Alert archive / Kentucky / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Paducah, KY

March 1, 20174 counties in Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Mar 1, 2017, 12:52 AM CST for 4 counties in Kentucky. It was in force for 23 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
Mar 1, 2017, 12:52 AM CST (06:52 UTC)
Expired
Mar 1, 2017, 1:15 AM CST
In force
23 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Daviess County, KY, Hopkins County, KY, McLean County, KY, Muhlenberg County, KY

The radar

The Evansville,IN radar (KVWX), 91 km from the middle of the area, began a volume at 06:54 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 watch it was issued in

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

IssuedProductOfficeLasted
Feb 28, 8:29 PM CSTTornado WatchSPC12 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 6.9 hours before the alert went out and 174 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, Nashville Metro, TN at 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Nashville Metro, TN at 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897117Sfc1 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
66 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

819 
WUUS53 KPAH 010652
SVRPAH
KYC059-107-149-177-010715-
/O.NEW.KPAH.SV.W.0021.170301T0652Z-170301T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
1252 AM CST WED MAR 1 2017

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Eastern Daviess County in northwestern Kentucky...
  Northern Muhlenberg County in south central Kentucky...
  Southeastern McLean County in northwestern Kentucky...
  Northeastern Hopkins County in northwestern Kentucky...

* Until 115 AM CST

* At 1251 AM CST, severe thunderstorms were located along a line
  extending from Knottsville to Masonville to Calhoun to 9 miles
  northeast of Madisonville, moving east at 60 mph.

  HAZARD...70 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Locations impacted include...
  Owensboro, Madisonville, Calhoun, Livermore, Whitesville,
  Masonville, Knottsville, Hanson, Sacramento and Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Paducah.

&&

A tornado watch remains in effect until 400 AM CST for south central
and northwestern Kentucky.

LAT...LON 3766 8685 3762 8692 3763 8695 3762 8698
      3754 8708 3746 8715 3739 8713 3739 8752
      3753 8735 3761 8711 3777 8715 3778 8710
      3788 8694 3783 8694 3782 8692 3783 8689
      3778 8685 3773 8685 3770 8689
TIME...MOT...LOC 0651Z 253DEG 50KT 3779 8693 3765 8701 3754 8726 3743
8739

HAIL...<.75IN
WIND...70MPH
 
$$

Smith
2 follow-up statements
612 
WWUS53 KPAH 010703
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
103 AM CST WED MAR 1 2017

KYC177-010710-
/O.CAN.KPAH.SV.W.0021.000000T0000Z-170301T0715Z/
Muhlenberg KY-
103 AM CST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MUHLENBERG COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 400 AM CST for northwestern
Kentucky.

LAT...LON 3766 8685 3762 8692 3763 8695 3762 8698
      3754 8708 3746 8715 3746 8721 3744 8746
      3753 8735 3761 8711 3773 8714 3774 8710
      3779 8699 3783 8694 3782 8692 3783 8689
      3778 8685 3773 8685 3770 8689
TIME...MOT...LOC 0700Z 270DEG 50KT 3782 8678 3768 8686 3757 8711 3746
8724

$$

KYC059-107-149-010715-
/O.CON.KPAH.SV.W.0021.000000T0000Z-170301T0715Z/
Daviess KY-McLean KY-Hopkins KY-
103 AM CST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CST
FOR SOUTHEASTERN DAVIESS...CENTRAL MCLEAN AND NORTHEASTERN HOPKINS
COUNTIES...

At 100 AM CST, severe thunderstorms were located along a line
extending from near Hawesville to Whitesville to near Livermore to
near Calhoun, moving east at 60 mph.

At 1241 am CST, The airport in Owensboro reported a 66 mph wind. At 
1257 am CST, a Kentucky Mesonet approximately 5 northwest of Calhoun 
Kentucky reported 51 mph winds. 

HAZARD...70 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Owensboro, Calhoun, Livermore, Whitesville, Knottsville and
Masonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Paducah.

&&

A tornado watch remains in effect until 400 AM CST for northwestern
Kentucky.

