Alert archive / Kentucky / Tornado Warnings in 2010

Tornado Warning 13, NWS Jackson, KY

July 20, 2010Fleming County, Rowan County, Kentucky

NWS Jackson, KY issued this tornado warning at Jul 20, 2010, 8:20 PM EDT for Fleming County, Rowan County, Kentucky. It was in force for 17 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
Jul 20, 2010, 8:20 PM EDT (00:20 UTC)
Expired
Jul 20, 2010, 8:37 PM EDT
In force
17 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon

Counties Fleming County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 80 km from the middle of the area, began a volume at 00:21 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
Jul 20, 8:28 PM EDTHAIL 0.55 N Cranston, KYHAIL REPORTED ALONG KY377 BETWEEN CRANSTON AND LEWIS COUNTY LINE. ALSO REPORTS HEAVY RAIN, BEGINNING TO COVER THE ROAD.

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, 0.3 hours before the alert went out and 130 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 2010-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 717 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 00:00Z on 2010-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.193958Sfc1 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
717 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

777 
WFUS53 KJKL 210020
TORJKL
KYC069-205-210100-
/O.NEW.KJKL.TO.W.0013.100721T0020Z-100721T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
820 PM EDT TUE JUL 20 2010

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL FLEMING COUNTY IN EAST CENTRAL KENTUCKY...
  NORTHERN ROWAN COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 900 PM EDT

* AT 817 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WALTZ...OR 8 MILES NORTH OF MOREHEAD...AND
  MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WALTZ...HAYS CROSSING...CRANSTON...TRIPLETT...GATES AND HALDEMAN.

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.

TO REPORT TORNADOS...LARGE HAIL OR FLOODING TO THE NATIONAL WEATHER
SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3837 8337 3834 8336 3834 8334 3832 8333
      3830 8333 3825 8330 3823 8330 3819 8326
      3827 8358 3839 8351
TIME...MOT...LOC 0020Z 286DEG 22KT 3829 8346

$$

PELTON
2 follow-up statements
657 
WWUS53 KJKL 210031
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
831 PM EDT TUE JUL 20 2010

KYC069-210040-
/O.CAN.KJKL.TO.W.0013.000000T0000Z-100721T0100Z/
FLEMING KY-
831 PM EDT TUE JUL 20 2010

...THE TORNADO WARNING FOR EAST CENTRAL FLEMING COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF FLEMING 
COUNTY. 

LAT...LON 3838 8343 3837 8337 3834 8336 3834 8334
      3832 8333 3830 8333 3825 8330 3823 8330
      3819 8326 3825 8351
TIME...MOT...LOC 0030Z 286DEG 22KT 3827 8339

$$

KYC205-210100-
/O.CON.KJKL.TO.W.0013.000000T0000Z-100721T0100Z/
ROWAN KY-
831 PM EDT TUE JUL 20 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ROWAN COUNTY
UNTIL 900 PM EDT...

AT 830 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR TRIPLETT...OR 6 MILES NORTHEAST OF MOREHEAD...
MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  GATES AND HALDEMAN.

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.

&&

LAT...LON 3838 8343 3837 8337 3834 8336 3834 8334
      3832 8333 3830 8333 3825 8330 3823 8330
      3819 8326 3825 8351
TIME...MOT...LOC 0030Z 286DEG 22KT 3827 8339

$$

PELTON
828 
WWUS53 KJKL 210037
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
837 PM EDT TUE JUL 20 2010

KYC205-210047-
/O.CAN.KJKL.TO.W.0013.000000T0000Z-100721T0100Z/
ROWAN KY-
837 PM EDT TUE JUL 20 2010

...THE TORNADO WARNING FOR NORTHERN ROWAN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3838 8343 3837 8337 3834 8336 3834 8334
      3832 8333 3830 8333 3825 8330 3823 8330
      3819 8326 3825 8351
TIME...MOT...LOC 0037Z 286DEG 22KT 3826 8334

$$

PELTON

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 8:42 PM EDTAreal Flood AdvisoryJKLElliott, Rowan3 hr
Jul 20, 11:49 PM EDTAreal Flood AdvisoryJKLFleming, Rowan6 hr
Jul 21, 1:01 AM EDTFlash Flood WarningJKLFleming, Rowan6 hr
Jul 21, 2:43 AM EDTAreal Flood AdvisoryJKLElliott3 hr
Jul 21, 3:26 AM EDTFlash Flood WarningJKLElliott3 hr
Jul 21, 3:33 AM EDTFlash Flood WatchJKLBell, Clay, Elliott, Fleming, Harlan, Knox and 8 more16 hr
Jul 21, 4:42 AM EDTFlash Flood WarningJKLElliott, Morgan, Rowan2 hr
Jul 21, 5:39 AM EDTSevere Thunderstorm WarningJKLBath, Menifee, Montgomery, Powell, Wolfe35 min
Jul 21, 6:39 AM EDTAreal Flood WarningJKLElliott, Fleming, Rowan6 hr
Jul 21, 10:00 AM EDTAreal Flood AdvisoryJKLPulaski3 hr
Jul 21, 11:10 AM EDTAreal Flood AdvisoryJKLPulaski, Rockcastle80 min
Jul 21, 6:58 PM EDTFlash Flood WarningJKLElliott, Morgan, Rowan3 hr

Nearby

Tornado Warnings in Kentucky, 2010Every tornado warning in 2010Tornadoes in 2010

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.