Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 261, NWS Wilmington, OH

June 21, 2011Fairfield County, Hocking County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 21, 2011, 6:55 PM EDT for Fairfield County, Hocking County, Ohio. It was in force for 36 min. 1 report 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: Jun 21, 2011, 6:55 PM EDT (22:55 UTC)
Expired: Jun 21, 2011, 7:31 PM EDT
In force: 36 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Fairfield County, OH, Hocking County, OH

The radar

The Cincinnati radar (KILN), 128 km from the middle of the area, began a volume at 22:57 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

Time	Report	Where	Remark
Jun 21, 7:07 PM EDT	TSTM WND DMG	Logan, OH	TREES DOWN IN LOGAN AND NORTH AND SOUTH OF LOGAN.

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, 10.9 hours before the alert went out and 126 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: 2237 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 911 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -49 m²/s²
0-3 km storm-relative helicity: 2 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.

293 
WUUS51 KILN 212255
SVRILN
OHC045-073-212345-
/O.NEW.KILN.SV.W.0261.110621T2255Z-110621T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
655 PM EDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN FAIRFIELD COUNTY IN CENTRAL OHIO...
  HOCKING COUNTY IN CENTRAL OHIO...

* UNTIL 745 PM EDT.

* AT 652 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THIS STORM WAS
  LOCATED NEAR HOCKING HILLS STATE PARK...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROCKBRIDGE...
  LOGAN...
  CARBON HILL...

IN ADDITION...UNION FURNACE...LAKE LOGAN STATE PARK...HAYDENVILLE...
ENTERPRISE...HIDEAWAY HILLS AND OREVILLE ARE NEAR THE PATH OF THIS
SEVERE THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

&&

LAT...LON 3946 8221 3947 8227 3938 8229 3939 8250
      3937 8252 3941 8263 3972 8248 3968 8236
      3960 8237 3960 8226 3956 8225 3956 8215
      3953 8216
TIME...MOT...LOC 2255Z 209DEG 16KT 3944 8245

$$

2 follow-up statements

701 
WWUS51 KILN 212319
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
719 PM EDT TUE JUN 21 2011

OHC045-073-212345-
/O.CON.KILN.SV.W.0261.000000T0000Z-110621T2345Z/
FAIRFIELD OH-HOCKING OH-
719 PM EDT TUE JUN 21 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHEASTERN HOCKING AND EASTERN FAIRFIELD COUNTIES...

AT 718 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THIS
STORM WAS LOCATED NEAR LOGAN...MOVING NORTHEAST AT 20 MPH.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN FAIRFIELD AND
NORTHEASTERN HOCKING COUNTIES...INCLUDING HIDEAWAY HILLS AND
OREVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3946 8221 3947 8227 3943 8229 3954 8256
      3972 8248 3968 8236 3960 8237 3960 8226
      3956 8225 3956 8215 3953 8216
TIME...MOT...LOC 2319Z 209DEG 16KT 3954 8234

$$

273 
WWUS51 KILN 212331
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
731 PM EDT TUE JUN 21 2011

OHC045-073-212342-
/O.CAN.KILN.SV.W.0261.000000T0000Z-110621T2345Z/
FAIRFIELD OH-HOCKING OH-
731 PM EDT TUE JUN 21 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HOCKING AND
EASTERN FAIRFIELD COUNTIES HAS BEEN CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS STORM.

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

LAT...LON 3946 8221 3947 8227 3943 8229 3954 8256
      3972 8248 3968 8236 3960 8237 3960 8226
      3956 8225 3956 8215 3953 8216
TIME...MOT...LOC 2332Z 209DEG 16KT 3959 8230

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 2:59 PM EDT	Special Weather Statement	ILN	Hamilton	31 min
Jun 21, 3:46 PM EDT	Special Weather Statement	ILN	Clermont	59 min
Jun 21, 3:51 PM EDT	Areal Flood Advisory	ILN	Hamilton	3 hr
Jun 21, 4:06 PM EDT	Special Weather Statement	ILN	Brown	54 min
Jun 21, 4:14 PM EDT	Flash Flood Warning	ILN	Clermont, Hamilton	3 hr
Jun 21, 4:16 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	44 min
Jun 21, 4:53 PM EDT	Flash Flood Watch	ILN	Adams, Brown, Clermont, Hamilton, Scioto	6 hr
Jun 21, 4:55 PM EDT	Special Weather Statement	ILN	Clark	65 min
Jun 21, 4:58 PM EDT	Flash Flood Warning	ILN	Brown, Clermont	3 hr
Jun 21, 5:13 PM EDT	Severe Thunderstorm Warning	ILN	Brown	34 min
Jun 21, 5:16 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Scioto	44 min
Jun 21, 5:23 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Scioto	52 min
Jun 21, 5:28 PM EDT	Special Weather Statement	ILN	Auglaize	62 min
Jun 21, 5:34 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize	41 min
Jun 21, 5:36 PM EDT	Special Weather Statement	ILN	Highland	54 min
Jun 21, 5:48 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross, Scioto	42 min
Jun 21, 5:55 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize	20 min
Jun 21, 6:09 PM EDT	Special Weather Statement	ILN	Madison	66 min
Jun 21, 6:16 PM EDT	Special Weather Statement	ILN	Mercer	59 min
Jun 21, 6:19 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Madison, Union	41 min
Jun 21, 6:24 PM EDT	Special Weather Statement	ILN	Delaware	66 min
Jun 21, 6:26 PM EDT	Severe Thunderstorm Warning	ILN	Hocking, Pickaway, Ross	49 min
Jun 21, 6:53 PM EDT	Special Weather Statement	ILN	Franklin	67 min
Jun 21, 6:56 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Hocking, Pickaway, Ross	49 min
Jun 21, 7:01 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Fairfield, Franklin, Licking	44 min
Jun 21, 7:13 PM EDT	Areal Flood Warning	ILN	Clermont, Hamilton	3 hr
Jun 21, 7:45 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Licking	45 min
Jun 21, 7:53 PM EDT	Areal Flood Warning	ILN	Clermont	2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

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.