Alert archive / New York / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 56, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 21, 2007, 4:02 PM EDT for Jefferson County, New York. It was in force for 43 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, 4:02 PM EDT (20:02 UTC)
- Expired
- Jun 21, 2007, 4:45 PM EDT
- In force
- 43 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), 31 km from the middle of the area, began a volume at 20:04 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, 4:40 PM EDT | HAIL 0.88 | 5 E Henderson, NY | PENNY TO NICKLE SIZE HAIL |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.0 hours before the alert went out and 218 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1404 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 42 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 212002
SVRBUF
NYC045-212045-
/O.NEW.KBUF.SV.W.0056.070621T2002Z-070621T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
402 PM EDT THU JUN 21 2007
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
JEFFERSON COUNTY IN CENTRAL NEW YORK
* UNTIL 445 PM EDT
* AT 400 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF FORT DRUM
TO STONY POINT...MOVING EAST AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WATERTOWN BY 410 PM EDT...
HENDERSON HARBOR BY 415 PM EDT...
ADAMS CENTER BY 425 PM EDT...
ADAMS BY 435 PM EDT...
LAT...LON 4425 7562 4386 7657 4369 7588 4390 7585
4397 7567 4418 7550
$$
RSH2 follow-up statements
000
WWUS51 KBUF 212023
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
423 PM EDT THU JUN 21 2007
NYC045-212045-
/O.CON.KBUF.SV.W.0056.000000T0000Z-070621T2045Z/
JEFFERSON NY-
423 PM EDT THU JUN 21 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR JEFFERSON COUNTY...
AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR HENDERSON HARBOR...OR ABOUT 13 MILES SOUTHWEST OF
WATERTOWN...MOVING SOUTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
ADAMS BY 430 PM EDT...
LAT...LON 4425 7562 4386 7657 4369 7588 4390 7585
4397 7567 4418 7550
$$
TMA000
WWUS51 KBUF 212049
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
447 PM EDT THU JUN 21 2007
NYC045-212057-
/O.EXP.KBUF.SV.W.0056.000000T0000Z-070621T2045Z/
JEFFERSON NY-
447 PM EDT THU JUN 21 2007
...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON COUNTY EXPIRES AT
445 PM EDT...
HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS ARE STILL POSSIBLE THROUGH
515 PM EDT.
LAT...LON 4425 7562 4386 7657 4369 7588 4390 7585
4397 7567 4418 7550
$$
TJPThe 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, 2:28 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 62 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, 4:21 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.