Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 7, NWS Springfield, MO

March 6, 2017Dallas County, Laclede County, Missouri

NWS Springfield, MO issued this tornado warning at Mar 6, 2017, 10:49 PM CST for Dallas County, Laclede County, Missouri. It was in force for 41 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: Mar 6, 2017, 10:49 PM CST (04:49 UTC)
Expired: Mar 6, 2017, 11:30 PM CST
In force: 41 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Dallas County, MO, Laclede County, MO

The radar

The Springfield radar (KSGF), 74 km from the middle of the area, began a volume at 04:47 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 6, 11:10 PM CST	TSTM WND DMG	4 Nnw I-44 Near Mile Ma, MO	STRUCTURAL DAMAGE HWY 32.
Mar 6, 11:10 PM CST	TSTM WND DMG	4 Nw I-44 Near Mile Mar, MO	STRUCTURAL DAMAGE HWY 32.
Mar 6, 11:11 PM CST	TSTM WND DMG	3 Wsw I-44 Near Mile Ma, MO	HOUSE STRUCTURAL DAMAGE. UNSPECIFIED SEVERITY. TIME ESTIMATED. .

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 6, 6:51 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.8 hours before the alert went out and 125 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: 629 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 542 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

As transmitted.

662 
WFUS53 KSGF 070449
TORSGF
MOC059-105-070530-
/O.NEW.KSGF.TO.W.0007.170307T0449Z-170307T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
1049 PM CST MON MAR 6 2017

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Northeastern Dallas County in southwestern Missouri...
  West central Laclede County in southwestern Missouri...

* Until 1130 PM CST
    
* At 1049 PM CST, a severe thunderstorm capable of producing a
  tornado was located 11 miles west of Lebanon, moving east at 60
  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...
  Lebanon...                        Bennett Spring State Park...
  Bennett Springs...                Windyville...
  Plad...                           Long Lane...
  Sleeper...                        Dry Knob...

This includes Interstate 44 near mile marker 119, and between mile
markers 121 and 143.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3759 9301 3780 9300 3779 9241 3759 9241
TIME...MOT...LOC 0449Z 263DEG 52KT 3768 9288 

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

$$

Griffin

2 follow-up statements

655 
WWUS53 KSGF 070505
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1105 PM CST MON MAR 6 2017

MOC059-070515-
/O.CAN.KSGF.TO.W.0007.000000T0000Z-170307T0530Z/
Dallas MO-
1105 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR NORTHEASTERN DALLAS 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 300 AM CST for central and
southwestern Missouri.

LAT...LON 3759 9280 3779 9266 3779 9241 3759 9241
TIME...MOT...LOC 0505Z 265DEG 52KT 3768 9259 

$$

MOC105-070530-
/O.CON.KSGF.TO.W.0007.000000T0000Z-170307T0530Z/
Laclede MO-
1105 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR CENTRAL
LACLEDE COUNTY...
    
At 1105 PM CST, a severe thunderstorm capable of producing a tornado
was located near Lebanon, moving east at 60 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...
Lebanon...                        Dry Knob...
Sleeper...                        

This includes Interstate 44 near mile marker 119, and between mile
markers 121 and 143.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3759 9280 3779 9266 3779 9241 3759 9241
TIME...MOT...LOC 0505Z 265DEG 52KT 3768 9259 

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

$$

Griffin

061 
WWUS53 KSGF 070527
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1127 PM CST MON MAR 6 2017

MOC105-070536-
/O.EXP.KSGF.TO.W.0007.000000T0000Z-170307T0530Z/
Laclede MO-
1127 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR CENTRAL LACLEDE COUNTY WILL EXPIRE AT 1130
PM CST...
                
The storm which prompted the warning has weakened, and no longer 
appears capable of producing a tornado. Therefore, the warning will 
be allowed to expire.

A tornado watch remains in effect until 300 AM CST for central and
southwestern Missouri.

