Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 56, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 31, 1998, 5:25 PM EST for Martin County, Indiana. It was in force for 20 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
- May 31, 1998, 5:25 PM EST (22:25 UTC)
- Expired
- May 31, 1998, 5:45 PM EST
- In force
- 20 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Martin County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 5:30 PM EST | Thunderstorm Wind | Windom, 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 |
|---|---|---|---|
| May 31, 3:00 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 223 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.
966 WUUS1 KIND 312226 RRA SVRIND INC101-312245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 525 PM EST SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN MARTIN COUNTY IN SOUTHWESTERN INDIANA * UNTIL 545 PM EST * AT 525 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES SOUTHEAST OF WASHINGTON OR JUST SOUTH OF ALFORDSVILLE... MOVING SOUTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SOUTH MARTIN BY 535 PM EST DAMAGING WINDS AND LARGE HAIL 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, May 31, 2:21 PM EST, 3 hours 4 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, 2 hours 53 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
Special weather statement, May 31, 2:55 PM EST, 2 hours 30 minutes before
INZ051>075-080>082-085>088-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 255 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE SOUTHERN HALF OF INDIANA UNTIL 900 PM EST... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THAT PART OF INDIANA SOUTH OF LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES SOUTHEAST OF RICHMOND. SOME CITIES INCLUDED IN THE WATCH ARE TERRE HAUTE...VINCENNES... EVANSVILLE...BLOOMINGTON...BEDFORD...COLUMBUS...SEYMOUR...AND LAWERNCEBURG. AT 250 PM EST...RADAR INDICATED STRONG TO SEVERE THUNDERSTORMS MOVING INTO PORTIONS OF WEST CENTRAL INDIANA SOUTH OF TERRE HAUTE. OTHER THUNDERSTORMS WERE OCCURRING AROUND THE BEDFORD AND SEYMOUR AREAS. CONDITIONS ARE FAVORABLE FOR RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS THE SOUTHERN HALF OF INDIANA THIS AFTERNOON AND EVENING. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES. JAS
Special weather statement, May 31, 2:55 PM EST, 2 hours 30 minutes before
INZ051>075-080>082-085>088-010200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 255 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE SOUTHERN HALF OF INDIANA UNTIL 900 PM EST... THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THAT PART OF INDIANA SOUTH OF LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES SOUTHEAST OF RICHMOND. SOME CITIES INCLUDED IN THE WATCH ARE TERRE HAUTE...VINCENNES... EVANSVILLE...BLOOMINGTON...BEDFORD...COLUMBUS...SEYMOUR...AND LAWERNCEBURG. AT 250 PM EST...RADAR INDICATED STRONG TO SEVERE THUNDERSTORMS MOVING INTO PORTIONS OF WEST CENTRAL INDIANA SOUTH OF TERRE HAUTE. OTHER THUNDERSTORMS WERE OCCURRING AROUND THE BEDFORD AND SEYMOUR AREAS. CONDITIONS ARE FAVORABLE FOR RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS THE SOUTHERN HALF OF INDIANA THIS AFTERNOON AND EVENING. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO THIS MEDIA SOURCE FOR FURTHER UPDATES. JAS
Special weather statement, May 31, 4:41 PM EST, 44 minutes before
INZ028>031-035>049-051>057-060>065-067>072-312300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 441 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 600 PM EST FOR A PART OF CENTRAL INDIANA... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EST FOR SOUTHERN INDIANA... THE SEVERE THUNDERSTORM WATCHES ARE GENERALLY ALIGNED SOUTHEAST OF A LINE FROM MARION TO TERRE HAUTE. AT 440 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A LINE OF SCATTERED THUNDERSTORMS ABOUT 20 MILES WIDE CONTINUING TO INTENSIFY OVER CENTRAL INDIANA...FROM 15 MILES NORTH OF INDIANAPOLIS EAST TO NEAR MUNCIE. THESE STORMS HAVE ALREADY PRODUCED LARGE HAIL. ANOTHER AREA OF SCATTERED THUNDERSTORMS COVERED MOST OF THE SOUTHERN THIRD OF INDIANA. THESE THUNDERSTORMS HAVE ALREADY PRODUCED A VARIETY OF SEVERE WEATHER. THE THUNDERSTORMS ARE MOVING EAST AROUND 45 MPH. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THE WATCH AREAS THROUGH SUNSET. SOME STORMS ARE LIKELY TO PRODUCE LARGE HAIL AND DAMAGING WINDS. VERY HEAVY RAINFALL MAY ALSO CAUSE LOCALIZED FLOODING. IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. TMA
Special weather statement, May 31, 4:41 PM EST, 44 minutes before
INZ028>031-035>049-051>057-060>065-067>072-312300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 441 PM EST SUN MAY 31 1998 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 600 PM EST FOR A PART OF CENTRAL INDIANA... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EST FOR SOUTHERN INDIANA... THE SEVERE THUNDERSTORM WATCHES ARE GENERALLY ALIGNED SOUTHEAST OF A LINE FROM MARION TO TERRE HAUTE. AT 440 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A LINE OF SCATTERED THUNDERSTORMS ABOUT 20 MILES WIDE CONTINUING TO INTENSIFY OVER CENTRAL INDIANA...FROM 15 MILES NORTH OF INDIANAPOLIS EAST TO NEAR MUNCIE. THESE STORMS HAVE ALREADY PRODUCED LARGE HAIL. ANOTHER AREA OF SCATTERED THUNDERSTORMS COVERED MOST OF THE SOUTHERN THIRD OF INDIANA. THESE THUNDERSTORMS HAVE ALREADY PRODUCED A VARIETY OF SEVERE WEATHER. THE THUNDERSTORMS ARE MOVING EAST AROUND 45 MPH. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THE WATCH AREAS THROUGH SUNSET. SOME STORMS ARE LIKELY TO PRODUCE LARGE HAIL AND DAMAGING WINDS. VERY HEAVY RAINFALL MAY ALSO CAUSE LOCALIZED FLOODING. IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. TMA
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, 2:46 PM EST | Severe Thunderstorm Warning | IND | Sullivan | 49 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, 5:31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.