Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 39, NWS Wilmington, OH

March 18, 2012Fairfield County, Franklin County, Pickaway County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Mar 18, 2012, 8:50 PM EDT for Fairfield County, Franklin County, Pickaway County, Ohio. It was in force for 40 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: Mar 18, 2012, 8:50 PM EDT (00:50 UTC)
Expired: Mar 18, 2012, 9:30 PM EDT
In force: 40 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Fairfield County, OH, Franklin County, OH, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 107 km from the middle of the area, began a volume at 00:52 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
Mar 18, 8:52 PM EDT	HAIL 1	2 Sw Lithopolis, OH	PENNY TO QUARTER SIZED HAIL OBSERVED.
Mar 18, 8:56 PM EDT	HAIL 0.5	2 Ene Slate Run Metro P, OH	NEAR LITHOPOLIS.

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 00:00Z, 0.8 hours before the alert went out and 105 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: 967 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1440 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

701 
WUUS51 KILN 190050
SVRILN
OHC045-049-129-190130-
/O.NEW.KILN.SV.W.0039.120319T0050Z-120319T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
850 PM EDT SUN MAR 18 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAIRFIELD COUNTY IN CENTRAL OHIO...
  SOUTHEASTERN FRANKLIN COUNTY IN CENTRAL OHIO...
  NORTHERN PICKAWAY COUNTY IN CENTRAL OHIO...

* UNTIL 930 PM EDT.

* AT 848 PM EDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CARROLL TO
  ASHVILLE...MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PLEASANTVILLE...
  LANCASTER...
  BREMEN...
  SUGAR GROVE...

IN ADDITION...AW MARION STATE PARK...RINGGOLD...STATE ROUTE 674 AT
STATE ROUTE 188...FAIRFIELD COUNTY AIRPORT...ROYALTON...
STOUTSVILLE...AMANDA AND US ROUTE 22 AT STATE ROUTE 159 ARE NEAR THE
PATH OF THESE SEVERE THUNDERSTORMS.

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 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8262 3959 8284 3969 8304 3976 8309
      3981 8305 3986 8265 3978 8239 3975 8240
      3974 8236
TIME...MOT...LOC 0050Z 280DEG 27KT 3979 8271 3973 8294

$$

HATZOS

3 follow-up statements

060 
WWUS51 KILN 190104
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
904 PM EDT SUN MAR 18 2012

OHC049-190114-
/O.CAN.KILN.SV.W.0039.000000T0000Z-120319T0130Z/
FRANKLIN OH-
904 PM EDT SUN MAR 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRANKLIN COUNTY
IN CENTRAL OHIO HAS BEEN CANCELLED...

THE STORMS HAVE MOVED SOUTHEAST INTO PICKAWAY AND FAIRFIELD COUNTIES.

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

LAT...LON 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8262 3959 8284 3967 8295 3974 8299
      3980 8295 3979 8283 3980 8283 3984 8258
      3978 8239 3975 8240 3974 8236
TIME...MOT...LOC 0104Z 280DEG 27KT 3977 8251 3971 8284

$$

OHC045-129-190130-
/O.CON.KILN.SV.W.0039.000000T0000Z-120319T0130Z/
FAIRFIELD OH-PICKAWAY OH-
904 PM EDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EASTERN PICKAWAY AND FAIRFIELD COUNTIES...

AT 902 PM EDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WINDS TO 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 
PLEASANTVILLE TO ASHVILLE...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
LANCASTER...SUGAR GROVE AND BREMEN.

IN ADDITION...STOUTSVILLE...WEST RUSHVILLE...RUSHVILLE...AMANDA...US
ROUTE 22 AT STATE ROUTE 159...CLEARPORT AND NORTH BERNE ARE NEAR THE
PATH OF THESE STORMS.

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 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8262 3959 8284 3967 8295 3974 8299
      3980 8295 3979 8283 3980 8283 3984 8258
      3978 8239 3975 8240 3974 8236
TIME...MOT...LOC 0104Z 280DEG 27KT 3977 8251 3971 8284

$$

HATZOS

230 
WWUS51 KILN 190119
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
919 PM EDT SUN MAR 18 2012

OHC129-190130-
/O.CAN.KILN.SV.W.0039.000000T0000Z-120319T0130Z/
PICKAWAY OH-
919 PM EDT SUN MAR 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PICKAWAY COUNTY HAS
BEEN CANCELLED...

THE STORMS HAVE MOVED INTO FAIRFIELD COUNTY.

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

LAT...LON 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8263 3961 8277 3965 8282 3971 8282
      3976 8281 3980 8252 3978 8240 3975 8240
      3974 8236
TIME...MOT...LOC 0120Z 291DEG 29KT 3970 8235 3964 8268

$$

OHC045-190130-
/O.CON.KILN.SV.W.0039.000000T0000Z-120319T0130Z/
FAIRFIELD OH-
919 PM EDT SUN MAR 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR SOUTHERN FAIRFIELD COUNTY...

AT 916 PM EDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING WINDS TO 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM BREMEN TO AMANDA...MOVING EAST AT
35 MPH.

LOCATIONS IMPACTED INCLUDE...
SUGAR GROVE.

IN ADDITION...CLEARPORT IS NEAR THE PATH OF THESE STORMS.

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 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8263 3961 8277 3965 8282 3971 8282
      3976 8281 3980 8252 3978 8240 3975 8240
      3974 8236
TIME...MOT...LOC 0120Z 291DEG 29KT 3970 8235 3964 8268

$$

HATZOS

126 
WWUS51 KILN 190127
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
927 PM EDT SUN MAR 18 2012

OHC045-190137-
/O.EXP.KILN.SV.W.0039.000000T0000Z-120319T0130Z/
FAIRFIELD OH-
927 PM EDT SUN MAR 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN FAIRFIELD COUNTY WILL
EXPIRE AT 930 PM EDT...

THE THUNDERSTORMS HAVE WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

GUSTY WINDS ARE STILL POSSIBLE WITH THESE STORMS.

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

LAT...LON 3966 8237 3966 8249 3960 8250 3961 8261
      3957 8263 3961 8277 3965 8282 3971 8282
      3976 8281 3980 8252 3978 8240 3975 8240
      3974 8236
TIME...MOT...LOC 0127Z 291DEG 29KT 3968 8228 3962 8261

$$

HATZOS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 8:13 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Licking	47 min
Mar 18, 8:33 PM EDT	Areal Flood Advisory	ILN	Fairfield, Franklin	114 min
Mar 18, 8:39 PM EDT	Special Weather Statement	ILN	Hocking	36 min
Mar 18, 8:42 PM EDT	Special Weather Statement	ILN	Pickaway	33 min
Mar 18, 9:28 PM EDT	Special Weather Statement	ILN	Hocking	47 min
Mar 18, 10:09 PM EDT	Special Weather Statement	ILN	Montgomery	36 min
Mar 18, 11:06 PM EDT	Special Weather Statement	ILN	Greene	54 min
Mar 19, 12:26 AM EDT	Special Weather Statement	ILN	Clinton, Warren	64 min
Mar 19, 1:55 PM EDT	Special Weather Statement	ILN	Union	35 min
Mar 19, 3:18 PM EDT	Areal Flood Advisory	ILN	Hocking	2 hr
Mar 19, 3:59 PM EDT	Flash Flood Warning	ILN	Hocking	116 min
Mar 19, 4:14 PM EDT	Special Weather Statement	ILN	Hocking	61 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every severe thunderstorm warning in 2012

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.