Alert archive / Ohio / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

May 8, 2012Meigs County, Washington County, Ohio

NWS Charleston, WV issued this special weather statement at May 8, 2012, 1:46 AM EDT for Meigs County, Washington County, Ohio. It was in force for 119 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: May 8, 2012, 1:46 AM EDT (05:46 UTC)
Expired: May 8, 2012, 3:45 AM EDT
In force: 119 min
Issued by: NWS Charleston, WV

Counties Meigs County, OH, Washington County, OH

The radar

The Charleston,WV radar (KRLX), 120 km from the middle of the area, began a volume at 05:45 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 00:00Z, 5.8 hours before the alert went out and 172 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: 920 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1102 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this special weather statement went out at May 7, 9:44 PM EDT, 4 hours 2 minutes earlier.

Area forecast discussion, May 7, 9:44 PM EDT, 4 hours 2 minutes before

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Hazardous weather outlook, May 7, 9:55 PM EDT, 3 hours 51 minutes before

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In the hours before

Special weather statement, May 8, 1:46 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
146 AM EDT TUE MAY 8 2012

OHZ075-076-083-085-086-WVZ009-080745-
ATHENS OH-GALLIA OH-JACKSON OH-MEIGS OH-WASHINGTON OH-WOOD WV-
146 AM EDT TUE MAY 8 2012

...HEAVY SHOWERS AND A FEW THUNDERSTORMS WILL AFFECT MEIGS...NORTHERN
GALLIA...NORTHWESTERN WOOD...SOUTHEASTERN ATHENS...SOUTHEASTERN
JACKSON AND WASHINGTON COUNTIES...

AT 131 AM EDT...SHOWERS AND A FEW THUNDERSTORMS...SOME HEAVY...WERE
LOCATED IN A BAND FROM NORTHERN GALLIA AND SOUTHEASTERN JACKSON
COUNTIES IN OHIO...NORTHEASTWARD TO WASHINGTON COUNTY IN OHIO. THESE
SHOWERS WERE MOVING NORTHEAST AROUND 30 MPH...BUT WERE REDEVELOPING
OVER THE SAME AREA. THESE WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS...AND MAY CAUSE
MINOR FLOODING PROBLEMS IN LOW LYING AREAS THAT ARE PRONE TO HIGH
WATER.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-77 BETWEEN MILE
MARKERS 1 AND 17 IN OHIO...AND BETWEEN MILE MARKERS 178 AND 186 IN
WEST VIRGINIA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3961 8139 3960 8129 3961 8127 3958 8126
      3958 8118 3952 8107 3901 8198 3903 8203
      3894 8211 3879 8238 3885 8260 3959 8155
      3959 8149 3964 8148 3965 8146

05

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 9:32 PM EDT	Flash Flood Watch	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 20 more	16 hr
May 8, 4:03 AM EDT	Special Weather Statement	RLX	Jackson, Mason, Putnam, Wirt, Wood	27 min
May 8, 4:54 AM EDT	Flash Flood Warning	RLX	Wood	4 hr
May 8, 5:57 AM EDT	Special Weather Statement	RLX	Jackson, Mason	48 min
May 8, 5:26 AM EDT	Special Weather Statement	RLX	Gallia	19 min
May 8, 9:01 AM EDT	Special Weather Statement	RLX	Lawrence	44 min
May 8, 9:38 AM EDT	Special Weather Statement	RLX	Athens	37 min

Nearby

Special Weather Statements in Ohio, 2012 Every special weather statement in 2012

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.