Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

January 19, 2021Erie County, Pennsylvania

NWS Cleveland, OH issued this special weather statement at Jan 19, 2021, 9:21 AM EST for Erie County, Pennsylvania. It was in force for 84 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
Jan 19, 2021, 9:21 AM EST (14:21 UTC)
Expired
Jan 19, 2021, 10:45 AM EST
In force
84 min
Issued by
NWS Cleveland, OH

County Erie County, PA

The radar

The Buffalo radar (KBUF), 141 km from the middle of the area, began a volume at 14:25 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, 2.4 hours before the alert went out and 142 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 2021-01-19Temperature 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 12:00Z on 2021-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.19395878Sfc1 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
893 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

650 
WWUS81 KCLE 191421
SPSCLE

Special Weather Statement
National Weather Service Cleveland OH
921 AM EST Tue Jan 19 2021

PAZ001-002-191545-
Northern Erie PA-Southern Erie PA-
921 AM EST Tue Jan 19 2021

...An area of snow showers will affect northeastern Erie County 
Until 1100 AM EST....

A band of lake effect snow will be heavy at times across northeast 
portions of Erie County Pennsylvania through 1100 AM EST. 

HAZARDS INCLUDE... 
Visibility dropping to less than a half mile at 
times. Up to 1 inch of quick snow accumulation...

Locations impacted include...
Erie, North East, Northwest Harborcreek, Harborcreek, Lawrence Park,
Wesleyville and Northwest Harborcr.

Use extra caution if you must travel. Rapid changes in visibility and
potentially slick roads may lead to accidents.

LAT...LON 4214 7976 4204 8020 4208 8022 4211 8014
      4213 8015 4212 8012 4214 8014 4215 8013
      4213 8010 4214 8009 4216 8010 4217 8008
      4215 8006 4227 7976
TIME...MOT...LOC 1418Z 257DEG 14KT 4220 7981 

$$

Clark

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 4:06 AM ESTWinter Weather AdvisoryCLEAshtabula, Cuyahoga, Geauga, Lake28 hr
Jan 19, 2:28 PM ESTLake Effect Snow WarningCLEErie17 hr

Nearby

Special Weather Statements in Pennsylvania, 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.