Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 84, NWS Paducah, KY

April 19, 20119 counties in Kentucky; Massac County, Pope County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Apr 19, 2011, 10:46 PM CDT for 9 counties in Kentucky; Massac County, Pope County, Illinois. It was in force for 59 min. 3 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: Apr 19, 2011, 10:46 PM CDT (03:46 UTC)
Expired: Apr 19, 2011, 11:45 PM CDT
In force: 59 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Massac County, IL, Pope County, IL, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Marshall County, KY, McCracken County, KY

The radar

The Paducah radar (KPAH), 39 km from the middle of the area, began a volume at 03:48 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
Apr 19, 10:47 PM CDT	HAIL 0.75	Arlington, KY
Apr 19, 11:11 PM CDT	TSTM WND GST 70	Mayfield, KY	LATE REPORT. WINDS ESTIMATED 60 TO 70 MPH.
Apr 19, 11:32 PM CDT	TSTM WND GST 60	Wingo, KY	DIME SIZE HAIL REPORTED WITH STORM.

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.

Issued	Product	Office	Lasted
Apr 19, 6:46 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.8 hours before the alert went out and 210 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: 1997 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1626 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

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

495 
WUUS53 KPAH 200346
SVRPAH
ILC127-151-KYC007-035-039-075-083-105-139-145-157-200445-
/O.NEW.KPAH.SV.W.0084.110420T0346Z-110420T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
1046 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MASSAC COUNTY IN SOUTHERN ILLINOIS...
  SOUTHERN POPE COUNTY IN SOUTHERN ILLINOIS...
  SOUTHEASTERN BALLARD COUNTY IN WESTERN KENTUCKY...
  CALLOWAY COUNTY IN WESTERN KENTUCKY...
  CARLISLE COUNTY IN WESTERN KENTUCKY...
  FULTON COUNTY IN WESTERN KENTUCKY...
  GRAVES COUNTY IN WESTERN KENTUCKY...
  HICKMAN COUNTY IN WESTERN KENTUCKY...
  SOUTHWESTERN LIVINGSTON COUNTY IN WESTERN KENTUCKY...
  SOUTHERN MARSHALL COUNTY IN WESTERN KENTUCKY...
  MCCRACKEN COUNTY IN WESTERN KENTUCKY...

* UNTIL 1145 PM CDT.

* AT 1044 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM METROPOLIS TO 6 MILES SOUTH OF HICKMAN..AND MOVING EAST AT 50
  MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  CLINTON...
  WEST PADUCAH...
  LOVELACEVILLE...
  METROPOLIS...
  HICKMAN...
  BARDWELL...
  FULGHAM...
  CAYCE...
  BROOKPORT...
  PADUCAH...
  LONE OAK...
  REIDLAND...
  MAYFIELD...
  LEDBETTER...
  FULTON...
  SEDALIA...
  LYNNVILLE...
  MURRAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A VERY DANGEROUS STORM CAPABLE OF BLOWING DOWN TREES AND
POWER POLES. MOVE INDOORS TO A SUBSTANTIAL SHELTER SUCH AS A BASEMENT
OR INTERIOR ROOM OR HALLWAY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR SOUTHEASTERN ILLINOIS AND SOUTHWEST INDIANA AND WESTERN KENTUCKY
AND SOUTHEAST MISSOURI.

&&

LAT...LON 3650 8931 3657 8927 3657 8925 3659 8920
      3662 8920 3666 8917 3669 8918 3732 8873
      3722 8834 3698 8850 3677 8849 3683 8816
      3650 8806 3649 8832
TIME...MOT...LOC 0346Z 288DEG 70KT 3720 8862 3646 8915
WIND...HAIL 60MPH 0.75IN

$$

1 follow-up statement

774 
WWUS53 KPAH 200403
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1103 PM CDT TUE APR 19 2011

ILC127-151-KYC007-139-200413-
/O.CAN.KPAH.SV.W.0084.000000T0000Z-110420T0445Z/
MASSAC IL-POPE IL-LIVINGSTON KY-BALLARD KY-
1103 PM CDT TUE APR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN POPE AND MASSAC
COUNTIES IN SOUTHERN ILLINOIS...AND SOUTHEASTERN BALLARD AND
SOUTHWESTERN LIVINGSTON COUNTIES IN WESTERN KENTUCKY IS CANCELLED...

LAT...LON 3651 8931 3657 8927 3659 8920 3662 8920
      3666 8917 3668 8917 3691 8901 3702 8851
      3677 8849 3683 8816 3650 8806 3649 8832
TIME...MOT...LOC 0403Z 288DEG 70KT 3709 8823 3645 8883

$$

KYC035-039-075-083-105-145-157-200445-
/O.CON.KPAH.SV.W.0084.000000T0000Z-110420T0445Z/
MCCRACKEN KY-MARSHALL KY-CARLISLE KY-GRAVES KY-HICKMAN KY-CALLOWAY KY-
FULTON KY-
1103 PM CDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR FULTON...CALLOWAY...HICKMAN...GRAVES...CARLISLE...SOUTHERN
MARSHALL AND SOUTHEASTERN MCCRACKEN COUNTIES IN WESTERN KENTUCKY...

