Alert archive / Ohio / Special Weather Statements in 2013

Special Weather Statement, NWS Northern Indiana

September 10, 2013Allen County, Ohio

NWS Northern Indiana issued this special weather statement at Sep 10, 2013, 8:12 PM EDT for Allen County, Ohio. It was in force for 63 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
Sep 10, 2013, 8:12 PM EDT (00:12 UTC)
Expired
Sep 10, 2013, 9:15 PM EDT
In force
63 min
Issued by
NWS Northern Indiana

County Allen County, OH

The radar

The Cincinnati radar (KILN), 146 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 145 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 2013-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3241 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2013-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 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
3241 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-3 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.

970 
WWUS83 KIWX 110012
SPSIWX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
812 PM EDT TUE SEP 10 2013

OHZ025-110115-
ALLEN OH-
812 PM EDT TUE SEP 10 2013

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHEASTERN ALLEN COUNTY...

AT 810 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ANOTHER STRONG THUNDERSTORM NEAR FORT SHAWNEE AND 
WESTMINSTER...MOVING NORTHEAST AT 20 MPH.

WINDS UP TO 55 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING AND  
HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM. SEEK SHELTER INSIDE 
UNTIL THIS STORM HAS PASSED. AVOID CULVERTS AND DITCHES AS RUNOFF 
FROM THE HEAVY RAIN MAY LEAD TO LOCALLY HIGH WATER. 

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
  BLUFFTON...
  WESTMINSTER...
  HARROD...
  LAFAYETTE...

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE 
OBJECTS TO BLOW AROUND. A FEW WEAK OR ROTTEN TREES MAY FALL WITH 
THESE THUNDERSTORM WINDS. STAY AWAY FROM HIGH OBJECTS OUTDOORS. 

SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

LAT...LON 4064 8388 4064 8403 4066 8419 4090 8388
      4087 8387
TIME...MOT...LOC 0010Z 218DEG 12KT 4066 8399

$$

SLL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 3:18 PM EDTBeach Hazards StatementIWX63 hr
Sep 11, 3:19 PM EDTSmall Craft AdvisoryIWX63 hr
Sep 11, 6:47 PM EDTSevere Thunderstorm WarningIWXDeKalb, Steuben28 min
Sep 11, 7:11 PM EDTSevere Thunderstorm WarningIWXFulton, Williams49 min
Sep 11, 7:44 PM EDTSpecial Weather StatementIWXDefiance, Fulton, Henry46 min
Sep 11, 4:42 PM EDTSpecial Weather StatementIWXSaint Joseph33 min
Sep 11, 5:16 PM EDTSpecial Weather StatementIWXBranch, Hillsdale44 min
Sep 11, 5:45 PM EDTSevere Thunderstorm WarningIWXBranch45 min
Sep 11, 6:29 PM EDTSpecial Weather StatementIWXHillsdale31 min

Nearby

Special Weather Statements in Ohio, 2013Every special weather statement in 2013

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.