Alert archive / Missouri / Tornado Watches in 2005
Tornado Watch 245
The Storm Prediction Center issued this tornado watch at May 11, 2005, 11:45 AM CDT for 12 counties in Kansas; 28 counties in Missouri; Pawnee County, Richardson County, Nebraska. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 11, 2005, 11:45 AM CDT (16:45 UTC)
- Expired
- May 11, 2005, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Atchison County, KS, Brown County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Pawnee County, NE, Richardson County, NE
The radar
The Pleasant Hill radar (KEAX), 124 km from the middle of the area, began a volume at 16:44 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.
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 1:01 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 44 min |
| May 11, 1:22 PM CDT | Tornado Warning | EAX | Leavenworth | 23 min |
| May 11, 1:22 PM CDT | Severe Thunderstorm Warning | EAX | Chariton | 38 min |
| May 11, 1:36 PM CDT | Tornado Warning | EAX | Chariton, Saline | 40 min |
| May 11, 1:45 PM CDT | Tornado Warning | EAX | Platte | 30 min |
| May 11, 1:53 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 52 min |
| May 11, 2:02 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 43 min |
| May 11, 2:13 PM CDT | Tornado Warning | EAX | Clay, Platte | 31 min |
| May 11, 2:17 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 43 min |
| May 11, 2:20 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 40 min |
| May 11, 2:23 PM CDT | Severe Thunderstorm Warning | EAX | Clinton | 45 min |
| May 11, 2:40 PM CDT | Severe Thunderstorm Warning | EAX | Atchison | 42 min |
| May 11, 2:40 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Howard, Saline | 44 min |
| May 11, 2:41 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 41 min |
| May 11, 2:43 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 13 min |
| May 11, 2:52 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Ray | 46 min |
| May 11, 2:55 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 50 min |
| May 11, 3:13 PM CDT | Severe Thunderstorm Warning | EAX | Ray | 47 min |
| May 11, 3:14 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth, Wyandotte | 32 min |
| May 11, 3:21 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 49 min |
| May 11, 3:43 PM CDT | Severe Thunderstorm Warning | EAX | Jackson, Lafayette, Ray | 33 min |
| May 11, 3:51 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth, Wyandotte | 39 min |
| May 11, 3:53 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie | 67 min |
| May 11, 4:10 PM CDT | Flash Flood Warning | EAX | Leavenworth, Wyandotte | 6 hr |
| May 11, 4:19 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Saline | 41 min |
| May 11, 4:24 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 38 min |
| May 11, 4:37 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 38 min |
| May 11, 4:47 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson | 28 min |
| May 11, 4:52 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 23 min |
| May 11, 4:56 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie | 64 min |
| May 11, 4:56 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Washington | 49 min |
| May 11, 4:56 PM CDT | Severe Thunderstorm Warning | EAX | Carroll | 29 min |
| May 11, 5:02 PM CDT | Flash Flood Warning | EAX | Carroll, Chariton, Howard, Randolph, Saline | 6 hr |
| May 11, 5:49 PM CDT | Flash Flood Warning | TOP | Pottawatomie | 3 hr |
| May 11, 5:54 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 51 min |
| May 11, 6:35 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 26 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 4.8 hours before the alert went out and 106 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.
- Mixed-layer CAPE
- 1968 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 111651
SEL5
SPC WW 111651
KSZ000-MOZ000-120000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 245
NWS STORM PREDICTION CENTER NORMAN OK
1145 AM CDT WED MAY 11 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHEAST KANSAS
NORTHERN MISSOURI
EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1145 AM UNTIL
700 PM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH OF MANHATTAN KANSAS
TO 25 MILES SOUTH SOUTHEAST OF KIRKSVILLE MISSOURI. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
DISCUSSION...WEAK MID LEVEL IMPULSE IS ENHANCING THUNDERSTORM
DEVELOPMENT WITHIN A STRONGLY UNSTABLE AND VERY WEAKLY CAPPED
ENVIRONMENT OVER NERN KS/NWRN MO LATE THIS MORNING. FURTHER HEATING
WILL INCREASE THE POTENTIAL FOR STORMS TO ROOT INTO THE BOUNDARY
LAYER...ESPECIALLY NEAR E-W SURFACE BOUNDARY EXTENDING ACROSS NRN MO
AND INTO NERN KS. LOW AND DEEP LAYER SHEAR REMAIN SUPPORTIVE OF
SUPERCELLS AND POSSIBLY TORNADOES WITH ANY STORM NEAR THIS
BOUNDARY...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS. LARGE
HAIL THREAT WILL BE DOMINANT SEVERE POTENTIAL FOR ELEVATED STORMS
NORTH OF THE FRONT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25025.
...EVANS
401,0964 402,0922 390,0922 385,0964SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Norton, Phillips, Rawlins, Smith | 7 hr |
| May 11, 8:41 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Doniphan, Douglas, Geary and 12 more | 2 hr |
| May 11, 2:36 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Ellis, Finney, Gove, Graham and 27 more | 114 min |
| May 11, 2:55 PM CDT | Tornado Watch | SPC | Clay, Cloud, Dickinson, Ellis, Geary, Jewell and 11 more | 7 hr |
| May 11, 3:10 PM CDT | Tornado Watch | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more | 7 hr |
| May 11, 3:41 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 4 more | 94 min |
| May 11, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | Johnson, Linn, Miami | 6 hr |
| May 11, 4:53 PM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Ellis, Geary, Jewell and 11 more | 97 min |
| May 11, 5:13 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more | 92 min |
| May 11, 5:25 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 13 more | 2 hr |
| May 11, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Jackson, Jefferson, Marshall, Nemaha, Pottawatomie and 1 more | 7 hr |
| May 11, 1:37 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Chariton, Clark, Howard, Knox and 11 more | 113 min |
| May 11, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Clark, Cole, Knox and 16 more | 6 hr |
| May 10, 9:14 PM CDT | Mesoscale Discussion | SPC | Burt, Butler, Colfax, Cuming, Dakota, Dodge and 10 more | 2 hr |
| May 11, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Arthur, Boone, Buffalo, Butler, Chase and 34 more | 8 hr |
| May 11, 4:00 PM CDT | Mesoscale Discussion | SPC | Antelope, Arthur, Blaine, Boone, Brown, Buffalo and 25 more | 2 hr |
Nearby
Tornado Watches in Missouri, 2005Tornado Watches in Kansas, 2005Tornado Watches in Nebraska, 2005Every tornado watch in 2005
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.