Alert archive / Ohio / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, OH

March 18, 2012Logan County, Ohio

NWS Wilmington, OH issued this special weather statement at Mar 18, 2012, 4:21 PM EDT for Logan 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: Mar 18, 2012, 4:21 PM EDT (20:21 UTC)
Expired: Mar 18, 2012, 4:45 PM EDT
In force: 24 min
Issued by: NWS Wilmington, OH

County Logan County, OH

The radar

The Cincinnati radar (KILN), 114 km from the middle of the area, began a volume at 20:22 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, 8.4 hours before the alert went out and 113 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: 429 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1015 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

887 
WWUS81 KILN 182021
SPSILN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
421 PM EDT SUN MAR 18 2012

OHZ044-045-182045-
LOGAN OH-UNION OH-
421 PM EDT SUN MAR 18 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN UNION AND NORTHERN
LOGAN COUNTIES THROUGH 445 PM EDT...

AT 419 PM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR
HUNTSVILLE...MOVING EAST AT 25 MPH.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THIS
STORM. 

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BELLE CENTER...
BELLEFONTAINE AND WEST MANSFIELD.

ALSO...NORTHWOOD...RUSHSYLVANIA...BIG SPRINGS...NEW JERUSALEM...
BYHALIA AND RAYMOND ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THIS STORM BECOMES
STRONGER...THEN A WARNING MAY BE NEEDED.

LAT...LON 4048 8344 4032 8346 4037 8389 4048 8390
      4052 8378

$$

HATZOS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 3:50 PM EDT	Special Weather Statement	ILN	Logan, Union	40 min
Mar 18, 4:10 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Logan, Union	35 min
Mar 18, 4:14 PM EDT	Areal Flood Advisory	ILN	Logan	3 hr
Mar 18, 4:44 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Logan, Union	31 min
Mar 18, 4:46 PM EDT	Special Weather Statement	ILN	Union	29 min
Mar 18, 4:53 PM EDT	Areal Flood Advisory	ILN	Champaign	112 min
Mar 18, 5:10 PM EDT	Special Weather Statement	ILN	Pike	20 min
Mar 18, 5:12 PM EDT	Areal Flood Advisory	ILN	Union	2 hr
Mar 18, 5:14 PM EDT	Special Weather Statement	ILN	Union	31 min
Mar 18, 5:17 PM EDT	Special Weather Statement	ILN	Greene	28 min
Mar 18, 5:18 PM EDT	Special Weather Statement	ILN	Delaware, Union	57 min
Mar 18, 5:25 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Fayette, Greene, Madison	35 min
Mar 18, 5:26 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Delaware, Franklin, Union	49 min
Mar 18, 5:49 PM EDT	Flash Flood Warning	ILN	Champaign, Union	116 min
Mar 18, 5:57 PM EDT	Tornado Warning	ILN	Delaware, Franklin	33 min
Mar 18, 6:02 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Madison, Pickaway, Ross	43 min
Mar 18, 6:05 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Madison	40 min
Mar 18, 6:15 PM EDT	Areal Flood Advisory	ILN	Delaware, Franklin	3 hr
Mar 18, 6:25 PM EDT	Tornado Warning	ILN	Delaware, Franklin, Licking	35 min
Mar 18, 6:41 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Licking	49 min
Mar 18, 6:42 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Pickaway	33 min
Mar 18, 6:45 PM EDT	Areal Flood Advisory	ILN	Fairfield, Franklin, Licking	3 hr
Mar 18, 6:57 PM EDT	Special Weather Statement	ILN	Licking	33 min
Mar 18, 7:15 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Hocking, Pickaway	45 min
Mar 18, 7:22 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Licking	53 min
Mar 18, 7:25 PM EDT	Flash Flood Warning	ILN	Franklin, Madison	3 hr
Mar 18, 7:33 PM EDT	Areal Flood Advisory	ILN	Licking	117 min
Mar 18, 7:52 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Hocking	53 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.