Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 55, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 17, 1999, 7:58 PM EST for Henry County, Indiana. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 17, 1999, 7:58 PM EST (00:58 UTC)
- Expired
- May 17, 1999, 8:30 PM EST
- In force
- 32 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Henry County, IN
The radar
The Indianapolis radar (KIND), 75 km from the middle of the area, began a volume at 01:02 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, 8:05 PM EST | Thunderstorm Wind 56 | New Castle, 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, 1:35 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.0 hours before the alert went out and 151 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KIND 180100 SVRIND INC065-180130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 758 PM EST MON MAY 17 1999 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HENRY COUNTY IN INDIANA * UNTIL 830 PM EST * AT 751 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF NEW CASTLE...MOVING NORTHEAST AT 95 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEW CASTLE AT 805 PM EST MOORELAND AT 815 PM EST NEW LISBON AT 815 PM EST REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN INDIANAPOLIS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EST MONDAY EVENING FOR INDIANA. LAT...LON 3983 8556 3983 8529 4005 8527 4003 8554
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, 7:06 PM EST, 52 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
DOWNLocal storm report, May 17, 7:17 PM EST, 41 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 SHERIFFLocal storm report, May 17, 7:21 PM EST, 37 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 RADIOLocal storm report, May 17, 7:30 PM EST, 28 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 I465Local storm report, May 17, 7:35 PM EST, 23 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 OPERATORLocal storm report, May 17, 7:56 PM EST, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
756 PM EST MON MAY 17 1999
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0744 PM 2 E ROSSTON IN 1.75 INCH HAIL
05/17/99 BOONE
0747 PM 2 E RUSHVILLE IN TORNADO
05/17/99 RUSH REPORTED BY COUNTY
SHERIFF
0748 PM 1 S MILROY IN WIND DAMAGE
05/17/99 RUSH BARN COMPLETELY DESTROYED
0750 PM NOBLESVILLE IN FLOOD
05/17/99 HAMILTON RAINFALL AT THE RATE OF
3 INCHES PER HOUR
REPORTED BY AMATEUR
RADIO OPERATOR
0752 PM NOBLESVILLE IN WIND DAMAGE
05/17/99 HAMILTON *** 1 INJ ***
TREES DOWN ON MULTIPLE
VEHICLES - INJURIESThe 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, 7:38 PM EST | Severe Thunderstorm Warning | IND | Rush | 52 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, 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, 1999Every 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.