Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

August 29, 2021Erie County, Pennsylvania

NWS Cleveland, OH issued this special weather statement at Aug 29, 2021, 4:17 PM EDT for Erie County, Pennsylvania. It was in force for 43 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 29, 2021, 4:17 PM EDT (20:17 UTC)
Expired: Aug 29, 2021, 5:00 PM EDT
In force: 43 min
Issued by: NWS Cleveland, OH
Hail: 0.50 in
Wind: 50

County Erie County, PA

The radar

The Buffalo radar (KBUF), 150 km from the middle of the area, began a volume at 20:19 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, 8.3 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 580 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WWUS81 KCLE 292017
SPSCLE

Special Weather Statement
National Weather Service Cleveland OH
417 PM EDT Sun Aug 29 2021
 
OHZ089-PAZ001-002-292100-
Ashtabula Lakeshore OH-Northern Erie PA-Southern Erie PA-
417 PM EDT Sun Aug 29 2021

...A strong thunderstorm will impact portions of Erie County through
500 PM EDT...

At 416 PM EDT, Doppler radar was tracking a strong thunderstorm near
Albion, or 7 miles east of Conneaut, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Erie, Conneaut, Corry, Edinboro, North East, Union City, Girard,
Waterford, Albion, Wattsburg, Northwest Harborcreek, Harborcreek,
Lawrence Park, Wesleyville, Lake City, Cranesville, Platea, Mill
Village, McKean and Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4185 7961 4185 8050 4193 8052 4192 8056
      4196 8059 4204 8031 4212 8013 4213 8015
      4214 8009 4215 8011 4214 8014 4217 8012
      4217 8008 4215 8010 4215 8006 4227 7978
      4201 7976 4199 7961
TIME...MOT...LOC 2016Z 255DEG 26KT 4193 8042 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

$$

Griffin

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 12:03 PM EDT	Special Weather Statement	CLE	Knox	42 min
Aug 29, 12:28 PM EDT	Special Weather Statement	CLE	Lorain	47 min
Aug 29, 1:19 PM EDT	Special Weather Statement	CLE	Lorain	41 min
Aug 29, 1:57 PM EDT	Special Weather Statement	CLE	Ashland, Cuyahoga, Erie, Geauga, Huron, Lake and 8 more	48 min
Aug 29, 2:52 PM EDT	Areal Flood Advisory	CLE	Geauga	3 hr
Aug 29, 3:27 PM EDT	Special Weather Statement	CLE	Ashtabula	48 min
Aug 29, 4:19 PM EDT	Special Marine Warning	CLE		41 min
Aug 29, 6:54 PM EDT	Special Weather Statement	CLE	Hancock	51 min
Aug 29, 7:15 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wyandot	27 min
Aug 29, 7:48 PM EDT	Special Weather Statement	CLE	Lucas	57 min
Aug 29, 7:52 PM EDT	Special Marine Warning	CLE		83 min
Aug 29, 1:11 PM EDT	Areal Flood Advisory	CLE	Crawford, Erie	5 hr
Aug 29, 4:44 PM EDT	Special Weather Statement	CLE	Crawford	46 min

Nearby

Special Weather Statements in Pennsylvania, 2021 Every 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.