Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 14, NWS Indianapolis, IN

April 16, 1998Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 16, 1998, 1:34 AM EST for Jennings County, Indiana. It was in force for 46 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
Apr 16, 1998, 1:34 AM EST (06:34 UTC)
Expired
Apr 16, 1998, 2:20 AM EST
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Jennings County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 15, 8:45 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.6 hours before the alert went out and 165 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 00:00Z on 1998-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 00:00Z on 1998-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 160634 RRA
SVRIND
INC079-160720-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
134 AM EST THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JENNINGS COUNTY IN SOUTHEASTERN INDIANA

* UNTIL 220 AM EST

* AT 130 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM FROM 10 MILES NORTHWEST OF NORTH VERNON NEAR
  SCIPIO TO 20 MILES SOUTHWEST OF NORTH VERNON NEAR CROTHERSVILLE...
MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH VERNON AT 145 AM EST
  LOVETT AT 145 AM EST

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOTF USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Apr 15, 8:32 PM EST, 5 hours 2 minutes before
INZ043>048-050>092-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
832 PM EST WED APR 15 1998

...TORNADO WATCH UNTIL 200 AM FOR THE SOUTHERN HALF OF INDIANA...

A TORNADO WATCH IS IN EFFECT UNTIL 2AM EST FOR THE SOUTHERN HALF OF
INDIANA. SOME CITIES INCLUDED IN THE WATCH
ARE...INDIANAPOLIS...GREENWOOD...BLOOMINGTON...
TERRE HAUTE...EVANSVILLE AND COLUMBUS.

THUNDERSTORMS HAVE MOVED INTO SOUTHERN INDIANA. SOME OF THESE STORMS
MAY BECOME SEVERE PRODUCING LARGE HAIL...VERY HEAVY RAIN...STRONG
WINDS AND POSSIBLY TORNADOES.

AS A DISTURBANCE HIGHER IN THE ATMOSPHERE MOVES INTO SOUTHERN INDIANA
THESE STORMS MAY INTENSIFY. THE STORMS WERE MOVING TO THE NORTHEAST
AROUND 30 MILES AN HOUR.

SEVERE STORMS MAY QUICKLY DEVELOP OR MOVE INTO AN AREA. HEAVY
RAINFALL FROM THE STORMS MAY CAUSE FLOODING OF LOW LYING AREAS. KEEP
A CLOSE EYE ON THE WEATHER TONIGHT. BE PREPARED TO TAKE SHELTER IF
SEVERE WEATHER MOVES INTO THE AREA.

HAINES
Special weather statement, Apr 15, 8:32 PM EST, 5 hours 2 minutes before
INZ043>048-050>092-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
832 PM EST WED APR 15 1998

...TORNADO WATCH UNTIL 200 AM FOR THE SOUTHERN HALF OF INDIANA...

A TORNADO WATCH IS IN EFFECT UNTIL 2AM EST FOR THE SOUTHERN HALF OF
INDIANA. SOME CITIES INCLUDED IN THE WATCH
ARE...INDIANAPOLIS...GREENWOOD...BLOOMINGTON...
TERRE HAUTE...EVANSVILLE AND COLUMBUS.

THUNDERSTORMS HAVE MOVED INTO SOUTHERN INDIANA. SOME OF THESE STORMS
MAY BECOME SEVERE PRODUCING LARGE HAIL...VERY HEAVY RAIN...STRONG
WINDS AND POSSIBLY TORNADOES.

AS A DISTURBANCE HIGHER IN THE ATMOSPHERE MOVES INTO SOUTHERN INDIANA
THESE STORMS MAY INTENSIFY. THE STORMS WERE MOVING TO THE NORTHEAST
AROUND 30 MILES AN HOUR.

SEVERE STORMS MAY QUICKLY DEVELOP OR MOVE INTO AN AREA. HEAVY
RAINFALL FROM THE STORMS MAY CAUSE FLOODING OF LOW LYING AREAS. KEEP
A CLOSE EYE ON THE WEATHER TONIGHT. BE PREPARED TO TAKE SHELTER IF
SEVERE WEATHER MOVES INTO THE AREA.

HAINES
Special weather statement, Apr 15, 10:57 PM EST, 2 hours 37 minutes before
INZ043>048-051>075-080>082-085>088-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1057 PM EST WED APR 15 1998

...TORNADO WATCH FOR THE SOUTHERN HALF OF INDIANA TIL 2 AM...

A TORNADO WATCH REMAINS IN EFFECT FOR THE SOUTHERN HALF OF INDIANA
UNTIL 2 AM EST. SOME CITIES INCLUDED IN THE TORNADO WATCH AREA ARE
INDIANAPOLIS...TERRE HAUTE...BLOOMINGTON...COLUMBUS AND GREENSBURG.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS INDIANA THIS
EVENING AND EARLY THURSDAY MORNING. STRONG TO SEVERE STORMS ARE
POSSIBLE OVER THE SOUTHERN HALF OF INDIANA THROUGH 2 AM.

