Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 41, NWS Indianapolis, IN

May 17, 1999Knox County, Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 17, 1999, 5:59 PM EST for Knox County, Sullivan County, Indiana. It was in force for 46 min. 3 reports 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, 5:59 PM EST (22:59 UTC)
Expired
May 17, 1999, 6:45 PM EST
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Knox County, IN, Sullivan County, IN

What was reported inside it

TimeReportWhereRemark
May 17, 6:07 PM ESTThunderstorm Wind 50Linton, IN
May 17, 6:08 PM ESTThunderstorm Wind 50Loogootee, IN
May 17, 6:15 PM ESTThunderstorm Wind 50Odon, 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

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 161 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, Lincoln, IL at 12:00Z on 1999-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1999-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.193958Sfc1 km3 km6 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
8 J/kg
Mixed-layer CIN
-466 J/kg
Mixed-layer LCL
1464 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

999 
WUUS1 KIND 172302 RRA
SVRIND
INC027-055-083-101-153-167-172345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
559 PM EST MON MAY 17 1999

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIESS COUNTY IN INDIANA
  WESTERN GREENE COUNTY IN INDIANA
  EASTERN KNOX COUNTY IN INDIANA
  MARTIN COUNTY IN INDIANA
  SULLIVAN COUNTY IN INDIANA
  VIGO COUNTY IN INDIANA

* UNTIL 645 PM EST

* AT 553 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST
  OF SULLIVAN TO 6 MILES NORTHWEST OF WASHINGTON TO 5 MILES SOUTH    
  OF WASHINGTON...MOVING NORTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SHELBURN AT 605 PM EST
  SANDBORN AT 610 PM EST
  MONTGOMERY AT 615 PM EST
  LINTON AT 625 PM EST
  LYONS AT 635 PM EST

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN INDIANAPOLIS.

LAT...LON 3960 8751 3855 8739 3868 8670 3918 8724

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, 5:22 PM EST, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
522 PM EST MON MAY 17 1999

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

0513 PM    GOSPORT                   IN    WIND DAMAGE
05/17/99   OWEN                            TREE LIMBS DOWNED.
                                           REPORTED BY AMATEUR
                                           RADIO.
Local storm report, May 17, 5:22 PM EST, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
522 PM EST MON MAY 17 1999

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

0513 PM    GOSPORT                   IN    WIND DAMAGE
05/17/99   OWEN                            TREE LIMBS DOWNED.
                                           REPORTED BY AMATEUR
                                           RADIO.
Local storm report, May 17, 5:58 PM EST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
558 PM EST MON MAY 17 1999

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

0539 PM    VINCENNES                 IN    WIND DAMAGE
05/17/99   KNOX                            LARGE TREES DOWNED.
                                           REPORTED BY FIRE
                                           DEPARTMENT.
Local storm report, May 17, 5:58 PM EST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
558 PM EST MON MAY 17 1999

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

0539 PM    VINCENNES                 IN    WIND DAMAGE
05/17/99   KNOX                            LARGE TREES DOWNED.
                                           REPORTED BY FIRE
                                           DEPARTMENT.
Local storm report, May 17, 5:59 PM EST, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
559 PM EST MON MAY 17 1999

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

0538 PM    BRUCEVILLE                IN    WIND DAMAGE
05/17/99   KNOX                            TREES DOWNED WITH
                                           ESTIMATED 54 MPH WIND.
                                           REPORTED BY FIRE
                                           DEPARTMENT.
Local storm report, May 17, 5:59 PM EST, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
559 PM EST MON MAY 17 1999

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

0538 PM    BRUCEVILLE                IN    WIND DAMAGE
05/17/99   KNOX                            TREES DOWNED WITH
                                           ESTIMATED 54 MPH WIND.
                                           REPORTED BY FIRE
                                           DEPARTMENT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:57 AM ESTSevere Thunderstorm WarningINDFountain, Montgomery33 min
May 17, 1:28 PM ESTSevere Thunderstorm WarningINDClinton, Tipton32 min
May 17, 3:51 PM ESTSevere Thunderstorm WarningINDMarion39 min
May 17, 4:03 PM ESTSevere Thunderstorm WarningINDMonroe, Owen27 min
May 17, 4:06 PM ESTSevere Thunderstorm WarningINDHamilton24 min
May 17, 4:18 PM ESTSevere Thunderstorm WarningINDMorgan32 min
May 17, 4:29 PM ESTSevere Thunderstorm WarningINDMonroe16 min
May 17, 4:36 PM ESTSevere Thunderstorm WarningINDLawrence24 min
May 17, 4:44 PM ESTSevere Thunderstorm WarningINDMadison31 min
May 17, 4:49 PM ESTSevere Thunderstorm WarningINDHendricks, Marion26 min
May 17, 4:52 PM ESTSevere Thunderstorm WarningINDMorgan23 min
May 17, 4:56 PM ESTSevere Thunderstorm WarningINDHamilton, Hancock34 min
May 17, 5:10 PM ESTSevere Thunderstorm WarningINDBrown, Monroe35 min
May 17, 5:14 PM ESTSevere Thunderstorm WarningINDHamilton, Marion31 min
May 17, 5:14 PM ESTSevere Thunderstorm WarningINDJohnson, Morgan31 min
May 17, 5:26 PM ESTSevere Thunderstorm WarningINDSullivan, Vigo34 min
May 17, 5:26 PM ESTSevere Thunderstorm WarningINDDaviess, Greene, Knox34 min
May 17, 5:41 PM ESTSevere Thunderstorm WarningINDLawrence, Monroe34 min
May 17, 5:41 PM ESTSevere Thunderstorm WarningINDBrown34 min
May 17, 5:44 PM ESTSevere Thunderstorm WarningINDHancock31 min
May 17, 5:59 PM ESTSevere Thunderstorm WarningINDDaviess, Greene, Martin46 min
May 17, 5:59 PM ESTSevere Thunderstorm WarningINDVigo46 min
May 17, 6:12 PM ESTSevere Thunderstorm WarningINDClay48 min
May 17, 6:19 PM ESTSevere Thunderstorm WarningINDBrown41 min
May 17, 6:23 PM ESTSevere Thunderstorm WarningINDOwen37 min
May 17, 6:30 PM ESTSevere Thunderstorm WarningINDLawrence, Monroe30 min
May 17, 6:40 PM ESTSevere Thunderstorm WarningINDMorgan, Putnam50 min
May 17, 6:51 PM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson39 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.