Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 30, NWS Wilmington, OH

April 27, 20114 counties in Kentucky

NWS Wilmington, OH issued this tornado warning at Apr 27, 2011, 8:05 AM EDT for 4 counties in Kentucky. It was in force for 25 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: Apr 27, 2011, 8:05 AM EDT (12:05 UTC)
Expired: Apr 27, 2011, 8:30 AM EDT
In force: 25 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Carroll County, KY, Gallatin County, KY, Grant County, KY, Owen County, KY

The radar

The Louisville radar (KLVX), 112 km from the middle of the area, began a volume at 12:08 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 12:00Z, 0.1 hours before the alert went out and 136 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: 279 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 470 m²/s²
0-3 km storm-relative helicity: 503 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

332 
WFUS51 KILN 271205
TORILN
KYC041-077-081-187-271230-
/O.NEW.KILN.TO.W.0030.110427T1205Z-110427T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
805 AM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CARROLL COUNTY IN NORTHERN KENTUCKY...
  SOUTHERN GALLATIN COUNTY IN NORTHERN KENTUCKY...
  GRANT COUNTY IN NORTHERN KENTUCKY...
  OWEN COUNTY IN NORTHERN KENTUCKY...

* UNTIL 830 AM EDT.

* AT 801 AM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES
  SOUTHWEST OF MONTEREY......MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OWENTON...
  WILLIAMSTOWN...
  DRY RIDGE...

IN ADDITION...MONTEREY...GRATZ...BEECHWOOD...SQUIRESVILLE...NATLEE...
NEW COLUMBUS...WHEATLEY AND EAGLE STATION ARE NEAR THE PATH OF THIS
DANGEROUS THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 50 AND 66...
I-75 BETWEEN MILE MARKERS 145 AND 161...

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.

&&

LAT...LON 3837 8490 3842 8489 3842 8495 3844 8497
      3847 8496 3849 8500 3851 8499 3851 8503
      3856 8501 3857 8505 3878 8501 3878 8499
      3879 8492 3876 8465 3864 8450 3856 8448
      3834 8477
TIME...MOT...LOC 1205Z 209DEG 56KT 3836 8495

$$

1 follow-up statement

904 
WWUS51 KILN 271219
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
819 AM EDT WED APR 27 2011

KYC041-077-081-187-271230-
/O.CON.KILN.TO.W.0030.000000T0000Z-110427T1230Z/
OWEN KY-CARROLL KY-GALLATIN KY-GRANT KY-
819 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR GRANT...
GALLATIN...EXTREME EASTERN CARROLL AND NORTHERN OWEN COUNTIES...

AT 818 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
OWENTON...MOVING NORTHEAST AT 65 MPH. IN ADDITION TO THE TORNADO...
THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
WILLIAMSTOWN...WARSAW AND DRY RIDGE.

IN ADDITION...NEW LIBERTY...LONG RIDGE...SANDERS...NEEDMORE...
KEEFER...CARSON...BROMLEY AND HOLBROOK ARE NEAR THE PATH OF THIS
STORM.

THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 53 AND 66...
I-75 BETWEEN MILE MARKERS 148 AND 161...

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.

&&

LAT...LON 3859 8496 3877 8501 3878 8497 3878 8494
      3879 8491 3876 8465 3864 8450 3856 8448
      3844 8480
TIME...MOT...LOC 1220Z 209DEG 56KT 3855 8482

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 12:44 AM EDT	Special Weather Statement	ILN	Carroll	46 min
Apr 27, 1:29 AM EDT	Special Weather Statement	ILN	Boone	46 min
Apr 27, 3:17 AM EDT	Areal Flood Advisory	ILN	Carroll, Gallatin, Owen	3 hr
Apr 27, 4:04 AM EDT	Areal Flood Advisory	ILN	Boone, Campbell, Kenton	3 hr
Apr 27, 6:24 AM EDT	Severe Thunderstorm Warning	ILN	Carroll, Gallatin, Owen	36 min
Apr 27, 6:32 AM EDT	Tornado Warning	ILN	Carroll, Gallatin	28 min
Apr 27, 6:52 AM EDT	Areal Flood Advisory	ILN	Boone, Carroll, Gallatin, Owen	3 hr
Apr 27, 8:17 AM EDT	Special Weather Statement	ILN	Boone, Campbell, Kenton, Pendleton	43 min
Apr 27, 8:23 AM EDT	Areal Flood Advisory	ILN	Boone, Campbell, Gallatin, Grant, Kenton, Owen and 1 more	3 hr
Apr 27, 8:30 AM EDT	Tornado Warning	ILN	Boone, Campbell, Grant, Kenton, Pendleton	30 min
Apr 27, 9:00 AM EDT	Severe Thunderstorm Warning	ILN	Bracken, Campbell, Kenton, Pendleton, Robertson	45 min
Apr 27, 9:24 AM EDT	Severe Thunderstorm Warning	ILN	Bracken, Lewis, Mason, Robertson	51 min
Apr 27, 10:11 AM EDT	Areal Flood Advisory	ILN	Bracken, Mason, Robertson	3 hr
Apr 27, 10:28 AM EDT	Special Weather Statement	ILN	Lewis	62 min
Apr 27, 7:15 PM EDT	Special Weather Statement	ILN	Lewis	60 min
Apr 27, 7:38 PM EDT	Areal Flood Advisory	ILN	Lewis, Mason	6 hr
Apr 27, 7:53 PM EDT	Special Weather Statement	ILN	Bracken, Mason, Robertson	52 min

Nearby

Tornado Warnings in Kentucky, 2011 Every tornado warning in 2011 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.