Alert archive / Indiana / Tornado Warnings in 2001

Tornado Warning 2, NWS Northern Indiana

April 9, 2001Blackford County, Grant County, Indiana

NWS Northern Indiana issued this tornado warning at Apr 9, 2001, 6:55 PM EST for Blackford County, Grant County, Indiana. It was in force for 50 min. 9 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
Apr 9, 2001, 6:55 PM EST (23:55 UTC)
Expired
Apr 9, 2001, 7:45 PM EST
In force
50 min
Issued by
NWS Northern Indiana
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Blackford County, IN, Grant County, IN

The radar

The Northern Indiana radar (KIWX), 91 km from the middle of the area, began a volume at 23:54 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

TimeReportWhereRemark
Apr 9, 6:56 PM ESTHail 1.25Fulton, IN
Apr 9, 7:03 PM ESTHail 1.75Erie, IN
Apr 9, 7:09 PM ESTHail 1.25Somerset, IN
Apr 9, 7:20 PM ESTHail 4.5Hartford City, INPower lines down.
Apr 9, 7:28 PM ESTHail 0.88La Fontaine, IN
Apr 9, 7:30 PM ESTHail 0.88Hartford City, IN
Apr 9, 7:30 PM ESTHail 1Marion, IN
Apr 9, 7:35 PM ESTThunderstorm WindArcana, INSeveral roofs reported blown off. Many trees down.
Apr 9, 7:53 PM ESTHail 1.75Portland, 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.

IssuedProductOfficeLasted
Apr 9, 6:15 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 189 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, Cncnati-Daytn, OH at 12:00Z on 2001-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 554 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2001-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 km3 km6 km9 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
554 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIWX 092356
TORFWA
INC009-053-100045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
655 PM EST MON APR 9 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  BLACKFORD COUNTY IN INDIANA
  EASTERN GRANT COUNTY IN INDIANA

* UNTIL 745 PM EST

* AT 655 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A POSSIBLE TORNADO 5 MILES NORTHEAST OF MARION...MOVING  SOUTHEAST 
  AT 25 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  HARTFORD CITY
  MONTPELIER
  ARCANA

FUNNEL CLOUDS HAVE BEEN REPORTED WITH THIS STORM.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AWAY FROM WINDOWS.

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

LAT...LON 4068 8557 4052 8569 4039 8522 4056 8521
          4059 8546

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 11:17 PM ESTSevere Thunderstorm WarningIWXElkhart, LaGrange33 min
Apr 9, 6:47 AM ESTSevere Thunderstorm WarningIWXSaint Joseph43 min
Apr 9, 5:19 PM ESTSevere Thunderstorm WarningIWXCass, Miami31 min
Apr 9, 5:43 PM ESTSevere Thunderstorm WarningIWXGrant, Wabash47 min
Apr 9, 5:48 PM ESTSevere Thunderstorm WarningIWXPulaski62 min
Apr 9, 5:52 PM ESTSevere Thunderstorm WarningIWXMiami28 min
Apr 9, 6:19 PM ESTSevere Thunderstorm WarningIWXHuntington61 min
Apr 9, 6:22 PM ESTSevere Thunderstorm WarningIWXCass, Fulton58 min
Apr 9, 6:32 PM ESTSevere Thunderstorm WarningIWXWabash18 min
Apr 9, 6:41 PM ESTSevere Thunderstorm WarningIWXGrant39 min
Apr 9, 6:42 PM ESTTornado WarningIWXCass, Miami38 min

Nearby

Tornado Warnings in Indiana, 2001Every tornado warning in 2001Tornadoes 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.