Alert archive / Indiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 158, NWS Indianapolis, IN

October 24, 2001Decatur County, Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Oct 24, 2001, 5:56 PM EST for Decatur County, Jennings County, Indiana. It was in force for 34 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: Oct 24, 2001, 5:56 PM EST (22:56 UTC)
Expired: Oct 24, 2001, 6:30 PM EST
In force: 34 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Decatur County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 22:56 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
Oct 24, 6:25 PM EST	Thunderstorm Wind 50 E	North Vernon, 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
Oct 24, 11:45 AM EST	Tornado Watch	SPC	7 hr
Oct 24, 5:45 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 912 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 297 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.

276 
WUUS53 KIND 242257
SVRIND
INC031-079-242330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
556 PM EST WED OCT 24 2001

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DECATUR COUNTY IN CENTRAL INDIANA
  JENNINGS COUNTY IN SOUTHEAST INDIANA

* UNTIL 630 PM EST

* AT 556 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER WESTPORT...OR ABOUT 17 MILES EAST OF
  COLUMBUS...MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MILLHOUSEN AT 610 PM EST

A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A
BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

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 3882 8580 3892 8550 3942 8532 3940 8564

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.

NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 24, 2:40 PM EST, 3 hours 16 minutes earlier.

Area forecast discussion, Oct 24, 2:40 PM EST, 3 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
240 PM EST WED OCT 24 2001

WITH INCOMING SQUALL INLINE AND VARIOUS EQUIPMENT PROBLEMS...AND
MODELS CLOSE...DIDNT SPEED TOO MUCH TIME TRYING TO WORK ON GUIDANCE.

AS IWX POINTED OUT...MAIN CONCERN...EXCEPT FOR THE SQUALL
LINE...THREAT OF HIGH WINDS LATE TONIGHT AND THURSDAY. ALL MODELS
HAVE GRADIENT MORE RELAXED FOR OUR AREA THAN FARTHER NORTH. SINCE
CORE OF SYSTEM ALOFT ALSO PASSING WELL TO NORTH DONT SEE NEED FOR
ADVISORY IN THIS AREA.

.IND...NONE.
KWIATKOWSKI

In the hours before

Local storm report, Oct 24, 5:34 PM EST, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
534 PM EST WED OCT 24 2001

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

0430 PM    LINTON                    IN   WIND DAMAGE
10/24/01   GREENE                         5 TREES UPROOTED.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

Local storm report, Oct 24, 5:36 PM EST, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
536 PM EST WED OCT 24 2001

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

0510 PM    BLOOMINGTON               IN   WIND DAMAGE TWO TRACTOR
10/24/01   MONROE                         TRAILER TURNED
                                          OPERATOR.

Local storm report, Oct 24, 5:39 PM EST, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
539 PM EST WED OCT 24 2001

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

0525 PM    1 S MIDDLETOWN            IN   .88 INCH HAIL
10/24/01   HENRY                          REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, Oct 24, 5:43 PM EST, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
543 PM EST WED OCT 24 2001

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

0510 PM    BLOOMINGTON               IN   WIND DAMAGE
10/24/01   MONROE                         TREE DOWN REPORTED BY
                                          HAM RADIO OPERATOR.

Local storm report, Oct 24, 5:47 PM EST, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
547 PM EST WED OCT 24 2001

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

0540 PM    WILKINSON                 IN   2 INCH HAIL
10/24/01   HANCOCK                        REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, Oct 24, 5:48 PM EST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
548 PM EST WED OCT 24 2001

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

0540 PM    OGILVILLE                 IN   70 MPH TSTM GUST
10/24/01   BARTHOLOMEW                    REPORTED BY HAM RADIO
                                          OPERATOR.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 2:38 PM EST	Severe Thunderstorm Warning	IND	Warren	52 min
Oct 24, 2:41 PM EST	Tornado Warning	IND	Warren	49 min
Oct 24, 2:59 PM EST	Severe Thunderstorm Warning	IND	Owen, Putnam	31 min
Oct 24, 3:09 PM EST	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke	36 min
Oct 24, 3:09 PM EST	Severe Thunderstorm Warning	IND	Tippecanoe	36 min
Oct 24, 3:22 PM EST	Severe Thunderstorm Warning	IND	Hendricks, Marion, Morgan	23 min
Oct 24, 3:31 PM EST	Severe Thunderstorm Warning	IND	Owen	29 min
Oct 24, 3:46 PM EST	Severe Thunderstorm Warning	IND	Carroll, Clinton	29 min
Oct 24, 3:46 PM EST	Tornado Warning	IND	Morgan, Owen, Putnam	29 min
Oct 24, 3:52 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Marion	23 min
Oct 24, 3:56 PM EST	Severe Thunderstorm Warning	IND	Hancock, Henry	34 min
Oct 24, 4:14 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Madison, Tipton	31 min
Oct 24, 4:14 PM EST	Severe Thunderstorm Warning	IND	Howard	31 min
Oct 24, 4:24 PM EST	Tornado Warning	IND	Morgan	36 min
Oct 24, 4:37 PM EST	Tornado Warning	IND	Johnson, Marion	23 min
Oct 24, 4:40 PM EST	Tornado Warning	IND	Delaware, Madison	35 min
Oct 24, 4:49 PM EST	Severe Thunderstorm Warning	IND	Monroe	26 min
Oct 24, 4:51 PM EST	Tornado Warning	IND	Hancock, Shelby	24 min
Oct 24, 5:06 PM EST	Severe Thunderstorm Warning	IND	Henry	24 min
Oct 24, 5:06 PM EST	Tornado Warning	IND	Greene, Lawrence, Monroe	24 min
Oct 24, 5:13 PM EST	Tornado Warning	IND	Hancock, Marion, Shelby	32 min
Oct 24, 5:31 PM EST	Severe Thunderstorm Warning	IND	Delaware, Henry	29 min
Oct 24, 6:02 PM EST	Severe Thunderstorm Warning	IND	Henry, Randolph	28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2001 Every severe thunderstorm warning in 2001

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.