Alert archive / Indiana / Special Weather Statements in 2011

Special Weather Statement, NWS Louisville, KY

May 23, 2011Washington County, Indiana

NWS Louisville, KY issued this special weather statement at May 23, 2011, 1:11 AM EDT for Washington County, Indiana. It was in force for 19 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 23, 2011, 1:11 AM EDT (05:11 UTC)
Expired
May 23, 2011, 1:30 AM EDT
In force
19 min
Issued by
NWS Louisville, KY

County Washington County, IN

The radar

The Louisville radar (KLVX), 90 km from the middle of the area, began a volume at 05:11 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 00:00Z, 5.2 hours before the alert went out and 218 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, Cncnati-Daytn, OH at 00:00Z on 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 325 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.19395878Sfc1 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
325 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 Louisville, KY wrote its last area forecast discussion before this special weather statement went out at May 22, 10:00 PM EDT, 3 hours 11 minutes earlier.

Area forecast discussion, May 22, 10:00 PM EDT, 3 hours 11 minutes before
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Hazardous weather outlook, May 22, 10:16 PM EDT, 2 hours 55 minutes before
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In the hours before

Special weather statement, May 23, 12:20 AM EDT, 51 minutes before
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Special weather statement, May 23, 1:11 AM EDT, 0 minutes before
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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 2:58 AM EDTSpecial Weather StatementLMKHancock47 min
May 23, 3:23 AM EDTSpecial Weather StatementLMKOhio7 min
May 23, 3:37 AM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade23 min
May 23, 3:57 AM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade33 min
May 23, 4:05 AM EDTSpecial Weather StatementLMKHardin, Larue25 min
May 23, 4:28 AM EDTSpecial Weather StatementLMKBullitt, Jefferson, Marion, Nelson, Spencer, Washington32 min
May 23, 4:42 AM EDTSevere Thunderstorm WarningLMKJefferson, Oldham, Shelby18 min
May 23, 4:57 AM EDTSevere Thunderstorm WarningLMKAnderson, Franklin, Shelby, Spencer, Woodford33 min
May 23, 5:00 AM EDTSpecial Weather StatementLMKHenry, Oldham, Trimble30 min
May 23, 5:04 AM EDTSpecial Weather StatementLMKAnderson, Boyle, Larue, Marion, Mercer, Nelson and 2 more41 min
May 23, 5:11 AM EDTSpecial Weather StatementLMKAdair, Barren, Metcalfe, Taylor49 min
May 23, 5:19 AM EDTSevere Thunderstorm WarningLMKFranklin, Harrison, Scott, Woodford26 min
May 23, 5:40 AM EDTSpecial Weather StatementLMKCumberland20 min
May 23, 5:46 AM EDTSpecial Weather StatementLMKHarrison29 min
May 23, 6:00 AM EDTSpecial Weather StatementLMKBourbon, Boyle, Casey, Clark, Clinton, Fayette and 5 more45 min
May 23, 5:15 PM EDTSpecial Weather StatementLMKBreckinridge, Meade30 min
May 23, 6:05 PM EDTSevere Thunderstorm WarningLMKMeade25 min
May 23, 6:11 PM EDTSevere Thunderstorm WarningLMKJefferson, Oldham, Trimble34 min
May 23, 6:29 PM EDTSpecial Weather StatementLMKSpencer31 min
May 23, 6:33 PM EDTSevere Thunderstorm WarningLMKBullitt, Henry, Jefferson, Oldham, Shelby, Spencer27 min
May 23, 7:02 PM EDTSevere Thunderstorm WarningLMKFranklin, Henry, Scott, Shelby28 min
May 23, 7:38 PM EDTSpecial Weather StatementLMKAnderson, Bullitt, Franklin, Scott, Spencer22 min
May 23, 7:49 PM EDTSevere Thunderstorm WarningLMKHarrison, Nicholas26 min
May 23, 12:20 AM EDTSpecial Weather StatementLMKJefferson10 min
May 23, 1:42 AM EDTSpecial Weather StatementLMKJefferson18 min
May 23, 2:05 AM EDTSpecial Weather StatementLMKWashington25 min
May 23, 2:22 AM EDTSpecial Weather StatementLMKFloyd, Harrison23 min
May 23, 2:33 AM EDTSpecial Weather StatementLMKScott27 min
May 23, 3:01 AM EDTSpecial Weather StatementLMKJefferson14 min
May 23, 3:48 AM EDTSpecial Weather StatementLMKCrawford12 min
May 23, 4:03 AM EDTSpecial Weather StatementLMKWashington27 min
May 23, 4:19 AM EDTSevere Thunderstorm WarningLMKClark, Floyd, Harrison, Scott, Washington26 min
May 23, 4:40 PM EDTSpecial Weather StatementLMKDubois20 min
May 23, 4:43 PM EDTSevere Thunderstorm WarningLMKDubois32 min
May 23, 5:07 PM EDTSevere Thunderstorm WarningLMKCrawford, Dubois, Orange, Perry23 min
May 23, 5:28 PM EDTSevere Thunderstorm WarningLMKCrawford, Harrison, Orange, Washington32 min
May 23, 5:44 PM EDTSpecial Weather StatementLMKFloyd, Harrison31 min
May 23, 5:51 PM EDTSevere Thunderstorm WarningLMKClark, Floyd, Harrison, Jefferson, Scott, Washington24 min
May 23, 6:12 PM EDTSpecial Weather StatementLMKDubois33 min
May 23, 7:21 PM EDTSpecial Weather StatementLMKDubois24 min

Nearby

Special Weather Statements in Indiana, 2011Every 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.