Alert archive / Missouri / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Springfield, MO

February 26, 2009Dallas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Feb 26, 2009, 6:09 PM CST for Dallas County, Missouri. It was in force for 47 min. 3 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: Feb 26, 2009, 6:09 PM CST (00:09 UTC)
Expired: Feb 26, 2009, 6:56 PM CST
In force: 47 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County Dallas County, MO

The radar

The Springfield radar (KSGF), 69 km from the middle of the area, began a volume at 00:09 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
Feb 26, 6:20 PM CST	TSTM WND GST 50	Louisburg, MO
Feb 26, 6:30 PM CST	TSTM WND DMG	2 Nw Windyville, MO	2 FT DIAMETER TREE DOWN BETWEEN PLAD AND WINDYVILLE OFF OF HWY K
Feb 26, 6:32 PM CST	HAIL 1	Plad, MO

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
Feb 26, 5:19 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 119 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: 935 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1189 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 270009
SVRSGF
MOC059-270115-
/O.NEW.KSGF.SV.W.0021.090227T0009Z-090227T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
609 PM CST THU FEB 26 2009

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DALLAS COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 715 PM CST.

* AT 609 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF LOUISBURG...OR 12 MILES
  NORTHWEST OF BUFFALO...MOVING EAST AT 40 MPH. THIS STORM IS CAPABLE
  OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTH OF BUFFALO BY 630 PM CST.

THE TOWNS OF LOUISBURG...PUMPKIN CENTER...PLAD...WINDYVILLE...LONG
LANE AND BENNETT SPRINGS ARE ALSO IN THE PATH OF THIS SEVERE
THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 3789 9299 3789 9286 3773 9286 3772 9285
      3768 9285 3757 9286 3764 9318 3773 9318
      3773 9320 3781 9320 3790 9319 3790 9300
TIME...MOT...LOC 0010Z 285DEG 31KT 3776 9325

$$

FOSTER

1 follow-up statement

000 
WWUS53 KSGF 270056
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
656 PM CST THU FEB 26 2009

MOC059-270106-
/O.CAN.KSGF.SV.W.0021.000000T0000Z-090227T0115Z/
DALLAS MO-
656 PM CST THU FEB 26 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN AND CENTRAL DALLAS 
COUNTY IS CANCELLED...

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN 
DALLAS COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST
FRIDAY MORNING FOR SOUTHERN MISSOURI.

LAT...LON 3789 9299 3789 9286 3773 9286 3772 9285
      3768 9285 3757 9286 3764 9318 3773 9318
      3773 9320 3781 9320 3790 9319 3790 9300
TIME...MOT...LOC 0056Z 285DEG 31KT 3766 9276

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 26, 6:14 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone	47 min
Feb 26, 6:17 PM CST	Tornado Warning	SGF	Dallas	43 min
Feb 26, 6:31 PM CST	Tornado Warning	SGF	Laclede	59 min
Feb 26, 6:43 PM CST	Severe Thunderstorm Warning	SGF	Christian, Greene, Stone	62 min
Feb 26, 6:54 PM CST	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster, Wright	66 min
Feb 26, 7:18 PM CST	Severe Thunderstorm Warning	SGF	Phelps, Pulaski, Texas	57 min
Feb 26, 7:30 PM CST	Severe Thunderstorm Warning	SGF	Texas	44 min
Feb 26, 7:44 PM CST	Severe Thunderstorm Warning	SGF	Phelps	26 min
Feb 26, 8:23 PM CST	Areal Flood Advisory	SGF	Texas, Wright	6 hr
Feb 26, 8:42 PM CST	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	48 min
Feb 26, 9:48 PM CST	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	57 min
Feb 27, 3:20 PM CST	Winter Weather Advisory	SGF	Barton, Benton, Camden, Cedar, Christian, Dade and 24 more	29 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2009 Every severe thunderstorm warning in 2009

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.