Alert archive / New York / Flash Flood Warnings in 1990
Flash Flood Warning 7, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Dec 30, 1990, 9:30 AM EST for Jefferson County, Lewis County, New York. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 30, 1990, 9:30 AM EST (14:30 UTC)
- Expired
- Dec 30, 1990, 7:00 PM EST
- In force
- 10 hr
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
Counties Jefferson County, NY, Lewis 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, 2.5 hours before the alert went out and 205 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
- NaN m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 211 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 KBUF 301441 FFWBUF NYC009-013-037-045-049-063-065-121-310000- BULLETIN EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 930 AM EST SUN DEC 30 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 700 PM EST SUNDAY FOR PEOPLE IN THE FOLLOWING NEW YORK COUNTIES... CATTARAUGUS CHAUTAUQUA GENESEE WYOMING NIAGARA JEFFERSON LEWIS NORTHERN ONEIDA THIS EXPANDS WARNINGS THAT ARE ALREADY IN EFFECT FOR ERIE AND ORLEANS COUNTIES THIS AFTERNOON. IN ADDITION FLOOD WATCHES HAVE BEEN POSTED THIS AFTERNOON FOR ALLEGANY COUNTY...AND THE COUNTIES IN THE WESTERN FINGER LAKES REGION. THESE AREAS HAVE NOT RECEIVED AS MUCH RAINFALL AS THOSE PLACES UNDER FLOOD WARNINGS. HOWEVER...THERE IS POTENTIAL FOR HEAVIER RAINFALL HERE THROUGH MID AFTERNOON. RAIN CONTINUED ACROSS WESTERN NEW YORK THIS MORNING. SOME OF THE TWENTY FOUR HOUR RAINFALL TOTALS VALID AT 7AM THIS MORNING INCLUDE: BUFFALO AIRPORT ERIE COUNTY 1.82 INCHES SALAMANCA CATTARAUGUS 1.47 INCHES LEWISTON NIAGARA 1.90 INCHES WARSAW WYOMING 1.05 INCHES HIGHMARKET JEFFERSON 1.92 INCHES BOONVILLE ONEIDA 1.28 INCHES THERE HAVE BEEN MANY REPORTS OF LOCALIZED FLOODING OF LOW LYING AREAS IN THE AREA THIS MORNING. ALL CREEKS AND STREAMS IN WESTERN NEW YORK ARE RUNNING AT BANKFULL. ANOTHER 0.25 TO 0.50 INCHES OF RAINFALL IS FORECAST THROUGH EARLY AFTERNOON. THIS COULD CAUSE SOME OF THE MAJOR STREAMS TO SPILL THEIR BANKS. SPECIFIC STAGE FORECASTS WILL BE ISSUED LATER THIS MORNING. THE HEAVIER RAIN SHOULD DECREASE LATER TODAY AS A COLD FRONT CROSSES THE REGION. TEMPERATURES WILL DROP BELOW FREEZING TONIGHT...AS RAIN CHANGES TO SNOW. A FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED. TAKE NECESSARY PRECAUTIONS TO PROTECT LIFE AND PROPERTY. TAN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 8:15 PM EST | Flash Flood Warning | BUF | Erie | 23 hr |
| Dec 30, 6:05 AM EST | Flash Flood Warning | BUF | Orleans | 13 hr |
| Dec 30, 6:05 AM EST | Flash Flood Warning | BUF | Erie | 13 hr |
| Dec 30, 9:30 AM EST | Flash Flood Warning | BUF | Chautauqua | 10 hr |
| Dec 30, 9:30 AM EST | Flash Flood Warning | BUF | Niagara | 10 hr |
| Dec 30, 9:30 AM EST | Flash Flood Warning | BUF | Cattaraugus, Genesee, Wyoming | 10 hr |
| Dec 30, 9:30 AM EST | Flash Flood Warning | BUF | Oneida | 10 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.