Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 25, NWS Springfield, MO

October 11, 2021Barton County, Cedar County, Dade County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 11, 2021, 4:54 AM CDT for Barton County, Cedar County, Dade County, Missouri. It was in force for 21 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: Oct 11, 2021, 4:54 AM CDT (09:54 UTC)
Expired: Oct 11, 2021, 5:15 AM CDT
In force: 21 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

Counties Barton County, MO, Cedar County, MO, Dade County, MO

The radar

The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 09:55 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.9 hours before the alert went out and 78 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2067 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

487 
WFUS53 KSGF 110954
TORSGF
MOC011-039-057-111015-
/O.NEW.KSGF.TO.W.0025.211011T0954Z-211011T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
454 AM CDT Mon Oct 11 2021

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northeastern Barton County in southwestern Missouri...
  Southwestern Cedar County in southwestern Missouri...
  Northwestern Dade County in southwestern Missouri...

* Until 515 AM CDT.
    
* At 454 AM CDT, a tornado producing storm was located near Golden
  City, or 9 miles southeast of Lamar, moving north at 50 mph.

  HAZARD...Damaging tornado.

  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...
  Jerico Springs...                 Milford...

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 3764 9419 3765 9395 3743 9407 3743 9413
TIME...MOT...LOC 0954Z 186DEG 45KT 3744 9411 

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

Titus

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 10, 9:40 PM CDT	River Flood Watch	SGF	Vernon	11 hr
Oct 11, 12:18 AM CDT	Severe Thunderstorm Warning	SGF	McDonald	27 min
Oct 11, 12:25 AM CDT	Tornado Warning Tornado observed	SGF	McDonald	35 min
Oct 11, 12:58 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	47 min
Oct 11, 1:16 AM CDT	Tornado Warning Tornado observed	SGF	Newton	29 min
Oct 11, 1:31 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	22 min
Oct 11, 3:39 AM CDT	Special Weather Statement	SGF	Jasper, McDonald, Newton	36 min
Oct 11, 3:53 AM CDT	Special Weather Statement	SGF	Barton, Vernon	52 min
Oct 11, 4:15 AM CDT	Special Weather Statement	SGF	Barry, Jasper, Newton	60 min
Oct 11, 4:42 AM CDT	Tornado Warning	SGF	Barton, Dade, Jasper	18 min
Oct 11, 5:09 AM CDT	Tornado Warning	SGF	Cedar, Vernon	21 min
Oct 11, 5:40 AM CDT	Wind Advisory	SGF	Barton, Benton, Cedar, Dade, Dallas, Greene and 6 more	5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.