Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

April 4, 2012Lincoln County, West Virginia

NWS Charleston, WV issued this special weather statement at Apr 4, 2012, 4:21 PM EDT for Lincoln County, West Virginia. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 4, 2012, 4:21 PM EDT (20:21 UTC)
Expired: Apr 4, 2012, 5:00 PM EDT
In force: 39 min
Issued by: NWS Charleston, WV

County Lincoln County, WV

The radar

The Charleston,WV radar (KRLX), 26 km from the middle of the area, began a volume at 20:24 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.

What was reported inside it

Time	Report	Where	Remark
Apr 4, 4:55 PM EDT	HAIL 0.7	Yawkey, WV

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.4 hours before the alert went out and 202 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: 405 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

616 
WWUS81 KRLX 042021
SPSRLX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
421 PM EDT WED APR 4 2012

WVZ013-014-042100-
LINCOLN WV-PUTNAM WV-
421 PM EDT WED APR 4 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN LINCOLN AND
SOUTHWESTERN PUTNAM COUNTIES...

AT 415 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST 
OF HAMLIN...MOVING SOUTHEAST AT 20 MPH...WITH AN OUTFLOW MOVING OUT 
AHEAD OF IT.

WIND GUSTS UP TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS 
STORM.

THIS STORM WILL BE NEAR HAMLIN AROUND 425 PM...MYRA AROUND 430 PM...
SWEETLAND AROUND 435 PM...GRIFFITHSVILLE AROUND 445 PM...YAWKEY
AROUND 450 PM AND SOD AROUND 500 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 3834 8214 3835 8211 3836 8210 3827 8180
      3825 8180 3815 8191 3815 8193 3811 8196
      3829 8220

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 3:39 AM EDT	Flash Flood Watch	RLX	Boone, Lincoln, Logan, McDowell, Mingo, Wayne and 1 more	19 hr
Apr 4, 2:17 PM EDT	Special Weather Statement	RLX	Mingo	43 min
Apr 4, 2:59 PM EDT	Special Weather Statement	RLX	Wayne	31 min
Apr 4, 3:06 PM EDT	Special Weather Statement	RLX	Cabell, Wayne	114 min
Apr 4, 3:22 PM EDT	Special Weather Statement	RLX	Mingo	38 min
Apr 4, 3:28 PM EDT	Special Weather Statement	RLX	McDowell	32 min
Apr 4, 4:05 PM EDT	Special Weather Statement	RLX	Wayne	40 min
Apr 4, 4:07 PM EDT	Special Weather Statement	RLX	Boone, Logan	83 min
Apr 4, 4:25 PM EDT	Special Weather Statement	RLX	McDowell	65 min
Apr 4, 4:47 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Lincoln	31 min
Apr 4, 2:29 PM EDT	Frost Advisory	RLX	Athens, Morgan, Perry, Vinton	18 hr
Apr 4, 1:54 PM EDT	Special Weather Statement	RLX	Boyd	51 min

Nearby

Special Weather Statements in West Virginia, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.