Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 73, NWS Northern Indiana

May 18, 2000Miami County, Wabash County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 18, 2000, 9:31 PM EST for Miami County, Wabash County, Indiana. It was in force for 29 min. 2 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: May 18, 2000, 9:31 PM EST (02:31 UTC)
Expired: May 18, 2000, 10:00 PM EST
In force: 29 min
Issued by: NWS Northern Indiana
Area: Whole counties

Counties Miami County, IN, Wabash County, IN

The radar

The Northern Indiana radar (KIWX), 64 km from the middle of the area, began a volume at 02:35 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
May 18, 9:45 PM EST	Hail 0.75	Wabash, IN
May 18, 9:50 PM EST	Hail 0.88	Wabash, 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
May 18, 9:00 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.5 hours before the alert went out and 237 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: 246 J/kg
Mixed-layer CIN: -242 J/kg
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

289 
WUUS53 KIWX 190233
SVRFWA
INC103-169-190300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
931 PM EST THU MAY 18 2000

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MIAMI COUNTY IN INDIANA
  WABASH COUNTY IN INDIANA

* UNTIL 1000 PM EST

* AT 930 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PERU...MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...      
  SANTA FE
  WABASH
  LAGRO

A TORNADO WATCH REMAINS IN EFFECT. SEVERE STORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCED WARNING. IF YOU ARE IN THE PATH
OF THIS STORM...SEEK SHELTER NOW

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

SLL/RS
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:04 PM EST	Severe Thunderstorm Warning	IWX	LaPorte, Starke	56 min
May 18, 7:19 PM EST	Severe Thunderstorm Warning	IWX	Pulaski	61 min
May 18, 7:49 PM EST	Severe Thunderstorm Warning	IWX	Fulton, Marshall	61 min
May 18, 8:21 PM EST	Severe Thunderstorm Warning	IWX	Kosciusko	39 min
May 18, 8:39 PM EST	Severe Thunderstorm Warning	IWX	Miami, Wabash	51 min
May 18, 9:00 PM EST	Severe Thunderstorm Warning	IWX	Huntington, Whitley	50 min
May 18, 9:40 PM EST	Severe Thunderstorm Warning	IWX	Allen	30 min
May 18, 10:17 PM EST	Severe Thunderstorm Warning	IWX	Wells	33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2000 Every severe thunderstorm warning in 2000

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.