Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Albany, NY

July 21, 2003Albany County, Schenectady County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 21, 2003, 3:18 PM EDT for Albany County, Schenectady County, New York. It was in force for 72 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, 3:18 PM EDT (19:18 UTC)
Expired
Jul 21, 2003, 4:30 PM EDT
In force
72 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Albany County, NY, Schenectady County, NY

The radar

The Albany radar (KENX), 14 km from the middle of the area, began a volume at 19:21 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 nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.3 hours before the alert went out and 15 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 2003-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 159 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 2003-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.19395878Sfc1 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
159 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
906 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KALY 211918
SVRALY
NYC001-093-212030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
318 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ALBANY COUNTY IN EASTERN NEW YORK
  SOUTHERN SCHENECTADY COUNTY IN EASTERN NEW YORK

* UNTIL 430 PM EDT

* AT 316 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF BERNE...OR ABOUT 11 MILES EAST
  OF COBLESKILL...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DELANSON AT 335 PM EDT
  BERNE AT 340 PM EDT
  KNOX AT 345 PM EDT
  DUANESBURG AT 350 PM EDT
  ALTAMONT AND THATCHER STATE PARK AT 405 PM EDT
  VOORHEESVILLE AT 420 PM EDT

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

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN
PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...
FREQUENT LIGHTNING...AND VERY HEAVY RAIN.

$$
WASULA/MAGLARAS

LAT...LON 4261 7377 4257 7424 4264 7417 4270 7417
          4271 7426 4274 7431 4284 7410 4288 7391
          4278 7381 4283 7369 4270 7369

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 2:59 PM EDTSevere Thunderstorm WarningALYSchoharie46 min
Jul 21, 3:12 PM EDTSevere Thunderstorm WarningALYGreene63 min
Jul 21, 3:41 PM EDTTornado WarningALYAlbany, Schenectady49 min
Jul 21, 4:11 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Washington64 min
Jul 21, 6:57 PM EDTSevere Thunderstorm WarningALYSchoharie63 min
Jul 21, 7:09 PM EDTSevere Thunderstorm WarningALYDutchess36 min
Jul 21, 7:09 PM EDTSevere Thunderstorm WarningALYUlster66 min
Jul 21, 7:15 PM EDTSevere Thunderstorm WarningALYGreene75 min
Jul 21, 7:47 PM EDTSevere Thunderstorm WarningALYAlbany58 min

Nearby

Severe Thunderstorm Warnings in New York, 2003Every 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.