Alert archive / New York / Flash Flood Warnings in 1999
Flash Flood Warning 28, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Sep 17, 1999, 4:16 AM EDT for Columbia County, Greene County, Rensselaer County, New York. It was in force for 8 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 17, 1999, 4:16 AM EDT (08:16 UTC)
- Expired
- Sep 17, 1999, 12:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Albany, NY
- Area
- Whole counties
Counties Columbia County, NY, Greene County, NY, Rensselaer County, NY
The radar
The Albany radar (KENX), 32 km from the middle of the area, began a volume at 08:17 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
Brookhaven, NY (KOKX), launched 00:00Z, 8.3 hours before the alert went out and 187 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
- 385 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 17, 3:48 AM EDT, 28 minutes earlier.
Area forecast discussion, Sep 17, 3:48 AM EDT, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBANY NY
345 AM FRI SEPT 17 1999
WRKZFP AVBL (SEE LTR ONE). ZONES MAY BE A TD LT...SHRTLY AFT 4AM.
.DISC...TS FLOYD NR WORCESTER MA AND MVG TO NE. HOWEVER STRG UA LW
ATTEMPTG 2 CAPTURE FEATURE. FLOYD IS IN THE PROCESS OF BECOMING
EXTRATROPICAL. HOWEVER IT HAS DROPPED ITS LOAD ON OUR FA (AS WELL
MANY OTHERS). RAFL AMNTS RANGED FM 3 TO 11 INCHES WITH CAIRO IN
GREENE COUNTY COMING IN WITH THE WET HONORS. THE 5.60 INCH THAT FELL
ON SEP 16 AT THE ALB INTL ARPT MAY VRY WELL BE THE ALL TIME RECORD
FOR ALY WE WL CONFIRM THAT LTR.
EITHER WAY DROUGHT OF 99 IS ALL BUT OVR NOW WE HV SOME OF THE
GREATEST FLDG WE HV HD IN QUITE SOME TIME. THE HOOSIC RVR AND
TRIBUTARIES AFFECTED BY 10 INCHES OF RAFL ARE AFFECTED THE MOST. FLD
WATCHES WB REPLACED BY FLD WARNINGS IN THIS PCKAGE. MOISTURE HAS
ACTUALLY HALTED ITS NEWD PROGRESSION...AS WSR-88D HAS FILLED BCK IN.
THIS IS A BIT REMINICENT OF WHAT HAPPENING DRG AGNES BUT HOPEFULLY
NOT TO ANYWHERE NEAR THAT EXTREME. H20 LP SHOWS DRY AIR INJECTG BACK
INTO SYSTEM WHICH SHOULD AT LST CUT RAINFALL AMNTS DWN. BUT DAMAGE
DONE SO FFWS STL NEEDED.
PRES GRAD STL VRY TIGHT OVR FA. DRG HGHT OF WND (PK WND OF 43 AT KALY
ERLIER) GRAD WAS ABT 13 KM/1MB ACRS OUR CNTRL RGN GRAD PROGED 2B
CLOSE 2 THAT THRU THIS AM. ALSO...WE WL BE IN MORE FAVORABLE SW QUAD
OF CYCLONIC CIRCULATION WHICH USUALLY YIELD THE HIGHER WIND. ALSO
WEAK CAA. LKG AT BOTH ETA NGM AND UPSTRM SOUNDGS SUPPORT WNDS AT OR
VRY CLS TO MAX GUSTS OF 50 MPH TO REACH THE GRND IN SOME PLCS. NO
REAL INV PRESENT...THOUGH LPS RT WB CLOSER 2 WET THAN DRY. HOWEVER
MOHAWK EFFECT WL ENHANCE THE NWRLY FLW IN THE CD. HIER TRRN SURROUNDG
CD AND PTS E WL ALSO BE UNDER THE GUN AS WELL AS ALL AREAS NE. ONLY
PLC I WL OMIT HIGH WIND WARNING WB IN THE MID HUDSON VLY AS CATSKILLS
SHOULD HELP EFFECTIVELY DIMINISH WND EFFECT THERE. ALSO WE HV 2
CONSIDER THAT LEAFED TREES HV BEEN WEAKEN BY WET GROUND. THIS WB A
MARGINAL EVENT AT BEST BUT WE FEEL ITS BEST 2 REISSUE.
