Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 1, NWS Springfield, MO

January 21, 2018Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Jan 21, 2018, 8:03 PM CST for Lawrence County, Missouri. It was in force for 27 min. 2 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: Jan 21, 2018, 8:03 PM CST (02:03 UTC)
Expired: Jan 21, 2018, 8:30 PM CST
In force: 27 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Lawrence County, MO

The radar

The Springfield radar (KSGF), 36 km from the middle of the area, began a volume at 02:04 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
Jan 21, 8:04 PM CST	TORNADO	2 Se Hoberg, MO	COUPLE OF BUILDINGS DOWN ON FARM ROAD 2155 2 AND A HALF MILES SOUTH OF MT VERNON. ALSO REPORTS OF TREES DOWN. THIS IS RIGHT NEAR THE LOCATION OF A WELL DEFINED DROP IN CORRELATION COEFFICIENT. TORNADO LIKELY OCCURRED AT THIS LOCATION.
Jan 21, 8:04 PM CST	TORNADO	2 Se Hoberg, MO	A NATIONAL WEATHER SERVICE STORM SURVEY REVEALED THAT AN EF-1 TORNADO TOUCHED DOWN APPROXIMATELY TWO MILES SOUTHEAST OF HOBERG. THE TORNADO PATH WAS ONE MILE IN LENGTH, AND ROUGHLY 75 YARDS IN WIDTH. FOUR OUTBUILDINGS, AN IRRIGATION SYSTEM, TWO SKI BOATS, AND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 21 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: 87 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 971 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

803 
WFUS53 KSGF 220203
TORSGF
MOC109-220230-
/O.NEW.KSGF.TO.W.0001.180122T0203Z-180122T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Springfield MO
803 PM CST SUN JAN 21 2018

The National Weather Service in Springfield has issued a

* Tornado Warning for...
  Eastern Lawrence County in southwestern Missouri...

* Until 830 PM CST
    
* At 802 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Mount Vernon, moving northeast at 45 mph.

  HAZARD...Tornado. 

  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...
  Mount Vernon...                   Halltown...
  Freistatt...                      Hoberg...
  Chesapeake...                     

This includes Interstate 44 between mile markers 42 and 58.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3696 9384 3704 9392 3722 9379 3728 9361
      3707 9361
TIME...MOT...LOC 0202Z 227DEG 37KT 3705 9381 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Griffin

4 follow-up statements

188 
WWUS53 KSGF 220207
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
807 PM CST SUN JAN 21 2018

MOC109-220230-
/O.CON.KSGF.TO.W.0001.000000T0000Z-180122T0230Z/
Lawrence MO-
807 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR EASTERN
LAWRENCE COUNTY...
        
At 807 PM CST, a confirmed tornado was located over Mount Vernon,
moving northeast at 40 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...
Mount Vernon...                   Halltown...
Freistatt...                      Hoberg...
Chesapeake...                     

This includes Interstate 44 between mile markers 42 and 58.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3696 9384 3704 9392 3722 9379 3728 9361
      3707 9361
TIME...MOT...LOC 0207Z 218DEG 33KT 3708 9380 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Griffin

340 
WWUS53 KSGF 220212
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
812 PM CST SUN JAN 21 2018

MOC109-220230-
/O.CON.KSGF.TO.W.0001.000000T0000Z-180122T0230Z/
Lawrence MO-
812 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
NORTHEASTERN LAWRENCE COUNTY...
        
At 812 PM CST, a confirmed tornado was located over Mount Vernon,
moving northeast at 40 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...
Mount Vernon...                   Halltown...
Chesapeake...                     

This includes Interstate 44 between mile markers 43 and 58.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3706 9380 3709 9387 3722 9379 3728 9361
      3712 9361
TIME...MOT...LOC 0212Z 223DEG 34KT 3710 9380 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Griffin

912 
WWUS53 KSGF 220219
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
819 PM CST SUN JAN 21 2018

MOC109-220230-
/O.CON.KSGF.TO.W.0001.000000T0000Z-180122T0230Z/
Lawrence MO-
819 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
NORTHEASTERN LAWRENCE COUNTY...
    
At 818 PM CST, a severe thunderstorm capable of producing a tornado
was located near Miller, or near Mount Vernon, moving northeast at 40
mph.

HAZARD...Tornado. 

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...
Halltown...                       

This includes Interstate 44 between mile markers 48 and 58.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3710 9376 3713 9382 3722 9379 3728 9361
      3717 9361
TIME...MOT...LOC 0218Z 218DEG 33KT 3718 9375 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Griffin

747 
WWUS53 KSGF 220226
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
826 PM CST SUN JAN 21 2018

MOC109-220236-
/O.EXP.KSGF.TO.W.0001.000000T0000Z-180122T0230Z/
Lawrence MO-
826 PM CST SUN JAN 21 2018

...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE COUNTY WILL EXPIRE
AT 830 PM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3710 9376 3713 9382 3722 9379 3728 9361
      3717 9361
TIME...MOT...LOC 0226Z 227DEG 37KT 3723 9368 

$$

Griffin

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 6:06 PM CST	Special Weather Statement	SGF	Lawrence	39 min
Jan 21, 8:00 PM CST	Special Weather Statement	SGF	Lawrence	30 min
Jan 21, 8:37 PM CST	Severe Thunderstorm Warning	SGF	Barry, Lawrence	38 min
Jan 21, 9:10 PM CST	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	38 min
Jan 21, 9:27 PM CST	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Taney, Webster	37 min
Jan 21, 9:32 PM CST	Tornado Warning	SGF	Christian, Douglas, Webster	28 min
Jan 21, 10:10 PM CST	Tornado Warning	SGF	Wright	20 min
Jan 21, 11:25 PM CST	Severe Thunderstorm Warning	SGF	Ozark	55 min
Jan 21, 11:47 PM CST	Severe Thunderstorm Warning	SGF	Douglas, Howell	43 min
Jan 22, 12:12 AM CST	Special Weather Statement	SGF	Texas	48 min
Jan 22, 12:59 AM CST	Special Weather Statement	SGF	Howell	31 min
Jan 22, 1:06 AM CST	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	54 min
Jan 22, 1:40 AM CST	Severe Thunderstorm Warning	SGF	Oregon, Shannon	54 min

Nearby

Tornado Warnings in Missouri, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.