Alert archive / New York / Areal Flood Warnings in 2021
Areal Flood Warning 2, NWS Buffalo, NY
NWS Buffalo, NY issued this areal flood warning at Jul 13, 2021, 8:04 PM EDT for Monroe County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2021, 8:04 PM EDT (00:04 UTC)
- Expired
- Jul 13, 2021, 11:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Monroe County, NY
The radar
The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 00:08 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, 0.1 hours before the alert went out and 88 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
- 883 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
474
WGUS41 KBUF 140004
FLWBUF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Buffalo NY
804 PM EDT Tue Jul 13 2021
NYC055-140300-
/O.NEW.KBUF.FA.W.0002.210714T0004Z-210714T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-
804 PM EDT Tue Jul 13 2021
The National Weather Service in Buffalo has issued a
* Flood Warning for Urban area and small stream in...
Central Monroe County in western New York...
* Until 1100 PM EDT.
* At 804 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Flooding is ongoing or expected to begin shortly in
the warned area. Between 1 and 2 inches of rain have fallen.
* Some locations that will experience flooding include...
Rochester, Greece, Irondequoit, Chili, Brighton, Gates-North
Gates, Spencerport, Churchville, Riga, Charlotte, Rochester
International Airport and North Chili.
Additional rainfall amounts of 0.5 to 1 inch are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4326 7757 4324 7757 4304 7767 4306 7792
4329 7776
$$
JM2 follow-up statements
769
WGUS81 KBUF 140233
FLSBUF
Flood Statement
National Weather Service Buffalo NY
1033 PM EDT Tue Jul 13 2021
NYC055-140300-
/O.CON.KBUF.FA.W.0002.000000T0000Z-210714T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-
1033 PM EDT Tue Jul 13 2021
...THE URBAN AREA AND SMALL STREAM FLOOD WARNING REMAINS IN EFFECT
UNTIL 11 PM EDT THIS EVENING FOR CENTRAL MONROE COUNTY...
At 1033 PM EDT, Doppler radar indicated slow moving thunderstorms
with very heavy rainfall across the warned area. Between 1.5 and 2.5
inches of rain have fallen.
Some locations that will experience flooding include...
Rochester, Greece, Irondequoit, Chili, Brighton, Gates-North
Gates, Spencerport, Churchville, Riga, Charlotte, Rochester
International Airport and North Chili.
Additional rainfall amounts will be light in the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4326 7757 4324 7757 4304 7767 4306 7792
4329 7776
$$
JM498
WGUS81 KBUF 140301
FLSBUF
Flood Statement
National Weather Service Buffalo NY
1101 PM EDT Tue Jul 13 2021
NYC055-140311-
/O.EXP.KBUF.FA.W.0002.000000T0000Z-210714T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monroe NY-
1101 PM EDT Tue Jul 13 2021
...THE URBAN AREA AND SMALL STREAM FLOOD WARNING HAS EXPIRED FOR
CENTRAL MONROE COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 4326 7757 4324 7757 4304 7767 4306 7792
4329 7776
$$
JMThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:00 PM EDT | Special Marine Warning | BUF | 45 min | |
| Jul 13, 8:04 PM EDT | Special Weather Statement | BUF | Jefferson | 41 min |
| Jul 13, 8:16 PM EDT | Special Weather Statement | BUF | Ontario, Wayne | 44 min |
| Jul 13, 8:28 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Jul 13, 8:35 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 55 min |
| Jul 13, 9:03 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 27 min |
| Jul 13, 9:25 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Lewis, Oswego | 65 min |
| Jul 13, 9:38 PM EDT | Special Marine Warning | BUF | 82 min | |
| Jul 13, 10:17 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 73 min |
| Jul 14, 4:07 AM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 3 hr |
| Jul 14, 5:45 AM EDT | Special Weather Statement | BUF | Wyoming | 60 min |
| Jul 14, 7:15 AM EDT | Areal Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Wyoming | 3 hr |
| Jul 14, 2:16 PM EDT | Special Weather Statement | BUF | Niagara | 59 min |
| Jul 14, 3:26 PM EDT | Special Weather Statement | BUF | Genesee | 49 min |
| Jul 14, 5:03 PM EDT | Special Weather Statement | BUF | Ontario | 57 min |
Nearby
Areal Flood Warnings in New York, 2021Every areal flood warning in 2021
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.