Indiana, 2001

Hail and Damaging Winds in Indiana, September 23, 2001

September 23, 2001 · NWS IWX · 7 events in 1 county or zone

5 thunderstorm wind, 2 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$2,000
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before the first event at Sep 23, 2:01 PM EST, 3 hours 16 minutes earlier.

Area forecast discussion, Sep 23, 2:01 PM EST, 3 hours 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
201 PM EST SUN SEP 23 2001

SEVERAL FCST PROBLEMS TO DEAL WITH THIS AFTN...BEGINNING WITH SEVERE
THREAT AHEAD OF COLD FRONT. ETA HAS COME INTO LINE WITH PAST AND
CURRENT RUN OF AVN/MRF...BUT IT APPEARS TO PULL UPPER LOW EAST TOO
FAST. HAVE FOLLOWED MRF/AVN FOR CONSISTENCY AND THEY ARE A LITTLE
SLOWER TO PULL LOW OUT OF AREA.

TSRA AND EVEN SHRA HAVE HAD DIFFICULTY DEVELOPING THIS AFTERNOON IN
LOW SFC DWPT AIR. SFC ANALYSIS AND MSAS INDICATE A PRE FRONTAL
TROF HAS DEVELOPED AND IS MOVING ACRS WRN FA. FEW SHOWERS HAVE
FINALLY DEVELOPED ALONG THIS TROF. MSAS 3HR PRES CHANGE SHOWS GOOD
RISE/FALL COUPLET...ALLOWING SFC FNT TO MOVE EAST AS SFC LOW MOVES FM
LK MI ONSHORE. WINDS HAVE BACKED NICELY AHEAD OF TROF AND TEMPS HAVE
RESPONDED TO SS BY RISING WELL INTO MIDDLE 70S. RESULTANT CAPE HAS
INCREASE TO OVER 1000 J/KG AND LI/S TO -2. TSRA AND SVR THREAT STILL
POSSIBLE OVR ERN FA AS TROF MOVES THROUGH THIS AFTN. CDFNT WL THEN
MOVE ACRS AREA OVERNIGHT. SOME RECOVERY IN LOW LEVEL WINDS BEHIND
INITIAL TROF WL ALLOW FOR LOW LEVEL CONVERGENCE ALONG FNT AND SCT
TSRA/SHRA WITH FROPA. VIS IMAGERY AND KILX 88D SHOWING THE FNT
NICELY AS A THIN LINE OF CONVERGENCE. KILX 88D ALSO BEGINNING TO
SHOW SOME INCREASE IN WEAK RETURNS AHEAD OF FNT. WL DECIDE ON EXACT
POPS AT ISSUANCE TIME...BUT FOR NOW LEANING TOWARD SCT WORDING
TONIGHT.

CAA...IMPRESSIVE COLD POOL ALOFT AND H5 LOW CLOSING OFF WL KEEP IT
CLOUDY ON MONDAY WITH INSTABILITY SHOWERS. LAKE EFFECT SHOWERS
POSSIBLE BUT BEST FETCH FOR NW FA DOES NOT OCCUR TIL MON NIGHT.
DELTA T/S 16 TO 18C WITH CYCLONIC FETCH...BUT WRN AREAS ALSO
BEGINNING TO DRY OUT WITH SUBSIDENCE TRYING TO WORK IN. AVN
INDICATES NUMEROUS SHORTWAVES AND WRAP AROUND MOISTURE TO AFFECT
REST OF FA INTO TUE NIGHT. WL CONT CHC POPS ALL AREAS WITH SLIGHTLY
HIGHER POPS NEAR LAKE AND IN FAR EAST. COULD BE LINGERING SHOWERS IN
EAST ON WED BUT NOT READY TO INTRODUCE POPS AS AVN AND MRF SHOW UPPER
LOW LIFTING OUT ON WED. UPSTREAM KICKER THAT MRF WAS DEVELOPING INTO
YET ANOTHER CLOSED LOW FOR LATE THIS WEEK NOW APPEARS TO BE TAKEN
NORTH INTO CANADA BY 120 HR AVN. WL CONT WITH DRY EXTENDED AND COOLER
THAN NORM TEMPS.

.IWX..NONE.

LASHLEY

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 thunderstorm wind, 2 hail. Local standard time, as filed.

Hail, Grant

When
September 23, 5:17 PM EST
Where
Grant County, 2 mi SW of Marion
Measured
0.88 in hail
Reported by
AMATEUR RADIO
Coordinates
40.533, -85.617

Thunderstorm Wind, Grant

When
September 23, 5:28 PM EST
Where
Grant County, 2 mi NW of Gas City
Reported by
AMATEUR RADIO
Coordinates
40.500, -85.650

Six trees, each approximately 12 inches in diameter, were blown down.

Hail, Grant

When
September 23, 5:30 PM EST
Where
Grant County, Gas City
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.483, -85.617

Thunderstorm Wind, Grant

When
September 23, 5:30 PM EST
Where
Grant County, Gas City
Reported by
TRAINED SPOTTER
Coordinates
40.483, -85.617

Numerous power and telephone lines blown down.

Thunderstorm Wind, Grant

When
September 23, 5:30 PM EST
Where
Grant County, Marion
Property damage
$2,000
Reported by
NEWSPAPER
Coordinates
40.550, -85.583

A large tree at 1623 East 37th Street in Marion was blown down by thunderstorm wind gusts. The tree brought down utility lines, damaged a garage roof, and blocked part of a road.

Thunderstorm Wind, Grant

When
September 23, 5:30 PM EST
Where
Grant County, Marion
Reported by
NEWSPAPER
Coordinates
40.550, -85.583

Two trees blown down on Meridian Street between 50th and 53rd Streets.

Thunderstorm Wind, Grant

When
September 23, 5:30 PM EST
Where
Grant County, Countywide
Reported by
NEWSPAPER
Coordinates
40.517, -85.633

High winds brought down numerous power lines across Grant County. As many as 300 people were without power in the Gas City and South Marion areas until around 8:45 pm Sunday night. An additional 200 people were without power throughout the rest of the county.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Indiana in 2001Every state in 2001This day in weather historyWarnings in Indiana, September 2001

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5269023, 5269024, 5269025, 5269026, 5269027, 5269046, 5269047.