Alert archive / New York / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Albany, NY

August 1, 2012Warren County, New York

NWS Albany, NY issued this flash flood warning at Aug 1, 2012, 6:07 PM EDT for Warren County, New York. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 1, 2012, 6:07 PM EDT (22:07 UTC)
Expired
Aug 1, 2012, 8:25 PM EDT
In force
2 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

County Warren County, NY

The radar

The Albany radar (KENX), 101 km from the middle of the area, began a volume at 22:10 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.

What was reported inside it

TimeReportWhereRemark
Aug 1, 6:40 PM EDTFLASH FLOODFrench Mountain, NYSEVERAL INCHES OF WATER ON ROUTE 9

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.1 hours before the alert went out and 86 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2012-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 139 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2012-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
139 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

825 
WGUS51 KALY 012207
FFWALY
NYC113-020100-
/O.NEW.KALY.FF.W.0002.120801T2207Z-120802T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
607 PM EDT WED AUG 1 2012

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL WARREN COUNTY IN EAST CENTRAL NEW YORK...
  THIS INCLUDES THE CITIES OF...WARRENSBURG...LAKE GEORGE VILLAGE...

* UNTIL 900 PM EDT

* AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THE POTENTIAL FOR FLASH FLOODING FROM A THUNDERSTORM OVER THE      
  WARNED AREA. RADAR ESTIMATES AROUND 2 INCHES OF RAIN HAS FALLEN    
  BETWEEN WARRENSBURG AND LAKE GEORGE VILLAGE...AND ANOTHER 1 TO 2   
  INCHES OF RAIN IS POSSIBLE THROUGH 8 PM...AS THUNDERSTORMS         
  CONTINUE TO FORM AND TRACK EAST AT 5 TO 10 MPH THROUGH THE AREA.   
  RUN OFF FROM RAINFALL SHOULD CONTINUE THROUGH 9 PM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AREAS      
  BETWEEN AND INCLUDING WARRENSBURG...LAKE GEORGE AND BOLTON         
  LANDING.  THIS INCLUDES A SECTION OF THE NORTHWAY INTERSTATE       
  87 BETWEEN EXITS 21 AND 24.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

&&

LAT...LON 4341 7387 4340 7398 4358 7395 4360 7367
      4360 7360 4351 7364 4335 7361 4334 7384

$$

NAS
1 follow-up statement
851 
WGUS71 KALY 020025
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
825 PM EDT WED AUG 1 2012

NYC113-020035-
/O.CAN.KALY.FF.W.0002.000000T0000Z-120802T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NY-
825 PM EDT WED AUG 1 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL WARREN
COUNTY...

THE HEAVY RAIN HAS EXITED AND MUCH OF THE RAINFALL HAS RUN OFF.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV

LAT...LON 4341 7387 4340 7398 4358 7395 4360 7367
      4360 7360 4351 7364 4335 7361 4334 7384

$$

NAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:10 PM EDTSpecial Weather StatementALYHerkimer65 min
Jul 31, 8:33 PM EDTSpecial Weather StatementALYMontgomery57 min
Jul 31, 9:13 PM EDTSpecial Weather StatementALYFulton, Hamilton, Herkimer62 min
Aug 1, 3:07 PM EDTSpecial Weather StatementALYAlbany, Schenectady53 min
Aug 1, 3:54 PM EDTSpecial Weather StatementALYFulton, Montgomery66 min
Aug 1, 3:57 PM EDTSpecial Weather StatementALYHamilton, Herkimer, Warren63 min
Aug 1, 5:04 PM EDTSpecial Weather StatementALYMontgomery56 min
Aug 1, 5:25 PM EDTSpecial Weather StatementALYColumbia65 min
Aug 1, 5:27 PM EDTSpecial Weather StatementALYUlster48 min
Aug 1, 5:31 PM EDTAreal Flood AdvisoryALYWarren3 hr

Nearby

Flash Flood Warnings in New York, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.