Alert archive / New York / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 51, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 21, 2007, 2:28 PM EDT for Wayne 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
- Jun 21, 2007, 2:28 PM EDT (18:28 UTC)
- Expired
- Jun 21, 2007, 3:30 PM EDT
- In force
- 62 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Wayne County, NY
The radar
The Ft Drum radar (KTYX), 131 km from the middle of the area, began a volume at 18:29 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 |
|---|---|---|---|
| Jun 21, 2:45 PM EDT | HAIL 0.75 | Macedon, NY | PENNY SIZE HAIL |
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, 6.5 hours before the alert went out and 134 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.
- Mixed-layer CAPE
- 8 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 1597 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KBUF 211828
SVRBUF
NYC117-211930-
/O.NEW.KBUF.SV.W.0051.070621T1828Z-070621T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
228 PM EDT THU JUN 21 2007
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WAYNE COUNTY IN WESTERN NEW YORK
* UNTIL 330 PM EDT
* AT 224 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES
SOUTHWEST OF ONTARIO...OR ABOUT 10 MILES EAST OF ROCHESTER...AND
MOVING EAST SOUTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PALMYRA BY 245 PM EDT...
MARION BY 250 PM EDT...
LAT...LON 4322 7704 4321 7703 4315 7703 4314 7701
4307 7701 4306 7700 4306 7734 4328 7734
4328 7704
$$
RSH2 follow-up statements
000
WWUS51 KBUF 211857
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
255 PM EDT THU JUN 21 2007
NYC117-211930-
/O.CON.KBUF.SV.W.0051.000000T0000Z-070621T1930Z/
WAYNE NY-
255 PM EDT THU JUN 21 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR WAYNE COUNTY...
AT 254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG TO SEVERE THUNDERSTORMS ALONG ROUTE 31 FROM MACEDON
TO NEWARK. THE LINE OF STORMS IS MOVING EAST TO SOUTHEAST AT 40
MILES AN HOUR. TRAINED SKYWARN SPOTTERS HAVE REPORTED PENNY SIZED
HAIL WITH THESE STORMS.
LAT...LON 4322 7704 4321 7703 4315 7703 4314 7701
4307 7701 4306 7700 4306 7734 4328 7734
4328 7704
$$
RSH000
WWUS51 KBUF 211930 RRA
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
331 PM EDT THU JUN 21 2007
NYC117-211941-
/O.EXP.KBUF.SV.W.0051.000000T0000Z-070621T1930Z/
WAYNE NY-
331 PM EDT THU JUN 21 2007
...THE SEVERE THUNDERSTORM WARNING FOR WAYNE COUNTY EXPIRED AT 330 PM
EDT...
AT 331 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 ALLOWED TO EXPIRE.
LAT...LON 4322 7704 4321 7703 4315 7703 4314 7701
4307 7701 4306 7700 4306 7734 4328 7734
4328 7704
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 9:38 AM EDT | Special Marine Warning | BUF | 52 min | |
| Jun 21, 1:19 PM EDT | Special Marine Warning | BUF | 86 min | |
| Jun 21, 2:01 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Orleans | 59 min |
| Jun 21, 2:38 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 67 min |
| Jun 21, 2:43 PM EDT | Special Marine Warning | BUF | 92 min | |
| Jun 21, 2:48 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 72 min |
| Jun 21, 3:03 PM EDT | Severe Thunderstorm Warning | BUF | Monroe | 42 min |
| Jun 21, 3:48 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 36 min |
| Jun 21, 4:02 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 43 min |
| Jun 21, 4:21 PM EDT | Special Marine Warning | BUF | 39 min | |
| Jun 21, 6:41 PM EDT | Special Marine Warning | BUF | 34 min | |
| Jun 21, 7:14 PM EDT | Special Marine Warning | BUF | 46 min | |
| Jun 21, 7:54 PM EDT | Special Marine Warning | BUF | 36 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.