Alert archive / New York / Flash Flood Warnings in 1999

Flash Flood Warning 9, NWS Buffalo, NY

January 24, 19994 counties in New York

NWS Buffalo, NY issued this flash flood warning at Jan 24, 1999, 3:49 AM EST for 4 counties in New York. It was in force for 7 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
Jan 24, 1999, 3:49 AM EST (08:49 UTC)
Expired
Jan 24, 1999, 11:00 AM EST
In force
7 hr
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 08:50 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.8 hours before the alert went out and 104 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 1999-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 1999-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 351 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
351 m²/s²
0-3 km storm-relative helicity
391 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 23, 8:04 PM ESTFlash Flood WarningBUFCattaraugus, Chautauqua, Erie, Genesee, Niagara, Wyoming9 hr
Jan 23, 8:04 PM ESTFlash Flood WarningBUFLivingston, Monroe, Ontario, Orleans, Wayne9 hr
Jan 23, 8:04 PM ESTFlash Flood WarningBUFAllegany9 hr
Jan 24, 3:49 AM ESTFlash Flood WarningBUFErie, Genesee, Niagara, Orleans7 hr
Jan 24, 3:49 AM ESTFlash Flood WarningBUFAllegany, Cattaraugus, Chautauqua, Wyoming7 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.