Alert archive / Indiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 33, NWS Louisville, KY

April 25, 2019Crawford County, Perry County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Apr 25, 2019, 4:44 PM EDT for Crawford County, Perry County, Indiana. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 25, 2019, 4:44 PM EDT (20:44 UTC)
Expired
Apr 25, 2019, 5:15 PM EDT
In force
31 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Crawford County, IN, Perry County, IN

The radar

The Louisville radar (KLVX), 58 km from the middle of the area, began a volume at 20:45 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.7 hours before the alert went out and 275 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 12:00Z on 2019-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 12:00Z on 2019-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
6 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 6:38 PM EDTSpecial Weather StatementLMKBullitt, Jefferson22 min
Apr 25, 6:56 PM EDTSpecial Weather StatementLMKOldham, Trimble49 min
Apr 25, 7:10 PM EDTSevere Thunderstorm WarningLMKHenry, Oldham, Trimble35 min
Apr 25, 7:22 PM EDTSevere Thunderstorm WarningLMKHenry, Shelby23 min
Apr 25, 7:46 PM EDTSevere Thunderstorm WarningLMKHenry14 min
Apr 25, 4:48 PM EDTSpecial Weather StatementLMKHarrison42 min
Apr 25, 4:54 PM EDTSevere Thunderstorm WarningLMKHarrison22 min
Apr 25, 5:32 PM EDTSevere Thunderstorm WarningLMKWashington28 min
Apr 25, 5:38 PM EDTSpecial Weather StatementLMKFloyd37 min
Apr 25, 5:48 PM EDTSpecial Weather StatementLMKDubois12 min
Apr 25, 5:57 PM EDTSpecial Weather StatementLMKWashington48 min
Apr 25, 6:17 PM EDTSpecial Weather StatementLMKClark, Floyd, Scott43 min
Apr 25, 7:03 PM EDTSpecial Weather StatementLMKJefferson27 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2019Every severe thunderstorm warning in 2019

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.