Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Springfield, MO

March 17, 2021Barry County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2021, 4:55 PM CDT for Barry County, Missouri. It was in force for 50 min. 6 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: Mar 17, 2021, 4:55 PM CDT (21:55 UTC)
Expired: Mar 17, 2021, 5:45 PM CDT
In force: 50 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Barry County, MO

The radar

The Springfield radar (KSGF), 79 km from the middle of the area, began a volume at 21:55 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
Mar 17, 5:18 PM CDT	HAIL 1.25	Seligman, MO
Mar 17, 5:21 PM CDT	HAIL 1	2 Se Cassville, MO
Mar 17, 5:30 PM CDT	HAIL 1	4 Wnw Eagle Rock, MO
Mar 17, 5:30 PM CDT	TORNADO	5 Nw Eagle Rock, MO	INTERMITTENT TORNADO PATH 5 MILES NORTHWEST OF EAGLE ROCK TO 3 MILES SOUTH OF HURLEY. HARDWOOD TREES UPROOTED, SHINGLES REMOVED FROM SINGLE WIDE MOBILE HOME AND OUTBUILDINGS DESTROYED.
Mar 17, 5:34 PM CDT	HAIL 1.25	5 Nw Eagle Rock, MO	HALF DOLLAR SIZED HAIL REPORTED VIA MPING.
Mar 17, 5:52 PM CDT	HAIL 2	5 Nw Eagle Rock, MO	TWO INCH HAIL REPORTED VIA MPING.

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
Mar 17, 2:00 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 28 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: 102 J/kg
Mixed-layer CIN: -235 J/kg
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

890 
WUUS53 KSGF 172155
SVRSGF
MOC009-172245-
/O.NEW.KSGF.SV.W.0010.210317T2155Z-210317T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
455 PM CDT Wed Mar 17 2021

The National Weather Service in Springfield has issued a

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

* Until 545 PM CDT.

* At 454 PM CDT, a severe thunderstorm was located over Garfield, or
  9 miles northeast of Rogers, moving northeast at 30 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...
  Roaring River State Park...       Cassville...
  Seligman...                       Exeter...
  Wheaton...                        Butterfield...
  Washburn...                       Wayne...
  Ridgley...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3679 9406 3676 9367 3650 9380 3650 9407
      3677 9407
TIME...MOT...LOC 2154Z 203DEG 25KT 3645 9401 

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

Wise

1 follow-up statement

464 
WWUS53 KSGF 172200
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
500 PM CDT Wed Mar 17 2021

MOC009-172245-
/O.CON.KSGF.SV.W.0010.000000T0000Z-210317T2245Z/
Barry MO-
500 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHERN BARRY COUNTY...

At 500 PM CDT, a severe thunderstorm was located over Garfield, or 13
miles northeast of Rogers, moving northeast at 30 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Roaring River State Park...       Cassville...
Seligman...                       Exeter...
Wheaton...                        Butterfield...
Washburn...                       Wayne...
Ridgley...                        

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3679 9406 3676 9367 3650 9380 3650 9407
      3677 9407
TIME...MOT...LOC 2200Z 203DEG 25KT 3649 9399 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 2:19 AM CDT	Flash Flood Watch	SGF	Barton, Benton, Camden, Cedar, Christian, Dade and 23 more	19 hr
Mar 17, 2:20 AM CDT	Special Weather Statement	SGF	Laclede	25 min
Mar 17, 4:22 AM CDT	Special Weather Statement	SGF	Benton	23 min
Mar 17, 5:16 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Vernon	29 min
Mar 17, 5:33 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Newton	57 min
Mar 17, 7:43 AM CDT	Special Weather Statement	SGF	Dallas	32 min
Mar 17, 10:02 AM CDT	Areal Flood Advisory	SGF	Greene, Webster	4 hr
Mar 17, 3:27 PM CDT	Special Weather Statement	SGF	McDonald	33 min
Mar 17, 3:35 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	40 min
Mar 17, 4:10 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton	50 min
Mar 17, 4:30 PM CDT	Special Weather Statement	SGF	McDonald	30 min
Mar 17, 4:40 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	50 min
Mar 17, 4:53 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, Newton	52 min
Mar 17, 5:10 PM CDT	Flash Flood Warning	SGF	McDonald, Newton	4 hr
Mar 17, 5:10 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton	35 min
Mar 17, 5:12 PM CDT	Tornado Warning	SGF	Barry	33 min
Mar 17, 5:32 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence	43 min
Mar 17, 5:33 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	57 min
Mar 17, 5:33 PM CDT	Tornado Warning	SGF	Barry, Lawrence	27 min
Mar 17, 5:38 PM CDT	Tornado Warning	SGF	Barry	37 min
Mar 17, 5:55 PM CDT	Flash Flood Warning	SGF	Barry, Lawrence, Newton	4 hr
Mar 17, 6:01 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene, Lawrence	44 min
Mar 17, 6:13 PM CDT	Tornado Warning	SGF	Barry, Stone	17 min
Mar 17, 6:20 PM CDT	Tornado Warning Tornado observed	SGF	Barry, Stone	25 min
Mar 17, 6:25 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone	50 min
Mar 17, 6:37 PM CDT	Tornado Warning	SGF	Stone	23 min
Mar 17, 6:39 PM CDT	Special Weather Statement	SGF	Greene	51 min
Mar 17, 6:48 PM CDT	Severe Thunderstorm Warning	SGF	Christian	57 min
Mar 17, 6:50 PM CDT	Flash Flood Warning	SGF	Barry, Jasper, Lawrence, Stone	4 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.