Alert archive / New York / Flash Flood Warnings in 2001
Flash Flood Warning 9, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jun 2, 2001, 9:30 AM EDT for Rockland 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 2, 2001, 9:30 AM EDT (13:30 UTC)
- Expired
- Jun 2, 2001, 12:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS New York, NY
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Rockland County, NY
The radar
The Brookhaven radar (KOKX), 109 km from the middle of the area, began a volume at 13:31 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, 1.5 hours before the alert went out and 109 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
- 440 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 117 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 021338
FFWOKX
NYC087-021630-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
930 AM EDT SAT JUN 2 2001
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
ROCKLAND COUNTY IN SOUTHEAST NEW YORK
THIS INCLUDES THE CITIES OF...HAVERSTRAW...NEW CITY...NYACK
* UNTIL 1230 PM EDT
* AT 910 AM EDT...WEATHER SPOTTERS REPORTED FLOODING OCCURRING ALONG
THE MAHWAH RIVER IN HILLBURN.
AT 915 AM EDT...THE MAHWAH RIVER AT SUFFERN WAS AT 3.9 FEET AND
FLOOD STAGE IS 4 FEET. RAIN WILL TAPER OF THIS MORNING AND WATER
LEVELS WILL GRADUALLY BEGIN RECEDE. HOWEVER...ANY ADDITIONAL
RAINFALL THIS MORNING COULD CAUSE THE WATER LEVEL TO RISE TO FLOOD
STAGE AGAIN.
IN ADDITION...ANY OTHER SMALL STREAMS AND CREEKS WHICH ARE OUT OF
THEIR BANKS ACROSS ROCKLAND COUNTY WILL CONTINUE TO FLOOD UNTIL
THE RAIN ENDS. ONCE THE RAIN ENDS...THEIR WATERS LEVELS WILL
GRADUAL RECEDE.
MOTORISTS DRIVING NEAR RIVERS...STREAMS AND CREEKS SHOULD STAY ALERT
FOR POSSIBLE FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE
THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO
ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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 4114 7420 4113 7415 4105 7391 4130 74*01The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:30 AM EDT | Flash Flood Warning | OKX | Rockland | 3 hr |
| Jun 2, 12:30 PM EDT | Flash Flood Warning | OKX | Rockland | 3 hr |
Nearby
Flash Flood Warnings in New York, 2001Every flash flood warning in 2001
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.