Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 252, NWS Louisville, KY

May 29, 2012Madison County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 29, 2012, 12:15 PM EDT for Madison County, Kentucky. It was in force for 30 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: May 29, 2012, 12:15 PM EDT (16:15 UTC)
Expired: May 29, 2012, 12:45 PM EDT
In force: 30 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Madison County, KY

The radar

The Jackson,KY radar (KJKL), 75 km from the middle of the area, began a volume at 16:17 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, 4.3 hours before the alert went out and 194 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: 1782 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 920 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

215 
WUUS53 KLMK 291615
SVRLMK
KYC151-291645-
/O.NEW.KLMK.SV.W.0252.120529T1615Z-120529T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1215 PM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MADISON COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 1245 PM EDT

* AT 1211 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS AROUND 60 MPH.  THIS STORM WAS LOCATED NEAR
  TERRILL...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  KINGSTON AND REEDS CROSSING...
  SPEEDWELL AND BRASSFIELD...
  PANOLA AND COMBS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT AND HAVE THEM RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LOUISVILLE.

&&

LAT...LON 3773 8409 3767 8409 3763 8412 3764 8432
      3772 8432 3777 8408 3774 8407
TIME...MOT...LOC 1615Z 265DEG 22KT 3767 8427
WIND...HAIL 60MPH 1.00IN

$$

TWF

2 follow-up statements

720 
WWUS53 KLMK 291637
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1237 PM EDT TUE MAY 29 2012

KYC151-291645-
/O.CON.KLMK.SV.W.0252.000000T0000Z-120529T1645Z/
MADISON KY-
1237 PM EDT TUE MAY 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR EASTERN MADISON COUNTY...

AT 1235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR 
PANOLA...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...

  MAINLY RURAL AREAS OF EASTERN MADISON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LOUISVILLE.

&&

LAT...LON 3773 8409 3767 8409 3763 8412 3764 8418
      3773 8417 3777 8408 3774 8407
TIME...MOT...LOC 1637Z 265DEG 22KT 3768 8410
WIND...HAIL 60MPH 1.00IN

$$

TWF

197 
WWUS53 KLMK 291648
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1248 PM EDT TUE MAY 29 2012

KYC151-291655-
/O.EXP.KLMK.SV.W.0252.000000T0000Z-120529T1645Z/
MADISON KY-
1248 PM EDT TUE MAY 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MADISON COUNTY HAS
EXPIRED...

NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE 
IN LOUISVILLE. THE STORM HAS WEAKENED AND IS MOVING OUT OF THE 
COUNTY. 

OTHER SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER MADISON COUNTY 
THROUGH ABOUT 2 PM EDT...BUT THESE STORMS ARE NOT EXPECTED TO BE 
SEVERE AT THIS TIME. NEVERTHELESS...PERIODS OF HEAVY RAIN WILL 
PRODUCE PONDING OF WATER ON MANY ROADS SO USE EXTRA CAUTION IF 
DRIVING.

LAT...LON 3773 8409 3767 8409 3763 8412 3764 8418
      3773 8417 3777 8408 3774 8407
TIME...MOT...LOC 1637Z 265DEG 22KT 3768 8410

$$

TWF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 5:27 AM EDT	Special Weather Statement	LMK	Metcalfe	33 min
May 29, 5:48 AM EDT	Special Weather Statement	LMK	Ohio	42 min
May 29, 6:23 AM EDT	Special Weather Statement	LMK	Grayson	37 min
May 29, 7:08 AM EDT	Special Weather Statement	LMK	Meade	37 min
May 29, 7:11 AM EDT	Special Weather Statement	LMK	Jefferson	34 min
May 29, 7:14 AM EDT	Severe Thunderstorm Warning	LMK	Jefferson	31 min
May 29, 7:31 AM EDT	Special Weather Statement	LMK	Hardin	29 min
May 29, 7:37 AM EDT	Special Weather Statement	LMK	Jefferson, Oldham	53 min
May 29, 8:14 AM EDT	Areal Flood Advisory	LMK	Jefferson	3 hr
May 29, 8:17 AM EDT	Special Weather Statement	LMK	Breckinridge, Meade	28 min
May 29, 8:32 AM EDT	Flash Flood Warning	LMK	Jefferson	3 hr
May 29, 8:36 AM EDT	Special Weather Statement	LMK	Jefferson, Oldham	84 min
May 29, 8:38 AM EDT	Special Weather Statement	LMK	Jefferson, Oldham	82 min
May 29, 9:00 AM EDT	Special Weather Statement	LMK	Oldham	30 min
May 29, 9:17 AM EDT	Special Weather Statement	LMK	Logan	43 min
May 29, 9:20 AM EDT	Flash Flood Warning	LMK	Jefferson, Oldham	3 hr
May 29, 9:58 AM EDT	Areal Flood Advisory	LMK	Breckinridge, Grayson	2 hr
May 29, 10:00 AM EDT	Severe Thunderstorm Warning	LMK	Logan	30 min
May 29, 10:16 AM EDT	Special Weather Statement	LMK	Breckinridge, Bullitt, Grayson, Hardin, Nelson, Spencer and 1 more	44 min
May 29, 10:30 AM EDT	Special Weather Statement	LMK	Meade	30 min
May 29, 11:07 AM EDT	Special Weather Statement	LMK	Jefferson	38 min
May 29, 11:25 AM EDT	Areal Flood Warning	LMK	Jefferson	4 hr
May 29, 11:26 AM EDT	Areal Flood Advisory	LMK	Breckinridge, Ohio	3 hr
May 29, 12:01 PM EDT	Special Weather Statement	LMK	Hardin	59 min
May 29, 12:12 PM EDT	Special Weather Statement	LMK	Madison	48 min
May 29, 12:13 PM EDT	Areal Flood Warning	LMK	Jefferson, Oldham	3 hr
May 29, 1:03 PM EDT	Areal Flood Advisory	LMK	Garrard, Lincoln, Madison	2 hr
May 29, 5:26 PM EDT	Special Weather Statement	LMK	Logan	49 min
May 29, 5:29 PM EDT	Special Weather Statement	LMK	Butler	46 min
May 29, 6:00 PM EDT	Severe Thunderstorm Warning	LMK	Logan	30 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.