD NEXT 24 HOURS. IT WILL THEN
STALL OUT ACROSS THE LOCAL REGION...POSSIBLY SHIFTING BACK TO THE
WEST A TAD LATER ON THURSDAY.
&&
.LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)...
THEREAFTER...ESPECIALLY FRIDAY INTO SUNDAY ..STILL A GOOD DEAL
OF UNCERTAINTY AS WE DEAL WITH POSSIBLE IMPACT OF THE EXTRATROPICAL
REMNANTS OF BONNIE AND THEN CHARLEY. WILL KEEP THINGS VERY UNSETTLED
THROUGH A GOOD PORTION OF THE WEEKEND. ACCORDING TO LATEST
GUIDANCE...THE REMNANTS OF CHARLEY SHOULD BE PULLING AWAY QUICKLY AS
THE WEEKEND CLOSES. WILL END THREAT LATE SUNDAY AND KEEP THINGS DRY
THROUGH THE MIDDLE OF NEXT WEEK.
&&
.HYDROLOGY...
BASIN AVERAGE RAINFALL NEXT 24 HRS 1/4 TO AROUND 1/2 INCHES HOWEVER
CONSIDERABLY HIGHER AMOUNTS POSSIBLE LOCALLY. EXPECT ADVISORIES OR
WARNINGS MAY BE NEEDED FOR SOME AREAS THROUGH THIS EVENING. THEN
LOOKING FOR BIGGER AND MORE WIDESPREAD TROUBLES AS FIRST REMNANTS OF
BONNIE AND THEN CHARLEY COME INTO PLAY. ESF CURRENTLY OUT ADDRESSES
THESE ISSUES.
&&
.AVIATION...A SLOW MOVING LINE OF THUNDERSTORMS IS CURRENTLY MOVING
NE ACROSS THE NYC METRO AREA. THE LINE SHOULD MOVE TO THE NE OF NYC
BY 20Z. HOWEVER...ADDITIONAL DEVELOPMENT IS POSSIBLE ALONG THE
SOUTHERN END OF THE LINE WHICH WOULD KEEP THE THUNDERSTORMS OVER THE
NYC AREA LONGER. SOME SCATTERED THUNDERSTORMS WILL THEN BE POSSIBLE
THRU THIS EVENING AND POSSIBLY OVERNIGHT. ISP AND GON ARE NOT
EXPECTED TO GET ANY THUNDERSTORMS THIS AFTERNOON...BUT THEY MAY
EVENTUALLY SEE SOME SHOWERS AND POSSIBLE THUNDERSTORMS TONIGHT. MVFR
STRATUS CIGS ARE POSSIBLE FROM AROUND MIDNIGHT THROUGH MID MORNING
THURSDAY...ESPECIALLY FOR ISP, GON, BDR AND POSSIBLY JFK.
&&
.MARINE...DELAYED...WILL BE UPDATED LATER.
&&
.OKX WATCHES/WARNINGS/ADVISORIES...
CT...SEVERE TSTM WATCH UNTIL 8PM...CTZ005>012.
NJ...SEVERE TSTM WATCH UNTIL 8PM...NJZ002>006-011.
NY...SEVERE TSTM WATCH UNTIL 8PM...NYZ067>076.
MARINE...SEVERE TSTM WATCH UNTIL 8PM...ANZ355-338-335-330.
SMALL CRAFT ADVISORY ANZ350-353-355.
