Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 129, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 19, 1998, 6:28 PM EST for Clinton County, Tipton County, Indiana. It was in force for 62 min. 2 reports 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
- Jul 19, 1998, 6:28 PM EST (23:28 UTC)
- Expired
- Jul 19, 1998, 7:30 PM EST
- In force
- 62 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Clinton County, IN, Tipton County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 19, 6:30 PM EST | Hail 1.75 | Forest, IN | Hail reportedly covered the ground. |
| Jul 19, 6:55 PM EST | Hail 1 | Windfall, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 19, 3:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.5 hours before the alert went out and 199 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
- 954 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 1868 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 192328 SVRIND INC023-159-200030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 628 PM EST SUN JUL 19 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CLINTON COUNTY IN CENTRAL INDIANA TIPTON COUNTY IN CENTRAL INDIANA * UNTIL 730 PM EST * AT 628 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHEAST OF FRANKFORT NEAR FOREST... MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... GROOMSVILLE AT 640 PM EST SHARPSVILLE AT 645 PM EST WINDFALL AT 700 PM EST THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS. ELSON
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:26 AM EST | Severe Thunderstorm Warning | IND | Hancock, Henry, Madison, Marion | 49 min |
| Jul 19, 5:55 PM EST | Severe Thunderstorm Warning | IND | Montgomery, Tippecanoe | 35 min |
| Jul 19, 6:18 PM EST | Tornado Warning | IND | Boone | 32 min |
| Jul 19, 6:49 PM EST | Severe Thunderstorm Warning | IND | Howard | 21 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1998Every severe thunderstorm warning in 1998
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.