LAT...LON 3759 9280 3779 9266 3779 9241 3759 9241
TIME...MOT...LOC 0526Z 263DEG 52KT 3771 9223 

$$

Frye

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 8:51 PM CST	Severe Thunderstorm Warning	SGF	Vernon	39 min
Mar 6, 9:07 PM CST	Severe Thunderstorm Warning	SGF	Barton, Vernon	53 min
Mar 6, 9:09 PM CST	Special Weather Statement	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 4 more	81 min
Mar 6, 9:16 PM CST	Severe Thunderstorm Warning	SGF	Barton, Jasper	59 min
Mar 6, 9:19 PM CST	Severe Thunderstorm Warning	SGF	Benton, Hickory, St. Clair	56 min
Mar 6, 9:21 PM CST	Tornado Warning	SGF	Cedar, St. Clair, Vernon	24 min
Mar 6, 9:35 PM CST	Severe Thunderstorm Warning	SGF	Cedar	55 min
Mar 6, 9:40 PM CST	Special Weather Statement	SGF	Douglas, Howell, Ozark, Stone, Taney	65 min
Mar 6, 9:40 PM CST	Tornado Warning	SGF	St. Clair	19 min
Mar 6, 9:43 PM CST	Severe Thunderstorm Warning	SGF	Morgan	62 min
Mar 6, 10:00 PM CST	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Greene, Jasper, Lawrence and 3 more	60 min
Mar 6, 10:11 PM CST	Severe Thunderstorm Warning	SGF	Benton, Camden, Dallas, Hickory, Laclede, Miller and 2 more	64 min
Mar 6, 10:14 PM CST	Severe Thunderstorm Warning	SGF	Barry, Lawrence, McDonald, Newton	61 min
Mar 6, 10:19 PM CST	Severe Thunderstorm Warning	SGF	Christian, Dallas, Greene, Laclede, Lawrence, Polk and 1 more	56 min
Mar 6, 10:29 PM CST	Tornado Warning	SGF	Camden, Miller, Morgan	31 min
Mar 6, 10:41 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, McDonald, Stone	64 min
Mar 6, 10:50 PM CST	Tornado Warning	SGF	Camden, Miller, Pulaski	40 min
Mar 6, 11:02 PM CST	Severe Thunderstorm Warning	SGF	Christian, Dallas, Douglas, Greene, Laclede, Pulaski and 3 more	58 min
Mar 6, 11:09 PM CST	Severe Thunderstorm Warning	SGF	Barry, Christian, Douglas, Stone, Taney	66 min
Mar 6, 11:12 PM CST	Severe Thunderstorm Warning	SGF	Camden, Laclede, Maries, Miller, Phelps, Pulaski	63 min
Mar 6, 11:13 PM CST	Severe Thunderstorm Warning	SGF	Ozark, Taney	47 min
Mar 6, 11:41 PM CST	Tornado Warning	SGF	Maries, Phelps	34 min
Mar 6, 11:43 PM CST	Tornado Warning	SGF	Douglas, Howell, Ozark	47 min
Mar 6, 11:51 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney	54 min
Mar 6, 11:58 PM CST	Severe Thunderstorm Warning	SGF	Christian, Laclede, Pulaski, Texas, Webster, Wright	62 min
Mar 7, 12:12 AM CST	Severe Thunderstorm Warning	SGF	Dent	63 min
Mar 7, 12:19 AM CST	Tornado Warning	SGF	Howell	41 min
Mar 7, 12:34 AM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark, Taney	56 min
Mar 7, 12:41 AM CST	Tornado Warning	SGF	Oregon, Shannon	49 min
Mar 7, 1:23 AM CST	Special Weather Statement	SGF	Howell, Oregon	52 min
Mar 7, 2:14 AM CST	Severe Thunderstorm Warning	SGF	Oregon	13 min
Mar 7, 2:10 PM CST	Fire Weather Watch	SGF	Barton, Benton, Cedar, Dade, Hickory, Jasper and 5 more	13 hr

Nearby

Tornado Warnings in Missouri, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.