Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Northern Indiana

March 20, 2003Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Mar 20, 2003, 3:42 PM EST for Wells County, Indiana. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 20, 2003, 3:42 PM EST (20:42 UTC)
Expired: Mar 20, 2003, 4:30 PM EST
In force: 48 min
Issued by: NWS Northern Indiana
Area: Counties, with a storm outline in the text

County Wells County, IN

The radar

The Northern Indiana radar (KIWX), 72 km from the middle of the area, began a volume at 20:42 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 20, 2:05 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.7 hours before the alert went out and 196 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: 1227 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: -21 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.

383 
WUUS53 KIWX 202042
SVRFWA
INC179-202130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
341 PM EST THU MAR 20 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WELLS COUNTY IN INDIANA

* UNTIL 430 PM EST

* AT 341 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF MARKLE...MOVING NORTHEAST
  AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  MARKLE
  PONETO
  UNIONDALE
  BLUFFTON
  VERA CRUZ
  OSSIAN

DIME SIZE HAIL OR LARGER IS LIKELY WITH THIS SEVERE STORM SEEK
SHELTER IMMEDIATELY

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 4093 8535 4064 8535 4063 8508 4092 8508

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 20, 12:10 PM EST	Severe Thunderstorm Warning	IWX	LaPorte	50 min
Mar 20, 12:53 PM EST	Severe Thunderstorm Warning	IWX	Marshall	37 min
Mar 20, 1:07 PM EST	Severe Thunderstorm Warning	IWX	Kosciusko, Noble, Whitley	38 min
Mar 20, 1:46 PM EST	Severe Thunderstorm Warning	IWX	Whitley	29 min
Mar 20, 2:04 PM EST	Severe Thunderstorm Warning	IWX	LaGrange	41 min
Mar 20, 2:15 PM EST	Severe Thunderstorm Warning	IWX	Noble	45 min
Mar 20, 2:42 PM EST	Severe Thunderstorm Warning	IWX	Allen, Huntington, Whitley	48 min
Mar 20, 3:07 PM EST	Severe Thunderstorm Warning	IWX	DeKalb, Noble, Steuben	53 min
Mar 20, 3:16 PM EST	Severe Thunderstorm Warning	IWX	Huntington	44 min
Mar 20, 3:32 PM EST	Severe Thunderstorm Warning	IWX	Allen	43 min
Mar 20, 4:06 PM EST	Tornado Warning	IWX	Wells	39 min
Mar 20, 4:15 PM EST	Severe Thunderstorm Warning	IWX	Steuben	60 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.