Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Pittsburgh, PA

December 11, 2021Monroe County, Ohio

NWS Pittsburgh, PA issued this special weather statement at Dec 11, 2021, 7:37 AM EST for Monroe County, Ohio. It was in force for 38 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
Dec 11, 2021, 7:37 AM EST (12:37 UTC)
Expired
Dec 11, 2021, 8:15 AM EST
In force
38 min
Issued by
NWS Pittsburgh, PA
Hail
0.00 in
Wind
55

County Monroe County, OH

The radar

The Pittsburgh radar (KPBZ), 117 km from the middle of the area, began a volume at 12:37 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

Pittsburgh, PA (KPIT), launched 12:00Z, 0.6 hours before the alert went out and 112 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, Pittsburgh, PA at 12:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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, Pittsburgh, PA at 12:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 761 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
72 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
761 m²/s²
0-3 km storm-relative helicity
820 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

341 
WWUS81 KPBZ 111237
SPSPBZ

Special Weather Statement
National Weather Service Pittsburgh PA
737 AM EST Sat Dec 11 2021
 
OHZ059-069-WVZ004-012-111315-
Monroe OH-Belmont OH-Marshall WV-Wetzel WV-
737 AM EST Sat Dec 11 2021

...A STRONG THUNDERSTORM WILL IMPACT MONROE...SOUTH CENTRAL
BELMONT...NORTHWESTERN WETZEL AND MARSHALL COUNTIES THROUGH 815 AM
EST...

At 736 AM EST, Doppler radar was tracking a strong thunderstorm 7
miles south of Woodsfield, moving northeast at 50 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
New Martinsville, Woodsfield, Paden City, Powhatan Point, Sardis,
Beallsville, Clarington, Lewisville, Wilson, Cameron, Fly, and
Antioch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3955 8078 3956 8081 3956 8082 3960 8085
      3958 8089 3961 8095 3954 8103 3957 8104
      3957 8105 3958 8126 3978 8123 3994 8086
      3977 8054
TIME...MOT...LOC 1236Z 239DEG 46KT 3966 8114 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 11, 6:41 AM ESTSpecial Weather StatementPBZMercer34 min
Dec 11, 7:50 AM ESTSpecial Weather StatementPBZMercer25 min
Dec 11, 8:15 AM ESTSpecial Weather StatementPBZVenango30 min
Dec 11, 10:18 AM ESTSpecial Weather StatementPBZGreene27 min
Dec 11, 10:46 AM ESTSpecial Weather StatementPBZFayette29 min
Dec 11, 12:14 PM ESTSpecial Weather StatementPBZCoshocton, Tuscarawas31 min
Dec 11, 12:21 PM ESTSevere Thunderstorm WarningPBZCoshocton, Muskingum24 min
Dec 11, 12:47 PM ESTSpecial Weather StatementPBZCoshocton, Muskingum, Tuscarawas28 min

Nearby

Special Weather Statements in Ohio, 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.