Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 14, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Apr 1, 1998, 10:58 AM EST for LaGrange County, Indiana; Saint Joseph County, Michigan. It was in force for 52 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
- Apr 1, 1998, 10:58 AM EST (15:58 UTC)
- Expired
- Apr 1, 1998, 11:50 AM EST
- In force
- 52 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
Counties LaGrange County, IN, Saint Joseph County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 1, 11:00 AM EST | Thunderstorm Wind | Centreville, MI | Many trees reported down throughout Joseph county from southwest portion of county through northeast portion. |
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 nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 4.0 hours before the alert went out and 198 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
- 819 m above ground
- 0-6 km bulk shear
- 104 kt
- 0-1 km storm-relative helicity
- -49 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.
227 WUUS53 KIWX 011605 SVRFWA INC087-MIC149-011645- BULLETIN- EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED NATIONAL WEATHER SERVICE NORTHERN INDIANA 1058 AM EST WED APR 1 1998 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ST JOSEPH COUNTY IN SOUTHWESTERN LOWER MICHIGAN LAGRANGE COUNTY IN NORTHEASTERN INDIANA * UNTIL 1150 AM EST (1150 AM EST) * AT 1055 AM EST (1055 AM EST)... DOPPLER RADAR AT NORTH WEBSTER INDICATED A SEVERE THUNDERSTORM 10 MILES WEST SOUTHWEST OF STURGIS MOVING EAST NORTHEAST AT 55 MPH. * SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE... CENTREVILLE NEAR 1100 AM EST SHIPSHEWANA NEAR 1101 AM EST STURGIS NEAR 1101 AM EST LAGRANGE NEAR 1103 AM EST FAWN RIVER NEAR 1104 AM EST NOTTAWA NEAR 1104 AM EST FINDLEY NEAR 1107 AM EST BURR OAK NEAR 1107 AM EST COLON NEAR 1111 AM EST LEONIDAS NEAR 1112 AM EST SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS. ADOLPHSON...RESENT AS PER MI WARNING PT REQUEST.
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 Apr 1, 9:57 AM EST, 1 hour 1 minute earlier.
Area forecast discussion, Apr 1, 9:57 AM EST, 1 hour 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 957 AM EST WED APR 1 1998 CURRENT SAT AND RADAR SHOWS CLDS AND MSTLY SCT RW IN WRN CWA. ORD RPRTD TSRA AT 14Z AND WITH COLDER AIR ALOFT AND MAIN VORT LOBE MVG INTO AREA...RECOMMEND ADDING PSBL TRW IN FIRST PD...ESPECIALLY IN NW AND NC CWA. WITH DECENT UL WINDS AND EST CLD TRACK FROM SAT/RADAR THE CLDS/TSRA/RW WL BE IN NORTH CENTRAL CWA WITHIN THE NEXT HOUR OR SO. RADAR SHWNG 3D SHR IN FULTON CTY. COULD SEE SOME MID 50S IN ERN CWA AS CLDS AND PRECIP WL GET THERE LATER. DON'T THINK WINDS WILL SWING AROUND TO WEST UNTIL LATER...RECOMMEND TAKING THAT OUT OF FIRST PD. ADOLPHSON .IWX...NONE
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 10:11 AM EST | Severe Thunderstorm Warning | IWX | Marshall | 49 min |
| Apr 1, 10:19 AM EST | Severe Thunderstorm Warning | IWX | Kosciusko | 46 min |
| Apr 1, 10:23 AM EST | Severe Thunderstorm Warning | IWX | Elkhart | 47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.