REMEMBER... A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA. LARGE HAIL... DAMAGING WINDS... AND
TORRENTIAL RAINFALL MAY ALSO OCCUR. BE READY TO SEEK A PLACE OF
SAFETY IF A WARNING IS ISSUED FOR YOUR AREA.

KH
Special weather statement, Apr 16, 12:45 AM EST, 49 minutes before
INZ013-015>018-020>075-080-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1245 AM EST THU APR 16 1998

...TORNADO WATCH AND FLASH FLOOD WATCH CANCELED FOR MOST OF CENTRAL
INDIANA...

A TORNADO WATCH CONTINUES FOR MOST OF SOUTHERN AND SOUTHEASTERN
INDIANA UNTIL 200 AM EST. THE TORNADO WATCH REMAINS IN EFFECT FOR
THOSE AREAS SOUTH OF A LINE FROM JUST NORTH OF VINCENNES TO NORTH OF
BLOOMINGTON TO NORTH OF RICHMOND. SOME CITIES IN THE WATCH
ARE...VINCENNES...BEDFORD...BLOOMINGTON...COLUMBUS...GREENSBURG...
CONNERSVILLE AND RICHMOND.

FLASH FLOOD WATCHES AND WARNINGS CONTINUE FOR THE SAME AREAS AS
THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO REDEVELOP OVER SOUTHERN AND
SOUTHEAST INDIANA.

THE TORNADO AND FLASH FLOOD WATCHES FOR CENTRAL INDIANA HAVE BEEN
CANCELED.

AN AREA OF THUNDERSTORMS EXTENDS BACK INTO MISSOURI. THESE STORMS
CONTINUE TO MOVE NORTHEAST OVER SOUTHERN AND SOUTHEASTERN INDIANA AND
SHOULD PERSIST MUCH OF THE NIGHT.

EDDY
Special weather statement, Apr 16, 12:45 AM EST, 49 minutes before
INZ013-015>018-020>075-080-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1245 AM EST THU APR 16 1998

...TORNADO WATCH AND FLASH FLOOD WATCH CANCELED FOR MOST OF CENTRAL
INDIANA...

A TORNADO WATCH CONTINUES FOR MOST OF SOUTHERN AND SOUTHEASTERN
INDIANA UNTIL 200 AM EST. THE TORNADO WATCH REMAINS IN EFFECT FOR
THOSE AREAS SOUTH OF A LINE FROM JUST NORTH OF VINCENNES TO NORTH OF
BLOOMINGTON TO NORTH OF RICHMOND. SOME CITIES IN THE WATCH
ARE...VINCENNES...BEDFORD...BLOOMINGTON...COLUMBUS...GREENSBURG...
CONNERSVILLE AND RICHMOND.

FLASH FLOOD WATCHES AND WARNINGS CONTINUE FOR THE SAME AREAS AS
THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO REDEVELOP OVER SOUTHERN AND
SOUTHEAST INDIANA.

THE TORNADO AND FLASH FLOOD WATCHES FOR CENTRAL INDIANA HAVE BEEN
CANCELED.

AN AREA OF THUNDERSTORMS EXTENDS BACK INTO MISSOURI. THESE STORMS
CONTINUE TO MOVE NORTHEAST OVER SOUTHERN AND SOUTHEASTERN INDIANA AND
SHOULD PERSIST MUCH OF THE NIGHT.

EDDY

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 7:32 PM ESTSevere Thunderstorm WarningINDGreene, Monroe63 min
Apr 15, 8:55 PM ESTTornado WarningINDLawrence, Martin50 min
Apr 15, 9:47 PM ESTFlash Flood WarningINDDaviess, Greene, Knox, Martin, Monroe3 hr
Apr 15, 9:47 PM ESTFlash Flood WarningINDBrown3 hr
Apr 15, 10:09 PM ESTFlash Flood WarningINDBartholomew, Decatur, Jackson, Jennings4 hr
Apr 15, 10:09 PM ESTFlash Flood WarningINDLawrence4 hr
Apr 16, 12:23 AM ESTSevere Thunderstorm WarningINDLawrence32 min
Apr 16, 12:46 AM ESTFlash Flood WarningINDDaviess, Greene, Knox4 hr
Apr 16, 12:46 AM ESTFlash Flood WarningINDBrown, Monroe4 hr
Apr 16, 12:46 AM ESTFlash Flood WarningINDMartin4 hr
Apr 16, 12:51 AM ESTSevere Thunderstorm WarningINDJackson49 min
Apr 16, 12:59 AM ESTFlash Flood WarningINDJackson, Lawrence4 hr
Apr 16, 12:59 AM ESTFlash Flood WarningINDBartholomew, Decatur, Jennings4 hr

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.