AT 1102 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS CAPABLE OF 
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
LOCATED ALONG A LINE EXTENDING FROM 17 MILES NORTHEAST OF REIDLAND TO
4 MILES SOUTH OF FULTON...MOVING EAST AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE BREWERS...LYNNVILLE...KIRKSEY...
HARDIN...HARRIS GROVE...MURRAY AND HAZEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A VERY DANGEROUS STORM CAPABLE OF BLOWING DOWN TREES AND
POWER POLES. MOVE INDOORS TO A SUBSTANTIAL SHELTER SUCH AS A BASEMENT
OR INTERIOR ROOM OR HALLWAY.

&&

LAT...LON 3651 8931 3657 8927 3659 8920 3662 8920
      3666 8917 3668 8917 3691 8901 3702 8851
      3677 8849 3683 8816 3650 8806 3649 8832
TIME...MOT...LOC 0403Z 288DEG 70KT 3709 8823 3645 8883
WIND...HAIL 60MPH 0.00IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:37 PM CDT	Severe Thunderstorm Warning	PAH	Ballard	38 min
Apr 19, 9:01 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Livingston, McCracken, Marshall	44 min
Apr 19, 9:19 PM CDT	Areal Flood Advisory	PAH	Union	3 hr
Apr 19, 9:20 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Daviess, Henderson, Hopkins, McLean and 3 more	55 min
Apr 19, 9:46 PM CDT	Areal Flood Advisory	PAH	Daviess, Henderson, McLean, Webster	3 hr
Apr 19, 9:46 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Crittenden, Livingston, McCracken	59 min
Apr 19, 9:54 PM CDT	Severe Thunderstorm Warning	PAH	Carlisle, Fulton, Graves, Hickman	51 min
Apr 19, 9:54 PM CDT	Tornado Warning	PAH	Ballard	20 min
Apr 19, 9:58 PM CDT	Areal Flood Advisory	PAH	Ballard, Carlisle, Fulton, Hickman, McCracken	3 hr
Apr 19, 10:00 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Hopkins, Livingston, Lyon, Marshall	30 min
Apr 19, 10:09 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Daviess, Henderson, Hopkins, McLean and 3 more	66 min
Apr 19, 10:28 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Crittenden, Graves, Hopkins, Livingston and 6 more	62 min
Apr 19, 11:03 PM CDT	Areal Flood Advisory	PAH	Caldwell, Crittenden, Graves, Hopkins, Livingston, Lyon and 2 more	3 hr
Apr 19, 11:30 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Hopkins, Livingston, Lyon, Marshall and 3 more	30 min
Apr 19, 11:44 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Fulton, Graves, Hickman, Marshall, Trigg	46 min
Apr 20, 12:11 AM CDT	Tornado Warning	PAH	Calloway, Marshall, Trigg	21 min
Apr 20, 12:26 AM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Lyon, Muhlenberg, Todd, Trigg	49 min
Apr 20, 12:42 AM CDT	Tornado Warning	PAH	Christian, Todd	33 min
Apr 19, 7:43 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Union	62 min
Apr 19, 8:14 PM CDT	Tornado Warning	PAH	Jackson, Union	31 min
Apr 19, 8:15 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Johnson, Perry, Union and 1 more	60 min
Apr 19, 8:26 PM CDT	Tornado Warning	PAH	Jackson, Perry	18 min
Apr 19, 8:27 PM CDT	Areal Flood Advisory	PAH	Alexander, Jackson, Perry, Union	3 hr
Apr 19, 8:47 PM CDT	Areal Flood Advisory	PAH	Franklin, Jefferson, Johnson, Pulaski, Williamson	3 hr
Apr 19, 8:50 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 4 more	55 min
Apr 19, 8:53 PM CDT	Tornado Warning	PAH	Jefferson, Perry, Wayne	37 min
Apr 19, 9:13 PM CDT	Tornado Warning	PAH	Hamilton, White	32 min
Apr 19, 9:17 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	58 min
Apr 19, 9:26 PM CDT	Tornado Warning	PAH	Wayne	23 min
Apr 19, 9:29 PM CDT	Tornado Warning	PAH	White	31 min
Apr 19, 9:30 PM CDT	Tornado Warning	PAH	Alexander, Jackson	30 min
Apr 19, 9:35 PM CDT	Tornado Warning	PAH	Edwards, Wabash, Wayne	25 min
Apr 19, 9:39 PM CDT	Tornado Warning	PAH	Alexander	36 min
Apr 19, 10:07 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	53 min
Apr 20, 10:05 AM CDT	River Flood Warning	PAH	Gallatin, Wayne, White	50 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2011 Severe Thunderstorm Warnings in Illinois, 2011 Every severe thunderstorm warning 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.