Alert archive / New York / Tornado Warnings in 2009

Tornado Warning 13, NWS Binghamton, NY

August 21, 2009Sullivan County, New York

NWS Binghamton, NY issued this tornado warning at Aug 21, 2009, 1:26 PM EDT for Sullivan County, New York. It was in force for 34 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
Aug 21, 2009, 1:26 PM EDT (17:26 UTC)
Expired
Aug 21, 2009, 2:00 PM EDT
In force
34 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon

County Sullivan County, NY

The radar

The Albany radar (KENX), 100 km from the middle of the area, began a volume at 17:29 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 21, 10:47 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.4 hours before the alert went out and 119 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2009-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1602 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2009-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1602 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KBGM 211726
TORBGM
NYC105-211800-
/O.NEW.KBGM.TO.W.0013.090821T1726Z-090821T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
126 PM EDT FRI AUG 21 2009

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL SULLIVAN COUNTY IN CENTRAL NEW YORK...

* UNTIL 200 PM EDT

* AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HARRIS...
  MOVING NORTHEAST AT 20 MPH.

* THE STORM CAPABLE OF PRODUCING THE TORNADO WILL BE NEAR...
  HURLEYVILLE AND KIAMESHA BY 140 PM EDT...
  FALLSBURG...SOUTH FALLSBURG AND LOCH SHELDRAKE BY 145 PM EDT...
  WOODBOURNE...WOODRIDGE AND NEVERSINK BY 150 PM EDT...
  GRAHAMSVILLE BY 200 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 TORNADO...SEEK SHELTER IN A BASEMENT
OR AN INTERIOR ROOM...AWAY FROM WINDOWS.

&&

LAT...LON 4175 7457 4171 7451 4170 7449 4165 7476
      4175 7481 4192 7456 4188 7446 4186 7446
TIME...MOT...LOC 1726Z 244DEG 17KT 4170 7475

$$
2 follow-up statements
000 
WWUS51 KBGM 211742
SVSBGM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
142 PM EDT FRI AUG 21 2009

NYC105-211800-
/O.CON.KBGM.TO.W.0013.000000T0000Z-090821T1800Z/
SULLIVAN NY-
142 PM EDT FRI AUG 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM EDT FOR EAST
CENTRAL SULLIVAN COUNTY...

AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HASBROUCK...MOVING
NORTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  GRAHAMSVILLE BY 155 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...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA.

&&

LAT...LON 4176 7456 4174 7461 4179 7469 4188 7461
      4192 7456 4188 7446 4186 7446
TIME...MOT...LOC 1742Z 227DEG 19KT 4178 7462

$$
000 
WWUS51 KBGM 211758
SVSBGM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
158 PM EDT FRI AUG 21 2009

NYC105-211807-
/O.EXP.KBGM.TO.W.0013.000000T0000Z-090821T1800Z/
SULLIVAN NY-
158 PM EDT FRI AUG 21 2009

...THE TORNADO WARNING FOR EAST CENTRAL SULLIVAN COUNTY WILL EXPIRE
AT 200 PM EDT...

THE SEVERE THUNDERSTORM IS MOVING OUT OF EASTERN SULLIVAN COUNTY AND 
THE TORNADO WARNING WILL EXPIRE AT 20 PM. 

HOWEVER...ADDITIONAL SEVERE THUNDERSTORMS ARE POSSIBLE THIS 
AFTERNOON. 

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA.

LAT...LON 4176 7456 4174 7461 4179 7469 4188 7461
      4192 7456 4188 7446 4186 7446
TIME...MOT...LOC 1757Z 227DEG 19KT 4183 7454

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 10:31 PM EDTSevere Thunderstorm WarningBGMSteuben59 min
Aug 21, 11:39 AM EDTSevere Thunderstorm WarningBGMSullivan53 min
Aug 21, 12:18 PM EDTSevere Thunderstorm WarningBGMSullivan42 min
Aug 21, 12:28 PM EDTTornado WarningBGMSullivan62 min
Aug 21, 12:49 PM EDTTornado WarningBGMSullivan41 min
Aug 21, 1:17 PM EDTAreal Flood AdvisoryBGMSullivan3 hr
Aug 21, 1:48 PM EDTSevere Thunderstorm WarningBGMSullivan57 min
Aug 21, 2:01 PM EDTSevere Thunderstorm WarningBGMSullivan44 min

Nearby

Tornado Warnings in New York, 2009Every tornado warning in 2009Tornadoes 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.