Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 136, NWS Indianapolis, IN

July 19, 1998Delaware County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 19, 1998, 9:14 PM EST for Delaware County, Indiana. It was in force for 31 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: Jul 19, 1998, 9:14 PM EST (02:14 UTC)
Expired: Jul 19, 1998, 9:45 PM EST
In force: 31 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Delaware County, IN

What was reported inside it

Time	Report	Where	Remark
Jul 19, 9:14 PM EST	Hail 1.75	Central Portion, 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.2 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Jul 19, 6:39 PM EST, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
639 PM EST SUN JUL 19 1998

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

0631 PM    FOREST                    IN   1.75 INCH HAIL
07/19/98   CLINTON                        GOLFBALL SIZE HAIL
                                          COVERING THE GROUND

ELSON

Local storm report, Jul 19, 8:47 PM EST, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
847 PM EST SUN JUL 19 1998

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

0834 PM    RUSHVILLE                 IN   WIND DAMAGE
07/19/98   RUSH                           36 INCH DIAMETER TREE
                                          BLOWN DOWN ONTO A CAR

0836 PM    RUSHVILLE                 IN   WIND DAMAGE
07/19/98   RUSH                           NUMEROUS TREES DOWN

0836 PM    CARTHAGE                  IN   WIND DAMAGE
07/19/98   RUSH                           2 FOOT DIAMETER TREE
                                          BLOWN DOWN

0840 PM    ARLINGTON                IN    WIND DAMAGE
07/19/98   RUSH                           LARGE TREE BLOWN DOWN
                                          ACROSS U.S. 52

ZIMMERMAN

Special weather statement, Jul 19, 9:00 PM EST, 14 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:46 PM EST	Severe Thunderstorm Warning	IND	Boone	34 min
Jul 19, 7:59 PM EST	Severe Thunderstorm Warning	IND	Clinton	36 min
Jul 19, 8:11 PM EST	Severe Thunderstorm Warning	IND	Rush	34 min
Jul 19, 8:15 PM EST	Severe Thunderstorm Warning	IND	Hamilton	35 min
Jul 19, 8:40 PM EST	Severe Thunderstorm Warning	IND	Madison	30 min
Jul 19, 9:21 PM EST	Severe Thunderstorm Warning	IND	Randolph	49 min
Jul 19, 9:43 PM EST	Severe Thunderstorm Warning	IND	Madison	32 min
Jul 19, 11:13 PM EST	Severe Thunderstorm Warning	IND	Rush	32 min
Jul 19, 11:48 PM EST	Severe Thunderstorm Warning	IND	Rush	32 min
Jul 20, 1:20 AM EST	Severe Thunderstorm Warning	IND	Johnson, Marion, Morgan	30 min
Jul 20, 1:47 AM EST	Severe Thunderstorm Warning	IND	Shelby	33 min
Jul 20, 1:52 AM EST	Severe Thunderstorm Warning	IND	Johnson	33 min
Jul 20, 2:32 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	33 min
Jul 20, 2:54 AM EST	Severe Thunderstorm Warning	IND	Brown	31 min
Jul 20, 3:06 AM EST	Severe Thunderstorm Warning	IND	Bartholomew	34 min
Jul 20, 3:26 AM EST	Severe Thunderstorm Warning	IND	Johnson, Shelby	34 min
Jul 20, 5:43 AM EST	Flash Flood Warning	IND	Bartholomew, Decatur, Jennings	6 hr
Jul 20, 11:40 AM EST	Flash Flood Warning	IND	Bartholomew, Decatur, Jackson, Jennings	5 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 1998 Every 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.