Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

March 24, 2021Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Mar 24, 2021, 11:10 PM EDT for Niagara County, New York. It was in force for 50 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
Mar 24, 2021, 11:10 PM EDT (03:10 UTC)
Expired
Mar 25, 2021, 12:00 AM EDT
In force
50 min
Issued by
NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 41 km from the middle of the area, began a volume at 03:09 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, 3.2 hours before the alert went out and 43 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897Sfc1 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
75 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1437 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

128 
WWUS81 KBUF 250310
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1110 PM EDT Wed Mar 24 2021

NYZ001-002-250400-
Orleans-Niagara-
1110 PM EDT Wed Mar 24 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN NIAGARA AND
NORTHWESTERN ORLEANS COUNTIES...

At 1109 PM EDT, a strong thunderstorm was located just west of 
Youngstown, or 10 miles north of Niagara Falls, moving east at 45 
mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Newfane, Lewiston, Youngstown, Waterport, Fort Niagara State Park,
Lakeside Beach State Park, Ridgeway, Wilson, Lyndonville, Barker,
Olcott, Ransomville, Model City and Appleton.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4340 7864 4342 7829 4329 7824 4315 7905
      4325 7906 4330 7909
TIME...MOT...LOC 0309Z 249DEG 38KT 4324 7910 
$$

Mitchell

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 11:04 PM EDTSpecial Marine WarningBUF56 min
Mar 25, 4:26 AM EDTGale WarningBUF39 hr
Mar 25, 2:08 PM EDTLakeshore Flood WarningBUFChautauqua, Erie26 hr
Mar 25, 2:12 PM EDTHigh Wind WarningBUFCattaraugus, Chautauqua, Erie, Genesee, Monroe, Niagara and 2 more26 hr
Mar 25, 2:12 PM EDTWind AdvisoryBUFAllegany, Cayuga, Jefferson, Livingston, Monroe, Ontario and 2 more29 hr

Nearby

Special Weather Statements in New York, 2021Every special weather statement 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.