Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 30, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 19, 1998, 10:27 PM EST for Knox County, Indiana. It was in force for 33 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 19, 1998, 10:27 PM EST (03:27 UTC)
- Expired
- May 19, 1998, 11:00 PM EST
- In force
- 33 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Knox County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 19, 10:28 PM EST | Thunderstorm Wind | Vincennes, IN | Trees and power lines blown down. |
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 19, 7:30 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.5 hours before the alert went out and 192 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
- 4287 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1245 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
870 WUUS1 KIND 200329 RRA SVRIND INC083-200400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1027 PM EST TUE MAY 19 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN SOUTHWESTERN INDIANA * UNTIL 1100 PM EST * AT 1025 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR VINCENNES... MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BICKNELL AROUND 1035 PM EST MONROE CITY AROUND 1045 PM EST DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. WINDS TO 55 MPH HAD BEEN REPORTED WITH THESE STORMS. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS DRT
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 19, 7:56 PM EST, 2 hours 31 minutes before
INZ053-060>065-067>072-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 756 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR MUCH OF SOUTHERN INDIANA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL MIDNIGHT FOR MUCH OF SOUTHERN INDIANA. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHERN INDIANA CONTINUES IN EFFECT. THIS MEANS THAT EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST...SOUTHEAST AND NORTHERN INDIANA THE REST OF THE STATE IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT. THUNDERSTORMS CONTINUE TO MOVE THROUGH INDIANA. SOME OF THE STORMS MAY BE SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND THE POSSIBILITY OF TORNADOES. HEAVY RAIN MAY ALSO CAUSE FLASH FLOODING. THE STORMS SHOULD DECREASE IN STRENGTH LATER THIS EVENING AS THEY LOOSE THE HEATING FROM THE SUN. PERSONS THROUGHOUT INDIANA SHOULD KEEP A CLOSE EYE ON THE WEATHER. LISTEN TO A RELIABLE SOURCE FOR LATER STATEMENTS AND POSSIBLE WARNINGS. HAINES
Special weather statement, May 19, 7:56 PM EST, 2 hours 31 minutes before
INZ053-060>065-067>072-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 756 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR MUCH OF SOUTHERN INDIANA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL MIDNIGHT FOR MUCH OF SOUTHERN INDIANA. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHERN INDIANA CONTINUES IN EFFECT. THIS MEANS THAT EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST...SOUTHEAST AND NORTHERN INDIANA THE REST OF THE STATE IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT. THUNDERSTORMS CONTINUE TO MOVE THROUGH INDIANA. SOME OF THE STORMS MAY BE SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND THE POSSIBILITY OF TORNADOES. HEAVY RAIN MAY ALSO CAUSE FLASH FLOODING. THE STORMS SHOULD DECREASE IN STRENGTH LATER THIS EVENING AS THEY LOOSE THE HEATING FROM THE SUN. PERSONS THROUGHOUT INDIANA SHOULD KEEP A CLOSE EYE ON THE WEATHER. LISTEN TO A RELIABLE SOURCE FOR LATER STATEMENTS AND POSSIBLE WARNINGS. HAINES
Special weather statement, May 19, 8:10 PM EST, 2 hours 17 minutes before
INZ012>018-020>032-200300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 810 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF NORTHERN INDIANA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF INDIANA NORTH OF A LINE FROM 30 MILES SOUTH OF FORT WAYNE TO 40 MILES SOUTHWEST OF LAFAYETTE. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR MUCH OF THE REST OF CENTRAL AND SOUTHERN INDIANA. PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH THE AREA OVER NIGHT. A FEW STRONG STORMS AREA POSSIBLE BUT SEVERE WEATHER IS NOT EXPECTED. HAINES
Special weather statement, May 19, 8:10 PM EST, 2 hours 17 minutes before
INZ012>018-020>032-200300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 810 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF NORTHERN INDIANA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF INDIANA NORTH OF A LINE FROM 30 MILES SOUTH OF FORT WAYNE TO 40 MILES SOUTHWEST OF LAFAYETTE. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR MUCH OF THE REST OF CENTRAL AND SOUTHERN INDIANA. PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH THE AREA OVER NIGHT. A FEW STRONG STORMS AREA POSSIBLE BUT SEVERE WEATHER IS NOT EXPECTED. HAINES
Special weather statement, May 19, 9:21 PM EST, 1 hour 6 minutes before
INZ003>009-012>018-020>075-080-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 921 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF CENTRAL AND NORTHERN INDIANA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 30 MILES SOUTH OF INDIANAPOLIS TO GREENSBURG. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR A GOOD PORTION OF SOUTHERN INDIANA EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST AND SOUTHEAST. THE INDIANAPOLIS AREA IS NO LONGER IN THE WATCH. THUNDERSTORMS CONTINUE TO MOVE THROUGH SOUTHERN INDIANA. SOME OF THE STORMS MAY CONTINUE TO BE SEVERE UNTIL MIDNIGHT. OVER CENTRAL AND NORTHERN INDIANA SCATTERED SHOWERS AND THUNDERSTORMS MAY WILL CONTINUE TO MOVE THROUGH. SOME INTENSE LIGHTNING MAY OCCUR WITH THESE STORMS. HEAVY RAIN FROM THE STORMS MAY CAUSE SOME FLOODING IN LOW AREAS THROUGH EARLY WEDNESDAY MORNING. HAINES
Special weather statement, May 19, 9:21 PM EST, 1 hour 6 minutes before
INZ003>009-012>018-020>075-080-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 921 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF CENTRAL AND NORTHERN INDIANA... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 30 MILES SOUTH OF INDIANAPOLIS TO GREENSBURG. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR A GOOD PORTION OF SOUTHERN INDIANA EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST AND SOUTHEAST. THE INDIANAPOLIS AREA IS NO LONGER IN THE WATCH. THUNDERSTORMS CONTINUE TO MOVE THROUGH SOUTHERN INDIANA. SOME OF THE STORMS MAY CONTINUE TO BE SEVERE UNTIL MIDNIGHT. OVER CENTRAL AND NORTHERN INDIANA SCATTERED SHOWERS AND THUNDERSTORMS MAY WILL CONTINUE TO MOVE THROUGH. SOME INTENSE LIGHTNING MAY OCCUR WITH THESE STORMS. HEAVY RAIN FROM THE STORMS MAY CAUSE SOME FLOODING IN LOW AREAS THROUGH EARLY WEDNESDAY MORNING. HAINES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:12 PM EST | Flash Flood Warning | IND | Fountain, Vermillion, Warren | 3 hr |
| May 19, 7:12 PM EST | Flash Flood Warning | IND | Parke | 3 hr |
| May 19, 7:45 PM EST | Severe Thunderstorm Warning | IND | Clay | 45 min |
| May 19, 9:31 PM EST | Severe Thunderstorm Warning | IND | Sullivan, Vigo | 34 min |
| May 20, 1:04 PM EST | Severe Thunderstorm Warning | IND | Knox | 46 min |
| May 20, 1:56 PM EST | Severe Thunderstorm Warning | IND | Daviess | 49 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.