Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 41, NWS Springfield, MO

May 22, 2011McDonald County, Missouri

NWS Springfield, MO issued this tornado warning at May 22, 2011, 8:28 PM CDT for McDonald County, Missouri. It was in force for 47 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: May 22, 2011, 8:28 PM CDT (01:28 UTC)
Expired: May 22, 2011, 9:15 PM CDT
In force: 47 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County McDonald County, MO

The radar

The Springfield radar (KSGF), 114 km from the middle of the area, began a volume at 01:32 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
May 22, 1:27 PM CDT	Tornado Watch	SPC	8 hr
May 22, 8:26 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 63 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: 3961 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 15.9

Open this sounding in Storm Lab

The text

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

004 
WFUS53 KSGF 230128
TORSGF
MOC119-230215-
/O.NEW.KSGF.TO.W.0041.110523T0128Z-110523T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
828 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MCDONALD COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 915 PM CDT.

* AT 823 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR NOEL...OR 8 MILES SOUTHWEST OF PINEVILLE...MOVING EAST
  AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE NOEL.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

&&

LAT...LON 3650 9427 3649 9454 3650 9454 3658 9454
      3660 9408 3649 9407 3649 9426
TIME...MOT...LOC 0127Z 273DEG 36KT 3651 9444
HAIL 2.75IN

$$

HATCH

2 follow-up statements

842 
WWUS53 KSGF 230150
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
850 PM CDT SUN MAY 22 2011

MOC119-230215-
/O.CON.KSGF.TO.W.0041.000000T0000Z-110523T0215Z/
MCDONALD MO-
850 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR SOUTHERN
MCDONALD COUNTY...

AT 845 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
NEW THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES WEST OF 
NOEL...OR 10 MILES WEST OF PINEVILLE...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE NOEL.

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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY MORNING FOR
SOUTHERN MISSOURI.

&&

LAT...LON 3650 9427 3649 9454 3650 9454 3658 9454
      3660 9408 3649 9407 3649 9426
TIME...MOT...LOC 0149Z 268DEG 19KT 3654 9452
HAIL 1.75IN

$$

HATCH

461 
WWUS53 KSGF 230208
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
908 PM CDT SUN MAY 22 2011

MOC119-230216-
/O.EXP.KSGF.TO.W.0041.000000T0000Z-110523T0215Z/
MCDONALD MO-
908 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR SOUTHERN MCDONALD COUNTY WILL EXPIRE AT
915 PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE ROTATION 
THAT PROMPTED THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE.

HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE 
AREA THROUGH 10 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY MORNING FOR
SOUTHWESTERN MISSOURI.

LAT...LON 3650 9427 3649 9454 3650 9454 3658 9454
      3660 9408 3649 9407 3649 9426
TIME...MOT...LOC 0206Z 268DEG 19KT 3654 9441

$$

HATCH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 7:01 PM CDT	Tornado Warning	SGF	McDonald	44 min
May 22, 7:06 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald, Newton	54 min
May 22, 7:08 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Miller, Morgan	67 min
May 22, 7:10 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Lawrence, McDonald, Newton, Stone	6 hr
May 22, 7:28 PM CDT	Tornado Warning	SGF	Christian, Taney	47 min
May 22, 7:38 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	52 min
May 22, 7:41 PM CDT	Tornado Warning	SGF	McDonald	49 min
May 22, 7:46 PM CDT	Tornado Warning	SGF	McDonald	44 min
May 22, 8:02 PM CDT	Tornado Warning	SGF	Taney	28 min
May 22, 8:05 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Wright	40 min
May 22, 8:18 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	27 min
May 22, 8:24 PM CDT	Tornado Warning	SGF	Ozark	36 min
May 22, 8:46 PM CDT	Flash Flood Warning	SGF	Ozark, Taney	6 hr
May 22, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	41 min
May 22, 8:57 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	63 min
May 22, 9:01 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	44 min
May 22, 9:11 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Douglas, Howell, Oregon, Shannon, Texas	64 min
May 22, 9:15 PM CDT	Tornado Warning	SGF	Douglas, Howell, Oregon, Ozark	30 min
May 22, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	51 min
May 22, 9:57 PM CDT	Special Weather Statement	SGF	McDonald, Newton	33 min
May 22, 10:09 PM CDT	Special Weather Statement	SGF	Barry	36 min
May 22, 10:10 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	35 min
May 22, 10:55 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	65 min
May 22, 11:45 PM CDT	River Flood Warning	SGF	McDonald	57 hr
May 22, 11:54 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	66 min
May 23, 12:50 AM CDT	Flash Flood Warning	SGF	Barry, McDonald, Newton, Stone	9 hr
May 23, 1:42 AM CDT	Special Weather Statement	SGF	Stone	48 min
May 23, 3:36 AM CDT	Flash Flood Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	63 hr
May 23, 7:47 AM CDT	Special Weather Statement	SGF	Jasper	43 min
May 23, 8:15 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	45 min
May 23, 8:35 AM CDT	Special Weather Statement	SGF	Vernon	40 min
May 23, 8:51 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, St. Clair, Vernon	39 min
May 23, 8:56 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton	49 min
May 23, 9:17 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Hickory, Polk, St. Clair	31 min
May 23, 9:38 AM CDT	Flash Flood Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton, Stone	8 hr
May 23, 9:43 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Hickory, Polk	18 min
May 23, 9:55 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Hickory, Laclede	36 min
May 23, 10:29 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dent, Laclede, Maries, Miller, Morgan and 3 more	45 min
May 23, 10:53 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Miller, Phelps, Pulaski	44 min
May 23, 12:59 PM CDT	Special Weather Statement	SGF	Howell, Shannon	61 min
May 23, 1:09 PM CDT	Tornado Warning	SGF	Howell, Oregon, Ozark	66 min
May 23, 1:43 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	20 min
May 23, 1:47 PM CDT	Tornado Warning	SGF	Howell, Oregon, Shannon	43 min
May 23, 1:58 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	47 min
May 23, 2:11 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	33 min
May 23, 2:28 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	62 min
May 23, 3:26 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Barton, Dade, Jasper, Lawrence, Newton	47 min
May 23, 4:02 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	41 min
May 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	43 min
May 23, 4:28 PM CDT	River Flood Warning	SGF	Shannon	16 hr
May 23, 4:28 PM CDT	River Flood Warning	SGF	Stone	17 hr
May 23, 5:12 PM CDT	Special Weather Statement	SGF	Jasper	33 min
May 23, 5:51 PM CDT	Flash Flood Warning	SGF	Barry, Jasper, McDonald, Newton	16 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.