Alert archive / New York / Tornado Warnings in 2003

Tornado Warning 5, NWS Binghamton, NY

July 21, 2003Steuben County, New York

NWS Binghamton, NY issued this tornado warning at Jul 21, 2003, 4:22 PM EDT for Steuben County, New York. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 21, 2003, 4:22 PM EDT (20:22 UTC)
Expired: Jul 21, 2003, 4:45 PM EDT
In force: 23 min
Issued by: NWS Binghamton, NY
Area: Whole counties

County Steuben County, NY

The radar

The Binghamton radar (KBGM), 115 km from the middle of the area, began a volume at 20:23 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.

Issued	Product	Office	Lasted
Jul 21, 1:40 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.4 hours before the alert went out and 130 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: 348 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 653 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

912 
WFUS51 KBGM 212022
TORBGM
NYC101-212045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
421 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN STEUBEN COUNTY IN CENTRAL NEW YORK

* UNTIL 445 PM EDT.

* AT 417 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A
  DEVELOPING TORNADO NEAR TROUPSBURG...OR 23 MILES SOUTH OF
  HORNELL...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ADDISON AT 430 PM.
  ERWINS AND LINDLEY AT 435 PM.
  CORNING AND PAINTED POST AT 440 PM.
  EAST CORNING AND HORNBY AT 445 PM.

FOR YOUR PROTECTION FROM THE DAMAGING WINDS OF A TORNADO...GO TO A
BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.

$$

LAT...LON 4228 7704 4228 7696 4207 7696 4200 7719
          4199 7752 4208 7758

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 1:45 PM EDT	Severe Thunderstorm Warning	BGM	Broome	60 min
Jul 21, 2:08 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	52 min
Jul 21, 2:10 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	50 min
Jul 21, 2:55 PM EDT	Severe Thunderstorm Warning	BGM	Chemung	35 min
Jul 21, 2:59 PM EDT	Severe Thunderstorm Warning	BGM	Delaware	21 min
Jul 21, 4:00 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	45 min
Jul 21, 4:44 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Steuben, Tioga	61 min
Jul 21, 4:46 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Steuben, Tioga	59 min
Jul 21, 5:03 PM EDT	Severe Thunderstorm Warning	BGM	Schuyler, Tompkins	57 min
Jul 21, 5:33 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Cortland	57 min
Jul 21, 5:57 PM EDT	Severe Thunderstorm Warning	BGM	Chenango	48 min
Jul 21, 6:22 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Otsego	53 min
Jul 21, 6:43 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	62 min
Jul 21, 6:44 PM EDT	Severe Thunderstorm Warning	BGM	Sullivan	61 min
Jul 21, 7:08 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Otsego	27 min

Nearby

Tornado Warnings in New York, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.