Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 33, NWS Kansas City, MO

May 6, 2012Howard County, Saline County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 6, 2012, 1:57 PM CDT for Howard County, Saline County, Missouri. It was in force for 33 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: May 6, 2012, 1:57 PM CDT (18:57 UTC)
Expired: May 6, 2012, 2:30 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Howard County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 127 km from the middle of the area, began a volume at 18:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 6, 1:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.0 hours before the alert went out and 240 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: 1880 J/kg
Mixed-layer CIN: -240 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

666 
WUUS53 KEAX 061857
SVREAX
MOC089-195-061930-
/O.NEW.KEAX.SV.W.0033.120506T1857Z-120506T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
157 PM CDT SUN MAY 6 2012

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HOWARD COUNTY IN CENTRAL MISSOURI...
  EAST CENTRAL SALINE COUNTY IN CENTRAL MISSOURI...

* UNTIL 230 PM CDT


AT 135 PM...TRAINED WEATHER SPOTTERS REPORTED NICKEL SIZE HAIL IN
SALISBURY.


* AT 154 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
  OF SLATER...AND MOVING EAST AT 10 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.

* LOCATIONS IMPACTED INCLUDE...
  GLASGOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3902 9270 3903 9292 3906 9294 3905 9296
      3921 9305 3924 9294 3922 9292 3922 9289
      3924 9287 3923 9285 3927 9282 3930 9272
TIME...MOT...LOC 1857Z 254DEG 9KT 3914 9297

HAIL...1.25IN
WIND...<50 MPH

$$

MELL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 8:34 AM CDT	Special Weather Statement	EAX	Harrison	26 min
May 6, 9:35 AM CDT	Special Weather Statement	EAX	Ray	40 min
May 6, 9:38 AM CDT	Special Weather Statement	EAX	Clay	37 min
May 6, 10:41 AM CDT	Special Weather Statement	EAX	Jackson	34 min
May 6, 11:02 AM CDT	Areal Flood Advisory	EAX	Jackson	5 hr
May 6, 12:12 PM CDT	Special Weather Statement	EAX	Jackson	33 min
May 6, 12:14 PM CDT	Special Weather Statement	EAX	Clinton	31 min
May 6, 12:28 PM CDT	Severe Thunderstorm Warning	EAX	Clinton, DeKalb	32 min
May 6, 12:59 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb	31 min
May 6, 1:24 PM CDT	Special Weather Statement	EAX	Chariton	51 min
May 6, 1:47 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Randolph	28 min
May 6, 2:15 PM CDT	Severe Thunderstorm Warning	EAX	Randolph	30 min
May 6, 4:31 PM CDT	Severe Thunderstorm Warning	EAX	Cass	29 min
May 6, 4:46 PM CDT	Special Weather Statement	EAX	Caldwell, Clinton	44 min
May 6, 4:47 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	28 min
May 6, 5:01 PM CDT	Severe Thunderstorm Warning	EAX	Cass	29 min
May 6, 5:16 PM CDT	Tornado Warning	EAX	Cass	29 min
May 6, 5:30 PM CDT	Special Weather Statement	EAX	Daviess	45 min
May 6, 5:34 PM CDT	Special Weather Statement	EAX	Cass	26 min
May 6, 5:39 PM CDT	Severe Thunderstorm Warning	EAX	Cass	36 min
May 6, 5:51 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	24 min
May 6, 6:02 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson	28 min
May 6, 6:15 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson	30 min
May 6, 6:18 PM CDT	Flash Flood Warning	EAX	Cass, Jackson	5 hr
May 6, 6:30 PM CDT	Severe Thunderstorm Warning	EAX	Cass	30 min
May 6, 6:45 PM CDT	Special Weather Statement	EAX	Gentry	45 min
May 6, 6:47 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette	28 min
May 6, 6:58 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	32 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012 Every severe thunderstorm warning in 2012

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.