Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 46, NWS Buffalo, NY

August 1, 2005Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 1, 2005, 2:40 PM EDT for Jefferson County, New York. It was in force for 65 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: Aug 1, 2005, 2:40 PM EDT (18:40 UTC)
Expired: Aug 1, 2005, 3:45 PM EDT
In force: 65 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 36 km from the middle of the area, began a volume at 18:42 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
Aug 1, 3:35 PM EDT	HAIL 0.88	Chaumont, NY	REPORTED AT SEVERAL LOCATIONS BETWEEN CAPE VINCENT AND CHAUMONT

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, 6.7 hours before the alert went out and 216 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: 367 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 525 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 011840
SVRBUF
NYC045-011945-
/O.NEW.KBUF.SV.W.0046.050801T1840Z-050801T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
240 PM EDT MON AUG 1 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN NORTHERN NEW YORK

* UNTIL 345 PM EDT

* AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 7 MILES SOUTH OF
  CLAYTON...OR ABOUT 15 MILES NORTHWEST OF WATERTOWN...AND WAS MOVING
  EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CALCIUM BY 255 PM EDT...
  EVANS MILLS BY 300 PM EDT...
  FORT DRUM BY 305 PM EDT...
  DEFERIET BY 310 PM EDT...
  CARTHAGE BY 320 PM EDT...

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4416 7550 4410 7555 4407 7549 4401 7551
      4400 7555 4397 7555 4396 7566 4407 7615
      4410 7616 4425 7611

$$

NIZIOL

1 follow-up statement

000 
WWUS51 KBUF 011913
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
310 PM EDT MON AUG 1 2005

NYC045-011945-
/O.CON.KBUF.SV.W.0046.000000T0000Z-050801T1945Z/
JEFFERSON NY-
310 PM EDT MON AUG 1 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 345 PM EDT FOR
JEFFERSON COUNTY...

AT 303 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS MOVING ACROSS THE COUNTY TOWARD THE 
SOUTHEAST AT 35 MPH. A SINGLE STORM LOCATED OVER FORT DRUM WILL 
CONTINUE TO MOVE TO CARTHAGE BY 320 PM. 

A SECOND CLUSTER OF STORMS WAS CROSSING THE ST. LAWRENCE RIVER AT 
CAPE VINCENT AND WILL BE NEAR...

  CHAUMONT BY 315 PM EDT...
  DEXTER BY 325 PM EDT...
  BROWNVILLE BY 330 PM EDT...
  ADAMS CENTER BY 340 PM EDT...

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND HAIL.  
PERSONS IN THE PATH OF THESE STORMS SHOULD TAKE SHELTER IMMEDIATELY. 

LAT...LON 4416 7550 4410 7555 4407 7549 4401 7551
      4400 7555 4397 7555 4396 7583 4372 7590
      4371 7616 4386 7626 4410 7620 4425 7611
      4435 7583

$$

NIZIOL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 2:46 PM EDT	Special Marine Warning	BUF		59 min
Aug 1, 3:27 PM EDT	Special Marine Warning	BUF		33 min
Aug 1, 3:44 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	61 min
Aug 1, 4:24 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	53 min
Aug 1, 4:49 PM EDT	Tornado Warning	BUF	Lewis	27 min
Aug 1, 5:11 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	36 min
Aug 1, 6:27 PM EDT	Special Marine Warning	BUF		33 min
Aug 1, 6:50 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	40 min
Aug 1, 7:28 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	49 min

Nearby

Severe Thunderstorm Warnings in New York, 2005 Every severe thunderstorm warning in 2005

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.