Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 72, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 9, 1999, 4:03 PM EST for Morgan County, Indiana. It was in force for 42 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, 4:03 PM EST (21:03 UTC)
- Expired
- Jun 9, 1999, 4:45 PM EST
- In force
- 42 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Morgan County, IN
The radar
The Indianapolis radar (KIND), 31 km from the middle of the area, began a volume at 21:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 9, 4:06 PM EST | Thunderstorm Wind 50 | Martinsville, 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, 9.1 hours before the alert went out and 200 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 092105 COR SVRIND INC109-092145- BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 403 PM EST WED JUN 9 1999 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MORGAN COUNTY IN INDIANA * UNTIL 445 PM EST * AT 358 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF MARTINSVILLE...OR ABOUT 21 MILES NORTH OF BLOOMINGTON...MOVING NORTH AT 5 MPH. * THE STORM WILL BE NEAR... CENTERTON AT 410 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 3935 8649 3940 8627 3962 8634 3955 8661 CORRECTED TO REMOVE ERRONEOUS WATCH
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 9, 2:45 PM EST, 1 hour 18 minutes before
INZ060-092015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 245 PM EST WED JUN 9 1999 THE SEVERE THUNDERSTORM WARNING FOR SULLIVAN COUNTY IN SOUTHWEST INDIANA HAS EXPIRED. NO DAMAGE HAS BEEN REPORTED FROM THIS STORM. PERIODS OF HEAVY RAIN DID RESULT IN RAINFALL TOTALS OF AROUND AN INCH ACROSS THE COUNTY.
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:15 PM EST | Severe Thunderstorm Warning | IND | Sullivan | 30 min |
| Jun 9, 3:46 PM EST | Severe Thunderstorm Warning | IND | Vigo | 34 min |
| Jun 9, 4:11 PM EST | Severe Thunderstorm Warning | IND | Jackson | 34 min |
| Jun 9, 5:39 PM EST | Severe Thunderstorm Warning | IND | Hamilton, Marion | 51 min |
| Jun 9, 6:09 PM EST | Severe Thunderstorm Warning | IND | Madison | 36 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; radar from the NEXRAD Level II archive.