Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 31, NWS Buffalo, NY

June 19, 2007Allegany County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 19, 2007, 12:21 PM EDT for Allegany County, New York. It was in force for 54 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
Jun 19, 2007, 12:21 PM EDT (16:21 UTC)
Expired
Jun 19, 2007, 1:15 PM EDT
In force
54 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 16:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 19, 12:19 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.4 hours before the alert went out and 87 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, Buffalo Intl Airport, NY at 12:00Z on 2007-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 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, Buffalo Intl Airport, NY at 12:00Z on 2007-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
150 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1612 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 191621
SVRBUF
NYC003-191715-
/O.NEW.KBUF.SV.W.0031.070619T1621Z-070619T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1221 PM EDT TUE JUN 19 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALLEGANY COUNTY IN WESTERN NEW YORK

* UNTIL 115 PM EDT

* AT 1213 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM RUSHFORD TO 20 MILES WEST OF WELLSVILLE...MOVING NORTHEAST AT 
  35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WELLSVILLE BY 1245 PM EDT...
  WHITESVILLE BY 1255 PM EDT...
  ALFRED BY 100 PM EDT...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE 
DAMAGING HAIL. THE LINE OF STORMS WILL ALSO CONTAIN FREQUENT CLOUD 
TO GROUND LIGHTNING.  SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND 
STAY AWAY FROM WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7827 4202 7828 4202 7777 4246 7776

$$

RSH
2 follow-up statements
000 
WWUS51 KBUF 191654
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1253 PM EDT TUE JUN 19 2007

NYC003-191715-
/O.CON.KBUF.SV.W.0031.000000T0000Z-070619T1715Z/
ALLEGANY NY-
1253 PM EDT TUE JUN 19 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR ALLEGANY COUNTY...

AT 1247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM BIRDSALL TO NEAR BOLIVAR...MOVING NORTHEAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WELLSVILLE AND STANNARDS AND CANASERAGA BY 100 PM EDT...
  WHITESVILLE BY 105 PM EDT...
  ANDOVER AND ALFRED BY 110 PM EDT...

THE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE AND WILL ALSO 
PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7827 4202 7828 4202 7777 4246 7776

$$
RSH
000 
WWUS51 KBUF 191719
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
118 PM EDT TUE JUN 19 2007

NYC003-191728-
/O.EXP.KBUF.SV.W.0031.000000T0000Z-070619T1715Z/
ALLEGANY NY-
118 PM EDT TUE JUN 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR ALLEGANY COUNTY EXPIRED AT 115
PM EDT...

THE STORMS RESPONSIBLE FOR THE INITIAL SEVERE THUNDERSTORM WARNING 
HAVE MOVED OUT OF THE COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7827 4202 7828 4202 7777 4246 7776

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 11:43 AM EDTSevere Thunderstorm WarningBUFCattaraugus47 min
Jun 19, 11:55 AM EDTSevere Thunderstorm WarningBUFErie35 min
Jun 19, 11:59 AM EDTSevere Thunderstorm WarningBUFWyoming51 min
Jun 19, 12:16 PM EDTSevere Thunderstorm WarningBUFGenesee50 min
Jun 19, 12:41 PM EDTSevere Thunderstorm WarningBUFLivingston41 min
Jun 19, 12:45 PM EDTSevere Thunderstorm WarningBUFMonroe60 min
Jun 19, 1:25 PM EDTSpecial Marine WarningBUF65 min
Jun 19, 1:34 PM EDTSevere Thunderstorm WarningBUFWayne56 min
Jun 19, 2:17 PM EDTSpecial Marine WarningBUF58 min
Jun 19, 2:27 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego48 min
Jun 19, 2:44 PM EDTSpecial Marine WarningBUF61 min
Jun 19, 2:51 PM EDTSevere Thunderstorm WarningBUFChautauqua54 min
Jun 19, 3:00 PM EDTSpecial Marine WarningBUF30 min
Jun 19, 3:07 PM EDTSevere Thunderstorm WarningBUFOswego38 min
Jun 19, 3:20 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis55 min
Jun 19, 3:23 PM EDTSevere Thunderstorm WarningBUFCattaraugus67 min
Jun 19, 3:32 PM EDTTornado WarningBUFChautauqua28 min
Jun 19, 3:43 PM EDTSevere Thunderstorm WarningBUFErie62 min
Jun 19, 3:57 PM EDTSpecial Marine WarningBUF63 min
Jun 19, 4:04 PM EDTSpecial Marine WarningBUF86 min
Jun 19, 4:17 PM EDTSevere Thunderstorm WarningBUFChautauqua58 min
Jun 19, 4:30 PM EDTSevere Thunderstorm WarningBUFGenesee, Wyoming69 min
Jun 19, 4:34 PM EDTSevere Thunderstorm WarningBUFNiagara56 min
Jun 19, 4:45 PM EDTSevere Thunderstorm WarningBUFErie30 min
Jun 19, 4:47 PM EDTSpecial Marine WarningBUF88 min
Jun 19, 4:47 PM EDTSevere Thunderstorm WarningBUFOrleans58 min
Jun 19, 5:00 PM EDTSevere Thunderstorm WarningBUFMonroe90 min
Jun 19, 5:09 PM EDTSevere Thunderstorm WarningBUFLivingston66 min
Jun 19, 5:31 PM EDTSpecial Marine WarningBUF89 min
Jun 19, 5:58 PM EDTSevere Thunderstorm WarningBUFWayne77 min
Jun 19, 6:30 PM EDTSpecial Marine WarningBUF2 hr
Jun 19, 7:05 PM EDTSevere Thunderstorm WarningBUFJefferson, Oswego40 min

Nearby

Severe Thunderstorm Warnings in New York, 2007Every severe thunderstorm warning in 2007

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.