Alert archive / Ohio / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 182, NWS Northern Indiana

August 6, 2000Henry County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Aug 6, 2000, 8:29 PM EDT for Henry County, Ohio. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 6, 2000, 8:29 PM EDT (00:29 UTC)
Expired: Aug 6, 2000, 9:20 PM EDT
In force: 51 min
Issued by: NWS Northern Indiana
Area: Whole counties

County Henry County, OH

The radar

The Northern Indiana radar (KIWX), 136 km from the middle of the area, began a volume at 00:29 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
Aug 6, 6:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.5 hours before the alert went out and 163 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: 1106 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIWX 070030
SVRFWA
OHC069-070120-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
829 PM EDT SUN AUG 6 2000

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HENRY COUNTY IN OHIO

* UNTIL 920 PM EDT

* AT 829 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES NORTHWEST OF NAPOLEON...MOVING EAST AT
  30 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  FLORIDA
  NAPOLEON
  
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
WILL 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.

Issued	Product	Office	Counties	Lasted
Aug 6, 8:16 PM EDT	Severe Thunderstorm Warning	IWX	Fulton	54 min
Aug 6, 8:38 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Paulding	52 min
Aug 6, 8:55 PM EDT	Severe Thunderstorm Warning	IWX	Van Wert	45 min
Aug 6, 9:07 PM EDT	Severe Thunderstorm Warning	IWX	Henry, Putnam	53 min
Aug 6, 9:34 PM EDT	Severe Thunderstorm Warning	IWX	Allen	46 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.