Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 895

May 9, 2003Adams County, Illinois; 26 counties in Kansas; 61 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 9, 2003, 10:04 PM CDT for Adams County, Illinois; 26 counties in Kansas; 61 counties in Missouri. It was in force for 26 min.

The area

The outline as issued.

The facts

Issued: May 9, 2003, 10:04 PM CDT (03:04 UTC)
Expired: May 9, 2003, 10:30 PM CDT
In force: 26 min
Issued by: the Storm Prediction Center

All 88 counties

Adams County, IL, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Nodaway County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Platte County, MO, Polk County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Warren County, MO

The radar

The Pleasant Hill radar (KEAX), 22 km from the middle of the area, began a volume at 03:05 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.1 hours before the alert went out and 125 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: 173 J/kg
Mixed-layer CIN: -412 J/kg
Mixed-layer LCL: 1579 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

552 
ACUS11 KWNS 100304
SWOMCD
SPC MCD 100304 
MOZ000-ILZ000-IAZ000-KSZ000-NEZ000-100330-

MESOSCALE DISCUSSION 0895
NWS STORM PREDICTION CENTER NORMAN OK
1004 PM CDT FRI MAY 09 2003

AREAS AFFECTED...PORTIONS OF ERN KS/WRN-NRN MO

CONCERNING...TORNADO WATCH 321...

VALID 100304Z - 100330Z

NEW WW WILL BE ISSUED SOON FOR PORTIONS OF ERN KS INTO WRN-NRN MO.

STORMS CONTINUE TO DEVELOP ALONG THE SURFACE FRONT FROM SERN KS INTO
WRN/NWRN MO.  AIR MASS IS PROGGED TO CONTINUE TO DESTABILIZE OVER
THIS REGION OVERNIGHT...SUPPORTING ADDITIONAL STORMS ALONG AND NEAR
THE BOUNDARY.  SUPERCELLS WILL BE LIKELY WITH LARGE HAIL/ DAMAGING
WIND THE PRIMARY THREATS.

..PETERS.. 05/10/2003

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LSX...DVN...SGF...EAX...OAX...TOP...ICT...

37029660 39259590 40439498 40409131 38919088 37249371

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:47 PM CDT	Mesoscale Discussion	SPC	Calhoun, Greene, Morgan, Pike, Scott	88 min
May 9, 8:40 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clinton, Coles and 18 more	2 hr
May 9, 10:40 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Cass, Champaign, DeWitt, Ford, Fulton and 22 more	5 hr
May 10, 5:43 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, Fulton and 15 more	92 min
May 10, 5:50 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more	5 hr
May 10, 8:30 AM CDT	Tornado Watch	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more	6 hr
May 10, 9:25 AM CDT	Mesoscale Discussion	SPC	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more	2 hr
May 10, 10:39 AM CDT	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more	2 hr
May 10, 10:54 AM CDT	Mesoscale Discussion	SPC	Adams, Alexander, Bond, Brown, Calhoun, Cass and 69 more	66 min
May 10, 12:38 PM CDT	Mesoscale Discussion	SPC	Clay, Crawford, Jasper, Lawrence, Richland	97 min
May 10, 3:17 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson, Mercer, Rock Island	58 min
May 10, 3:50 PM CDT	Tornado Watch	SPC	Bureau, Carroll, Fulton, Henderson, Henry, Jo Daviess and 14 more	6 hr
May 10, 4:00 PM CDT	Tornado Watch	SPC	Franklin, Jackson, Perry, Randolph, Union	5 hr
May 10, 4:48 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more	87 min
May 10, 5:40 PM CDT	Tornado Watch	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 21 more	5 hr
May 10, 6:41 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 14 more	64 min
May 9, 7:45 PM CDT	Tornado Watch	SPC	Butler, Chase, Coffey, Cowley, Elk, Greenwood and 7 more	5 hr
May 9, 11:00 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 14 more	6 hr
May 10, 12:49 AM CDT	Mesoscale Discussion	SPC	Atchison, Barber, Brown, Butler, Chase, Clay and 24 more	86 min
May 10, 1:15 AM CDT	Severe Thunderstorm Watch	SPC	Atchison, Barber, Brown, Butler, Chase, Clay and 25 more	5 hr
May 10, 2:28 AM CDT	Mesoscale Discussion	SPC	Atchison, Barber, Brown, Butler, Chase, Clay and 25 more	92 min
May 10, 3:05 AM CDT	Tornado Watch	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 17 more	5 hr
May 10, 3:15 AM CDT	Severe Thunderstorm Watch	SPC	Atchison, Brown, Doniphan, Douglas, Geary, Jackson and 10 more	5 hr
May 10, 5:27 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 20 more	93 min
May 10, 7:06 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Geary, Jackson and 10 more	54 min
May 10, 9:16 AM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Labette, Montgomery, Neosho, Wilson	3 hr
May 10, 10:58 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Coffey and 18 more	2 hr
May 10, 11:35 AM CDT	Tornado Watch	SPC	Linn, Miami	7 hr
May 10, 11:55 AM CDT	Tornado Watch	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more	7 hr
May 10, 1:42 PM CDT	Mesoscale Discussion	SPC	Miami	2 hr
May 10, 1:59 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more	2 hr
May 10, 1:22 AM CDT	Mesoscale Discussion	SPC	Newton	83 min
May 10, 3:30 PM CDT	Mesoscale Discussion	SPC	Crawford, Dent, Douglas, Franklin, Gasconade, Howell and 16 more	2 hr

Nearby

Mesoscale Discussions in Missouri, 2003 Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Illinois, 2003 Every mesoscale discussion in 2003

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.