Alert archive / New York / Flash Flood Warnings in 1999
Flash Flood Warning 21, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Sep 16, 1999, 5:49 PM EDT for Berkshire County, Massachusetts; Albany County, Rensselaer County, New York. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 16, 1999, 5:49 PM EDT (21:49 UTC)
- Expired
- Sep 17, 1999, 4:00 AM EDT
- In force
- 10 hr
- Issued by
- NWS Albany, NY
- Area
- Whole counties
Counties Berkshire County, MA, Albany County, NY, Rensselaer County, NY
The radar
The Albany radar (KENX), 41 km from the middle of the area, began a volume at 21:48 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, 9.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KALB 162149 FFWALB CTC005-MAC003-NYC001-083-170755- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE ALBANY NY 549 PM EDT THU SEP 16 1999 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR ALBANY...RENSSELAER...LITCHFIELD AND BERKSHIRE COUNTIES UNTIL 4 AM EDT FRIDAY... NATIONAL WEATHER SERVICE DOPPLER RADAR AND SPOTTER REPORTS INDICATE THAT 3 TO 5 INCHES OF RAIN HAS ALREADY FALLEN ACROSS THE REGION. TROPICAL MOISTURE WILL CONTINUE TO STREAM INTO THE AREA THROUGH THE EVENING HOURS AS THE RESULT OF FLOYD. AREA STREAMS AND CREEKS ARE LIKELY TO OVERFLOW THEIR BANKS AND LOCALIZED FLOODING ALONG ROADWAYS DUE TO PONDING OF WATER IS ALSO LIKELY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR ALBANY...RENSSELAER...LITCHFIELD AND BERKSHIRE COUNTIES UNTIL 4 AM EDT FRIDAY... NATIONAL WEATHER SERVICE DOPPLER RADAR AND SPOTTER REPORTS INDICATE THAT 3 TO 5 INCHES OF RAIN HAS ALREADY FALLEN ACROSS THE REGION. TROPICAL MOISTURE WILL CONTINUE TO STREAM INTO THE AREA THROUGH THE EVENING HOURS AS THE RESULT OF FLOYD. AREA STREAMS AND CREEKS ARE LIKELY TO OVERFLOW THEIR BANKS AND LOCALIZED FLOODING ALONG ROADWAYS DUE TO PONDING OF WATER IS ALSO LIKELY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OzF UNKNOWN DEPTH. MAC
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 3:59 PM EDT | Flash Flood Warning | ALY | Greene | 12 hr |
| Sep 16, 4:25 PM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Ulster | 11 hr |
| Sep 16, 5:40 PM EDT | Flash Flood Warning | ALY | Ulster | 10 hr |
Nearby
Flash Flood Warnings in New York, 1999Flash Flood Warnings in Massachusetts, 1999Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.