Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 11, NWS Springfield, MO

March 17, 2021Barry County, Stone County, Missouri

NWS Springfield, MO issued this tornado warning at Mar 17, 2021, 6:20 PM CDT for Barry County, Stone County, Missouri. It was in force for 25 min. 5 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, 6:20 PM CDT (23:20 UTC)
Expired: Mar 17, 2021, 6:45 PM CDT
In force: 25 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Observed
Hail: 1.5 in

Counties Barry County, MO, Stone County, MO

The radar

The Springfield radar (KSGF), 47 km from the middle of the area, began a volume at 23:21 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, 6:27 PM CDT	TSTM WND DMG	1 Nnw Elsey, MO	MANY TREES REPORTED DOWN NEAR THE INTERSECTION OF HIGHWAY 413 AND WHEELER BRANCH ROAD.
Mar 17, 6:27 PM CDT	HAIL 2	Wheelerville, MO	HEN EGG SIZED HAIL REPORTED VIA MPING.
Mar 17, 6:37 PM CDT	TSTM WND DMG	Elsey, MO	TREES WERE REPORTED DOWN AND ROAD BLOCKED ON HIGHWAY 413.
Mar 17, 6:37 PM CDT	TORNADO	Elsey, MO	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM ELSEY. TREES WERE REPORTED DOWN AND ROAD BLOCKED ON HIGHWAY 413. SPOTTER CONFIRMED TORNADO ON THE GROUND. DAMAGE REPORTED TO HOMES JUST WEST OF TOWN. A TORNADO DEBRIS SIGNATURE WAS PRESENT WITH THIS STORM.
Mar 17, 6:45 PM CDT	TORNADO	2 Ese Wheelerville, MO	DAMAGE REPORTED TO A HOUSE AND TREES DOWN AT 248 AND BUTTONWOOD ROAD JUST EAST OF BARRY/STONE LINE. MULTIPLE REPORTS OF POWER LINES AND TREES DOWN. GOLF BALL HAIL WAS REPORTED ON THE GROUND AT AFTERTHE STORM PAST.

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, 11.3 hours before the alert went out and 20 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.

139 
WFUS53 KSGF 172320
TORSGF
MOC009-209-172345-
/O.NEW.KSGF.TO.W.0011.210317T2320Z-210317T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
620 PM CDT Wed Mar 17 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northwestern Stone County in southwestern Missouri...
  Northeastern Barry County in southwestern Missouri...

* Until 645 PM CDT.
    
* At 620 PM CDT, a tornado producing storm was located near Crane, or
  12 miles southeast of Aurora, moving northeast at 25 mph.

  HAZARD...Damaging tornado and ping pong ball size hail.

  SOURCE...Radar confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Crane...                          Wheelerville...
  Elsey...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3683 9370 3692 9364 3688 9338 3679 9352
      3679 9357
TIME...MOT...LOC 2320Z 213DEG 22KT 3684 9358 

TORNADO...OBSERVED
HAIL...1.50IN

$$

Wise

1 follow-up statement

954 
WWUS53 KSGF 172332
SVSSGF

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

MOC009-172342-
/O.CAN.KSGF.TO.W.0011.000000T0000Z-210317T2345Z/
Barry MO-
632 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR NORTHEASTERN BARRY COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3682 9355 3685 9360 3692 9361 3688 9338
      3680 9351
TIME...MOT...LOC 2332Z 234DEG 17KT 3687 9352 

$$

MOC209-172345-
/O.CON.KSGF.TO.W.0011.000000T0000Z-210317T2345Z/
Stone MO-
632 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHWESTERN STONE COUNTY...
    
At 632 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Crane, or 12 miles southeast of Aurora, moving
northeast at 25 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Crane...                          Elsey...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3682 9355 3685 9360 3692 9361 3688 9338
      3680 9351
TIME...MOT...LOC 2332Z 234DEG 17KT 3687 9352 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

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, 4:55 PM CDT	Severe Thunderstorm Warning	SGF	Barry	50 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, 6:25 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

Tornado Warnings in Missouri, 2021 Every tornado warning in 2021 Tornadoes 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.