Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 35, NWS Wilmington, OH

May 10, 2011Lewis County, Kentucky

NWS Wilmington, OH issued this tornado warning at May 10, 2011, 7:16 PM EDT for Lewis County, Kentucky. It was in force for 29 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
May 10, 2011, 7:16 PM EDT (23:16 UTC)
Expired
May 10, 2011, 7:45 PM EDT
In force
29 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

County Lewis County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 23:18 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
May 10, 7:27 PM EDTHAIL 0.88Epworth, KY

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 10, 1:10 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.3 hours before the alert went out and 119 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 2011-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2011-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 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
9 J/kg
Mixed-layer CIN
-487 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

495 
WFUS51 KILN 102316
TORILN
KYC135-102345-
/O.NEW.KILN.TO.W.0035.110510T2316Z-110510T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
716 PM EDT TUE MAY 10 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN LEWIS COUNTY IN NORTHEAST KENTUCKY...

* UNTIL 745 PM EDT.

* AT 713 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
  EPWORTH......MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HEAD OF GRASSY...

IN ADDITION...PETERSVILLE AND HARRIS ARE NEAR THE PATH OF THIS
DANGEROUS THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY
AND SOUTHWESTERN OHIO.

&&

LAT...LON 3839 8341 3837 8345 3840 8348 3843 8358
      3848 8359 3852 8364 3861 8359 3838 8323
      3835 8323 3834 8322 3832 8326 3833 8332
      3832 8335
TIME...MOT...LOC 2316Z 322DEG 27KT 3852 8358

$$

HATZOS
2 follow-up statements
857 
WWUS51 KILN 102330
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
730 PM EDT TUE MAY 10 2011

KYC135-102345-
/O.CON.KILN.TO.W.0035.000000T0000Z-110510T2345Z/
LEWIS KY-
730 PM EDT TUE MAY 10 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHWESTERN LEWIS COUNTY...

AT 728 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
PETERSVILLE...MOVING SOUTHEAST AT 30 MPH. IN ADDITION TO THE 
TORNADO...THIS STORM IS CAPABLE OF PRODUCING HAIL TO ONE INCH IN 
DIAMETER.

LOCATIONS IMPACTED INCLUDE...
HEAD OF GRASSY.

IN ADDITION...PETERSVILLE AND HARRIS ARE NEAR THE PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF
FROM FLYING DEBRIS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM.

&&

LAT...LON 3839 8341 3837 8345 3840 8348 3843 8358
      3848 8359 3852 8363 3856 8360 3857 8354
      3838 8323 3835 8323 3834 8322 3832 8326
      3833 8332 3832 8335
TIME...MOT...LOC 2330Z 322DEG 27KT 3846 8350

$$

HATZOS
879 
WWUS51 KILN 102343
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
743 PM EDT TUE MAY 10 2011

KYC135-102353-
/O.EXP.KILN.TO.W.0035.000000T0000Z-110510T2345Z/
LEWIS KY-
743 PM EDT TUE MAY 10 2011

...THE TORNADO WARNING FOR SOUTHWESTERN LEWIS COUNTY WILL EXPIRE AT
745 PM EDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER 
APPEARS CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE WEATHER. 
THEREFORE...THE WARNING WILL EXPIRE AT 745 PM.

THIS STORM REMAINS CAPABLE OF PRODUCING HAIL TO ONE HALF INCH IN 
DIAMETER ACROSS PARTS OF SOUTHERN LEWIS COUNTY.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM.

LAT...LON 3839 8341 3837 8345 3840 8348 3843 8358
      3848 8359 3852 8363 3856 8360 3857 8354
      3838 8323 3835 8323 3834 8322 3832 8326
      3833 8332 3832 8335
TIME...MOT...LOC 2343Z 322DEG 27KT 3838 8342

$$

HATZOS

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 2:44 PM EDTSevere Thunderstorm WarningILNMason, Robertson46 min
May 10, 3:11 PM EDTSevere Thunderstorm WarningILNBracken, Pendleton49 min
May 10, 3:30 PM EDTAreal Flood AdvisoryILNBracken, Pendleton, Robertson3 hr
May 10, 3:33 PM EDTSevere Thunderstorm WarningILNBracken, Mason, Pendleton, Robertson57 min
May 10, 3:51 PM EDTFlash Flood WarningILNBracken, Pendleton, Robertson3 hr
May 10, 4:28 PM EDTSpecial Weather StatementILNLewis62 min
May 10, 6:45 PM EDTSevere Thunderstorm WarningILNLewis, Mason45 min
May 10, 7:43 PM EDTSpecial Weather StatementILNLewis32 min

Nearby

Tornado Warnings in Kentucky, 2011Every tornado warning in 2011Tornadoes 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.