Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 243, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Aug 25, 1998, 2:22 AM CDT for LaPorte County, Indiana; Berrien County, Michigan. It was in force for 48 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
- Aug 25, 1998, 2:22 AM CDT (07:22 UTC)
- Expired
- Aug 25, 1998, 3:10 AM CDT
- In force
- 48 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
Counties LaPorte County, IN, Berrien County, MI
The radar
The Northern Indiana radar (KIWX), 85 km from the middle of the area, began a volume at 07:24 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 |
|---|---|---|---|
| Aug 25, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 7.4 hours before the alert went out and 244 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
- 1572 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1637 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFWA 250725 RRA SVRFWA INC091-MIC021-250810- BULLETIN- EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 222 AM EST (222 AM CDT) TUE AUG 25 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BERRIEN COUNTY IN SOUTHWESTERN LOWER MICHIGAN NORTHERN LAPORTE COUNTY IN NORTHWESTERN INDIANA * UNTIL 410 AM EDT (310 AM CDT OR 310 AM EST) * AT 321 AM EDT (221 AM CDT)... DOPPLER RADAR AT NORTH WEBSTER INDICATED A RAPIDLY DEVELOPING SEVERE THUNDERSTORM IN THE VICINITY OF MICHIGAN CITY MOVING EAST AT 45 MPH. * SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE... NEW BUFFALO LAKEVIEW LAKESIDE ROLLING PRARIE THREE OAKS GALIEN SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS. TEH/JAL
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.
NWS Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 2:12 AM CDT, 10 minutes earlier.
Area forecast discussion, Aug 25, 2:12 AM CDT, 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 212 AM EST TUE AUG 25 1998 06Z SFC ANALYSIS SHOWING WAVE HAD DEVELOPED ALONG FRONT ACRS SE IA. FEEL THIS WILL SLOW UP SOUTHWARD PUSH OF FRONT LATER TODAY ACRS FA. CURRENT CONVECTIVE OUTFLOW MAKING SOME PROGRESS SOUTHWARD AND WILL NEED TO BE WATCHED FOR DEVELOPMENTS LATER TODAY. ADDITIONAL SVR ACRS PARTICULARLY SOUTHERN THIRD FA DEPENDENT SOMEWHAT ON INSOLATION THIS AM. WILL NEED TO WATCH SATELLITE TRENDS UPSTREAM BUT FEEL FAIR CHANCE ALONG AND SOUTH OF A WINAMAC TO LIMA LINE. AFTER FROPA THINGS MUCH QUIETER WITH HIGH PRESSURE BUILDING IN. WILL NEED TO LOOK AT FOG THREAT TONIGHT WITH GOOD RADIATIONAL COOLING SETUP AND WET GROUND. GUIDANCE TEMPS LOOK PRETTY GOOD. SBN 083/061 084/060 082 66400 FWA 087/061 084/059 083 66500 AOH 088/063 085/060 083 66600 .IWX...NONE. TEH
In the hours before
Local storm report, Aug 25, 1:37 AM CDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
137 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0136 AM STURGIS MI 60 MPH TSTM GUST
08/25/98 ST.JOSEPH SPOTTER REPORTLocal storm report, Aug 25, 1:37 AM CDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
137 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0136 AM STURGIS MI 60 MPH TSTM GUST
08/25/98 ST.JOSEPH SPOTTER REPORTLocal storm report, Aug 25, 1:47 AM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
147 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0135 AM SOUTH BEND IN WIND DAMAGE
08/25/98 ST.JOSEPH TREES AND POWER LINES
DOWN
0135 AM IN WIND DAMAGE
08/25/98 ELKHART TREES AND POWER LINES
DOWN THROUGHOUT COUNTYLocal storm report, Aug 25, 1:47 AM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
147 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0135 AM SOUTH BEND IN WIND DAMAGE
08/25/98 ST.JOSEPH TREES AND POWER LINES
DOWN
0135 AM IN WIND DAMAGE
08/25/98 ELKHART TREES AND POWER LINES
DOWN THROUGHOUT COUNTYLocal storm report, Aug 25, 2:09 AM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
209 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0205 AM MI FLOOD
08/25/98 BRANCH WIDESPREAD MINOR
FLOODING THROUGHOUT
BRANCH COUNTYLocal storm report, Aug 25, 2:09 AM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
209 AM EST TUE AUG 25 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0205 AM MI FLOOD
08/25/98 BRANCH WIDESPREAD MINOR
FLOODING THROUGHOUT
BRANCH COUNTYThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 1:07 AM CDT | Tornado Warning | IWX | Elkhart, Saint Joseph | 48 min |
| Aug 25, 1:26 AM CDT | Tornado Warning | IWX | LaGrange | 49 min |
| Aug 25, 1:31 AM CDT | Tornado Warning | IWX | Elkhart | 34 min |
| Aug 25, 1:52 AM CDT | Severe Thunderstorm Warning | IWX | Steuben | 53 min |
| Aug 25, 1:58 AM CDT | Severe Thunderstorm Warning | IWX | DeKalb, Noble | 47 min |
| Aug 25, 12:12 AM CDT | Severe Thunderstorm Warning | IWX | Berrien | 48 min |
| Aug 25, 12:19 AM CDT | Severe Thunderstorm Warning | IWX | Cass | 61 min |
| Aug 25, 12:33 AM CDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 52 min |
| Aug 25, 12:47 AM CDT | Tornado Warning | IWX | Berrien, Cass | 48 min |
| Aug 25, 12:58 AM CDT | Severe Thunderstorm Warning | IWX | Branch | 52 min |
| Aug 25, 1:17 AM CDT | Tornado Warning | IWX | Branch | 48 min |
| Aug 25, 1:22 AM CDT | Severe Thunderstorm Warning | IWX | Saint Joseph | 33 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1998Severe Thunderstorm Warnings in Michigan, 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.