Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 85, NWS Northern Indiana

June 12, 1999Wabash County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 12, 1999, 5:32 PM EST for Wabash County, Indiana. It was in force for 33 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
Jun 12, 1999, 5:32 PM EST (22:32 UTC)
Expired
Jun 12, 1999, 6:05 PM EST
In force
33 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Wabash County, IN

The radar

The Northern Indiana radar (KIWX), 58 km from the middle of the area, began a volume at 22:34 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, 10.5 hours before the alert went out and 231 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 1999-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 722 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 1999-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
722 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1394 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 12:34 PM ESTSevere Thunderstorm WarningIWXBlackford, Jay51 min
Jun 12, 1:27 PM ESTSevere Thunderstorm WarningIWXJay33 min
Jun 12, 5:44 PM ESTSevere Thunderstorm WarningIWXWhitley46 min
Jun 12, 6:13 PM ESTSevere Thunderstorm WarningIWXNoble47 min
Jun 12, 6:19 PM ESTSevere Thunderstorm WarningIWXWabash36 min
Jun 12, 2:15 PM ESTSevere Thunderstorm WarningIWXVan Wert35 min
Jun 11, 8:54 PM ESTSevere Thunderstorm WarningIWXHillsdale31 min
Jun 12, 5:48 PM ESTSevere Thunderstorm WarningIWXBranch, Hillsdale47 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999Every severe thunderstorm warning in 1999

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.