Alert archive / New York / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Buffalo, NY

June 8, 2014Allegany County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 8, 2014, 7:17 PM EDT for Allegany County, New York. It was in force for 3 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: Jun 8, 2014, 7:17 PM EDT (23:17 UTC)
Expired: Jun 8, 2014, 10:15 PM EDT
In force: 3 hr
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Flood severity: None

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 91 km from the middle of the area, began a volume at 23:18 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

Time	Report	Where	Remark
Jun 8, 8:15 PM EDT	FLASH FLOOD	Cuba, NY	ELM STREET CLOSED AND PORTIONS OF CUBA ELEMENTARY SCHOOL PARKING LOT FLOODED

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.3 hours before the alert went out and 88 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1780 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 30 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.

909 
WGUS51 KBUF 082317
FFWBUF
NYC003-090215-
/O.NEW.KBUF.FF.W.0007.140608T2317Z-140609T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
717 PM EDT SUN JUN 8 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ALLEGANY COUNTY IN WESTERN NEW YORK...

* UNTIL 1015 PM EDT

* AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. THE       
  HEAVIEST RAIN IS EXPECTED IN AND AROUND                            
  BELMONT...ANGELICA...BIRDSALL...AND CUBA. RAINFALL AMOUNTS IN      
  EXCESS OF TWO INCHES ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOVE TO HIGHER GROUND.

&&

LAT...LON 4214 7830 4235 7830 4248 7811 4247 7776
      4212 7775

$$

APFFEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 3:14 PM EDT	Special Weather Statement	BUF	Chautauqua	46 min
Jun 8, 5:44 PM EDT	Areal Flood Advisory	BUF	Cattaraugus, Chautauqua	3 hr
Jun 8, 6:44 PM EDT	Special Weather Statement	BUF	Allegany	46 min
Jun 8, 7:09 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	51 min

Nearby

Flash Flood Warnings in New York, 2014 Every flash flood warning in 2014

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.