Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 98, NWS Northern Indiana

July 9, 1999Adams County, Indiana; Van Wert County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jul 9, 1999, 3:06 PM EST for Adams County, Indiana; Van Wert County, Ohio. It was in force for 49 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 9, 1999, 3:06 PM EST (20:06 UTC)
Expired
Jul 9, 1999, 3:55 PM EST
In force
49 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Adams County, IN, Van Wert County, OH

What was reported inside it

TimeReportWhereRemark
Jul 9, 3:10 PM ESTThunderstorm WindWillshire, OHUntied mobile home blown over
Jul 9, 3:15 PM ESTThunderstorm WindDecatur, INTrees downed.
Jul 9, 3:35 PM ESTThunderstorm WindVenedocia, OHTrees and power lines downed

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 173 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 1999-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1999-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1992 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
257 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
Jul 9, 2:08 PM ESTSevere Thunderstorm WarningIWXDeKalb32 min
Jul 9, 3:41 PM ESTSevere Thunderstorm WarningIWXAllen34 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999Severe Thunderstorm Warnings in Ohio, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.