Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 22, NWS Springfield, MO

April 22, 2011Christian County, Douglas County, Webster County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 22, 2011, 7:36 PM CDT for Christian County, Douglas County, Webster County, Missouri. It was in force for 16 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: Apr 22, 2011, 7:36 PM CDT (00:36 UTC)
Expired: Apr 22, 2011, 7:52 PM CDT
In force: 16 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties Christian County, MO, Douglas County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 50 km from the middle of the area, began a volume at 00:40 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 22, 3:34 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 85 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: 2835 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 640 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 4.7
Supercell composite: 18.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

622 
WFUS53 KSGF 230036
TORSGF
MOC043-067-225-230115-
/O.NEW.KSGF.TO.W.0022.110423T0036Z-110423T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
736 PM CDT FRI APR 22 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CHRISTIAN COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN DOUGLAS COUNTY IN SOUTHWEST MISSOURI...
  SOUTHERN WEBSTER COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 815 PM CDT.

* AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR OLDFIELD...OR 8 MILES EAST OF OZARK...MOVING EAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE BRUNER...DOGWOOD...ELKHEAD...KELTNER...
  OLDFIELD...ROGERSVILLE AND SEYMOUR.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.

THIS REPLACES THE TORNADO WARNING THAT WAS PREVIOUSLY IN EFFECT FOR 
CHRISTIAN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF AVAILABLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3712 9306 3719 9269 3717 9268 3697 9269
      3693 9307
TIME...MOT...LOC 0035Z 254DEG 38KT 3704 9299
HAIL 1.75IN

$$

SCHAUMANN

1 follow-up statement

655 
WWUS53 KSGF 230052
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
752 PM CDT FRI APR 22 2011

MOC043-067-225-230102-
/O.CAN.KSGF.TO.W.0022.000000T0000Z-110423T0115Z/
CHRISTIAN MO-DOUGLAS MO-WEBSTER MO-
752 PM CDT FRI APR 22 2011

...THE TORNADO WARNING FOR SOUTHERN WEBSTER...NORTHWESTERN DOUGLAS
AND NORTHEASTERN CHRISTIAN COUNTIES IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT
PROMPTED THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN
CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHERN MISSOURI.

