Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Springfield, MO

May 9, 2021Barry County, McDonald County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 9, 2021, 2:44 AM CDT for Barry County, McDonald County, Missouri. It was in force for 46 min. 2 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: May 9, 2021, 2:44 AM CDT (07:44 UTC)
Expired: May 9, 2021, 3:30 AM CDT
In force: 46 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Barry County, MO, McDonald County, MO

The radar

The Springfield radar (KSGF), 84 km from the middle of the area, began a volume at 07:47 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
May 9, 2:53 AM CDT	HAIL 1	9 Sse Powell, MO	PUBLIC REPORT RELAYED VIA BROADCAST MEDIA OF QUARTER SIZE HAIL IN JACKET, MO. TIME ESTIMATED FROM RADAR.
May 9, 3:02 AM CDT	HAIL 1.75	5 Sse Cassville, MO

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

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.7 hours before the alert went out and 39 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: 2 J/kg
Mixed-layer CIN: -429 J/kg
Mixed-layer LCL: 2095 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 370 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

736 
WUUS53 KSGF 090744
SVRSGF
MOC009-119-090830-
/O.NEW.KSGF.SV.W.0044.210509T0744Z-210509T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
244 AM CDT Sun May 9 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern McDonald County in southwestern Missouri...
  Southern Barry County in southwestern Missouri...

* Until 330 AM CDT.

* At 244 AM CDT, a severe thunderstorm was located near Pea Ridge, or
  10 miles northeast of Bella Vista, moving east at 45 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...
  Table Rock Lake...                Roaring River State Park...
  Cassville...                      Shell Knob...
  Seligman...                       Exeter...
  Washburn...                       Golden...
  Emerald Beach...                  Eagle Rock...
  Chain-O-Lakes...                  Arrow Point...
  Wayne...                          Powell...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 9367 3650 9422 3662 9426 3676 9358
      3650 9358 3649 9364
TIME...MOT...LOC 0744Z 256DEG 41KT 3654 9413 

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

Lindenberg

2 follow-up statements

845 
WWUS53 KSGF 090801
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
301 AM CDT Sun May 9 2021

MOC119-090810-
/O.CAN.KSGF.SV.W.0044.000000T0000Z-210509T0830Z/
McDonald MO-
301 AM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCDONALD 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 3650 9367 3651 9398 3666 9407 3676 9358
      3650 9358 3649 9364
TIME...MOT...LOC 0800Z 256DEG 41KT 3659 9390 

$$

MOC009-090830-
/O.CON.KSGF.SV.W.0044.000000T0000Z-210509T0830Z/
Barry MO-
301 AM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR SOUTHERN BARRY COUNTY...

At 300 AM CDT, a severe thunderstorm was located near Washburn, or
near Cassville, moving east at 45 mph.

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

SOURCE...Trained weather spotters. At 253 AM, quarter to half dollar 
         size hail was reported near Jacket, MO.

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

Locations impacted include...
Table Rock Lake...                Roaring River State Park...
Cassville...                      Shell Knob...
Seligman...                       Exeter...
Washburn...                       Golden...
Emerald Beach...                  Eagle Rock...
Chain-O-Lakes...                  Arrow Point...
Wayne...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 9367 3651 9398 3666 9407 3676 9358
      3650 9358 3649 9364
TIME...MOT...LOC 0800Z 256DEG 41KT 3659 9390 

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

Lindenberg

118 
WWUS53 KSGF 090809
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
309 AM CDT Sun May 9 2021

MOC009-090830-
/O.CON.KSGF.SV.W.0044.000000T0000Z-210509T0830Z/
Barry MO-
309 AM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR SOUTHERN BARRY COUNTY...

At 309 AM CDT, a severe thunderstorm was located near Cassville,
moving east at 45 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...
Table Rock Lake...                Roaring River State Park...
Cassville...                      Shell Knob...
Exeter...                         Emerald Beach...
Wayne...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3656 9364 3654 9385 3667 9401 3676 9358
      3658 9358
TIME...MOT...LOC 0809Z 256DEG 41KT 3662 9377 

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

Lindenberg

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 8:02 PM CDT	River Flood Warning	SGF	Vernon	3 days
May 9, 1:58 AM CDT	Special Weather Statement	SGF	Morgan	32 min
May 9, 2:10 AM CDT	Special Weather Statement	SGF	Newton	50 min
May 9, 2:23 AM CDT	Severe Thunderstorm Warning	SGF	McDonald	39 min
May 9, 2:28 AM CDT	Special Weather Statement	SGF	Morgan	47 min
May 9, 2:47 AM CDT	Special Weather Statement	SGF	Lawrence, Newton	43 min
May 9, 3:14 AM CDT	Special Weather Statement	SGF	Christian, Greene, Webster	46 min
May 9, 3:17 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	43 min
May 9, 3:22 AM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	38 min
May 9, 3:23 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Greene, Lawrence, Stone	52 min
May 9, 3:37 AM CDT	Severe Thunderstorm Warning	SGF	Dade, Greene, Lawrence, Polk	38 min
May 9, 3:39 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Stone, Taney	51 min
May 9, 3:46 AM CDT	Areal Flood Advisory	SGF	Cedar, St. Clair, Vernon	6 hr
May 9, 4:04 AM CDT	Special Weather Statement	SGF	Christian, Greene, Webster	41 min
May 9, 4:09 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Polk, Webster	51 min
May 9, 4:11 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney	49 min
May 9, 4:23 AM CDT	Areal Flood Advisory	SGF	Cedar, Dade, Greene, Polk, St. Clair, Vernon	6 hr
May 9, 4:44 AM CDT	Special Weather Statement	SGF	Wright	46 min
May 9, 4:56 AM CDT	Special Weather Statement	SGF	Douglas, Howell	49 min
May 9, 5:08 AM CDT	Areal Flood Advisory	SGF	Christian, Dallas, Greene, Laclede, Polk, Webster and 1 more	6 hr
May 9, 5:26 AM CDT	Areal Flood Advisory	SGF	Christian, Douglas, Ozark, Taney, Webster, Wright	6 hr
May 9, 5:32 AM CDT	Special Weather Statement	SGF	Ozark	43 min
May 9, 6:12 AM CDT	Areal Flood Advisory	SGF	Barton, Cedar, Dade, Greene, Jasper, Lawrence and 1 more	6 hr
May 9, 6:53 AM CDT	Areal Flood Advisory	SGF	Barry, Christian, Greene, Jasper, Lawrence, Newton and 3 more	6 hr
May 9, 7:14 AM CDT	Special Weather Statement	SGF	Cedar	46 min
May 9, 7:38 AM CDT	Special Weather Statement	SGF	Dade	52 min
May 9, 7:48 AM CDT	River Flood Warning	SGF	Bates, Vernon	23 hr
May 9, 8:59 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	31 min
May 9, 9:51 AM CDT	Areal Flood Advisory	SGF	Barton, Cedar, Dade, Dallas, Polk, Vernon	6 hr
May 9, 9:56 AM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	34 min
May 9, 10:35 AM CDT	Special Weather Statement	SGF	Ozark	25 min
May 9, 10:57 AM CDT	Areal Flood Advisory	SGF	Barry, Christian, Douglas, Greene, Lawrence, Stone and 3 more	10 hr
May 9, 11:21 AM CDT	Areal Flood Advisory	SGF	Howell, Ozark	14 hr
May 9, 2:59 PM CDT	Areal Flood Warning	SGF	Barry, Stone	4 hr
May 9, 3:18 PM CDT	Areal Flood Warning	SGF	Christian, Greene	10 hr

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.