Alert archive / Ohio / Tornado Warnings in 2007

Tornado Warning 23, NWS Northern Indiana

August 9, 2007Putnam County, Ohio

NWS Northern Indiana issued this tornado warning at Aug 9, 2007, 2:21 PM EDT for Putnam County, Ohio. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 9, 2007, 2:21 PM EDT (18:21 UTC)
Expired
Aug 9, 2007, 2:55 PM EDT
In force
34 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

County Putnam County, OH

The radar

The Northern Indiana radar (KIWX), 143 km from the middle of the area, began a volume at 18:23 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
Aug 9, 2:22 PM EDTTSTM WND DMGOttawa, OH60 MPH WIND MEASURED. SEVERAL TREE LIMBS DOWN.
Aug 9, 2:34 PM EDTFUNNEL CLOUDColumbus Grove, OHVISIBLE FUNNEL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 174 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, Cncnati-Daytn, OH at 12:00Z on 2007-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1945 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2007-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.193958Sfc1 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
1945 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1082 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIWX 091822
TORIWX
OHC137-091900-
/O.NEW.KIWX.TO.W.0023.070809T1821Z-070809T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
221 PM EDT THU AUG 9 2007

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN PUTNAM COUNTY IN WEST CENTRAL OHIO

* UNTIL 300 PM EDT

* AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS SEVERE STORM WAS
  LOCATED NEAR COLUMBUS GROVE...OR ABOUT 7 MILES SOUTH OF OTTAWA...
  AND MOVING EAST AT 10 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE...
  GLANDORF...
  OTTAWA...
  PANDORA...
  GILBOA AND LEIPSIC...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4098 8422 4086 8417 4091 8387 4116 8388

$$
2 follow-up statements
000 
WWUS53 KIWX 091837
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
235 PM EDT THU AUG 9 2007

OHC137-091900-
/O.CON.KIWX.TO.W.0023.000000T0000Z-070809T1900Z/
PUTNAM OH-
235 PM EDT THU AUG 9 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR EASTERN
PUTNAM COUNTY...

AT 230 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NEAR COLUMBUS GROVE. NATIONAL WEATHER SERVICE RADAR INDICATED THE 
STRONGEST ROTATION WITH THIS SEVERE STORM WAS LOCATED NEAR 
PANDORA...OR ABOUT 5 MILES NORTHWEST OF BLUFFTON...AND MOVING EAST 
AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEIPSIC
AND GILBOA.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4098 8422 4086 8417 4091 8387 4116 8388

$$
000 
WWUS53 KIWX 091855
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
254 PM EDT THU AUG 9 2007

OHC137-091904-
/O.CAN.KIWX.TO.W.0023.000000T0000Z-070809T1900Z/
PUTNAM OH-
254 PM EDT THU AUG 9 2007

...THE TORNADO WARNING FOR EASTERN PUTNAM COUNTY IS CANCELLED...

AT 253 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF 
THE COUNTY AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED. 
THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSIBLY SMALL HAIL WILL 
CONTINUE TO MOVE ACROSS SOUTHERN PUTNAM COUNTY THROUGH 330 PM EDT. 

IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4098 8422 4086 8417 4091 8387 4116 8388

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:03 PM EDTSevere Thunderstorm WarningIWXAllen27 min
Aug 9, 10:34 AM EDTHeat AdvisoryIWXAllen, Paulding, Putnam, Van Wert8 hr
Aug 9, 2:06 PM EDTSevere Thunderstorm WarningIWXPutnam54 min
Aug 9, 2:12 PM EDTSevere Thunderstorm WarningIWXPutnam, Van Wert48 min
Aug 9, 2:30 PM EDTSevere Thunderstorm WarningIWXAllen60 min

Nearby

Tornado Warnings in Ohio, 2007Every tornado warning in 2007Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.