Alert archive / Indiana / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 166, NWS Indianapolis, IN

November 15, 1989Clay County, Parke County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Nov 15, 1989, 9:08 AM EST for Clay County, Parke County, Indiana. It was in force for 37 min. 1 report 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
Nov 15, 1989, 9:08 AM EST (14:08 UTC)
Expired
Nov 15, 1989, 9:45 AM EST
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clay County, IN, Parke County, IN

The radar

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

What was reported inside it

TimeReportWhereRemark
Nov 15, 9:30 AM ESTHail 0.75Clay, IN

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 12:00Z, 2.1 hours before the alert went out and 240 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, Peoria Regional, IL at 12:00Z on 1989-11-15Temperature 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, Peoria Regional, IL at 12:00Z on 1989-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897Sfc1 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
588 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
209 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 Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 8:45 AM ESTSevere Thunderstorm WarningINDVigo45 min
Nov 15, 9:26 AM ESTSevere Thunderstorm WarningINDPutnam49 min
Nov 15, 9:31 AM ESTSevere Thunderstorm WarningINDCarroll, Tippecanoe29 min
Nov 15, 9:43 AM ESTSevere Thunderstorm WarningINDBoone, Clinton32 min
Nov 15, 11:00 AM ESTSevere Thunderstorm WarningINDDelaware30 min
Nov 15, 12:37 PM ESTSevere Thunderstorm WarningINDDubois53 min
Nov 15, 1:07 PM ESTSevere Thunderstorm WarningINDRandolph, Wayne38 min
Nov 15, 5:29 PM ESTSevere Thunderstorm WarningINDMonroe42 min
Nov 15, 7:50 AM ESTSevere Thunderstorm WarningINDJasper40 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.