Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 69, NWS Paducah, KY

July 10, 2021Gibson County, Posey County, Vanderburgh County, Indiana

NWS Paducah, KY issued this severe thunderstorm warning at Jul 10, 2021, 3:57 PM CDT for Gibson County, Posey County, Vanderburgh County, Indiana. It was in force for 48 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 10, 2021, 3:57 PM CDT (20:57 UTC)
Expired
Jul 10, 2021, 4:45 PM CDT
In force
48 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Gibson County, IN, Posey County, IN, Vanderburgh County, IN

The radar

The Evansville,IN radar (KVWX), 2 km from the middle of the area, began a volume at 20:57 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 10, 3:58 PM CDTTSTM WND DMGNew Harmony, INONE TREE ON ROADWAY IN NEW HARMONY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.0 hours before the alert went out and 225 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, Lincoln, IL at 12:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WUUS53 KPAH 102057
SVRPAH
INC051-129-163-102145-
/O.NEW.KPAH.SV.W.0069.210710T2057Z-210710T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
357 PM CDT Sat Jul 10 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Gibson County in southwestern Indiana...
  Northwestern Vanderburgh County in southwestern Indiana...
  Northern Posey County in southwestern Indiana...

* Until 445 PM CDT.

* At 356 PM CDT, a severe thunderstorm was located over New Harmony,
  or 11 miles north of Mount Vernon, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Princeton, Fort Branch, Oakland City, Haubstadt, Owensville,
  Poseyville, New Harmony, Patoka. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3847 8746 3844 8744 3843 8741 3838 8741
      3838 8732 3829 8732 3797 8795 3805 8802
      3807 8797 3810 8796 3809 8802 3810 8802
      3816 8791 3817 8791 3816 8793 3819 8797
      3853 8747
TIME...MOT...LOC 2056Z 234DEG 40KT 3810 8794 

HAIL...0.75IN
WIND...60MPH
 
$$

York
1 follow-up statement
676 
WWUS53 KPAH 102127
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
427 PM CDT Sat Jul 10 2021

INC129-102135-
/O.CAN.KPAH.SV.W.0069.000000T0000Z-210710T2145Z/
Posey IN-
427 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN POSEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3847 8746 3844 8744 3843 8741 3838 8741
      3837 8740 3838 8732 3829 8732 3810 8770
      3820 8769 3820 8780 3823 8780 3823 8791
      3850 8751 3849 8750 3852 8747 3853 8747
TIME...MOT...LOC 2125Z 229DEG 32KT 3825 8768 

$$

INC051-163-102145-
/O.CON.KPAH.SV.W.0069.000000T0000Z-210710T2145Z/
Gibson IN-Vanderburgh IN-
427 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR GIBSON AND NORTHWESTERN VANDERBURGH COUNTIES...

At 425 PM CDT, a severe thunderstorm was located from Owensville to 
the northwest corner of Vanderburgh County, moving northeast at 35 
mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Law enforcement. A tree was down across a roadway, and 
         power outages were reported in the New Harmony area.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Princeton, Fort Branch, Oakland City, Haubstadt, Owensville, Patoka,
Francisco, Somerville and Mackey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3847 8746 3844 8744 3843 8741 3838 8741
      3837 8740 3838 8732 3829 8732 3810 8770
      3820 8769 3820 8780 3823 8780 3823 8791
      3850 8751 3849 8750 3852 8747 3853 8747
TIME...MOT...LOC 2125Z 229DEG 32KT 3825 8768 

HAIL...0.75IN
WIND...60MPH
 
$$

York

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:21 AM CDTFlash Flood WatchPAHGibson, Pike, Posey, Spencer, Vanderburgh, Warrick25 hr
Jul 10, 3:23 PM CDTSpecial Weather StatementPAHPosey, Vanderburgh52 min
Jul 10, 4:43 PM CDTSpecial Weather StatementPAHGibson, Pike47 min
Jul 10, 4:52 PM CDTSpecial Weather StatementPAHSpencer, Warrick38 min
Jul 10, 6:19 PM CDTSpecial Weather StatementPAHPosey41 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Every severe thunderstorm warning in 2021

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.