&&Hazardous weather outlook, Aug 11, 5:07 AM EDT, 10 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED OUTLOOK FOR DAYS 2-7... NATIONAL WEATHER SERVICE UPTON NY 507 AM EDT WED AUG 11 2004 CTZ005>012-NJZ002>006-011-NYZ067>081-111000- BERGEN NJ-BRONX NY-EASTERN PASSAIC NJ-ESSEX NJ-HUDSON NJ- KINGS (BROOKLYN) NY-NASSAU NY-NEW YORK (MANHATTAN) NY- NORTHEAST SUFFOLK NY-NORTHERN FAIRFIELD CT-NORTHERN MIDDLESEX CT- NORTHERN NEW HAVEN CT-NORTHERN NEW LONDON CT-NORTHERN WESTCHESTER NY- NORTHWEST SUFFOLK NY-ORANGE NY-PUTNAM NY-QUEENS NY- RICHMOND (STATEN IS.) NY-ROCKLAND NY-SOUTHEAST SUFFOLK NY- SOUTHERN FAIRFIELD CT-SOUTHERN MIDDLESEX CT-SOUTHERN NEW HAVEN CT- SOUTHERN NEW LONDON CT-SOUTHERN WESTCHESTER NY-SOUTHWEST SUFFOLK NY- UNION NJ-WESTERN PASSAIC NJ- 507 AM EDT WED AUG 11 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK... NORTHEAST NEW JERSEY AND SOUTHERN CONNECTICUT. .DAY ONE...TODAY AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OUT AHEAD OF AN APPROACHING COLD FRONT THIS AFTERNOON AND CONTINUE INTO THIS EVENING. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORM DEVELOPMENT ACROSS MOST OF THE REGION...WITH THE BEST CHANCE BEING FOR AREAS WEST OF THE HUDSON RIVER. THE MAIN SEVERE WEATHER THREATS FOR TODAY ARE DAMAGING WINDS...LARGE HAIL AND LOCALLY HEAVY RAINS. A SMALL CRAFT ADVISORY CONTINUES IN EFFECT FOR ROUGH SEAS ON THE OCEAN WATERS SOUTH OF LONG ISLAND. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... THERE IS THE POTENTIAL FOR SEVERAL PERIODS OF HEAVY RAINFALL BEGINNING THURSDAY NIGHT AND CONTINUING INTO SATURDAY NIGHT. ANOTHER COLD FRONT WILL APPROACH THE REGION THURSDAY NIGHT. THIS FRONT WILL SLOW DOWN AND THEN LIKELY STALL IN THE REGION LATE THURSDAY...ALONG WITH THE POSSIBILITY OF HEAVY RAINS ALONG THE FRONT AS A MOISTURE FEED ORIGINATING FROM THE TROPICS SETS UP ACROSS THE EASTERN U.S. EPISODE NUMBER 2 IS LIKELY TO ARRIVE LATE FRIDAY AS THE REMNANTS OF TROPICAL STORM BONNIE RIDES UP ALONG THE FRONT. IN ADDITION...THE LATEST FORECASTS FROM THE TROPICAL PREDICTION CENTER INDICATE THAT TROPICAL STORM CHARLEY MAY ALSO MOVE NEAR THE REGION LATE SATURDAY AND INTO SATURDAY NIGHT. THIS COULD ALSO BRING POTENTIALLY HEAVY RAINS TO THE REGION. GUSTY WINDS COULD ALSO ACCOMPANY CHARLEYS ARRIVAL...DEPENDING ON THE ACTUAL TRACK OF CHARLEY AND THE INTENSITY WHEN IT ARRIVES. PLEASE REFER TO THE LATEST FORECASTS FROM THE TROPICAL PREDICTION CENTER REGARDING BONNIE AND CHARLEY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE LIKELY LATER TODAY FOR SEVERE WEATHER. SPOTTERS SHOULD ALSO BE ALERT FOR POSSIBLE ACTIVATIONS TOWARD THE END OF THE WEEK. REYNOLDS
In the hours before
Special weather statement, Aug 11, 1:01 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 101 PM EDT WED AUG 11 2004 NYZ067-111730- EAST CENTRAL ORANGE- 101 PM EDT WED AUG 11 2004 AT 101 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY HAS DETECTED A DEVELOPING LINE OF THUNDERSTORMS OVER HIGHLAND MILLS...MOVING NORTHEAST AT 30 MPH. BASED ON THIS MOVEMENT...THE THUNDERSTORM SHOULD BE IN THE VICINITY OF... FIRTHCLIFFE...VAILS GATE AROUND 110 PM... CORNWALL ON HUDSON...NEW WINDSOR AROUND 115 PM... NEWBURGH AROUND 120 PM... FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN OBSERVED WITH THESE STORMS. HEAVY RAINS FROM THIS SLOW MOVING THUNDERSTORM MAY FLOOD LOW LYING AND POOR DRAINAGE AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. JST
Special weather statement, Aug 11, 1:23 PM EDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 123 PM EDT WED AUG 11 2004 NJZ002>005-011-NYZ069-111830- BERGEN-ESSEX-PASSAIC-UNION-SOUTHERN ROCKLAND- 123 PM EDT WED AUG 11 2004 AT 123 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY HAS DETECTED AN AREA OF THUNDERSTORMS ALONG A LINE EXTENDING FROM WEST MILFORD TO 10 MILES NORTHWEST OF NEW PROVIDENCE TO 20 MILES SOUTHWEST OF BERKELEY HEIGHTS...MOVING EAST AT 15 MPH. THUNDERSTORMS SHOULD BE IN THE VICINITY OF... BUTLER AROUND 130 PM... RINGWOOD...WANAQUE...BLOOMINGDALE AROUND 135 PM... STONETOWN AROUND 140 PM... SMALL HAIL AND STRONG WIND GUSTS CAN BE EXPECTED WITH THESE STORMS. FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN OBSERVED WITH THESE STORMS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT. THESE STORMS HAVE ALREADY PRODUCED SEVERE WEATHER IN WESTERN NEW JERSEY AND THAY HAVE A POTENTIAL TO DO THE SAME IN NORTHEASTERN NEW JERSEY. HEAVY RAINS FROM THIS SLOW MOVING THUNDERSTORM MAY FLOOD LOW LYING AND POOR DRAINAGE AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS.
