Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Binghamton, NY

July 21, 2003Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 21, 2003, 4:00 PM EDT for Steuben County, New York. It was in force for 45 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, 4:00 PM EDT (20:00 UTC)
Expired: Jul 21, 2003, 4:45 PM EDT
In force: 45 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 20:00 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, 8.0 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.

870 
WUUS51 KBGM 212000
SVRBGM
NYC101-212045-

BULLETIN  EAS ACTIVATION REQUIRED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
358 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

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

* UNTIL 445 PM EDT

* AT 355 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES SOUTHWEST OF YOUNG HICKORY...OR ABOUT
  20 MILES SOUTH OF WELLSVILLE...MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TROUPSBURG AND YOUNG HICKORY AT 410 PM EDT
  WOODHULL AT 415 PM EDT
  ADDISON AND LINDLEY AT 425 PM EDT
  PAINTED POST AND GANG MILLS AT 430 PM EDT
  CORNING AND GIBSON AT 435 PM EDT

THE GREATEST THREAT FROM THIS STORM IS DAMAGING WINDS. TAKE COVER IN
A STURDY STRUCTURE UNTIL THE STORM PASSES.

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS IN NORTHWEST 
PENNSYLVANIA. IF YOU ARE IN THE PATH OF THE STORM...MOVE TO A 
SUBSTATNTIAL SHELTER NOW.

$$

LAT...LON 4214 7746 4228 7716 4228 7696 4209 7696
          4200 7718 4199 7777

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, 4:22 PM EDT	Tornado Warning	BGM	Steuben	23 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

Severe Thunderstorm Warnings in New York, 2003 Every severe thunderstorm warning 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.