Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 145, NWS Indianapolis, IN

July 20, 1998Brown County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 20, 1998, 2:54 AM EST for Brown County, Indiana. It was in force for 31 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
Jul 20, 1998, 2:54 AM EST (07:54 UTC)
Expired
Jul 20, 1998, 3:25 AM EST
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Brown County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.9 hours before the alert went out and 210 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 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2300 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 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
2300 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

048 
WUUS1 KIND 200755 RRA
SVRIND
INC013-200825-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
254 AM EST MON JUL 20 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 325 AM EST

* AT 251 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES NORTHEAST OF BLOOMINGTON...
NEAR FRUITDALE MOVING SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NASHVILLE AT 305 AM EST
  BEANBLOSSOM AT 300 AM EST

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

JAS/DT

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, Jul 19, 9:00 PM EST, 5 hours 54 minutes before
INZ029-030-036>042-048-049-056-057-064-065-072-200700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
900 PM EST SUN JUL 19 1998

THE SEVERE THUNDERSTORM WATCH FOR THE NORTHERN HALF OF INDIANA
EXPIRED AT 900 EST.

A SEVERE THUNDERSTORM WATCH FOR PART OF SOUTHEAST INDIANA REMAINS IN
EFFECT UNTIL 200 AM EST.

AT 900 PM EST RADAR INDICATED SCATTERED THUNDERSTORMS CONTINUED OVER
THE EASTERN HALF OF CENTRAL AND OVER SOUTHEAST INDIANA...AND WERE
MOVING TO THE EAST AT 35 MPH.

IF SEVERE WEATHER APPROACHES YOUR LOCATION...SEEK SHELTER IN A STRONG
BUILDING AND AWAY FROM WINDOWS.

ELSON
Local storm report, Jul 19, 9:20 PM EST, 5 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
920 PM EST SUN JUL 19 1998

TIME (EST) .....CITY LOCATION..... STATE  ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMAR,KS...

0917 PM    MUNCIE                    IN   1.75 INCH HAIL
07/19/98   DELAWARE

ELSON
Local storm report, Jul 19, 10:07 PM EST, 4 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1007 PM EST SUN JUL 19 1998

TIME (EST) .....CITY LOCATION..... STATE  ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMARKS...

1004 PM    CICERO                    IN   0.88 INCH HAIL
07/19/98   HAMILTON

ELSON
Local storm report, Jul 19, 10:43 PM EST, 4 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1043 PM EST SUN JUL 19 1998

TIME (EST) .....CITY LOCATION..... STATE  ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMARKS...

0647 PM    RUSSIAVILLE               IN   0.75 INCH HAIL
07/19/98   HOWARD

0735 PM    10 NE LEBANON             IN   WIND DAMAGE
07/19/98   BOONE                          BUILDING UNDER CONSTRUCTION
                                          ...WALL BLOWN DOWN

1022 PM    MIDDLETOWN                IN   WIND DAMAGE
07/19/98   HENRY                          2 FOOT DIAMETER TREE
                                          AND LARGE LIMBS DOWN

ELSON
Local storm report, Jul 20, 12:17 AM EST, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1217 AM EST MON JUL 20 1998

TIME (EST) .....CITY LOCATION..... STATE  ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMARKS...

1143 PM    1 E ARLINGTON             IN   WIND DAMAGE
07/19/98   RUSH

1204 AM    RUSHVILLE                 IN   WIND DAMAGE
07/20/98   RUSH                           GAS PUMPS BLOWN OVER AND
                                          TREES DOWN

1212 AM    ARLINGTON                 IN   WIND DAMAGE
07/20/98   RUSH                           TREES DOWN ON CR 775W

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:46 PM ESTSevere Thunderstorm WarningINDBoone34 min
Jul 19, 7:59 PM ESTSevere Thunderstorm WarningINDClinton36 min
Jul 19, 8:11 PM ESTSevere Thunderstorm WarningINDRush34 min
Jul 19, 8:15 PM ESTSevere Thunderstorm WarningINDHamilton35 min
Jul 19, 8:40 PM ESTSevere Thunderstorm WarningINDMadison30 min
Jul 19, 9:14 PM ESTSevere Thunderstorm WarningINDDelaware31 min
Jul 19, 9:21 PM ESTSevere Thunderstorm WarningINDRandolph49 min
Jul 19, 9:43 PM ESTSevere Thunderstorm WarningINDMadison32 min
Jul 19, 11:13 PM ESTSevere Thunderstorm WarningINDRush32 min
Jul 19, 11:48 PM ESTSevere Thunderstorm WarningINDRush32 min
Jul 20, 1:20 AM ESTSevere Thunderstorm WarningINDJohnson, Marion, Morgan30 min
Jul 20, 1:47 AM ESTSevere Thunderstorm WarningINDShelby33 min
Jul 20, 1:52 AM ESTSevere Thunderstorm WarningINDJohnson33 min
Jul 20, 2:32 AM ESTSevere Thunderstorm WarningINDBartholomew, Decatur33 min
Jul 20, 3:06 AM ESTSevere Thunderstorm WarningINDBartholomew34 min
Jul 20, 3:26 AM ESTSevere Thunderstorm WarningINDJohnson, Shelby34 min
Jul 20, 5:43 AM ESTFlash Flood WarningINDBartholomew, Decatur, Jennings6 hr
Jul 20, 11:40 AM ESTFlash Flood WarningINDBartholomew, Decatur, Jackson, Jennings5 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.