Special weather statement, Aug 11, 1:39 PM EDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 139 PM EDT WED AUG 11 2004 NJZ002>006-011-111900- BERGEN-ESSEX-HUDSON-PASSAIC-UNION- 139 PM EDT WED AUG 11 2004 AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY HAS DETECTED AN AREA OF THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTH OF CHARLOTTESBURG TO 4 MILES WEST OF LIVINGSTON TO 12 MILES WEST OF BERKELEY HEIGHTS...MOVING EAST AT 15 MPH. THUNDERSTORMS SHOULD BE IN THE VICINITY OF... BLOOMINGDALE AROUND 145 PM... WANAQUE...WEST CALDWELL...ROSELAND...FAIRFIELD AROUND 150 PM... FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN OBSERVED WITH THESE STORMS. HEAVY RAINS FROM THIS SLOW MOVING THUNDERSTORM MAY FLOOD LOW LYING AND POOR DRAINAGE AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS.
Special weather statement, Aug 11, 2:07 PM EDT, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 207 PM EDT WED AUG 11 2004 CTZ005-NYZ068>070-111900- EASTERN PUTNAM-SOUTHEASTERN ROCKLAND-NORTHERN WESTCHESTER-NORTH CENTRAL FAIRFIELD- 207 PM EDT WED AUG 11 2004 AT 207 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY HAS DETECTED AN AREA OF THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF FARMER MILLS TO NYACK...MOVING NORTHEAST AT 35 MPH. THUNDERSTORMS SHOULD BE IN THE VICINITY OF... YORKTOWN HEIGHTS...THORNWOOD...PLEASANTVILLE...MAHOPAC AROUND 215 PM... LAKE CARMEL AROUND 220 PM... FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN OBSERVED WITH THESE STORMS. HEAVY RAINS FROM THIS SLOW MOVING THUNDERSTORM MAY FLOOD LOW LYING AND POOR DRAINAGE AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS.
Special weather statement, Aug 11, 2:29 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE UPTON NY 229 PM EDT WED AUG 11 2004 CTZ005-009-NJZ006-NYZ070>077-111930- HUDSON-BRONX-KINGS-WESTERN NASSAU-NEW YORK-QUEENS-RICHMOND- WESTCHESTER-WESTERN FAIRFIELD- 229 PM EDT WED AUG 11 2004 AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY HAS DETECTED AN AREA OF THUNDERSTORMS ALONG A LINE EXTENDING FROM WESTCHESTER TO STATEN ISLAND...MOVING NORTHEAST AT 25 MPH. THESE STORMS WILL AFFECT THE NEW YORK CITY METRO AREA BETWEEN 230 AND 330 PM. FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN OBSERVED WITH THESE STORMS. STAY INDOORS UNTIL THESE STORMS PASS. HEAVY RAINS FROM THIS SLOW MOVING THUNDERSTORM MAY FLOOD LOW LYING AND POOR DRAINAGE AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS.
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 1:34 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Rockland | 26 min |
| Aug 11, 2:17 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 58 min |
| Aug 11, 2:22 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 53 min |
| Aug 11, 2:35 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York | 25 min |
| Aug 11, 2:45 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 45 min |
| Aug 11, 2:48 PM EDT | Special Marine Warning | OKX | 57 min | |
| Aug 11, 3:12 PM EDT | Special Marine Warning | OKX | 48 min | |
| Aug 11, 4:05 PM EDT | Special Marine Warning | OKX | 55 min | |
| Aug 11, 4:36 PM EDT | Flash Flood Warning | OKX | Nassau | 114 min |
| Aug 11, 4:59 PM EDT | Special Marine Warning | OKX | 61 min | |
| Aug 11, 6:12 PM EDT | Special Marine Warning | OKX | 63 min | |
| Aug 11, 6:18 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 3 hr |
| Aug 11, 6:25 PM EDT | Special Marine Warning | OKX | 65 min | |
| Aug 11, 7:11 PM EDT | Special Marine Warning | OKX | 64 min |
Nearby
Flash Flood Warnings in New York, 2004Every flash flood warning in 2004
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.