Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 11, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 15, 1998, 7:32 PM EST for Greene County, Monroe County, Indiana. It was in force for 63 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
- Apr 15, 1998, 7:32 PM EST (00:32 UTC)
- Expired
- Apr 15, 1998, 8:35 PM EST
- In force
- 63 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Greene County, IN, Monroe County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 7:38 PM EST | Hail 0.75 | Bloomfield, 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 00:00Z, 0.5 hours before the alert went out and 197 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
- 426 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 160032 RRA SVRIND INC055-105-160135- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 732 PM EST WED APR 15 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GREENE COUNTY IN SOUTHWESTERN INDIANA MONROE COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 835 PM EST * SEVERE THUNDERSTORM WILL BE NEAR- ELLETTSVILLE AROUND 755 PM EST BLOOMINGTON AROUND 800 PM EST * AT 728 PM EST...SEVERE THUNDERSTORMS WERE INDICATED 29 MILES SOUTHWEST OF BLOOMINGTON OR 5 MILES SOUTHWEST OF BLOOMFIELD... BY NATIONAL WEATHER SERVICE DOPPLER RADAR... MOVING NORTHEAST 35 MPH. DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. JAS
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, Apr 15, 7:19 PM EST, 13 minutes before
INZ061-062-160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 719 PM EST WED APR 15 1998 STRONG THUNDERSTORMS HAVE DEVELOPED IN SOUTHWEST INDIANA. AT 710PM EST. THE STORMS HAVE DEVELOPED IN SOUTHERN GREENE COUNTY. THESE STORMS MAY BE PRODUCING SMALL HAIL...BRIEF HEAVY DOWNPOURS AND GUSTY WINDS. THE STORMS WILL BE NEAR SALSBERRY BY 730 PM AND BLOOMINGTON SHORTLY AFTER 800PM. HAINES
Special weather statement, Apr 15, 7:19 PM EST, 13 minutes before
INZ061-062-160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 719 PM EST WED APR 15 1998 STRONG THUNDERSTORMS HAVE DEVELOPED IN SOUTHWEST INDIANA. AT 710PM EST. THE STORMS HAVE DEVELOPED IN SOUTHERN GREENE COUNTY. THESE STORMS MAY BE PRODUCING SMALL HAIL...BRIEF HEAVY DOWNPOURS AND GUSTY WINDS. THE STORMS WILL BE NEAR SALSBERRY BY 730 PM AND BLOOMINGTON SHORTLY AFTER 800PM. HAINES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:55 PM EST | Tornado Warning | IND | Lawrence, Martin | 50 min |
| Apr 15, 9:47 PM EST | Flash Flood Warning | IND | Daviess, Greene, Knox, Martin, Monroe | 3 hr |
| Apr 15, 9:47 PM EST | Flash Flood Warning | IND | Brown | 3 hr |
| Apr 15, 10:09 PM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jackson, Jennings | 4 hr |
| Apr 15, 10:09 PM EST | Flash Flood Warning | IND | Lawrence | 4 hr |
| Apr 16, 12:23 AM EST | Severe Thunderstorm Warning | IND | Lawrence | 32 min |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Daviess, Greene, Knox | 4 hr |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Brown, Monroe | 4 hr |
| Apr 16, 12:46 AM EST | Flash Flood Warning | IND | Martin | 4 hr |
| Apr 16, 12:51 AM EST | Severe Thunderstorm Warning | IND | Jackson | 49 min |
| Apr 16, 12:59 AM EST | Flash Flood Warning | IND | Jackson, Lawrence | 4 hr |
| Apr 16, 12:59 AM EST | Flash Flood Warning | IND | Bartholomew, Decatur, Jennings | 4 hr |
| Apr 16, 1:34 AM EST | Severe Thunderstorm Warning | IND | Jennings | 46 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.