Alert archive / New York / Flash Flood Warnings in 1990
Flash Flood Warning 23, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Nov 10, 1990, 2:59 PM EST for Sullivan County, New York. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 10, 1990, 2:59 PM EST (19:59 UTC)
- Expired
- Nov 10, 1990, 10:00 PM EST
- In force
- 7 hr
- Issued by
- NWS Albany, NY
- Area
- Whole counties
County Sullivan County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 8.0 hours before the alert went out and 133 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
- 554 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 451 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 101958 FFWALB NYC039-095-105-111-110300- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE ALBANY NY 259 PM EST SAT NOV 10 1990 THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1000 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN EAST NEW YORK ...GREENE COUNTY...SCHOHARIE COUNTY IN SOUTHEAST NEW YORK ...SULLIVAN COUNTY...ULSTER COUNTY SKYWARN AND COOPERATIVE OBSERVERS REPORT MANY SMALL STREAMS RUNNING NEAR BANKFULL IN CATSKILLS. THE UPPER SCHOHARIE CREEK WAS NEAR BANKFULL...ROADS WERE FLOODING IN SUPRISE AND GREENVILLE IN GREENE COUTNY. RAINFALL HAS EXCEEDED 2.00 (TWO) INCHES IN MUCH OF THIS AREA WITH 2.78 INCHES AT TANNERSVILLE. ADDTIONAL HEAVY RAIN WILL CONTINUE THROUGH THE REST OF THE EVENING... DIMISHING TO SCATTERED SHOWERS OVERNIGHT. THIS ADDITIONAL RAINFALL WILL CAUSE MANY SMALL STREAMS TO OVERFLOW THIER BANKS. IF YOU LIVE ON A SMALL STREAM IN THESE COUNTIES MOVE TO HIGHER GROUND AT ONCE...AND COMPLETE ANY PREPARATIONS FOR FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. SNYDER
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.
In the hours before
Special weather statement, Nov 10, 2:19 PM EST, 40 minutes before
NYZ008-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 220 PM EST FRI NOV 10 1990 ...A WINTER STORM WARNING HAS BEEN ISSUED FOR THIS AFTERNOON AND EVENING IN THE SARANAC/LAKE PLACID REGION... A MIX OF RAIN AND SNOW HAS BEEN FALLING TODAY THROUGH THE SARANAC/ LAKE PLACED REGION. SEVERAL INCHES OF SLUSHY SNOW HAS ACCUMULATED... WITH UP TO 4 INCHES AT THE 2000 FOOT LEVEL OF WHITEFACE MOUNTAINS. DURING THE REST OF THE AFTERNOON AND EVENING THE PRECIPITATION WILL TEND TOWARD ALL SNOW. AT TIMES IT WILL COME DOWN HARD. THE SNOW WILL TAPER OFF ABOUT MIDNIGHT. ACCUMULATIONS WILL BE HIGHLY VARIABLE... AVERAGING 4 TO 8 INCHES. LESS WILL FALL IN SOME VALLEYS WITH MORE IN THE HIGH PEAKS. THE SNOW WILL BE HEAVY AND WET. THE WEIGHT OF THE SNOW COULD SNAP LIMBS ...BRINGING DOWN POWER LINES AND CAUSING POWER OUTAGES. THE SNOW WILL TAPER OFF LATE THIS EVENING. A STORM OVER NEW JERSEY WILL MOVE RAPIDLY NORTHEAST AND BE OVER CONNECTICUT LATE THIS EVENING. ANOTHER STATEMENT WILL BE ISSUED BY ABOUT 600 PM.
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 2:59 PM EST | Flash Flood Warning | ALY | Greene, Schoharie, Ulster | 7 hr |
| Nov 10, 4:59 PM EST | Flash Flood Warning | ALY | Saratoga | 5 hr |
Nearby
Flash Flood Warnings in New York, 1990Every flash flood warning in 1990
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.