Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 101, NWS Northern Indiana

June 26, 1998Adams County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 26, 1998, 4:14 PM EST for Adams County, Indiana. It was in force for 36 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 26, 1998, 4:14 PM EST (21:14 UTC)
Expired
Jun 26, 1998, 4:50 PM EST
In force
36 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Adams County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.2 hours before the alert went out and 175 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, Cncnati-Daytn, OH at 12:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2677 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, Cncnati-Daytn, OH at 12:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
2677 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
1.9
Supercell composite
8.3

Open this sounding in Storm Lab

The text

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

959 
WUUS53 KIWX 262114 RRA
SVRFWA
INC001-262150-

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

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ADAMS COUNTY IN NORTHEASTERN INDIANA

* UNTIL 450 PM EST

* AT 413 PM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  SEVERE THUNDERSTORM 1 MILE EAST OF DECATUR MOVING SOUTHEAST AT 25
  MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  PLEASANT MILLS
  DECATUR
  PREBLE
  MONMOUTH

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

JH/JA

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 26, 11:30 AM EST, 4 hours 44 minutes before
INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-262122-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1130 AM EST FRI JUN 26 1998

...SEVERE WEATHER POTENTIAL STATEMENT FOR EXTREME SOUTHWEST LOWER
MICHIGAN...NORTHWEST OHIO...AND MOST OF NORTHERN INDIANA.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON OVER
SOUTHWEST LOWER MICHIGAN..NORTHERN INDIANA AND NORTHWEST OHIO.

A COLD FRONT EXTENDING FROM NORTHERN LAKE HURON TO NORTHERN IOWA
WILL PROVIDE THE FOCUS FOR SCATTERED SHOWERS AND THUNDERSTORMS THIS
AFTERNOON AND TONIGHT.  AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS
THE REGION THIS EVENING...PROVIDING SUPPORT FOR THE DEVELOPMENT OF
THUNDERSTORMS.  SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE WITH
HAIL AND DAMAGING WINDS THE PRIMARY THREAT.

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AS THUNDERSTORMS START TO
DEVELOP.  STAY TUNED TO THIS BROADCAST FOR LATER UPDATES AND
STATEMENTS ON THIS POSSIBLE SEVERE WEATHER EVENT.

OHARA

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, 12:34 AM ESTSevere Thunderstorm WarningIWXLaGrange, Steuben46 min
Jun 26, 1:08 AM ESTSevere Thunderstorm WarningIWXLaPorte47 min
Jun 26, 7:31 AM ESTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble34 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; the sounding from the Mesonet's radiosonde archive.