Alert archive / New York / Tornado Watches in 2012
Tornado Watch 525
The Storm Prediction Center issued this tornado watch at Jul 26, 2012, 2:10 PM EDT for 5 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2012, 2:10 PM EDT (18:10 UTC)
- Expired
- Jul 26, 2012, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 70 kt
All 43 counties
Northwest Hills Planning Region, CT, Berkshire County, MA, Albany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Yates County, NY, Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA, Bennington County, VT, Windham County, VT
The radar
The Binghamton radar (KBGM), 53 km from the middle of the area, began a volume at 18:13 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 50%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:25 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 80 min |
| Jul 26, 3:24 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Steuben | 66 min |
| Jul 26, 3:35 PM EDT | Tornado Warning | BGM | Chemung, Steuben | 40 min |
| Jul 26, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 65 min |
| Jul 26, 4:00 PM EDT | Tornado Warning | BGM | Chemung, Tioga | 45 min |
| Jul 26, 4:17 PM EDT | Tornado Warning | BGM | Bradford | 43 min |
| Jul 26, 4:20 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Tioga | 55 min |
| Jul 26, 4:24 PM EDT | Tornado Warning | BGM | Broome, Chenango, Tioga | 36 min |
| Jul 26, 4:30 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 60 min |
| Jul 26, 4:49 PM EDT | Tornado Warning | BGM | Susquehanna, Wayne | 56 min |
| Jul 26, 4:53 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 67 min |
| Jul 26, 5:04 PM EDT | Tornado Warning | BGM | Broome, Delaware | 56 min |
| Jul 26, 5:06 PM EDT | Tornado Warning | BGM | Luzerne | 54 min |
| Jul 26, 5:19 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 56 min |
| Jul 26, 5:36 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 54 min |
| Jul 26, 5:40 PM EDT | Tornado Warning | BGM | Sullivan | 50 min |
| Jul 26, 6:01 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 29 min |
| Jul 26, 6:29 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 61 min |
| Jul 26, 7:12 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 46 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.2 hours before the alert went out and 133 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
- 991 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
562
WWUS20 KWNS 261809
SEL5
SPC WW 261809
CTZ000-MAZ000-NYZ000-PAZ000-VTZ000-270100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 525
NWS STORM PREDICTION CENTER NORMAN OK
210 PM EDT THU JUL 26 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN CONNECTICUT
WESTERN MASSACHUSETTS
CENTRAL AND EASTERN NEW YORK
NORTHEAST PENNSYLVANIA
SOUTHERN VERMONT
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
900 PM EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH SOUTHWEST OF
ELMIRA NEW YORK TO 20 MILES NORTHEAST OF PITTSFIELD
MASSACHUSETTS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 524...
DISCUSSION...INTENSE THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
THE WATCH AREA THIS AFTERNOON. ONE CLUSTER OF ONGOING STORMS OVER
WESTERN NY/PA WILL MOVE RAPIDLY EASTWARD WITH A THREAT OF DAMAGING
WINDS AND HAIL. OTHER MORE DISCRETE STORMS MAY FORM ON/NORTH OF
RETREATING WARM FRONT. THESE STORMS WILL POTENTIALLY BECOME
SUPERCELLULAR WITH A RISK OF LARGE HAIL...DAMAGING WINDS...AND
ISOLATED TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
...HARTSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min | |
| Jul 26, 3:37 PM EDT | Mesoscale Discussion | SPC | 113 min | |
| Jul 26, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | Greater Bridgeport Planning Region, Capitol Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region | 6 hr |
| Jul 26, 6:04 PM EDT | Mesoscale Discussion | SPC | 86 min | |
| Jul 26, 7:28 PM EDT | Mesoscale Discussion | SPC | 92 min | |
| Jul 26, 1:15 AM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more | 2 hr |
| Jul 26, 4:31 AM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Chemung, Livingston, Ontario and 5 more | 89 min |
| Jul 26, 12:26 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Chemung, Schuyler, Steuben | 2 hr |
| Jul 26, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Cattaraugus, Chautauqua | 9 hr |
| Jul 26, 6:06 PM EDT | Mesoscale Discussion | SPC | Allegheny, Fayette, Greene, Somerset, Washington, Westmoreland | 84 min |
Nearby
Tornado Watches in New York, 2012Tornado Watches in Pennsylvania, 2012Tornado Watches in Vermont, 2012Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.