Alert archive / Ohio / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

July 18, 2011Vinton County, Ohio

NWS Charleston, WV issued this special weather statement at Jul 18, 2011, 7:21 PM EDT for Vinton County, Ohio. It was in force for 24 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: Jul 18, 2011, 7:21 PM EDT (23:21 UTC)
Expired: Jul 18, 2011, 7:45 PM EDT
In force: 24 min
Issued by: NWS Charleston, WV

County Vinton County, OH

The radar

The Charleston,WV radar (KRLX), 126 km from the middle of the area, began a volume at 23:21 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.4 hours before the alert went out and 124 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: 1057 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

046 
WWUS81 KRLX 182321
SPSRLX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
721 PM EDT MON JUL 18 2011

OHZ075-084-182345-
ATHENS OH-VINTON OH-
721 PM EDT MON JUL 18 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN VINTON AND
SOUTHWESTERN ATHENS COUNTIES...

AT 717 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES NORTHWEST
OF LAKE HOPE STATE PARK...MOVING SOUTHEAST AT 35 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN
WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. 

THIS STORM WILL BE NEAR LAKE HOPE STATE PARK AROUND 730 PM.

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

LAT...LON 3935 8215 3920 8225 3920 8230 3919 8232
      3934 8261 3938 8258 3938 8252 3940 8251
      3939 8230 3941 8228

$$

14

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 3:06 PM EDT	Heat Advisory	RLX	Cabell, Jackson, Mason, Putnam, Wayne, Wood	29 hr
Jul 18, 4:30 PM EDT	Special Weather Statement	RLX	Perry	45 min
Jul 18, 5:09 PM EDT	Special Weather Statement	RLX	Morgan, Perry	51 min
Jul 18, 5:46 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Perry, Washington	44 min
Jul 18, 6:06 PM EDT	Special Weather Statement	RLX	Perry	24 min
Jul 18, 6:48 PM EDT	Special Weather Statement	RLX	Vinton	27 min
Jul 18, 7:43 PM EDT	Special Weather Statement	RLX	Vinton	32 min
Jul 18, 7:58 PM EDT	Flash Flood Warning	RLX	Vinton	3 hr

Nearby

Special Weather Statements in Ohio, 2011 Every special weather statement in 2011

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.