Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Albany, NY

May 31, 2002Rensselaer County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 31, 2002, 3:46 PM EDT for Rensselaer County, New York. It was in force for 44 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
May 31, 2002, 3:46 PM EDT (19:46 UTC)
Expired
May 31, 2002, 4:30 PM EDT
In force
44 min
Issued by
NWS Albany, NY
Area
Whole counties

County Rensselaer County, NY

The radar

The Albany radar (KENX), 47 km from the middle of the area, began a volume at 19:46 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
May 31, 2:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 26 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 2002-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2002-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
59 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
141 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.

904 
WUUS51 KALY 311946
SVRALY
NYC083-312030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
346 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN RENSSELAER COUNTY IN EASTERN NEW YORK

* UNTIL 430 PM EDT

* AT 341 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES EAST OF BERLIN TO 9 MILES
  SOUTHWEST OF NASSAU...MOVING SOUTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  STEPHENTOWN AT 350 PM EDT
  BRAINARD AT 400 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND VERY HEAVY
RAIN. PEOPLE OUTSIDE SHOULD MOVE TO A SUBSTANTIAL SHELTER NOW.

$$

LAT...LON 4280 7331 4247 7385 4247 7340 4263 7332

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 12:59 PM EDTSevere Thunderstorm WarningALYHerkimer61 min
May 31, 1:21 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery54 min
May 31, 1:35 PM EDTSevere Thunderstorm WarningALYSaratoga, Warren, Washington55 min
May 31, 1:59 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster61 min
May 31, 2:04 PM EDTSevere Thunderstorm WarningALYSchoharie71 min
May 31, 2:15 PM EDTSevere Thunderstorm WarningALYSaratoga, Schenectady60 min
May 31, 2:17 PM EDTSevere Thunderstorm WarningALYMontgomery43 min
May 31, 2:38 PM EDTSevere Thunderstorm WarningALYWashington67 min
May 31, 2:47 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer58 min
May 31, 3:00 PM EDTSevere Thunderstorm WarningALYDutchess45 min
May 31, 3:49 PM EDTSevere Thunderstorm WarningALYColumbia26 min
May 31, 3:55 PM EDTSevere Thunderstorm WarningALYHerkimer65 min
May 31, 4:16 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery59 min
May 31, 4:46 PM EDTSevere Thunderstorm WarningALYSaratoga59 min
May 31, 4:59 PM EDTSevere Thunderstorm WarningALYDutchess, Schenectady, Ulster61 min
May 31, 5:01 PM EDTSevere Thunderstorm WarningALYSchoharie59 min
May 31, 5:10 PM EDTSevere Thunderstorm WarningALYWashington65 min
May 31, 5:12 PM EDTSevere Thunderstorm WarningALYAlbany63 min
May 31, 5:22 PM EDTSevere Thunderstorm WarningALYRensselaer68 min
May 31, 5:25 PM EDTSevere Thunderstorm WarningALYGreene50 min
May 31, 6:04 PM EDTSevere Thunderstorm WarningALYUlster56 min
May 31, 6:34 PM EDTSevere Thunderstorm WarningALYDutchess56 min
May 31, 6:59 PM EDTTornado WarningALYDutchess31 min

Nearby

Severe Thunderstorm Warnings in New York, 2002Every severe thunderstorm warning in 2002

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.