Alert archive / New York / Flash Flood Warnings in 2003
Flash Flood Warning 47, NWS New York, NY
NWS New York, NY issued this flash flood warning at Dec 24, 2003, 8:00 PM EST for Rockland County, New York. It was in force for 7 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
- Dec 24, 2003, 8:00 PM EST (01:00 UTC)
- Expired
- Dec 25, 2003, 3:00 AM EST
- In force
- 7 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Rockland County, NY
The radar
The Brookhaven radar (KOKX), 102 km from the middle of the area, began a volume at 01:02 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 00:00Z, 1.0 hours before the alert went out and 102 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KOKX 250057 FFWOKX NYC087-240800- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE UPTON NY 800 PM EST WED DEC 24 2003 THE NATIONAL WEATHER SERVICE IN UPTON NY HAS CONTINUED THE * FLASH FLOOD WARNING FOR... ROCKLAND COUNTY IN SOUTHEAST NEW YORK * UNTIL 300 AM EST THURSDAY * ALTHOUGH THE RAIN HAS ENDED...THE MAHWAH RIVER AT SUFFERN AT 730 PM WAS AT 4.7 FEET. FLOOD STAGE IS AT 4.0 FEET. THE RIVER HAS CRESTED AND WILL SLOWLY RETURN TO WITHIN ITS BANKS LATER TONIGHT. SOME OTHER SMALL RIVERS AND STREAMS IN ROCKLAND COUNTY THAT MAY STILL BE OUT OF THEIR BANKS AT THIS TIME WILL ALSO RECEDE LATER TONIGHT. IN THE MEANTIME...DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY...THE WATER MAY BE DEEPER THAN YOU THINK. $$ EKH
2 follow-up statements
000 WGUS71 KOKX 250540 FFSOKX NYC087-250900- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE UPTON, NY 1230 AM EST THU DEC 25 2003 ...THE NATIONAL WEATHER SERVICE CONTINUES THE FLASH FLOOD WARNING FOR ROCKLAND COUNTY IN SOUTHEAST NEW YORK... THE MAHWAH RIVER AT SUFFERN AT 1230 AM WAS AT 4.40 FEET. FLOOD STAGE IS AT 4.0 FEET. THE RIVER HAS CRESTED AND WILL SLOWLY RETURN TO WITHIN ITS BANKS AROUND 500 AM. SOME OTHER SMALL RIVERS AND STREAMS IN ROCKLAND COUNTY THAT MAY STILL BE OUT OF THEIR BANKS AT THIS TIME WILL ALSO RECEDE OVERNIGHT. IN THE MEANTIME...DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY...THE WATER MAY BE DEEPER THAN YOU THINK. $$
000 WGUS71 KOKX 250807 FFSOKX NYC087-251000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE UPTON NY 307 AM EST THU DEC 25 2003 ...THE FLASH FLOOD WARNING FOR ROCKLAND COUNTY NEW YORK HAS EXPIRED... THE MAHWAH RIVER AT SUFFERN WAS AT A LEVEL OF 4.18 FEET AT 300 AM. THE RIVER CRESTED LATE WEDNESDAY NIGHT AND SHOULD RETURN TO BELOW ITS FLOOD STAGE OF 4.0 FEET BY AROUND 500 AM. NO ADDITIONAL FLOODING IS EXPECTED IN THE COUNTY. IN THE MEANTIME...DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY...THE WATER MAY BE DEEPER THAN YOU THINK. $$ REYNOLDS
Nearby
Flash Flood Warnings in New York, 2003Every flash flood warning in 2003
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.