Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 12, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 16, 1998, 12:23 AM EST for Lawrence County, Indiana. It was in force for 32 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
- Apr 16, 1998, 12:23 AM EST (05:23 UTC)
- Expired
- Apr 16, 1998, 12:55 AM EST
- In force
- 32 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Lawrence County, 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 |
|---|---|---|---|
| Apr 15, 8:45 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 5.4 hours before the alert went out and 233 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 160523 RRA SVRIND INC093-160555- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1223 AM EST THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 1255 AM EST * AT 1220 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM EXTENDING FROM 10 MILES NORTHWEST OF BEDFORD TO 10 MILES SOUTHWEST OF BEDFORD... MOVING EAST 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BEDFORD BY 1230 AM MITCHELL BY 1235 AM * IN HURON...10 MILES SOUTHWEST OF BEDFORD...WINDS WERE ESTIMATED AT 50 MPH AND MARBLE SIZEDv HAIL WERE REPORTED AT 1215 AM. THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS. KH
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, 5 hours 4 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, 5 hours 4 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, 8:32 PM EST, 3 hours 51 minutes before
INZ043>048-050>092-160700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 832 PM EST WED APR 15 1998 ...TORNADO WATCH UNTIL 200 AM FOR THE SOUTHERN HALF OF INDIANA... A TORNADO WATCH IS IN EFFECT UNTIL 2AM EST FOR THE SOUTHERN HALF OF INDIANA. SOME CITIES INCLUDED IN THE WATCH ARE...INDIANAPOLIS...GREENWOOD...BLOOMINGTON... TERRE HAUTE...EVANSVILLE AND COLUMBUS. THUNDERSTORMS HAVE MOVED INTO SOUTHERN INDIANA. SOME OF THESE STORMS MAY BECOME SEVERE PRODUCING LARGE HAIL...VERY HEAVY RAIN...STRONG WINDS AND POSSIBLY TORNADOES. AS A DISTURBANCE HIGHER IN THE ATMOSPHERE MOVES INTO SOUTHERN INDIANA THESE STORMS MAY INTENSIFY. THE STORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES AN HOUR. SEVERE STORMS MAY QUICKLY DEVELOP OR MOVE INTO AN AREA. HEAVY RAINFALL FROM THE STORMS MAY CAUSE FLOODING OF LOW LYING AREAS. KEEP A CLOSE EYE ON THE WEATHER TONIGHT. BE PREPARED TO TAKE SHELTER IF SEVERE WEATHER MOVES INTO THE AREA. HAINES
Special weather statement, Apr 15, 8:32 PM EST, 3 hours 51 minutes before
INZ043>048-050>092-160700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 832 PM EST WED APR 15 1998 ...TORNADO WATCH UNTIL 200 AM FOR THE SOUTHERN HALF OF INDIANA... A TORNADO WATCH IS IN EFFECT UNTIL 2AM EST FOR THE SOUTHERN HALF OF INDIANA. SOME CITIES INCLUDED IN THE WATCH ARE...INDIANAPOLIS...GREENWOOD...BLOOMINGTON... TERRE HAUTE...EVANSVILLE AND COLUMBUS. THUNDERSTORMS HAVE MOVED INTO SOUTHERN INDIANA. SOME OF THESE STORMS MAY BECOME SEVERE PRODUCING LARGE HAIL...VERY HEAVY RAIN...STRONG WINDS AND POSSIBLY TORNADOES. AS A DISTURBANCE HIGHER IN THE ATMOSPHERE MOVES INTO SOUTHERN INDIANA THESE STORMS MAY INTENSIFY. THE STORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES AN HOUR. SEVERE STORMS MAY QUICKLY DEVELOP OR MOVE INTO AN AREA. HEAVY RAINFALL FROM THE STORMS MAY CAUSE FLOODING OF LOW LYING AREAS. KEEP A CLOSE EYE ON THE WEATHER TONIGHT. BE PREPARED TO TAKE SHELTER IF SEVERE WEATHER MOVES INTO THE AREA. HAINES
Special weather statement, Apr 15, 10:57 PM EST, 1 hour 26 minutes before
INZ043>048-051>075-080>082-085>088-160700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1057 PM EST WED APR 15 1998 ...TORNADO WATCH FOR THE SOUTHERN HALF OF INDIANA TIL 2 AM... A TORNADO WATCH REMAINS IN EFFECT FOR THE SOUTHERN HALF OF INDIANA UNTIL 2 AM EST. SOME CITIES INCLUDED IN THE TORNADO WATCH AREA ARE INDIANAPOLIS...TERRE HAUTE...BLOOMINGTON...COLUMBUS AND GREENSBURG. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS INDIANA THIS EVENING AND EARLY THURSDAY MORNING. STRONG TO SEVERE STORMS ARE POSSIBLE OVER THE SOUTHERN HALF OF INDIANA THROUGH 2 AM. REMEMBER... A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE WATCH AREA. LARGE HAIL... DAMAGING WINDS... AND TORRENTIAL RAINFALL MAY ALSO OCCUR. BE READY TO SEEK A PLACE OF SAFETY IF A WARNING IS ISSUED FOR YOUR AREA. KH
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:32 PM EST | Severe Thunderstorm Warning | IND | Greene, Monroe | 63 min |
| 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, 12:46 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; the sounding from the Mesonet's radiosonde archive.