Alert archive / New York / Special Weather Statements in 2018

Special Weather Statement, NWS Buffalo, NY

August 22, 2018Livingston County, New York

NWS Buffalo, NY issued this special weather statement at Aug 22, 2018, 3:08 PM EDT for Livingston County, New York. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 22, 2018, 3:08 PM EDT (19:08 UTC)
Expired
Aug 22, 2018, 3:30 PM EDT
In force
22 min
Issued by
NWS Buffalo, NY

County Livingston County, NY

The radar

The Buffalo radar (KBUF), 106 km from the middle of the area, began a volume at 19:08 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 12:00Z, 7.1 hours before the alert went out and 102 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 12:00Z on 2018-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2018-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.193958Sfc1 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
26 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-23 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

991 
WWUS81 KBUF 221908
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
308 PM EDT WED AUG 22 2018

NYZ013-014-221930-
Ontario-Livingston-
308 PM EDT WED AUG 22 2018

...A SHOWER WILL AFFECT EAST CENTRAL LIVINGSTON AND SOUTHWESTERN
ONTARIO COUNTIES...

At 307 PM EDT, a shower was located near Hemlock, or 11 miles east of
Geneseo, moving southeast at 35 mph.

Winds in excess of 30 mph and pea size hail are possible with this
shower.

Locations impacted include...
Conesus, Naples, Honeoye, Hemlock, Springwater, Canadice, Livonia,
Bristol Mountain and Hunt Hollow.

LAT...LON 4269 7775 4285 7764 4276 7731 4273 7734
      4267 7736 4267 7737 4258 7737 4258 7751
TIME...MOT...LOC 1907Z 296DEG 30KT 4274 7761 

$$

HSK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 10:31 PM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more21 hr

Nearby

Special Weather Statements in New York, 2018Every special weather statement in 2018

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.