Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 30, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at May 19, 1998, 4:54 PM EST for White County, Indiana. It was in force for 46 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 19, 1998, 4:54 PM EST (21:54 UTC)
- Expired
- May 19, 1998, 5:40 PM EST
- In force
- 46 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County White County, IN
The radar
The Northern Indiana radar (KIWX), 119 km from the middle of the area, began a volume at 21:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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, 2:00 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 161 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
- 1768 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFWA 192156 RRA SVRFWA INC181-192240- BULLETIN- EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 454 PM EST (454 PM CDT) TUE MAY 19 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN WHITE COUNTY IN NORTHWESTERN INDIANA * UNTIL 540 PM EST * AT 459 PM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A LINE OF SEVERE THUNDERSTORMS FROM MONON TO BUFFALO. MOVEMENT WAS NEARLY STATIONARY. * THE SEVERE THUNDERSTORMS WILL MOVE LITTLE OVER THE NEXT 45 MINUTES. SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS. TEH/JALn
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, 1:32 PM EST, 3 hours 22 minutes before
INZ003-004-012>015-020-022-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 132 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH FOR NORTHWEST INDIANA UNTIL 700PM EST/CDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST INDIANA THIS AFTERNOON. THE COUNTIES INCLUDED IN THE WATCH ARE LAPORTE..ST. JOSEPH..STARKE..MARSHALL..PULASKI..FULTON..WHITE AND CASS. THUNDERSTORMS ARE CURRENTLY DEVELOPING ALONG A COLD FRONT IN SOUTHWEST WISCONSIN AND EASTERN IOWA AND WILL BE MOVING ACROSS ILLINOIS AND INTO NORTHWEST INDIANA LATER THIS AFTERNOON. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. REMEMBER..A THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JAL
Special weather statement, May 19, 1:32 PM EST, 3 hours 22 minutes before
INZ003-004-012>015-020-022-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 132 PM EST TUE MAY 19 1998 ...SEVERE THUNDERSTORM WATCH FOR NORTHWEST INDIANA UNTIL 700PM EST/CDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST INDIANA THIS AFTERNOON. THE COUNTIES INCLUDED IN THE WATCH ARE LAPORTE..ST. JOSEPH..STARKE..MARSHALL..PULASKI..FULTON..WHITE AND CASS. THUNDERSTORMS ARE CURRENTLY DEVELOPING ALONG A COLD FRONT IN SOUTHWEST WISCONSIN AND EASTERN IOWA AND WILL BE MOVING ACROSS ILLINOIS AND INTO NORTHWEST INDIANA LATER THIS AFTERNOON. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. REMEMBER..A THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JAL
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:39 AM EST | Severe Thunderstorm Warning | IWX | Noble | 36 min |
| May 19, 8:02 AM EST | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 33 min |
| May 19, 5:23 PM EST | Severe Thunderstorm Warning | IWX | Pulaski | 52 min |
| May 19, 5:32 PM EST | Severe Thunderstorm Warning | IWX | Fulton | 48 min |
| May 19, 6:08 PM EST | Tornado Warning | IWX | Starke | 47 min |
| May 19, 6:19 PM EST | Severe Thunderstorm Warning | IWX | Fulton | 51 min |
| May 19, 6:27 PM EST | Tornado Warning | IWX | Miami, Wabash | 48 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; radar from the NEXRAD Level II archive.