Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 24, NWS Northern Indiana

July 10, 2017Allen County, Van Wert County, Ohio

NWS Northern Indiana issued this tornado warning at Jul 10, 2017, 9:27 PM EDT for Allen County, Van Wert County, Ohio. It was in force for 33 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
Jul 10, 2017, 9:27 PM EDT (01:27 UTC)
Expired
Jul 10, 2017, 10:00 PM EDT
In force
33 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Allen County, OH, Van Wert County, OH

The radar

The Northern Indiana radar (KIWX), 125 km from the middle of the area, began a volume at 01:30 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.5 hours before the alert went out and 156 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 00:00Z on 2017-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 299 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2017-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
299 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1494 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

464 
WFUS53 KIWX 110127
TORIWX
OHC003-161-110200-
/O.NEW.KIWX.TO.W.0024.170711T0127Z-170711T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
927 PM EDT MON JUL 10 2017

The National Weather Service in Northern Indiana  has issued a

* Tornado Warning for...
  Southeastern Van Wert County in west central Ohio...
  Southwestern Allen County in west central Ohio...

* Until 1000 PM EDT
    
* At 926 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Ohio City, or near Van Wert, moving southeast at
  30 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Spencerville around 950 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Southworth, Conant, Needmore, Jonestown, Venedocia, Monticello and
Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4068 8446 4073 8446 4073 8462 4074 8464
      4082 8459 4079 8425 4069 8425
TIME...MOT...LOC 0126Z 292DEG 25KT 4077 8456 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SLL
2 follow-up statements
309 
WWUS53 KIWX 110147
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
947 PM EDT MON JUL 10 2017

OHC003-161-110200-
/O.CON.KIWX.TO.W.0024.000000T0000Z-170711T0200Z/
Van Wert OH-Allen OH-
947 PM EDT MON JUL 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
SOUTHEASTERN VAN WERT AND SOUTHWESTERN ALLEN COUNTIES...
    
At 946 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Spencerville, or 7 miles southwest of Delphos,
moving southeast at 35 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Spencerville around 955 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Southworth, Conant, Needmore, Jonestown, Venedocia, Monticello and
Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4068 8446 4073 8446 4073 8453 4074 8454
      4081 8453 4079 8425 4069 8425
TIME...MOT...LOC 0146Z 292DEG 32KT 4077 8445 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SLL
235 
WWUS53 KIWX 110204
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1004 PM EDT MON JUL 10 2017

OHC003-161-110212-
/O.EXP.KIWX.TO.W.0024.000000T0000Z-170711T0200Z/
Van Wert OH-Allen OH-
1004 PM EDT MON JUL 10 2017

...THE TORNADO WARNING FOR SOUTHEASTERN VAN WERT AND SOUTHWESTERN
ALLEN COUNTIES HAS EXPIRED...
                
The rotation associated with the storm that prompted the warning has 
weakened therefore the warning has been allowed to expire.  However 
gusty winds are still possible with this thunderstorm as it moves 
southeast.

LAT...LON 4068 8446 4073 8446 4073 8453 4074 8454
      4081 8453 4079 8425 4069 8425
TIME...MOT...LOC 0202Z 292DEG 25KT 4073 8432 

$$

SLL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 9:20 PM EDTSpecial Weather StatementIWXVan Wert40 min
Jul 10, 9:33 PM EDTRiver Flood WarningIWXAllen, Paulding, Putnam3 days
Jul 10, 9:33 PM EDTRiver Flood WarningIWXPutnam28 hr
Jul 10, 9:33 PM EDTRiver Flood WarningIWXPutnam3 days
Jul 10, 9:33 PM EDTRiver Flood WarningIWXVan Wert56 hr
Jul 10, 9:33 PM EDTRiver Flood WarningIWXDefiance, Fulton, Williams7 days
Jul 10, 10:01 PM EDTAreal Flood WarningIWXVan Wert3 hr
Jul 10, 10:28 PM EDTAreal Flood WarningIWXAllen6 hr
Jul 10, 10:28 PM EDTSpecial Weather StatementIWXAllen32 min
Jul 11, 12:44 AM EDTAreal Flood WarningIWXAllen, Paulding, Putnam, Van Wert6 hr
Jul 11, 12:51 AM EDTAreal Flood WarningIWXVan Wert6 hr
Jul 11, 4:36 AM EDTAreal Flood WarningIWXAllen6 hr
Jul 11, 5:16 AM EDTRiver Flood WatchIWXDefiance, Henry57 hr
Jul 11, 6:33 AM EDTAreal Flood WarningIWXVan Wert3 hr
Jul 11, 10:18 AM EDTRiver Flood WarningIWXDefiance52 hr
Jul 11, 10:18 AM EDTRiver Flood WarningIWXDefiance, Henry3 days
Jul 11, 1:18 PM EDTAreal Flood WarningIWXAllen, Paulding, Putnam, Van Wert9 hr

Nearby

Tornado Warnings in Ohio, 2017Every tornado warning in 2017Tornadoes in 2017

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.