WEATHER GETS BETTER LTR TDY AND ESP TON...AS HI BLDS IN ALG WITH GD
DVM AND DRYG. GRAD RELAXES. IN FACT...DECOUPLG MAY TAKE PLC N AND W
OF CD. STL A BIT OF A BRZ IN THE MOHAWK VLY AND CD. NO FG PLND TO OVN
PCKAGE. BEAUTIFUL DAY ON TAP SAT WITH LOTS OF SUN (A FEW FAIR WX CLDS
OVR HIR TRRN).
WL GO A CAT LOER THAN FWC NUMBERS IN SOME CASES TDY. (FANS DON/T HV A
CLUE). THIS IS DUE TO LOTS OF CLDS AND A COOL BNDRY PRESENT. WL GO
CLS TO FWC NUMBERS THEREAFTER. NO CHANGES PLND 2 EXTENDED.
.ALB...FFW THROUGH NOON...NYZ041>043-047>052-053-054-058>061-VTZ013-
014-MAZ001
HHW THROUGH 3 PM EDT...CTZ001-MAZ001-VTZ-013-014-NYZ041>043-
048>054-058-061-063-066
HWJIVIn the hours before
Local storm report, Sep 16, 10:16 PM EDT, 6 hours before
NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP W
1016PM THU SEP 16 1999
WREN WLSR QHQT QTRF WAPT APTS
00006 FILE 28 RENSSELAER COUNTY BPS NY041013P SEP 16-99
TO NATIONAL WEATHER SERVICE
ATTENTION SEMO DUTY OFFICER
TROPICAL STORM FLOYD
DETAILS CONCERNING EVENT: 1 LOCAL SHELTER HAS BEEN SET UP AT THE
ARMORY IN HOOSIK FALLS VILLAGE
COUNTY(S) AFFECTED: RENSSELAER COUNTY REPORTING FOR RENSSELAER COUNTY
LOCATION (INCLUDING TOWN AND NEAREST ROAD): THE ENTIRE COUNTY
DATE AND TIME CONDITION STARTED: 16 SEPTEMBER 1999 APPROX 1500 HOURS
DATE AND TIME CONDITION ENDED: STILL CONTINUING
EXTENT OF DAMAGE OR AREAS IN DANGER: LOCALIZED FLOODING, SEVERAL TREES DOWN,
NUMEROUS POWER LINES DOWN
NUMBER KILLED: NUMBER INJURED:
REMARKS: NUMEROUS EMERGENCY SERVICE AGENCIES IN OPERATION
:
AUTH PHONE #: 518 270-5252
AUTH COMMUNICATION SUPERVISOR T SMITH
OPER - DAVOCK,BERNARD E 2216Local storm report, Sep 17, 1:55 AM EDT, 2 hours 21 minutes before
NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP B
0155AM FRI SEP 17 1999
BESO WLSR APTS
02459 FILE 28 ESSEX CO SO NY0150000 SEP 17-99
TO DESTINATION(S) AGENCY TITLE
A STATE OF EMERGENCY HAS BEEN DECLARED IN THE TOWNS OF
PORT HENRY AND MORIAH IN ESSEX COUNTY. ALL ROADS ARE CLOSED.
NO UNNECESSARY TRAFFIC.
AUTH SHERIFF HENRY HOMMES 0153
OPER - LAROCK, DONALD 0154The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 8:59 PM EDT | Flash Flood Warning | ALY | Schenectady, Schoharie | 7 hr |
| Sep 16, 8:59 PM EDT | Flash Flood Warning | ALY | Saratoga, Washington | 7 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Albany, Saratoga, Schenectady, Schoharie | 8 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Warren, Washington | 8 hr |
| Sep 16, 8:59 PM EDT | Flash Flood Warning | ALY | Bennington, Windham | 7 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Bennington, Windham | 8 hr |
Nearby
Flash Flood Warnings in New York, 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.