LAT...LON 3766 8685 3762 8692 3763 8695 3762 8698
      3754 8708 3746 8715 3746 8721 3744 8746
      3753 8735 3761 8711 3773 8714 3774 8710
      3779 8699 3783 8694 3782 8692 3783 8689
      3778 8685 3773 8685 3770 8689
TIME...MOT...LOC 0700Z 270DEG 50KT 3782 8678 3768 8686 3757 8711 3746
8724

HAIL...0.75IN
WIND...70MPH
 
$$

Smith
487 
WWUS53 KPAH 010713
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
113 AM CST WED MAR 1 2017

KYC059-107-149-010721-
/O.EXP.KPAH.SV.W.0021.000000T0000Z-170301T0715Z/
Daviess KY-McLean KY-Hopkins KY-
113 AM CST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DAVIESS...CENTRAL
MCLEAN AND NORTHEASTERN HOPKINS COUNTIES WILL EXPIRE AT 115 AM CST...

The storms which prompted the warning is moving out of the warned 
area. Therefore, the warning will be allowed to expire.
However gusty winds and heavy rain are still possible with these
thunderstorms.

A small area of southeast Davisiess County still has some potential 
for srong to severe storms and is still being monitored for a 
possible warning. 

A tornado watch remains in effect until 400 AM CST for northwestern
Kentucky.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Paducah.

LAT...LON 3766 8685 3762 8692 3763 8695 3762 8698
      3754 8708 3746 8715 3746 8721 3744 8746
      3753 8735 3761 8711 3773 8714 3774 8710
      3779 8699 3783 8694 3782 8692 3783 8689
      3778 8685 3773 8685 3770 8689
TIME...MOT...LOC 0711Z 253DEG 50KT 3786 8660 3772 8669 3761 8694 3750
8707

$$

Smith

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 9:59 PM CSTSpecial Weather StatementPAHCalloway, Graves, Marshall46 min
Feb 28, 10:12 PM CSTSevere Thunderstorm WarningPAHCalloway, Graves, Marshall33 min
Feb 28, 10:25 PM CSTTornado WarningPAHGraves35 min
Feb 28, 10:43 PM CSTTornado WarningPAHCalloway9 min
Feb 28, 10:49 PM CSTSevere Thunderstorm WarningPAHTrigg26 min
Feb 28, 10:56 PM CSTTornado WarningPAHCalloway22 min
Feb 28, 11:12 PM CSTSevere Thunderstorm WarningPAHCaldwell, Christian, Hopkins, Trigg33 min
Feb 28, 11:16 PM CSTTornado WarningPAHTrigg29 min
Feb 28, 11:43 PM CSTTornado WarningPAHChristian32 min
Mar 1, 12:13 AM CSTTornado WarningPAHTodd21 min
Mar 1, 4:50 AM CSTSevere Thunderstorm WarningPAHBallard25 min
Mar 1, 4:53 AM CSTSevere Thunderstorm WarningPAHCarlisle, Fulton, Graves, Hickman37 min
Mar 1, 5:03 AM CSTSpecial Weather StatementPAHWebster42 min
Mar 1, 5:06 AM CSTSevere Thunderstorm WarningPAHLivingston, McCracken, Marshall24 min
Mar 1, 5:18 AM CSTSevere Thunderstorm WarningPAHCaldwell, Crittenden, Daviess, Henderson, Hopkins, Livingston and 4 more57 min
Mar 1, 5:21 AM CSTSevere Thunderstorm WarningPAHCalloway, Graves, Lyon, Marshall, Trigg24 min
Mar 1, 5:27 AM CSTSevere Thunderstorm WarningPAHCaldwell, Crittenden, Livingston, Lyon, Marshall33 min
Mar 1, 5:40 AM CSTSevere Thunderstorm WarningPAHDaviess, McLean, Muhlenberg50 min
Mar 1, 5:44 AM CSTSevere Thunderstorm WarningPAHCaldwell, Calloway, Christian, Crittenden, Hopkins, Lyon and 2 more31 min
Mar 1, 6:11 AM CSTSevere Thunderstorm WarningPAHChristian, Hopkins, Muhlenberg, Todd, Trigg37 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2017Every severe thunderstorm warning in 2017

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.