Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 47, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 31, 1998, 2:46 PM EST for Sullivan County, Indiana. It was in force for 49 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
- May 31, 1998, 2:46 PM EST (19:46 UTC)
- Expired
- May 31, 1998, 3:35 PM EST
- In force
- 49 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Sullivan County, IN
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.8 hours before the alert went out and 156 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
- 3079 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 370 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 6.7
- Supercell composite
- 29.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 311946 RRA SVRIND INC153-312035- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 246 PM EST SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SULLIVAN COUNTY IN SOUTHWESTERN INDIANA * UNTIL 335 PM EST * AT 240 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM EASTERN CRAWFORD COUNTY ILLINOIS OR 20 MILES WEST OF SULLIVAN IN... MOVING EAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SULLIVAN AT 300 PM EST SHELBULN AT 300 PM EST CARLISLE AT 300 PM EST HYMERA AT 315 PM EST DUGGER AT 315 PM EST THIS IS A DANGEROUS STORM! SRTAY INDOORS AWAY FROM WINDOWS. BP
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, May 31, 12:40 PM EST, 2 hours 6 minutes before
INZ006>009-012>018-020>050-311935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1240 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF NORTHERN AND CENTRAL INDIANA UNTIL 600 PM EST... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THAT PART OF INDIANA NORTH OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES SOUTHEAST OF RICHMOND AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF SOUTH BEND TO 15 MILES NORTHEAST OF ANGOLA. SOME CITIES INCLUDED IN WATCH ARE FORT WAYNE...LOGANSPORT...KOKOMO...LAFAYETTE...MUNCIE... INDIANAPOLIS...AND RICHMOND. AT 1235 PM EST...RADAR INDICATED THUNDERSTORMS RAPIDLY DEVELOPING OVER NORTHEAST INDIANA. OTHER THUNDERSTORMS WERE MOVING INTO PORTIONS OF WEST CENTRAL INDIANA. SOME OF THESE STORMS MAY BECOME SEVERE THIS AFTERNOON. STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER WEATHER UPDATES. JAS
Special weather statement, May 31, 12:40 PM EST, 2 hours 6 minutes before
INZ006>009-012>018-020>050-311935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1240 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF NORTHERN AND CENTRAL INDIANA UNTIL 600 PM EST... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THAT PART OF INDIANA NORTH OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES SOUTHEAST OF RICHMOND AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF SOUTH BEND TO 15 MILES NORTHEAST OF ANGOLA. SOME CITIES INCLUDED IN WATCH ARE FORT WAYNE...LOGANSPORT...KOKOMO...LAFAYETTE...MUNCIE... INDIANAPOLIS...AND RICHMOND. AT 1235 PM EST...RADAR INDICATED THUNDERSTORMS RAPIDLY DEVELOPING OVER NORTHEAST INDIANA. OTHER THUNDERSTORMS WERE MOVING INTO PORTIONS OF WEST CENTRAL INDIANA. SOME OF THESE STORMS MAY BECOME SEVERE THIS AFTERNOON. STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER WEATHER UPDATES. JAS
Special weather statement, May 31, 2:13 PM EST, 33 minutes before
INZ062-311945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 213 PM EST SUN MAY 31 1998 A STRONG THUNDERSTORM WAS OVER THE MONROE RESERVOIR OF SOUTHERN MONROE COUNTY AT 210PM EST. MOVEMENT OF THE THUNDERSTORM WAS EAST AT 40 MPH. THIS STORM HAS THE POTENTIAL OF PRODUCING SMALL HAIL, STRONG WINDS, AND HEAVY RAINFALL. THIS STORM WILL BE BETWEEN COLUMBUS AND SEYMOUR BY 235 PM EST. 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.
Special weather statement, May 31, 2:13 PM EST, 33 minutes before
INZ062-311945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 213 PM EST SUN MAY 31 1998 A STRONG THUNDERSTORM WAS OVER THE MONROE RESERVOIR OF SOUTHERN MONROE COUNTY AT 210PM EST. MOVEMENT OF THE THUNDERSTORM WAS EAST AT 40 MPH. THIS STORM HAS THE POTENTIAL OF PRODUCING SMALL HAIL, STRONG WINDS, AND HEAVY RAINFALL. THIS STORM WILL BE BETWEEN COLUMBUS AND SEYMOUR BY 235 PM EST. 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.
Special weather statement, May 31, 2:21 PM EST, 25 minutes before
INZ060-061-067-311950- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 221 PM EST SUN MAY 31 1998 A SERIES OF VERY STRONG THUNDERSTORMS WERE IN EASTERN SECTION OF CRAWFORD COUNTY OF EAST CENTRAL ILLINOIS. THESE THUNDERSTORMS WILL BE MOVING INTO THE SOUTHERN PORTION OF SULLIVAN...EXTREME NORTHERN KNOX AND EVENTUALLY INTO GREENE COUNTY. MOVEMENT OF THESE STORMS WERE TO THE EAST AT 40 TO 45 MPH. SOME CITIES IN THE PATHS OF THESE STORMS WILL BE SULLIVAN... OAKTOWN...CARLISLE AND FREELANDVILLE. 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.
Special weather statement, May 31, 2:32 PM EST, 14 minutes before
INZ021-028>031-035>049-312135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 232 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF CENTRAL INDIANA UNTIL 600 PM EST... SOME CITIES INCLUDED IN THE WATCH ARE LAFAYETTE...KOKOMO... ANDERSON...CRAWFORDSVILLE...MUNCIE...AND INDIANAPOLIS. AT 230 PM EST...RADAR INDICATED SCATTERED SHOWERS ACROSS THE WATCH AREA. HOWEVER...CONDITIONS REMAIN FAVORABLE FOR RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS THIS AFTERNOON. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES. JAS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 1:35 PM EST | Severe Thunderstorm Warning | IND | Tipton | 45 min |
| May 31, 3:31 PM EST | Severe Thunderstorm Warning | IND | Knox | 34 min |
| May 31, 3:52 PM EST | Severe Thunderstorm Warning | IND | Daviess | 48 min |
| May 31, 4:05 PM EST | Severe Thunderstorm Warning | IND | Martin | 35 min |
| May 31, 4:13 PM EST | Severe Thunderstorm Warning | IND | Daviess | 32 min |
| May 31, 4:18 PM EST | Severe Thunderstorm Warning | IND | Delaware, Randolph | 47 min |
| May 31, 4:28 PM EST | Severe Thunderstorm Warning | IND | Martin | 32 min |
| May 31, 4:49 PM EST | Severe Thunderstorm Warning | IND | Knox | 36 min |
| May 31, 4:56 PM EST | Severe Thunderstorm Warning | IND | Daviess | 34 min |
| May 31, 5:25 PM EST | Severe Thunderstorm Warning | IND | Martin | 20 min |
| May 31, 5:31 PM EST | Severe Thunderstorm Warning | IND | Hancock | 34 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.