Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 94, NWS Northern Indiana

June 26, 1998LaGrange County, Steuben County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 26, 1998, 12:34 AM EST for LaGrange County, Steuben County, Indiana. It was in force for 46 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
Jun 26, 1998, 12:34 AM EST (05:34 UTC)
Expired
Jun 26, 1998, 1:20 AM EST
In force
46 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties LaGrange County, IN, Steuben County, IN

The radar

The Northern Indiana radar (KIWX), 51 km from the middle of the area, began a volume at 05:38 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.

What was reported inside it

TimeReportWhereRemark
Jun 26, 1:15 AM ESTHail 0.75Angola, IN

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 00:00Z, 5.6 hours before the alert went out and 190 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1482 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1482 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1969 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFWA 260533 RRA
SVRFWA
INC087-151-260620-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1234 AM EST FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAGRANGE COUNTY IN NORTHEASTERN INDIANA
  STEUBEN COUNTY IN NORTHEASTERN INDIANA

* UNTIL 120 AM EST

* AT 1232 AM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  SEVERE THUNDERSTORM 15 MILES WEST OF LAGRANGE OR 6 MILES WEST OF
  SHIPSHEWANA MOVING EAST AT 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  SHIPSHEWANA
  SCOTT
  EMMA
  TOPEKA
  HOWE
  LAGRANGE

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS.  SEVERE
THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS.

TAL/JLA

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 25, 8:06 PM EST, 4 hours 28 minutes before
MIZ077>081-260630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
806 PM EST THU JUN 25 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 300 AM EDT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST LOWER
MICHIGAN UNTIL 300 AM EDT. SOME OF THE COUNTIES IN SOUTHWEST LOWER
MICHIGAN INCLUDED IN THE WATCH ARE BERRIEN...CASS...ST JOSEPH...
BRANCH...AND HILLSDALE.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN
AND CLOSE TO THE WATCH AREA. REMEMBER...SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

TAL
Special weather statement, Jun 25, 8:06 PM EST, 4 hours 28 minutes before
MIZ077>081-260630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
806 PM EST THU JUN 25 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 300 AM EDT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST LOWER
MICHIGAN UNTIL 300 AM EDT. SOME OF THE COUNTIES IN SOUTHWEST LOWER
MICHIGAN INCLUDED IN THE WATCH ARE BERRIEN...CASS...ST JOSEPH...
BRANCH...AND HILLSDALE.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN
AND CLOSE TO THE WATCH AREA. REMEMBER...SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

TAL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 10:44 PM ESTSevere Thunderstorm WarningIWXLaPorte31 min
Jun 25, 11:14 PM ESTSevere Thunderstorm WarningIWXSaint Joseph46 min
Jun 26, 1:08 AM ESTSevere Thunderstorm WarningIWXLaPorte47 min
Jun 26, 7:31 AM ESTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble34 min
Jun 26, 4:14 PM ESTSevere Thunderstorm WarningIWXAdams36 min
Jun 26, 4:25 PM ESTSevere Thunderstorm WarningIWXWhitley35 min
Jun 26, 5:26 PM ESTSevere Thunderstorm WarningIWXAdams, Allen49 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; radar from the NEXRAD Level II archive.