LAT...LON 3712 9306 3719 9269 3717 9268 3697 9269
      3693 9307
TIME...MOT...LOC 0052Z 254DEG 38KT 3709 9277

$$

SCHAUMANN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 7:00 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	45 min
Apr 22, 7:03 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon, Texas	57 min
Apr 22, 7:09 PM CDT	Tornado Warning	SGF	Christian	51 min
Apr 22, 7:18 PM CDT	Tornado Warning	SGF	Oregon, Shannon	42 min
Apr 22, 7:36 PM CDT	Tornado Warning	SGF	Phelps, Texas	28 min
Apr 22, 7:39 PM CDT	Flash Flood Warning	SGF	Howell, Oregon, Ozark, Shannon	8 hr
Apr 22, 7:46 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede	25 min
Apr 22, 8:02 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	58 min
Apr 22, 8:22 PM CDT	Special Weather Statement	SGF	Greene	23 min
Apr 22, 8:34 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	26 min
Apr 22, 9:01 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	23 min
Apr 22, 9:52 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Wright	38 min
Apr 22, 10:20 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Shannon, Texas, Wright	55 min
Apr 22, 10:22 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	38 min
Apr 22, 10:31 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	29 min
Apr 22, 10:37 PM CDT	Special Weather Statement	SGF	Lawrence	23 min
Apr 22, 10:44 PM CDT	Severe Thunderstorm Warning	SGF	Webster, Wright	46 min
Apr 22, 10:49 PM CDT	Flash Flood Warning	SGF	Dent, Laclede, Shannon, Texas, Wright	6 hr
Apr 22, 11:10 PM CDT	Special Weather Statement	SGF	Shannon, Texas	50 min
Apr 22, 11:18 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Texas	31 min
Apr 22, 11:48 PM CDT	Special Weather Statement	SGF	Texas	27 min
Apr 23, 12:29 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	42 min
Apr 23, 12:40 AM CDT	Severe Thunderstorm Warning	SGF	Shannon	35 min
Apr 23, 1:19 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	56 min
Apr 23, 3:29 AM CDT	Flash Flood Warning	SGF	Dade, Dallas, Polk	6 hr
Apr 23, 3:34 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Laclede, Webster	45 min
Apr 23, 3:48 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski	49 min
Apr 23, 3:54 AM CDT	Flash Flood Warning	SGF	Laclede, Pulaski	5 hr
Apr 23, 3:58 AM CDT	Areal Flood Warning	SGF	Dent, Douglas, Howell, Oregon, Ozark, Shannon and 2 more	10 hr
Apr 23, 4:01 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	35 min
Apr 23, 4:11 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps, Pulaski, Texas	27 min
Apr 23, 5:56 AM CDT	Severe Thunderstorm Warning	SGF	McDonald	64 min
Apr 23, 6:30 AM CDT	Flash Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 9:01 AM CDT	Areal Flood Warning	SGF	Dallas, Laclede, Phelps, Polk, Pulaski	5 hr
Apr 23, 9:29 AM CDT	Special Weather Statement	SGF	Ozark	31 min
Apr 23, 11:04 AM CDT	Special Weather Statement	SGF	Oregon	26 min
Apr 23, 11:30 AM CDT	Special Weather Statement	SGF	Oregon	45 min
Apr 23, 11:53 AM CDT	Areal Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 1:57 PM CDT	Areal Flood Warning	SGF	Dallas, Dent, Douglas, Howell, Laclede, Oregon and 7 more	4 hr
Apr 23, 2:44 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	46 min
Apr 23, 3:02 PM CDT	Special Weather Statement	SGF	McDonald	28 min
Apr 23, 3:22 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	38 min
Apr 23, 3:24 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	51 min
Apr 23, 3:29 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Lawrence	46 min
Apr 23, 3:58 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	47 min
Apr 23, 4:04 PM CDT	Special Weather Statement	SGF	Barry, Stone	26 min
Apr 23, 4:06 PM CDT	Special Weather Statement	SGF	Polk	24 min
Apr 23, 4:09 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	66 min
Apr 23, 4:12 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	33 min
Apr 23, 4:15 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone	45 min
Apr 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Stone, Taney	21 min
Apr 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	44 min
Apr 23, 4:19 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Texas, Wright	30 min
Apr 23, 4:20 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Polk	21 min
Apr 23, 4:34 PM CDT	Flash Flood Warning	SGF	Dent, Douglas, Howell, Laclede, Phelps, Pulaski and 4 more	6 hr
Apr 23, 4:41 PM CDT	Areal Flood Advisory	SGF	Greene	3 hr
Apr 23, 4:43 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	47 min
Apr 23, 5:02 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	28 min
Apr 23, 5:08 PM CDT	Special Weather Statement	SGF	Wright	37 min
Apr 23, 5:10 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	31 min
Apr 23, 5:27 PM CDT	Special Weather Statement	SGF	Taney	33 min
Apr 23, 5:30 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Douglas, Ozark, Stone, Taney	7 hr
Apr 23, 5:31 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	59 min
Apr 23, 5:35 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	55 min
Apr 23, 5:54 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	36 min
Apr 23, 5:55 PM CDT	Areal Flood Warning	SGF	Dallas, Dent, Douglas, Howell, Laclede, Oregon and 8 more	6 hr
Apr 23, 5:58 PM CDT	Areal Flood Warning	SGF	Barry, McDonald, Newton	6 hr
Apr 23, 6:08 PM CDT	Areal Flood Advisory	SGF	Webster	6 hr
Apr 23, 6:27 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	33 min
Apr 23, 6:56 PM CDT	Flash Flood Warning	SGF	Douglas, Howell, Oregon, Ozark, Shannon	6 hr

Nearby

Tornado Warnings in Missouri, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.