Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 53, NWS Indianapolis, IN

May 17, 1999Rush County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 17, 1999, 7:38 PM EST for Rush County, Indiana. It was in force for 52 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: May 17, 1999, 7:38 PM EST (00:38 UTC)
Expired: May 17, 1999, 8:30 PM EST
In force: 52 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Rush County, IN

The radar

The Indianapolis radar (KIND), 70 km from the middle of the area, began a volume at 00:41 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

Time	Report	Where	Remark
May 17, 7:48 PM EST	Thunderstorm Wind 56	Milroy, 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.

Issued	Product	Office	Lasted
May 17, 4:30 PM EST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 144 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: 572 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1617 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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, May 17, 7:01 PM EST, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
701 PM EST MON MAY 17 1999

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

0655 PM    12 S GREENCASTLE          IN    TORNADO
05/17/99   PUTNAM                          STATE EMERGENCY
                                           MANAGEMENT REPORTS
                                           TORNADO SIGHTED AT SR
                                           231 AND CR 1200S.
                                           ...NOW BACK TO A FUNEL.
                                           TREES DOWN ON US 231.

Local storm report, May 17, 7:06 PM EST, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST MON MAY 17 1999

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

0655 PM    GREENCASTLE               IN    WIND DAMAGE
05/17/99   PUTNAM                          TREES AND POWER LINES
                                           DOWN

0655 PM    PUTNAMVILLE               IN    WIND DAMAGE
05/17/99   PUTNAM                          TREES AND POWER LINES
                                           DOWN

Local storm report, May 17, 7:17 PM EST, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
717 PM EST MON MAY 17 1999

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

0714 PM    7 SW MARIETTA             IN    TORNADO
05/17/99   SHELBY                          REPORTED BY SHELBY
                                           COUNTY SHERIFF

Local storm report, May 17, 7:21 PM EST, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
721 PM EST MON MAY 17 1999

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

0720 PM    3 S SHELBYVILLE           IN    67 MPH TSTM GUST
05/17/99   SHELBY                          REPORTED BY AMATUER RADIO

Local storm report, May 17, 7:30 PM EST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
730 PM EST MON MAY 17 1999

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

0707 PM    OGILVILLE                 IN    60 MPH TSTM GUST
05/17/99   BARTHOLOMEW                     ESTIMATED WIND

0720 PM    3 S SHELBYVILLE           IN    67 MPH TSTM GUST
05/17/99   SHELBY                          REPORTED BY AMATEUR
                                           RADIO OPERATOR

0725 PM    5 N (IND)INDNPLS INTL ARPTIN    .75 INCH HAIL
05/17/99   MARION                          REPORTED BY HAM RADIO
                                           OPERATOR AT I74 AND I465

Local storm report, May 17, 7:35 PM EST, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
735 PM EST MON MAY 17 1999

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

0727 PM    AVON                      IN    .75 INCH HAIL
05/17/99   HENDRICKS                       REPORTED BY AMATEUR
                                           RADIO OPERATOR AT DAN
                                           JONES  RD AND 10TH ST.

0728 PM    LETTS                     IN    63 MPH TSTM GUST
05/17/99   DECATUR                         REPORTED BY AMATEUR
                                           RADIO OPERATOR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 7:09 PM EST	Severe Thunderstorm Warning	IND	Randolph	51 min
May 17, 7:12 PM EST	Severe Thunderstorm Warning	IND	Decatur, Shelby	48 min
May 17, 7:12 PM EST	Severe Thunderstorm Warning	IND	Jennings	48 min
May 17, 7:15 PM EST	Severe Thunderstorm Warning	IND	Hendricks, Marion	45 min
May 17, 7:18 PM EST	Tornado Warning	IND	Shelby	27 min
May 17, 7:44 PM EST	Severe Thunderstorm Warning	IND	Boone, Hamilton	46 min
May 17, 7:51 PM EST	Tornado Warning	IND	Rush	24 min
May 17, 7:58 PM EST	Severe Thunderstorm Warning	IND	Henry	32 min
May 17, 8:06 PM EST	Severe Thunderstorm Warning	IND	Madison, Tipton	39 min
May 17, 8:08 PM EST	Tornado Warning	IND	Henry	37 min
May 17, 8:17 PM EST	Severe Thunderstorm Warning	IND	Randolph	43 min
May 17, 8:26 PM EST	Tornado Warning	IND	Randolph	34 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999 Every severe thunderstorm warning in 1999

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.