Alert archive / New York / Flash Flood Warnings in 2016

Flash Flood Warning 9, NWS New York, NY

August 13, 2016Orange County, New York

NWS New York, NY issued this flash flood warning at Aug 13, 2016, 2:21 PM EDT for Orange County, New York. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 13, 2016, 2:21 PM EDT (18:21 UTC)
Expired: Aug 13, 2016, 4:15 PM EDT
In force: 114 min
Issued by: NWS New York, NY
Area: Storm-based polygon
Flood severity: None

County Orange County, NY

The radar

The Binghamton radar (KBGM), 139 km from the middle of the area, began a volume at 18:23 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

Albany, NY (KALY), launched 12:00Z, 6.4 hours before the alert went out and 160 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 356 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

480 
WGUS51 KOKX 131821
FFWOKX
NYC071-132015-
/O.NEW.KOKX.FF.W.0009.160813T1821Z-160813T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
221 PM EDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN ORANGE COUNTY IN SOUTHEASTERN NEW YORK...

* UNTIL 415 PM EDT

* AT 218 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES THAT RAINFALL
  OF 2 TO 3 INCHES HAS ALREADY OCCURRED NEAR AND JUST NORTH OF PORT
  JERVIS, AND ANOTHER INCH OF RAIN IS LIKELY. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW
WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN
BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID
STREAMS OR CREEKS. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER
GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.


&&

LAT...LON 4145 7476 4148 7461 4136 7448 4134 7465
      4136 7469 4137 7469 4138 7471 4139 7471
      4140 7474 4143 7474 4143 7475 4144 7475

$$

GOODMAN

1 follow-up statement

240 
WGUS71 KOKX 131953
FFSOKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
353 PM EDT SAT AUG 13 2016

NYC071-132002-
/O.CAN.KOKX.FF.W.0009.000000T0000Z-160813T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ORANGE NY-
353 PM EDT SAT AUG 13 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL ORANGE COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. ONLY MINOR URBAN FLOODING OCCURRED IN THE
PORT JERVIS AREA. FLASH FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. 

LAT...LON 4145 7476 4148 7461 4136 7448 4134 7465
      4136 7469 4137 7469 4138 7471 4139 7471
      4140 7474 4143 7474 4143 7475 4144 7475

$$

GOODMAN

The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 13, 4:12 AM EDT	Rip Current Statement	OKX	Kings, Queens	17 hr
Aug 13, 12:45 PM EDT	Special Weather Statement	OKX	Orange	45 min
Aug 13, 1:16 PM EDT	Special Marine Warning	OKX		44 min
Aug 13, 1:47 PM EDT	Areal Flood Advisory	OKX	Orange	118 min
Aug 13, 2:30 PM EDT	Special Weather Statement	OKX	Orange	45 min
Aug 13, 3:08 PM EDT	Special Weather Statement	OKX	Orange	52 min
Aug 13, 7:56 PM EDT	Special Weather Statement	OKX	Rockland	49 min

Nearby

Flash Flood Warnings in New York, 2016 Every flash flood warning in 2016

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.