Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Kansas City, MO

May 22, 2011Macon County, Missouri

NWS Kansas City, MO issued this special weather statement at May 22, 2011, 2:08 AM CDT for Macon County, Missouri. It was in force for 52 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 22, 2011, 2:08 AM CDT (07:08 UTC)
Expired: May 22, 2011, 3:00 AM CDT
In force: 52 min
Issued by: NWS Kansas City, MO

County Macon County, MO

The radar

The Pleasant Hill radar (KEAX), 195 km from the middle of the area, began a volume at 07:09 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

Davenport, (KDVN), launched 00:00Z, 7.1 hours before the alert went out and 255 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: 553 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1729 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 59 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.

789 
WWUS83 KEAX 220708
SPSEAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
208 AM CDT SUN MAY 22 2011

MOZ025-033-220800-
MACON MO-RANDOLPH MO-
208 AM CDT SUN MAY 22 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN RANDOLPH AND MACON
COUNTIES UNTIL 300 AM CDT...

AT 204 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CALLAO TO MACON TO
CAIRO...AND MOVING EAST AT 90 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS.

LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...
  LA PLATA AND ATLANTA.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4003 9252 4003 9235 3995 9235 3994 9229
      3954 9230 3956 9252 3985 9274
TIME...MOT...LOC 0708Z 252DEG 77KT 3985 9254 3974 9237
          3959 9234

$$

DB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:03 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Platte	27 min
May 21, 7:15 PM CDT	Tornado Warning	EAX	Andrew, Holt	30 min
May 21, 7:21 PM CDT	Special Weather Statement	EAX	Buchanan, Platte	24 min
May 21, 7:27 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Gentry, Platte	33 min
May 21, 7:29 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	31 min
May 21, 7:41 PM CDT	Tornado Warning	EAX	Andrew, DeKalb, Gentry, Nodaway	34 min
May 21, 7:46 PM CDT	Special Weather Statement	EAX	Holt	29 min
May 21, 7:50 PM CDT	Special Weather Statement	EAX	Worth	40 min
May 21, 7:55 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton, Daviess, DeKalb	35 min
May 21, 8:02 PM CDT	Special Weather Statement	EAX	Nodaway	28 min
May 21, 8:07 PM CDT	Tornado Warning	EAX	Andrew, Daviess, Gentry, Harrison, Nodaway	23 min
May 21, 8:08 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	22 min
May 21, 8:19 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Worth	26 min
May 21, 8:26 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton, Daviess, DeKalb, Livingston	34 min
May 21, 8:29 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton, DeKalb, Platte	36 min
May 21, 8:34 PM CDT	Special Weather Statement	EAX	Holt	26 min
May 21, 8:38 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	37 min
May 21, 8:46 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	29 min
May 21, 8:54 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	36 min
May 21, 9:07 PM CDT	Special Weather Statement	EAX	Mercer, Putnam	38 min
May 21, 9:13 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	32 min
May 21, 9:15 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton, DeKalb	45 min
May 21, 9:23 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	37 min
May 21, 9:23 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Livingston, Mercer, Putnam, Sullivan	37 min
May 21, 9:38 PM CDT	Areal Flood Advisory	EAX	Buchanan, Platte	4 hr
May 21, 9:44 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb	31 min
May 21, 9:44 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	35 min
May 21, 10:01 PM CDT	Special Weather Statement	EAX	Putnam, Schuyler, Sullivan	44 min
May 21, 10:09 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	17 min
May 21, 10:11 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	21 min
May 21, 10:15 PM CDT	Special Weather Statement	EAX	Clinton	30 min
May 21, 10:35 PM CDT	Special Weather Statement	EAX	Clay	25 min
May 21, 10:51 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton	24 min
May 21, 11:17 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	28 min
May 21, 11:26 PM CDT	Special Weather Statement	EAX	Livingston	49 min
May 21, 11:41 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	34 min
May 22, 1:25 AM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard, Macon, Randolph, Saline	33 min
May 22, 2:17 AM CDT	Special Weather Statement	EAX	Macon	43 min
May 22, 4:04 AM CDT	River Flood Warning	EAX	Buchanan, Platte	126 days
May 22, 1:30 PM CDT	Special Weather Statement	EAX	Caldwell	45 min
May 22, 1:42 PM CDT	Special Weather Statement	EAX	Ray	48 min
May 22, 2:16 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette, Ray	29 min
May 22, 2:40 PM CDT	Special Weather Statement	EAX	Lafayette	35 min
May 22, 2:43 PM CDT	Special Weather Statement	EAX	Sullivan	32 min
May 22, 2:44 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette, Ray	46 min
May 22, 3:02 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette	28 min
May 22, 3:09 PM CDT	Tornado Warning	EAX	Carroll, Lafayette	36 min
May 22, 3:14 PM CDT	Special Weather Statement	EAX	Carroll	46 min
May 22, 3:41 PM CDT	Special Weather Statement	EAX	Schuyler	49 min
May 22, 3:44 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	31 min
May 22, 3:45 PM CDT	Tornado Warning	EAX	Carroll, Lafayette, Saline	30 min
May 22, 4:03 PM CDT	Tornado Warning	EAX	Lafayette, Saline	27 min
May 22, 4:05 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	25 min
May 22, 4:12 PM CDT	Tornado Warning	EAX	Carroll, Saline	18 min
May 22, 4:24 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson	36 min
May 22, 4:29 PM CDT	Special Weather Statement	EAX	Chariton	46 min
May 22, 4:30 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Saline	30 min
May 22, 4:38 PM CDT	Special Weather Statement	EAX	Cooper	52 min
May 22, 4:44 PM CDT	Tornado Warning	EAX	Chariton, Howard, Saline	31 min
May 22, 4:59 PM CDT	Severe Thunderstorm Warning	EAX	Saline	31 min
May 22, 5:03 PM CDT	Tornado Warning	EAX	Henry	27 min
May 22, 5:07 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	23 min
May 22, 5:15 PM CDT	Tornado Warning	EAX	Chariton, Howard, Randolph	45 min
May 22, 5:16 PM CDT	Severe Thunderstorm Warning	EAX	Henry	29 min
May 22, 5:20 PM CDT	Special Weather Statement	EAX	Pettis	40 min
May 22, 5:29 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	46 min
May 22, 5:34 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	12 min
May 22, 5:45 PM CDT	Severe Thunderstorm Warning	EAX	Henry	30 min
May 22, 5:56 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Saline	34 min
May 22, 6:00 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Randolph	30 min
May 22, 6:15 PM CDT	Severe Thunderstorm Warning	EAX	Henry	13 min
May 21, 7:34 PM CDT	Tornado Warning	EAX	Atchison, Leavenworth	41 min
May 21, 8:01 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	44 min
May 21, 8:12 PM CDT	Tornado Warning	EAX	Leavenworth	33 min
May 21, 9:34 PM CDT	Special Weather Statement	EAX	Atchison	26 min
May 21, 9:50 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	25 min
May 21, 10:54 PM CDT	Tornado Warning	EAX	Johnson, Miami	51 min
May 21, 11:29 PM CDT	Tornado Warning	EAX	Miami	31 min
May 22, 1:27 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	32 hr
May 22, 3:23 PM CDT	Special Weather Statement	EAX	Linn	37 min

Nearby

Special Weather Statements in Missouri, 2011 Every special weather statement in 2011

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.