Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 34, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 23, 2012, 11:45 PM EDT for Genesee County, Livingston County, Wyoming County, New York. It was in force for 34 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
- Jul 23, 2012, 11:45 PM EDT (03:45 UTC)
- Expired
- Jul 24, 2012, 12:19 AM EDT
- In force
- 34 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Genesee County, NY, Livingston County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 65 km from the middle of the area, began a volume at 03:46 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 |
|---|---|---|---|
| Jul 23, 11:46 PM EDT | TSTM WND DMG | Covington, NY | TREE LIMBS DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 3.8 hours before the alert went out and 324 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
- 673 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 1266 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 398 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
523
WUUS51 KBUF 240345
SVRBUF
NYC037-051-121-240430-
/O.NEW.KBUF.SV.W.0034.120724T0345Z-120724T0430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1145 PM EDT MON JUL 23 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN GENESEE COUNTY IN WESTERN NEW YORK
NORTHWESTERN LIVINGSTON COUNTY IN WESTERN NEW YORK
NORTHEASTERN WYOMING COUNTY IN WESTERN NEW YORK
* UNTIL 1230 AM EDT
* AT 1141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
PAVILION...OR 12 MILES SOUTHEAST OF BATAVIA...AND MOVING EAST AT 35
MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
WYOMING...
COVINGTON...
LEICESTER...
MOUNT MORRIS...
GENESEO...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4277 7841 4298 7797 4295 7775 4294 7776
4294 7769 4293 7763 4268 7777 4257 7818
TIME...MOT...LOC 0345Z 292DEG 32KT 4283 7804
$$
HITCHCOCK2 follow-up statements
485
WWUS51 KBUF 240358
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1158 PM EDT MON JUL 23 2012
NYC037-240407-
/O.CAN.KBUF.SV.W.0034.000000T0000Z-120724T0430Z/
GENESEE NY-
1158 PM EDT MON JUL 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GENESEE COUNTY IS
CANCELLED...
THUNDERSTORMS HAVE MOVED SOUTHEAST OF THE COUNTY...THEREFORE THE
WARNING HAS BEEN CANCELLED.
LAT...LON 4257 7818 4272 7835 4289 7791 4286 7767
4267 7777
TIME...MOT...LOC 0357Z 294DEG 32KT 4271 7808
$$
NYC051-121-240430-
/O.CON.KBUF.SV.W.0034.000000T0000Z-120724T0430Z/
LIVINGSTON NY-WYOMING NY-
1158 PM EDT MON JUL 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT
FOR NORTHEASTERN WYOMING AND CENTRAL LIVINGSTON COUNTIES...
AT 1154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR WARSAW...OR 16 MILES WEST OF GENESEO...MOVING SOUTHEAST
AT 35 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
GAINESVILLE...
CASTILE...
LETCHWORTH STATE PARK...
PERRY...
MOUNT MORRIS...
SONYEA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4257 7818 4272 7835 4289 7791 4286 7767
4267 7777
TIME...MOT...LOC 0357Z 294DEG 32KT 4271 7808
$$
HITCHCOCK387
WWUS51 KBUF 240419
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1219 AM EDT TUE JUL 24 2012
NYC051-121-240429-
/O.CAN.KBUF.SV.W.0034.000000T0000Z-120724T0430Z/
LIVINGSTON NY-WYOMING NY-
1219 AM EDT TUE JUL 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WYOMING AND CENTRAL
LIVINGSTON COUNTIES IS CANCELLED...
AT 1219 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.
LAT...LON 4257 7818 4272 7835 4289 7791 4286 7767
4267 7777
TIME...MOT...LOC 0419Z 294DEG 32KT 4263 7784
$$
HITCHCOCKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 11:02 PM EDT | Special Weather Statement | BUF | Oswego | 58 min |
| Jul 23, 11:20 PM EDT | Special Weather Statement | BUF | Jefferson | 55 min |
| Jul 24, 12:46 AM EDT | Special Weather Statement | BUF | Allegany | 44 min |
| Jul 24, 12:51 AM EDT | Severe Thunderstorm Warning | BUF | Allegany | 24 min |
| Jul 24, 3:58 AM EDT | Small Craft Advisory | BUF | 16 hr | |
| Jul 24, 2:30 PM EDT | Special Weather Statement | BUF | Oswego | 45 min |
Nearby
Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning in 2012
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.