Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 70, NWS Indianapolis, IN

June 9, 1999Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 9, 1999, 2:15 PM EST for Sullivan County, Indiana. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 9, 1999, 2:15 PM EST (19:15 UTC)
Expired
Jun 9, 1999, 2:45 PM EST
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sullivan County, IN

What was reported inside it

TimeReportWhereRemark
Jun 9, 2:30 PM ESTThunderstorm Wind 50Graysville, 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.3 hours before the alert went out and 148 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, Lincoln, IL at 12:00Z on 1999-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1999-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 km3 km6 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
263 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1380 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 091918
SVRIND
INC153-091945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
215 PM EST WED JUN 9 1999

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLIVAN COUNTY IN INDIANA

* UNTIL 245 PM EST

* AT 212 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 4 MILES WEST OF SULLIVAN MOVING VERY LITTLE.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SULLIVAN AT 220 PM EST
  GRAYSVILLE AT 220 PM EST
  SHELBURN AT 225 PM EST
 
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN INDIANAPOLIS.


LAT...LON 3913 8763 3900 8747 3917 8727 3925 8743

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 3:46 PM ESTSevere Thunderstorm WarningINDVigo34 min
Jun 9, 4:03 PM ESTSevere Thunderstorm WarningINDMorgan42 min
Jun 9, 4:11 PM ESTSevere Thunderstorm WarningINDJackson34 min
Jun 9, 5:39 PM ESTSevere Thunderstorm WarningINDHamilton, Marion51 min
Jun 9, 6:09 PM ESTSevere Thunderstorm WarningINDMadison36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.