Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 30, NWS Buffalo, NY

June 19, 2007Genesee County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 19, 2007, 12:16 PM EDT for Genesee County, New York. It was in force for 50 min. 2 reports 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 19, 2007, 12:16 PM EDT (16:16 UTC)
Expired
Jun 19, 2007, 1:06 PM EDT
In force
50 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Genesee County, NY

The radar

The Buffalo radar (KBUF), 41 km from the middle of the area, began a volume at 16:17 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
Jun 19, 12:42 PM EDTTSTM WND DMGByron, NYLIMBS AND WIRES DOWN
Jun 19, 12:48 PM EDTTSTM WND DMGAlexander, NYWIRES DOWN

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, 4.3 hours before the alert went out and 38 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 191616
SVRBUF
NYC037-191715-
/O.NEW.KBUF.SV.W.0030.070619T1616Z-070619T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1216 PM EDT TUE JUN 19 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 115 PM EDT

* AT 1209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR DARIEN...OR ABOUT 13 MILES
  SOUTHWEST OF BATAVIA...AND MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BATAVIA BY 1230 PM EDT...
  LE ROY BY 1245 PM EDT...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE 
DAMAGING HAIL. THE STORM IS ALSO PRODUCING FREQUENT CLOUD TO GROUND 
LIGHTNING. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS

LAT...LON 4300 7841 4289 7841 4289 7798 4312 7796

$$

RSH
2 follow-up statements
000 
WWUS51 KBUF 191652
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1251 PM EDT TUE JUN 19 2007

NYC037-191715-
/O.CON.KBUF.SV.W.0030.000000T0000Z-070619T1715Z/
GENESEE NY-
1251 PM EDT TUE JUN 19 2007

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

AT 1250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR BYRON...OR ABOUT 9
MILES EAST OF BATAVIA...MOVING NORTHEAST AT 35 MPH.

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 4300 7841 4289 7841 4289 7798 4312 7796

$$

RSH
000 
WWUS51 KBUF 191706
SVSBUF

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

NYC037-191716-
/O.CAN.KBUF.SV.W.0030.000000T0000Z-070619T1715Z/
GENESEE NY-
106 PM EDT TUE JUN 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR GENESEE COUNTY IS CANCELLED...

AT 106 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 4300 7841 4289 7841 4289 7798 4312 7796

$$

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, 12:21 PM EDTSevere Thunderstorm WarningBUFAllegany54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.