Alert archive / Indiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 21, NWS Northern Indiana

April 10, 2001DeKalb County, Noble County, Steuben County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 10, 2001, 1:28 AM EST for DeKalb County, Noble County, Steuben County, Indiana. It was in force for 62 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 10, 2001, 1:28 AM EST (06:28 UTC)
Expired
Apr 10, 2001, 2:30 AM EST
In force
62 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties DeKalb County, IN, Noble County, IN, Steuben County, IN

The radar

The Northern Indiana radar (KIWX), 49 km from the middle of the area, began a volume at 06:31 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 10, 1:33 AM ESTHail 1.75Rome City, IN
Apr 10, 1:45 AM ESTHail 1.25Ligonier, IN
Apr 10, 1:54 AM ESTHail 0.88Salem Center, IN
Apr 10, 2:08 AM ESTHail 0.88Angola, 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

Detroit, MI (KDTX), launched 00:00Z, 6.5 hours before the alert went out and 197 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, Detroit, MI at 00:00Z on 2001-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 00:00Z on 2001-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
16 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.

000 
WUUS53 KIWX 100628
SVRFWA
INC033-113-151-100730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
128 AM EST TUE APR 10 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DE KALB COUNTY IN INDIANA
  NORTHEASTERN NOBLE COUNTY IN INDIANA
  SOUTHERN STEUBEN COUNTY IN INDIANA

* UNTIL 230 AM EST

* AT 128 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES WEST OF KENDALLVILLE...MOVING EAST 
AT   35 MPH. GOLFBALL SIZE HAIL HAS BEEN REPORTED WITH THIS STORM.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  KENDALLVILLE
  WATERLOO
  HAMILTON
  BUTLER
  ANGOLA

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE
STORMS CAN PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:02 PM ESTTornado WarningIWXHuntington, Wabash48 min
Apr 9, 7:19 PM ESTSevere Thunderstorm WarningIWXGrant56 min
Apr 9, 7:29 PM ESTTornado WarningIWXJay51 min
Apr 9, 7:37 PM ESTSevere Thunderstorm WarningIWXMiami23 min
Apr 9, 7:48 PM ESTTornado WarningIWXBlackford, Grant62 min
Apr 9, 10:38 PM ESTSevere Thunderstorm WarningIWXWhite42 min
Apr 10, 12:04 AM ESTSevere Thunderstorm WarningIWXWhite26 min
Apr 10, 12:51 AM ESTSevere Thunderstorm WarningIWXKosciusko39 min
Apr 10, 1:04 AM ESTSevere Thunderstorm WarningIWXNoble26 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2001Every 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.