Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 21, NWS Binghamton, NY

April 27, 2011Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Apr 27, 2011, 7:00 PM EDT for Steuben County, New York. It was in force for 60 min. 2 reports 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: Apr 27, 2011, 7:00 PM EDT (23:00 UTC)
Expired: Apr 27, 2011, 8:00 PM EDT
In force: 60 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

County Steuben County, NY

The radar

The Binghamton radar (KBGM), 103 km from the middle of the area, began a volume at 23:03 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
Apr 27, 8:00 PM EDT	TSTM WND DMG	Campbell, NY	ROOF BLOWN OFF HOUSE
Apr 27, 8:04 PM EDT	TORNADO	Campbell, NY	A TORNADO TOUCHED DOWN IN THE TOWN OF CAMPBELL...JUST WEST OF HOUGH ROAD...AT ABOUT 804 PM. THE TORNADO REACHED A PEAK INTENSITY OF EF1...AT SEVERAL POINTS ALONG ITS PATH. MAXIMUM WINDS WERE ESTIMATED TO BE ABOUT 100 MPH...WITH A MAXIMUM WIDTH OF AROUND 150 YA

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
Apr 27, 3:10 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.0 hours before the alert went out and 143 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 27 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 987 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

485 
WUUS51 KBGM 272300
SVRBGM
NYC101-280000-
/O.NEW.KBGM.SV.W.0021.110427T2300Z-110428T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
700 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STEUBEN COUNTY IN CENTRAL NEW YORK...

* UNTIL 800 PM EDT.

* AT 659 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 9 MILES
  SOUTHWEST OF TROUPSBURG...AND MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TROUPSBURG BY 712 PM EDT...
  JASPER BY 720 PM EDT...
  WOODHULL BY 722 PM EDT...
  CAMERON BY 732 PM EDT...
  THURSTON BY 742 PM EDT...
  CAMPBELL AND COOPERS PLAINS BY 746 PM EDT...

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT HAIL...OR DAMAGING WINDS TO
THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT
1-877-633-6772...OR BY EMAIL AT BGM.STORMREPORT@NOAA.GOV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS!

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 4240 7727 4232 7710 4228 7710 4228 7702
      4224 7697 4199 7737 4200 7775
TIME...MOT...LOC 2300Z 228DEG 33KT 4195 7764

$$

PVN

1 follow-up statement

061 
WWUS51 KBGM 272346
SVSBGM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
746 PM EDT WED APR 27 2011

NYC101-280000-
/O.CON.KBGM.SV.W.0021.000000T0000Z-110428T0000Z/
STEUBEN NY-
746 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN STEUBEN COUNTY...

AT 741 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 RISINGVILLE...MOVING NORTHEAST AT 30 MPH. 

ADDITIONAL THUNDERSTORMS MOVING NORTH FROM TIOGA COUNTY WILL MOVE 
INTO SOUTHEASTERN STEUBEN OVER THE NEXT HOUR. 

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAMPBELL...PAINTED POST AND BATH BY 755 PM EDT...
  MEADS CREEK...SONORA AND HORNBY BY 800 PM EDT...

PLEASE REPORT HAIL...OR DAMAGING WINDS TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1-877-633-6772...OR BY EMAIL AT
BGM.STORMREPORT@NOAA.GOV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS!

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 4200 7736 4200 7764 4240 7727 4232 7710
      4228 7710 4228 7702 4224 7697
TIME...MOT...LOC 2346Z 231DEG 27KT 4220 7727

$$

PVN

The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 8:40 PM EDT	Areal Flood Advisory	BGM	Broome, Tioga	3 hr
Apr 26, 8:55 PM EDT	Severe Thunderstorm Warning	BGM	Broome	65 min
Apr 26, 9:05 PM EDT	Flash Flood Warning	BGM	Broome, Chenango, Tioga	4 hr
Apr 26, 9:10 PM EDT	Flash Flood Warning	BGM	Cortland, Madison, Oneida, Onondaga	2 hr
Apr 26, 9:19 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware, Otsego	41 min
Apr 26, 9:35 PM EDT	Areal Flood Advisory	BGM	Delaware, Otsego, Sullivan	4 hr
Apr 26, 9:39 PM EDT	Tornado Warning	BGM	Otsego	51 min
Apr 26, 9:45 PM EDT	Areal Flood Advisory	BGM	Sullivan	4 hr
Apr 26, 9:59 PM EDT	Tornado Warning	BGM	Otsego	34 min
Apr 26, 10:02 PM EDT	River Flood Warning	BGM	Tioga	5 days
Apr 26, 10:02 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Otsego, Sullivan	43 min
Apr 26, 10:07 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	68 min
Apr 26, 10:49 PM EDT	Flash Flood Warning	BGM	Delaware, Otsego	4 hr
Apr 26, 11:48 PM EDT	Areal Flood Advisory	BGM	Sullivan	3 hr
Apr 27, 12:25 AM EDT	Special Weather Statement	BGM	Sullivan	65 min
Apr 27, 1:09 AM EDT	River Flood Warning	BGM	Broome	4 days
Apr 27, 1:09 AM EDT	River Flood Warning	BGM	Broome, Tioga	4 days
Apr 27, 6:00 AM EDT	River Flood Warning	BGM	Broome	58 hr
Apr 27, 6:02 AM EDT	River Flood Warning	BGM	Onondaga	11 days
Apr 27, 11:25 AM EDT	Flash Flood Watch	BGM	Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more	27 hr
Apr 27, 1:27 PM EDT	River Flood Warning	BGM	Onondaga	82 min
Apr 27, 5:33 PM EDT	Special Weather Statement	BGM	Delaware	57 min
Apr 27, 6:49 PM EDT	Severe Thunderstorm Warning	BGM	Steuben, Yates	56 min
Apr 27, 7:40 PM EDT	Flash Flood Warning	BGM	Steuben, Yates	3 hr
Apr 27, 7:43 PM EDT	Severe Thunderstorm Warning	BGM	Cayuga, Onondaga, Seneca	62 min
Apr 27, 7:50 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Steuben, Tioga, Tompkins	55 min
Apr 27, 7:56 PM EDT	Tornado Warning	BGM	Chemung, Schuyler, Seneca, Steuben, Tompkins, Yates	64 min

Nearby

Severe Thunderstorm Warnings in New York, 2011 Every severe thunderstorm warning in 2011

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.