Alert archive / Missouri / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 98, NWS St. Louis, MO

May 27, 2017Boone County, Cole County, Moniteau County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 2017, 2:24 PM CDT for Boone County, Cole County, Moniteau County, Missouri. It was in force for 51 min. 4 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
May 27, 2017, 2:24 PM CDT (19:24 UTC)
Expired
May 27, 2017, 3:15 PM CDT
In force
51 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Boone County, MO, Cole County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 154 km from the middle of the area, began a volume at 19:23 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

TimeReportWhereRemark
May 27, 2:30 PM CDTTSTM WND DMG2 Nw Brazito, MONUMEROUS TREE LIMBS DOWN ALONG RT D.
May 27, 2:42 PM CDTTSTM WND DMGCalifornia, MOTREES DOWNED AND TRANSFORMER CAUGHT FIRE. TIME ESTIMATED FROM RADAR.
May 27, 3:02 PM CDTTSTM WND GST 592 Nw Ashland, MO
May 27, 3:05 PM CDTTSTM WND DMG4 Nne Ashland, MOREPORTED AT COLUMBIA REGIONAL AIRPORT. SEVERAL TENTS BLOWN OVER AT AIRSHOW.

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.

IssuedProductOfficeLasted
May 27, 12:13 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 224 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3187 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2017-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
3187 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
766 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
1.8
Supercell composite
9.6

Open this sounding in Storm Lab

The text

As transmitted.

602 
WUUS53 KLSX 271924
SVRLSX
MOC019-051-135-272015-
/O.NEW.KLSX.SV.W.0098.170527T1924Z-170527T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
224 PM CDT SAT MAY 27 2017

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  Cole County in central Missouri...
  Southern Boone County in central Missouri...
  Moniteau County in central Missouri...

* Until 315 PM CDT.

* At 224 PM CDT, severe thunderstorms were located along a line
  extending from 9 miles north of Pilot Grove to near Tipton to 9
  miles south of Stover, moving east at 45 mph.

  HAZARD...60 mph wind gusts and nickel size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Columbia, Jefferson City, California, Ashland, Tipton, Columbia
  Regional Airport, St. Martins, Russellville, Jamestown, Clarksburg,
  Centertown, St. Thomas, Easley, High Point, McGirk, Hickory Hill,
  Brazito, Marion, Lohman and Eugene.

This includes Interstate 70 in Missouri between exits 115 and 133.
 
This also includes  Rock Bridge State Park and Jewell Cemetery
Historic Site.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM CDT for central
Missouri.

LAT...LON 3868 9284 3868 9262 3892 9250 3898 9256
      3897 9215 3872 9219 3870 9223 3864 9222
      3863 9220 3834 9221 3833 9228 3834 9229
      3834 9241 3843 9241 3843 9262 3856 9280
      3860 9284
TIME...MOT...LOC 1924Z 266DEG 39KT 3901 9297 3870 9287 3831 9299 

HAIL...0.88IN
WIND...60MPH
 
$$

CVKING
2 follow-up statements
052 
WWUS53 KLSX 272003
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
303 PM CDT SAT MAY 27 2017

MOC019-051-135-272015-
/O.CON.KLSX.SV.W.0098.000000T0000Z-170527T2015Z/
Cole MO-Boone MO-Moniteau MO-
303 PM CDT SAT MAY 27 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR COLE...SOUTHEASTERN BOONE AND EASTERN MONITEAU COUNTIES...

At 303 PM CDT, severe thunderstorms were located along a line
extending from near Midway to near Easley to 6 miles east of Eldon,
moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Columbia, Jefferson City, Ashland, Columbia Regional Airport, St.
Martins, Russellville, Centertown, St. Thomas, Easley, Brazito,
McGirk, Hickory Hill, Marion, Lohman, Eugene, Hartsburg, Lupus,
McBaine, Elston and Sandy Hook.

This also includes  Rock Bridge State Park and Jewell Cemetery
Historic Site.
 
This includes Interstate 70 in Missouri between exits 121 and 133.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 700 PM CDT for central
Missouri.

LAT...LON 3897 9215 3872 9219 3870 9223 3864 9222
      3863 9220 3834 9221 3833 9228 3834 9229
      3834 9241 3843 9241 3843 9249 3898 9245
TIME...MOT...LOC 2003Z 266DEG 39KT 3904 9244 3873 9234 3834 9246 

HAIL...0.88IN
WIND...60MPH
 
$$

CVKING
601 
WWUS53 KLSX 272014
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
314 PM CDT SAT MAY 27 2017

MOC019-051-135-272024-
/O.EXP.KLSX.SV.W.0098.000000T0000Z-170527T2015Z/
Cole MO-Boone MO-Moniteau MO-
314 PM CDT SAT MAY 27 2017

...THE SEVERE THUNDERSTORM WARNING FOR COLE...SOUTHEASTERN BOONE AND
EASTERN MONITEAU COUNTIES WILL EXPIRE AT 315 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 700 PM CDT for central
Missouri.

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

LAT...LON 3897 9215 3872 9219 3870 9223 3864 9222
      3863 9220 3834 9221 3833 9228 3834 9229
      3834 9241 3843 9241 3843 9249 3898 9245
TIME...MOT...LOC 2014Z 266DEG 39KT 3905 9230 3874 9220 3835 9232 

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 11:37 AM CDTSpecial Weather StatementLSXGasconade38 min
May 27, 11:51 AM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Osage39 min
May 27, 12:31 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Washington44 min
May 27, 12:55 PM CDTTornado WarningLSXCrawford11 min
May 27, 1:14 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Osage46 min
May 27, 1:21 PM CDTTornado WarningLSXCole, Osage39 min
May 27, 1:33 PM CDTSpecial Weather StatementLSXSainte Genevieve42 min
May 27, 1:39 PM CDTSevere Thunderstorm WarningLSXBoone37 min
May 27, 1:44 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds61 min
May 27, 1:48 PM CDTSevere Thunderstorm WarningLSXCole, Osage42 min
May 27, 1:52 PM CDTTornado WarningLSXReynolds38 min
May 27, 1:56 PM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis, City of Saint Louis23 min
May 27, 1:58 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve51 min
May 27, 2:27 PM CDTTornado WarningLSXReynolds48 min
May 27, 2:58 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Osage47 min
May 27, 3:10 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds54 min
May 27, 3:35 PM CDTSevere Thunderstorm WarningLSXCallaway, Franklin, Gasconade, Montgomery, Osage, Warren55 min
May 27, 3:37 PM CDTSevere Thunderstorm WarningLSXMadison53 min
May 27, 4:06 PM CDTTornado WarningLSXCrawford, Iron, Reynolds, Washington54 min
May 27, 4:12 PM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis, Warren34 min
May 27, 4:19 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds56 min
May 27, 4:45 PM CDTSevere Thunderstorm WarningLSXMadison, Sainte Genevieve, Saint Francois45 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning 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.