Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 71, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 9, 1999, 3:46 PM EST for Vigo County, Indiana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1999, 3:46 PM EST (20:46 UTC)
- Expired
- Jun 9, 1999, 4:20 PM EST
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Vigo County, IN
The radar
The Indianapolis radar (KIND), 100 km from the middle of the area, began a volume at 20:47 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.8 hours before the alert went out and 131 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 092045 SVRIND INC167-092120- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 346 PM EST WED JUN 9 1999 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... VIGO COUNTY IN WEST CENTRAL INDIANA * UNTIL 420 PM EST * AT 345 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES OF TERRE HAUTE... MOVING NORTH AROUND 5 v MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SANDCUT AT 350 PM EST ATHERTON AT 355 PM EST DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS!
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 1 minute 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, 4:03 PM EST | Severe Thunderstorm Warning | IND | Morgan | 42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.