Alert archive / Missouri / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 49, NWS Kansas City, MO

March 29, 2017Linn County, Sullivan County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 29, 2017, 7:20 PM CDT for Linn County, Sullivan County, Missouri. It was in force for 25 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
Mar 29, 2017, 7:20 PM CDT (00:20 UTC)
Expired
Mar 29, 2017, 7:45 PM CDT
In force
25 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Linn County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 162 km from the middle of the area, began a volume at 00:22 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 nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 0.3 hours before the alert went out and 236 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, Topeka, KS at 00:00Z on 2017-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 371 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, Topeka, KS at 00:00Z on 2017-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
371 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

820 
WUUS53 KEAX 300020
SVREAX
MOC115-211-300045-
/O.NEW.KEAX.SV.W.0049.170330T0020Z-170330T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
720 PM CDT WED MAR 29 2017

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Western Linn County in north central Missouri...
  Southwestern Sullivan County in north central Missouri...

* Until 745 PM CDT

* At 719 PM CDT, a severe thunderstorm was located near Laclede, or 9
  miles southwest of Brookfield, moving north at 60 mph.

  HAZARD...Quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Damage to vehicles is expected. 

* Locations impacted include...
  Brookfield, Milan, Meadville, Laclede, Linneus, Browning, Purdin,
  Humphreys, Osgood and Reger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4021 9299 3971 9309 3970 9332 3971 9332
      4020 9337 4021 9336 4022 9336
TIME...MOT...LOC 0019Z 184DEG 51KT 3972 9322 

HAIL...1.00IN
WIND...<50MPH
 
$$

Leighton
2 follow-up statements
913 
WWUS53 KEAX 300037
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
737 PM CDT WED MAR 29 2017

MOC115-211-300045-
/O.CON.KEAX.SV.W.0049.000000T0000Z-170330T0045Z/
Linn MO-Sullivan MO-
737 PM CDT WED MAR 29 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHWESTERN LINN AND SOUTHWESTERN SULLIVAN COUNTIES...

At 737 PM CDT, a severe thunderstorm was located near Browning, or 15
miles northwest of Brookfield, moving north at 60 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Milan, Browning, Purdin, Humphreys, Osgood and Reger. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4021 9299 3989 9314 3990 9332 4020 9337
      4021 9336 4022 9336
TIME...MOT...LOC 0037Z 184DEG 51KT 3998 9320 

HAIL...1.00IN
WIND...<50MPH
 
$$

Leighton
617 
WWUS53 KEAX 300045
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
745 PM CDT WED MAR 29 2017

MOC115-211-300055-
/O.EXP.KEAX.SV.W.0049.000000T0000Z-170330T0045Z/
Linn MO-Sullivan MO-
745 PM CDT WED MAR 29 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LINN AND
SOUTHWESTERN SULLIVAN COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire.

LAT...LON 4021 9299 3989 9314 3990 9332 4020 9337
      4021 9336 4022 9336
TIME...MOT...LOC 0045Z 184DEG 51KT 4008 9319 

$$

Leighton

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 7:09 PM CDTSpecial Weather StatementEAXJackson36 min
Mar 29, 8:45 PM CDTAreal Flood AdvisoryEAXHenry, Johnson3 hr
Mar 29, 8:52 PM CDTSpecial Weather StatementEAXSchuyler23 min
Mar 29, 9:17 PM CDTSevere Thunderstorm WarningEAXChariton, Macon, Randolph28 min
Mar 29, 9:27 PM CDTSpecial Weather StatementEAXCarroll33 min
Mar 29, 9:44 PM CDTSevere Thunderstorm WarningEAXAdair, Macon31 min
Mar 29, 9:57 PM CDTSpecial Weather StatementEAXCarroll33 min
Mar 29, 10:36 PM CDTSpecial Weather StatementEAXLinn24 min
Mar 30, 12:35 AM CDTRiver Flood WarningEAXCarroll24 hr
Mar 30, 5:48 AM CDTRiver Flood WarningEAXJohnson, Pettis25 hr
Mar 30, 7:06 AM CDTRiver Flood WarningEAXCooper, Saline63 hr
Mar 30, 1:53 PM CDTRiver Flood WarningEAXBuchanan40 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.