Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 64, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 11, 1998, 2:58 PM CDT for LaPorte County, Starke County, Indiana. It was in force for 47 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
- Jun 11, 1998, 2:58 PM CDT (19:58 UTC)
- Expired
- Jun 11, 1998, 3:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
Counties LaPorte County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 83 km from the middle of the area, began a volume at 19:59 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 213 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 6598 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 34 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 111957 RRA SVRFWA INC091-149-112045- BULLETIN- EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 258 PM EST (258 PM CDT) THU JUN 11 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN LAPORTE COUNTY IN NORTHWESTERN INDIANA STARKE COUNTY IN NORTHWESTERN INDIANA * UNTIL 345 PM CDT (345 PM EST) * AT 256 PM CDT... DOPPLER RADAR AT NORTH WEBSTER INDICATED A SEVERE THUNDERSTORM 20 MILES WEST OF KNOX MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE... LACOSSE NORTH JUDSON THOMASTON HANNA KNOX SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS. JAH/JM
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, Jun 11, 10:59 AM CDT, 3 hours 59 minutes before
INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-111730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1059 AM EST THU JUN 11 1998 ...SEVERE WEATHER POTENTIAL STATEMENT FOR EXTREME SOUTHWEST LOWER MICHIGAN...NORTHWEST OHIO...AND MOST OF NORTHERN INDIANA... THERE IS A SLIGHT RISK OF SEVERE WEATHER THROUGHOUT THE AREA THIS AFTERNOON AND EVENING. PERIODS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE REGION THIS AFTERNOON AND THIS EVENING. A SURFACE WARM FRONT MOVING THROUGH NORTHERN INDIANA AND NORTHWEST OHIO THIS AFTERNOON WILL RESULT IN INCREASING INSTABILITY OVER THE AREA... AND THE WIND FIELDS WILL GRADUALLY BECOME MORE FAVORABLE FOR SEVERE WEATHER DEVELOPMENT. SOME THUNDERSTORMS LATE THIS AFTERNOON AND EVENING COULD PRODUCE LARGE HAIL AND DAMAGING WINDS. STORM SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND THIS EVENING. STAY TUNED TO THIS BROADCAST FOR LATER FORECASTS AND UPDATES. MARGRAF!
Special weather statement, Jun 11, 10:59 AM CDT, 3 hours 59 minutes before
INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-111730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1059 AM EST THU JUN 11 1998 ...SEVERE WEATHER POTENTIAL STATEMENT FOR EXTREME SOUTHWEST LOWER MICHIGAN...NORTHWEST OHIO...AND MOST OF NORTHERN INDIANA... THERE IS A SLIGHT RISK OF SEVERE WEATHER THROUGHOUT THE AREA THIS AFTERNOON AND EVENING. PERIODS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE REGION THIS AFTERNOON AND THIS EVENING. A SURFACE WARM FRONT MOVING THROUGH NORTHERN INDIANA AND NORTHWEST OHIO THIS AFTERNOON WILL RESULT IN INCREASING INSTABILITY OVER THE AREA... AND THE WIND FIELDS WILL GRADUALLY BECOME MORE FAVORABLE FOR SEVERE WEATHER DEVELOPMENT. SOME THUNDERSTORMS LATE THIS AFTERNOON AND EVENING COULD PRODUCE LARGE HAIL AND DAMAGING WINDS. STORM SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND THIS EVENING. STAY TUNED TO THIS BROADCAST FOR LATER FORECASTS AND UPDATES. MARGRAF!
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 3:22 PM CDT | Severe Thunderstorm Warning | IWX | Marshall, Saint Joseph | 43 min |
| Jun 11, 3:46 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart | 34 min |
| Jun 11, 5:48 PM CDT | Tornado Warning | IWX | Pulaski, Starke | 42 min |
| Jun 11, 6:27 PM CDT | Tornado Warning | IWX | Pulaski, Starke | 33 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.