Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 145, NWS Buffalo, NY

August 10, 2008Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 10, 2008, 3:56 PM EDT for Monroe County, New York. It was in force for 34 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: Aug 10, 2008, 3:56 PM EDT (19:56 UTC)
Expired: Aug 10, 2008, 4:30 PM EDT
In force: 34 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 75 km from the middle of the area, began a volume at 19:55 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.9 hours before the alert went out and 72 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: 400 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 101956
SVRBUF
NYC055-102100-
/O.NEW.KBUF.SV.W.0145.080810T1956Z-080810T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
356 PM EDT SUN AUG 10 2008

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 351 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CHURCHVILLE...OR 9 MILES SOUTH OF BROCKPORT...AND MOVING NORTHEAST
  AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHURCHVILLE AT 400 PM EDT...
  SPENCERPORT BY 415 PM EDT...
  GATES-NORTH GATES BY 425 PM EDT...
  GREECE BY 430 PM EDT...
  ROCHESTER BY 435 PM EDT...
  IRONDEQUOIT BY 445 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4310 7793 4310 7792 4313 7791 4314 7795
      4335 7784 4321 7752 4303 7788
TIME...MOT...LOC 1956Z 230DEG 17KT 4311 7786

$$

HITCHCOCK

2 follow-up statements

000 
WWUS51 KBUF 102019
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
419 PM EDT SUN AUG 10 2008

NYC055-102100-
/O.CON.KBUF.SV.W.0145.000000T0000Z-080810T2100Z/
MONROE NY-
418 PM EDT SUN AUG 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR WESTERN MONROE COUNTY...

AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED NEAR SPENCERPORT AND GATES...MOVING NORTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  GATES-NORTH GATES BY 425 PM EDT...
  GREECE BY 430 PM EDT...
  WESTERN PORTIONS OF ROCHESTER BY 435 PM EDT...
  IRONDEQUOIT BY 445 PM EDT...

TRAINED WEATHER SPOTTERS HAVE REPORTED SOME ROTATION WITH THIS 
STORM. WHILE NOT IMMINENT...SEVERE THUNDERSTORMS CAN AND DO PRODUCE 
TORNADOES.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4335 7784 4324 7760 4322 7753 4321 7753
      4320 7753 4309 7776 4316 7786
TIME...MOT...LOC 2018Z 230DEG 17KT 4317 7776

$$

HITCHCOCK

000 
WWUS51 KBUF 102030
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
430 PM EDT SUN AUG 10 2008

NYC055-102040-
/O.CAN.KBUF.SV.W.0145.000000T0000Z-080810T2100Z/
MONROE NY-
430 PM EDT SUN AUG 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE COUNTY IS
CANCELLED...

AT 430 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

PLEASE REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO 
THE NATIONAL WEATHER SERVICE IN BUFFALO.

LAT...LON 4335 7784 4324 7760 4322 7753 4321 7753
      4320 7753 4309 7776 4316 7786
TIME...MOT...LOC 2030Z 230DEG 17KT 4321 7770

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:19 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	27 min
Aug 9, 8:20 PM EDT	Special Marine Warning	BUF		40 min
Aug 9, 8:22 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	31 min
Aug 9, 8:33 PM EDT	Special Marine Warning	BUF		57 min
Aug 9, 9:04 PM EDT	Special Marine Warning	BUF		86 min
Aug 9, 9:32 PM EDT	Areal Flood Advisory	BUF	Chautauqua, Erie	3 hr
Aug 10, 11:01 AM EDT	Special Marine Warning	BUF		119 min
Aug 10, 11:18 AM EDT	Areal Flood Advisory	BUF	Erie	117 min
Aug 10, 1:07 PM EDT	Special Marine Warning	BUF		3 hr
Aug 10, 1:15 PM EDT	Special Marine Warning	BUF		3 hr
Aug 10, 1:25 PM EDT	Flash Flood Warning	BUF	Erie	2 hr
Aug 10, 3:53 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	52 min
Aug 10, 4:08 PM EDT	Special Marine Warning	BUF		82 min
Aug 10, 4:45 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	60 min
Aug 10, 5:49 PM EDT	Areal Flood Advisory	BUF	Cayuga	3 hr
Aug 10, 6:26 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	49 min
Aug 10, 6:50 PM EDT	Areal Flood Advisory	BUF	Oswego	3 hr
Aug 10, 6:53 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	45 min
Aug 10, 7:00 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	20 min
Aug 10, 7:11 PM EDT	Special Marine Warning	BUF		85 min

Nearby

Severe Thunderstorm Warnings in New York, 2008 Every severe thunderstorm warning in 2008

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.