Alert archive / Indiana / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 7, NWS Northern Indiana

April 25, 1989Adams County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 25, 1989, 6:01 PM EST for Adams County, Indiana. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1989, 6:01 PM EST (23:01 UTC)
Expired
Apr 25, 1989, 6:30 PM EST
In force
29 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Adams County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.0 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-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1989-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 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, Dayton/James M C, OH at 12:00Z on 1989-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
339 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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
Apr 25, 6:09 AM ESTSevere Thunderstorm WarningIWXNoble, Whitley51 min
Apr 25, 5:51 PM ESTSevere Thunderstorm WarningIWXHuntington, Wells54 min
Apr 25, 6:32 PM ESTSevere Thunderstorm WarningIWXAdams28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1989Every severe thunderstorm warning in 1989

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.