Alert archive / New York / Tornado Warnings in 1999
Tornado Warning 3, NWS Albany, NY
NWS Albany, NY issued this tornado warning at Aug 13, 1999, 9:15 PM EDT for Rensselaer County, New York. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 13, 1999, 9:15 PM EDT (01:15 UTC)
- Expired
- Aug 13, 1999, 10:00 PM EDT
- In force
- 45 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 01:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 9:15 PM EDT | Thunderstorm Wind | Brunswick, NY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 1.3 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.
- Mixed-layer CAPE
- 1901 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 741 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 15.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KALB 140114 RRA TORALB NYC083-140200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ALBANY NY 915 PM EDT FRI AUG 13 1999 THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A * TORNADO WARNING FOR... RENSSELAER COUNTY IN EASTERN NEW YORK * UNTIL 1000 PM EDT * AT 915 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED POSSIBLE TORNADO ABOUT 5 MILES EAST OF TROY MOVING EAST ABOUT 25 MILES AN HOUR. * THE POSSIBLE TORNADO WILL BE NEAR... 5 MILES NORTH OF POESTENKILL AT 920 PM GRAFTON AT 935 PM 5 MILES NORTH OF BERLIN AT 945 PM IF YOU LIVE IN THIS AREA BE READY TO SEEK SHELTER IN A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST LEVEL...AWAY FROM WINDOWS2. $$ |42.754 73.599 |42.754 73.486 |42.754 73.373 |42.754 73.260 |42.754 73.148 CERNIGLIA
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Albany, NY wrote its last area forecast discussion before this tornado warning went out at Aug 13, 9:11 PM EDT, 4 minutes earlier.
Area forecast discussion, Aug 13, 9:11 PM EDT, 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ALBANY NY 913 PM EDT FRI 13 1999 .DISC...A VRY BUSY NIGHT AS SVR WX ACRS CAP DSTRCT. .SHORT TERM...A VRY STG SUPERCELL MOVG JST N OF ALBANY AT MOMENT. EXTREMELY JUICY AIRMASS WITH TDS IN 70S. 00Z KALY SNDG VRY IMPRESSIVE WITH CAPES ARND 1500 J/KG...HELICITY 323...SWEAT INDEX OF 382. SO FAR RPTS OF 50 KT WNDS AT KALB AND QUARTER SIZE HAIL JST N OF TROY. WL ADD HEIGHTENED WRDG TO FCST...WITH MTN OF STG GUSTY WNDS...HAIL AND TORRENTIAL DWONPOURS. .LONG TERM...NO CHNGS TO PRVS FCST. ALY...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT ULSTER AND DUTCHESS COUNTIES.
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:35 PM EDT | Tornado Warning | ALY | Albany, Rensselaer | 40 min |
Nearby
Tornado Warnings in New York, 1999Every tornado warning in 1999Tornadoes in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.