Alert archive / New York / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 18, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 25, 2009, 8:01 PM EDT for 4 counties in New York. It was in force for 31 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
- Jun 25, 2009, 8:01 PM EDT (00:01 UTC)
- Expired
- Jun 25, 2009, 8:32 PM EDT
- In force
- 31 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Allegany County, NY, Cattaraugus County, NY, Erie County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 58 km from the middle of the area, began a volume at 00:04 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.0 hours before the alert went out and 55 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
- 127 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1645 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBUF 260001 SVRBUF NYC003-009-029-121-260100- /O.NEW.KBUF.SV.W.0018.090626T0001Z-090626T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 801 PM EDT THU JUN 25 2009 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN ALLEGANY COUNTY IN WESTERN NEW YORK NORTHEASTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK SOUTHEASTERN ERIE COUNTY IN WESTERN NEW YORK SOUTHWESTERN WYOMING COUNTY IN WESTERN NEW YORK * UNTIL 900 PM EDT * AT 801 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 SPRINGVILLE...OR 13 MILES SOUTHEAST OF HAMBURG...AND MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SPRINGVILLE BY 810 PM EDT... FRANKLINVILLE BY 850 PM EDT... LAT...LON 4251 7804 4214 7848 4254 7891 4267 7875 TIME...MOT...LOC 0001Z 309DEG 22KT 4255 7873 $$ ZAFF
1 follow-up statement
000 WWUS51 KBUF 260032 SVSBUF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 832 PM EDT THU JUN 25 2009 NYC003-009-029-121-260042- /O.CAN.KBUF.SV.W.0018.000000T0000Z-090626T0100Z/ CATTARAUGUS NY-ALLEGANY NY-WYOMING NY-ERIE NY- 832 PM EDT THU JUN 25 2009 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE... SOUTHWESTERN WYOMING...NORTHWESTERN ALLEGANY AND NORTHEASTERN CATTARAUGUS COUNTIES IS CANCELLED... AT 832 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN CANCELLED. RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM. LAT...LON 4251 7804 4214 7848 4254 7891 4267 7875 TIME...MOT...LOC 0032Z 309DEG 22KT 4243 7853 $$ ZAFF
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:10 PM EDT | Special Marine Warning | BUF | 37 min | |
| Jun 25, 8:14 PM EDT | Special Marine Warning | BUF | 31 min | |
| Jun 26, 5:43 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 62 min |
| Jun 26, 12:10 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe | 65 min |
| Jun 26, 12:17 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston | 37 min |
| Jun 26, 12:28 PM EDT | Special Marine Warning | BUF | 44 min | |
| Jun 26, 12:41 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Orleans, Wayne | 64 min |
| Jun 26, 12:50 PM EDT | Special Marine Warning | BUF | 55 min | |
| Jun 26, 1:06 PM EDT | Special Marine Warning | BUF | 84 min | |
| Jun 26, 1:09 PM EDT | Severe Thunderstorm Warning | BUF | Monroe | 66 min |
| Jun 26, 1:32 PM EDT | Flash Flood Warning | BUF | Monroe, Ontario, Wayne | 3 hr |
| Jun 26, 1:34 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Monroe, Ontario, Wayne | 56 min |
| Jun 26, 1:34 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 29 min |
| Jun 26, 1:47 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Jun 26, 2:23 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario | 67 min |
| Jun 26, 2:47 PM EDT | Special Marine Warning | BUF | 88 min | |
| Jun 26, 3:11 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 49 min |
| Jun 26, 3:46 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 31 min |
| Jun 26, 4:13 PM EDT | Special Marine Warning | BUF | 30 min | |
| Jun 26, 4:39 PM EDT | Flash Flood Warning | BUF | Wyoming | 87 min |
| Jun 26, 5:27 PM EDT | Special Marine Warning | BUF | 32 min |
Nearby
Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009
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.