Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 32, NWS Northern Indiana

May 19, 1998Fulton County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 19, 1998, 5:32 PM EST for Fulton County, Indiana. It was in force for 48 min. 4 reports 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
May 19, 1998, 5:32 PM EST (22:32 UTC)
Expired
May 19, 1998, 6:20 PM EST
In force
48 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Fulton County, IN

The radar

The Northern Indiana radar (KIWX), 59 km from the middle of the area, began a volume at 22:33 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
May 19, 5:32 PM ESTHail 1.75Kewanna, IN
May 19, 6:05 PM ESTHail 1Rochester, IN
May 19, 6:10 PM ESTHail 1Rochester, IN
May 19, 6:10 PM ESTHail 1.75Rochester, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 19, 2:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 221 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, Lincoln, IL at 12:00Z on 1998-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1768 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, Lincoln, IL at 12:00Z on 1998-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
1768 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

167 
WUUS53 KIWX 192234 RRA
SVRFWA
INC049-192320-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
532 PM EST TUE MAY 19 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FULTON COUNTY IN NORTH CENTRAL INDIANA

* UNTIL 620 PM EST

* AT 531 PM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  RAPIDLY DEVELOPING SEVERE THUNDERSTORM 10 MILES WEST SOUTHWEST OF
  ROCHESTER OR 5 MILES NORTHWEST OF BLUEGRASS MOVING EAST NORTHEAST
  AT 10 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  BLUEGRASS
  PERSHING
  ROCHESTER

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.

In the hours before

Special weather statement, May 19, 1:32 PM EST, 4 hours before
INZ003-004-012>015-020-022-200000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
132 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH FOR NORTHWEST INDIANA UNTIL 700PM
EST/CDT...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PORTIONS OF NORTHWEST INDIANA THIS AFTERNOON. THE COUNTIES
INCLUDED IN THE WATCH ARE

LAPORTE..ST. JOSEPH..STARKE..MARSHALL..PULASKI..FULTON..WHITE AND
CASS.

THUNDERSTORMS ARE CURRENTLY DEVELOPING ALONG A COLD FRONT IN
SOUTHWEST WISCONSIN AND EASTERN IOWA AND WILL BE MOVING ACROSS
ILLINOIS AND INTO NORTHWEST INDIANA LATER THIS AFTERNOON. THESE
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS. REMEMBER..A THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

JAL
Special weather statement, May 19, 1:32 PM EST, 4 hours before
INZ003-004-012>015-020-022-200000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
132 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH FOR NORTHWEST INDIANA UNTIL 700PM
EST/CDT...

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PORTIONS OF NORTHWEST INDIANA THIS AFTERNOON. THE COUNTIES
INCLUDED IN THE WATCH ARE

LAPORTE..ST. JOSEPH..STARKE..MARSHALL..PULASKI..FULTON..WHITE AND
CASS.

THUNDERSTORMS ARE CURRENTLY DEVELOPING ALONG A COLD FRONT IN
SOUTHWEST WISCONSIN AND EASTERN IOWA AND WILL BE MOVING ACROSS
ILLINOIS AND INTO NORTHWEST INDIANA LATER THIS AFTERNOON. THESE
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS. REMEMBER..A THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

JAL
Local storm report, May 19, 5:26 PM EST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH WEBSTER INDIANA
426 PM CST TUE MAY 19 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0522 PM    STAR CITY                 IN   .75 INCH HAIL
05/19/98   PULASKI                        SPOTTER REPORT OF DIME
                                          SIZE HAIL IN STAR CITY

0523 PM    STAR CITY                 IN   .75 INCH HAIL
05/19/98   PULASKI                        SPOTTER REPORT OF DIME
                                          SIZE HAIL IN STAR CITY

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:39 AM ESTSevere Thunderstorm WarningIWXNoble36 min
May 19, 8:02 AM ESTSevere Thunderstorm WarningIWXAllen, DeKalb33 min
May 19, 4:54 PM ESTSevere Thunderstorm WarningIWXWhite46 min
May 19, 5:23 PM ESTSevere Thunderstorm WarningIWXPulaski52 min
May 19, 6:08 PM ESTTornado WarningIWXStarke47 min
May 19, 6:19 PM ESTSevere Thunderstorm WarningIWXFulton51 min
May 19, 6:27 PM ESTTornado WarningIWXMiami, Wabash48 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.