Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 27, NWS Springfield, MO

April 9, 2021Barry County, Lawrence County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 2021, 3:54 PM CDT for Barry County, Lawrence County, Missouri. It was in force for 39 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: Apr 9, 2021, 3:54 PM CDT (20:54 UTC)
Expired: Apr 9, 2021, 4:33 PM CDT
In force: 39 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Barry County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 65 km from the middle of the area, began a volume at 20:58 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 9, 3:54 PM CDT	HAIL 1	Purdy, MO	CORRECTS PREVIOUS HAIL REPORT FROM PURDY.

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 9, 3:13 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 16 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: 107 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 429 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

395 
WUUS53 KSGF 092054
SVRSGF
MOC009-109-092145-
/O.NEW.KSGF.SV.W.0027.210409T2054Z-210409T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
354 PM CDT Fri Apr 9 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northwestern Barry County in southwestern Missouri...
  Southwestern Lawrence County in southwestern Missouri...

* Until 445 PM CDT.

* At 354 PM CDT, a severe thunderstorm was located near Purdy, or 8
  miles northwest of Cassville, moving north at 20 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Monett...                         Pierce City...
  Purdy...                          Wheaton...
  Verona...                         Butterfield...
  Pioneer...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3693 9407 3698 9406 3697 9379 3675 9384
      3671 9407
TIME...MOT...LOC 2054Z 180DEG 9KT 3677 9396 

HAIL...1.25IN
WIND...60MPH
 
$$

Terry

3 follow-up statements

877 
WWUS53 KSGF 092111
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
411 PM CDT Fri Apr 9 2021

MOC009-109-092145-
/O.CON.KSGF.SV.W.0027.000000T0000Z-210409T2145Z/
Barry MO-Lawrence MO-
411 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR NORTHWESTERN BARRY AND SOUTHWESTERN LAWRENCE COUNTIES...

At 411 PM CDT, severe thunderstorms were located along a line
extending from near Fairview to near Purdy, moving north at 15 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Monett...                         Pierce City...
Purdy...                          Wheaton...
Verona...                         Pioneer...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3692 9406 3697 9405 3696 9379 3677 9384
      3676 9406
TIME...MOT...LOC 2111Z 186DEG 12KT 3682 9404 3687 9384 

HAIL...1.25IN
WIND...60MPH
 
$$

Terry

369 
WWUS53 KSGF 092127
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
427 PM CDT Fri Apr 9 2021

MOC009-109-092145-
/O.CON.KSGF.SV.W.0027.000000T0000Z-210409T2145Z/
Barry MO-Lawrence MO-
427 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR NORTHWESTERN BARRY AND SOUTHWESTERN LAWRENCE COUNTIES...

At 427 PM CDT, severe thunderstorms were located along a line
extending from near Monett to near Verona, moving north at 20 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...
Monett...                         Pierce City...
Verona...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3692 9406 3697 9405 3696 9379 3686 9382
      3686 9405
TIME...MOT...LOC 2127Z 199DEG 19KT 3691 9396 3691 9384 

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

Terry

436 
WWUS53 KSGF 092133
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
433 PM CDT Fri Apr 9 2021

MOC009-109-092143-
/O.CAN.KSGF.SV.W.0027.000000T0000Z-210409T2145Z/
Barry MO-Lawrence MO-
433 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BARRY AND
SOUTHWESTERN LAWRENCE COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
southwestern Missouri.

LAT...LON 3692 9406 3697 9405 3696 9379 3686 9382
      3686 9405
TIME...MOT...LOC 2131Z 180DEG 9KT 3692 9396 3692 9384 

$$

Terry

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 9, 2:34 PM CDT	Special Weather Statement	SGF	McDonald	26 min
Apr 9, 2:54 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	51 min
Apr 9, 2:58 PM CDT	Special Weather Statement	SGF	Newton	32 min
Apr 9, 3:19 PM CDT	Special Weather Statement	SGF	Ozark	26 min
Apr 9, 3:24 PM CDT	Special Weather Statement	SGF	Newton	36 min
Apr 9, 3:29 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Stone	46 min
Apr 9, 3:41 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	49 min
Apr 9, 3:48 PM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 9, 3:52 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	38 min
Apr 9, 4:03 PM CDT	Special Weather Statement	SGF	Christian	27 min
Apr 9, 4:18 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	42 min
Apr 9, 4:24 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	30 min
Apr 9, 4:32 PM CDT	Special Weather Statement	SGF	Greene, Jasper, Lawrence	28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.