Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 85, NWS Paducah, KY

July 30, 2021Butler County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Jul 30, 2021, 4:34 PM CDT for Butler County, Missouri. It was in force for 26 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: Jul 30, 2021, 4:34 PM CDT (21:34 UTC)
Expired: Jul 30, 2021, 5:00 PM CDT
In force: 26 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Butler County, MO

The radar

The Memphis radar (KNQA), 154 km from the middle of the area, began a volume at 21:38 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

Little Rock, AR (KLZK), launched 12:00Z, 9.6 hours before the alert went out and 206 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: 1488 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1451 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

269 
WUUS53 KPAH 302134
SVRPAH
MOC023-302200-
/O.NEW.KPAH.SV.W.0085.210730T2134Z-210730T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
434 PM CDT Fri Jul 30 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Southwestern Butler County in southeastern Missouri...

* Until 500 PM CDT.

* At 434 PM CDT, a severe thunderstorm was located over Harviell, or
  near Poplar Bluff, moving southeast at 5 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Harviell around 445 PM CDT.

Other locations in the path of this severe thunderstorm include
Neelyville.

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.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3662 9059 3682 9060 3679 9042 3656 9031
      3650 9045 3650 9052
TIME...MOT...LOC 2134Z 324DEG 5KT 3669 9046 

HAIL...1.00IN
WIND...60MPH
 
$$

SMITH

2 follow-up statements

945 
WWUS53 KPAH 302151
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
451 PM CDT Fri Jul 30 2021

MOC023-302200-
/O.CON.KPAH.SV.W.0085.000000T0000Z-210730T2200Z/
Butler MO-
451 PM CDT Fri Jul 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHWESTERN BUTLER COUNTY...

At 451 PM CDT, a severe thunderstorm was located over Harviell, or
near Poplar Bluff, moving southeast at 5 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  Neelyville.

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.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3662 9059 3682 9060 3679 9042 3656 9031
      3650 9045 3650 9052
TIME...MOT...LOC 2151Z 324DEG 5KT 3667 9044 

HAIL...1.00IN
WIND...60MPH
 
$$

SMITH

687 
WWUS53 KPAH 302202
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
502 PM CDT Fri Jul 30 2021

MOC023-302210-
/O.EXP.KPAH.SV.W.0085.000000T0000Z-210730T2200Z/
Butler MO-
502 PM CDT Fri Jul 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BUTLER COUNTY HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However gusty 
winds and heavy rain are still possible with this thunderstorm. A 
Flash Flood Warning remains in effect for western Butler County and 
the eastern Part of Ripley County until 745 pm CDT.  Frequent and 
dangerous lightning will also be a concern for those caught outdoors.

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

LAT...LON 3662 9059 3682 9060 3679 9042 3656 9031
      3650 9045 3650 9052
TIME...MOT...LOC 2200Z 324DEG 5KT 3666 9043 

$$

SMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 4:09 PM CDT	Special Weather Statement	PAH	Butler	21 min
Jul 30, 4:17 PM CDT	Special Weather Statement	PAH	Butler	28 min
Jul 30, 4:47 PM CDT	Flash Flood Warning	PAH	Butler, Ripley	3 hr
Jul 30, 4:53 PM CDT	Severe Thunderstorm Warning	PAH	Ripley	22 min
Jul 30, 5:16 PM CDT	Special Weather Statement	PAH	Butler	44 min
Jul 30, 5:37 PM CDT	Flash Flood Warning	PAH	Butler	2 hr
Jul 30, 5:46 PM CDT	Special Weather Statement	PAH	Wayne	59 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.