Alert archive / Ohio / Tornado Warnings in 2007

Tornado Warning 4, NWS Wilmington, OH

April 26, 2007Brown County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 26, 2007, 6:31 PM EDT for Brown County, Ohio. It was in force for 29 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: Apr 26, 2007, 6:31 PM EDT (22:31 UTC)
Expired: Apr 26, 2007, 7:00 PM EDT
In force: 29 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Brown County, OH

The radar

The Cincinnati radar (KILN), 76 km from the middle of the area, began a volume at 22:33 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
Apr 26, 2:26 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.5 hours before the alert went out and 77 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: 215 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 129 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 
WFUS51 KILN 262230
TORILN
OHC015-262300-
/O.NEW.KILN.TO.W.0004.070426T2231Z-070426T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
631 PM EDT THU APR 26 2007

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BROWN COUNTY IN SOUTHWEST OHIO...

* UNTIL 700 PM EDT.

* AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR RIPLEY...MOVING NORTHEAST AT 35 MPH.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN
  BROWN COUNTY...INCLUDING DECATUR.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. MOBILE HOMES
AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID
WINDOWS

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR SOUTHEASTERN INDIANA.

LAT...LON 3873 8386 3866 8380 3867 8371 3888 8369

$$

HAWBLITZEL

1 follow-up statement

000 
WWUS51 KILN 262252
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
652 PM EDT THU APR 26 2007

OHC015-262302-
/O.EXP.KILN.TO.W.0004.000000T0000Z-070426T2300Z/
BROWN OH-
652 PM EDT THU APR 26 2007

...THE TORNADO WARNING FOR SOUTHEASTERN BROWN COUNTY WILL EXPIRE AT
700 PM EDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3873 8386 3866 8380 3867 8371 3888 8369

$$

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 4:30 PM EDT	Severe Thunderstorm Warning	ILN	Shelby	30 min
Apr 26, 4:58 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Logan	32 min
Apr 26, 6:43 PM EDT	Tornado Warning	ILN	Adams	32 min
Apr 26, 7:12 PM EDT	Tornado Warning	ILN	Adams	33 min
Apr 26, 7:25 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize	50 min
Apr 26, 7:28 PM EDT	Tornado Warning	ILN	Pike, Scioto	47 min
Apr 26, 7:47 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	23 min
Apr 26, 7:52 PM EDT	Severe Thunderstorm Warning	ILN	Ross	38 min

Nearby

Tornado Warnings in Ohio, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.