Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 74, NWS Buffalo, NY

July 9, 2007Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 9, 2007, 5:43 PM EDT for Oswego County, New York. It was in force for 62 min. 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
Jul 9, 2007, 5:43 PM EDT (21:43 UTC)
Expired
Jul 9, 2007, 6:45 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 69 km from the middle of the area, began a volume at 21:46 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
Jul 9, 6:00 PM EDTTSTM WND DMGCaughdenoy, NYSEVERAL WILLOW TREES DOWN, ONE ON A SHED. WIRES DOWN.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 9, 1:50 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.7 hours before the alert went out and 201 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 2007-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 961 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 2007-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
961 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1129 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 092143
SVRBUF
NYC075-092245-
/O.NEW.KBUF.SV.W.0074.070709T2143Z-070709T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
543 PM EDT MON JUL 9 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 645 PM EDT

* AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF
  FULTON...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FULTON BY 550 PM EDT...
  PHOENIX BY 600 PM EDT...
  CENTRAL SQUARE BY 615 PM EDT...

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

LAT...LON 4337 7661 4325 7658 4318 7580 4339 7582

$$

SFM
2 follow-up statements
000 
WWUS51 KBUF 092209
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
609 PM EDT MON JUL 9 2007

NYC075-092245-
/O.CON.KBUF.SV.W.0074.000000T0000Z-070709T2245Z/
OSWEGO NY-
609 PM EDT MON JUL 9 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR OSWEGO COUNTY...

AT 606 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR SAND
RIDGE...OR ABOUT 6 MILES NORTH OF CLAY...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CENTRAL SQUARE BY 615 PM EDT...
  CONSTANTIA BY 625 PM EDT...

LAT...LON 4337 7657 4328 7653 4321 7593 4340 7591

$$

SFM
000 
WWUS51 KBUF 092239
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
638 PM EDT MON JUL 9 2007

NYC075-092248-
/O.EXP.KBUF.SV.W.0074.000000T0000Z-070709T2245Z/
OSWEGO NY-
638 PM EDT MON JUL 9 2007

...THE SEVERE THUNDERSTORM WARNING FOR OSWEGO COUNTY EXPIRES AT 645
PM EDT...

THE STORM NEAR CLEVELAND WILL MOVE OUT OF THE COUNTY BY 645 PM EDT.

LAT...LON 4337 7657 4328 7653 4321 7593 4340 7591

$$

SFM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 11:51 PM EDTSpecial Marine WarningBUF84 min
Jul 9, 1:52 AM EDTSpecial Marine WarningBUF53 min
Jul 9, 2:10 AM EDTSevere Thunderstorm WarningBUFCayuga50 min
Jul 9, 2:13 AM EDTSevere Thunderstorm WarningBUFOswego62 min
Jul 9, 2:30 AM EDTSpecial Marine WarningBUF60 min
Jul 9, 2:33 AM EDTSevere Thunderstorm WarningBUFWayne27 min
Jul 9, 2:53 AM EDTSpecial Marine WarningBUF52 min
Jul 9, 3:15 AM EDTSevere Thunderstorm WarningBUFOswego30 min
Jul 9, 3:23 AM EDTSevere Thunderstorm WarningBUFLewis67 min
Jul 9, 4:12 PM EDTSpecial Marine WarningBUF33 min
Jul 9, 4:23 PM EDTSpecial Marine WarningBUF67 min
Jul 9, 4:34 PM EDTSpecial Marine WarningBUF56 min
Jul 9, 5:34 PM EDTSpecial Marine WarningBUF50 min
Jul 9, 6:28 PM EDTSpecial Marine WarningBUF81 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.