Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 47, NWS Kansas City, MO

April 3, 20116 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 3, 2011, 10:41 PM CDT for 6 counties in Missouri. It was in force for 49 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 3, 2011, 10:41 PM CDT (03:41 UTC)
Expired
Apr 3, 2011, 11:30 PM CDT
In force
49 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Chariton County, MO, Cooper County, MO, Howard County, MO, Macon County, MO, Randolph County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 138 km from the middle of the area, began a volume at 03:42 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.

What was reported inside it

TimeReportWhereRemark
Apr 3, 10:55 PM CDTTSTM WND DMGArmstrong, MOMETAL ROOF BLOWN OFF OF A HOUSE.
Apr 3, 11:10 PM CDTTSTM WND DMGMoberly, MOTRACTOR TRAILER BLOWN OVER SOUTH OF THE CITY. ROOF BLOWN OFF OF A HOUSE ON RT JJ WEST OF TOWN.
Apr 3, 11:13 PM CDTTSTM WND GST 702 W Clark, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 14 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 3, 6:21 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.7 hours before the alert went out and 247 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 2011-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1873 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
1873 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
2220 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

731 
WUUS53 KEAX 040341
SVREAX
MOC041-053-089-121-175-195-040430-
/O.NEW.KEAX.SV.W.0047.110404T0341Z-110404T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1041 PM CDT SUN APR 3 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHARITON COUNTY IN NORTH CENTRAL MISSOURI...
  NORTHERN COOPER COUNTY IN CENTRAL MISSOURI...
  HOWARD COUNTY IN CENTRAL MISSOURI...
  SOUTHERN MACON COUNTY IN NORTH CENTRAL MISSOURI...
  RANDOLPH COUNTY IN NORTH CENTRAL MISSOURI...
  EASTERN SALINE COUNTY IN CENTRAL MISSOURI...

* UNTIL 1130 PM CDT


* AT 1037 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH...AND QUARTER SIZE HAIL.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTH OF BRUNSWICK TO 
  SLATER TO 12 MILES SOUTH OF MARSHALL...AND MOVING EAST AT 55 MPH.  
  THIS STORM HAS HAD A HISTORY OF PRODUCING DAMAGING WINDS IN EXCESS 
  OF 65 MPH IN MARSHALL.

* LOCATIONS IMPACTED INCLUDE...
  GLASGOW...SALISBURY...BOONVILLE...FAYETTE...HUNTSVILLE...MOBERLY...
  MACON...KEYTESVILLE...ARMSTRONG...NEW FRANKLIN...HIGBEE...CALLAO...
  BEVIER...CAIRO...NELSON...DALTON...ROTHVILLE...BLACKWATER...ARROW
  ROCK AND LAMINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3938 9233 3924 9237 3924 9243 3901 9256
      3897 9256 3891 9250 3887 9306 3893 9305
      3893 9311 3924 9309 3939 9316 3938 9312
      3940 9312 3943 9318 3961 9326 3970 9296
      3970 9286 3973 9286 3990 9229
TIME...MOT...LOC 0341Z 257DEG 49KT 3957 9310 3927 9295
          3898 9305
WIND...HAIL 70MPH 1.00IN

$$

DUX
2 follow-up statements
810 
WWUS53 KEAX 040408
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1108 PM CDT SUN APR 3 2011

MOC041-053-195-040417-
/O.CAN.KEAX.SV.W.0047.000000T0000Z-110404T0430Z/
COOPER MO-SALINE MO-CHARITON MO-
1108 PM CDT SUN APR 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR CHARITON...EASTERN SALINE AND 
NORTHERN COOPER COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED INTO MACON 
AND RANDOLPH COUNTIES.

LAT...LON 3938 9233 3924 9237 3924 9243 3914 9249
      3962 9270 3969 9269 3970 9273 3976 9276
      3990 9229
TIME...MOT...LOC 0407Z 257DEG 49KT 3965 9265 3935 9250
          3906 9261

$$

MOC089-121-175-040430-
/O.CON.KEAX.SV.W.0047.000000T0000Z-110404T0430Z/
HOWARD MO-RANDOLPH MO-MACON MO-
1108 PM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MACON...RANDOLPH AND NORTHEASTERN HOWARD COUNTIES UNTIL 1130 PM
CDT...

AT 1105 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH...AND QUARTER SIZE HAIL.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 9 MILES SOUTH OF CALLAO TO HIGBEE TO 6
MILES NORTHEAST OF NEW FRANKLIN...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOBERLY...MACON...CALLAO...BEVIER...CAIRO...RENICK...JACKSONVILLE
  AND EXCELLO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3938 9233 3924 9237 3924 9243 3914 9249
      3962 9270 3969 9269 3970 9273 3976 9276
      3990 9229
TIME...MOT...LOC 0407Z 257DEG 49KT 3965 9265 3935 9250
          3906 9261
WIND...HAIL 60MPH 1.00IN

$$

DH
657 
WWUS53 KEAX 040429
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1129 PM CDT SUN APR 3 2011

MOC089-121-175-040439-
/O.EXP.KEAX.SV.W.0047.000000T0000Z-110404T0430Z/
HOWARD MO-RANDOLPH MO-MACON MO-
1129 PM CDT SUN APR 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MACON...RANDOLPH AND 
NORTHEASTERN HOWARD COUNTIES WILL EXPIRE AT 1130 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.  HOWEVER GUSTY WINDS TO 45 MPH ARE STILL POSSIBLE 
BEHIND THIS LINE OF THUNDERSTORMS.

LAT...LON 3938 9233 3924 9237 3924 9243 3914 9249
      3962 9270 3969 9269 3970 9273 3976 9276
      3990 9229
TIME...MOT...LOC 0429Z 257DEG 49KT 3971 9227 3941 9212
          3912 9223

$$

HAWBLITZEL

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 6:58 PM CDT, 3 hours 43 minutes earlier.

Area forecast discussion, Apr 3, 6:58 PM CDT, 3 hours 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
658 PM CDT SUN APR 3 2011

...UPDATED FOR AVIATION...

.DISCUSSION...

20Z KTOP SOUNDING LOOKS BASICALLY LIKE THE 12Z SOUNDING WITH DAYTIME
HEATING/MIXING APPLIED. A NICE TEXTBOOK EXAMPLE FOR METEOROLOGY
STUDENTS STUDYING SKEW-T PRINCIPLES! UNFORTUNATELY...THE SOUNDING
LOOKS LIKE ONE MORE TYPICAL OF LATE JULY AND THIS FORECASTER
CERTAINLY WOULD NOT HAVE WAGERED ON LOW 90F READINGS THIS AFTERNOON.
WOW! RECORD HIGHS HAVE BEEN SMASHED BY 8 TO 10 DEGREES.

IN THE IMMEDIATE TERM...WIND ADVISORY CONTINUES THROUGH 8 PM FOR ALL
BUT NW MO AND LOOK GOOD WITH 40 TO 45 MPH GUSTS STILL FREQUENT
ACROSS WEST CENTRAL AND CENTRAL MO.

COLD FRONT NOW PUSHING IN EXTREME NW MO /MAY/ BECOME THE FOCUS FOR
WIDELY SCATTERED SEVERE CONVECTION PRIOR TO 00Z.  SHALLOW MOISTURE
CHARACTERIZED BY DEWPOINTS IN THE LOW 60S WAS ALREADY BEING MIXED
OUT ACROSS ERN KS AS STRONGLY VEERED FLOW CARRIES POST-DRYLINE AIR
INTO THE NW PORTIONS OF THE WARM SECTOR. CONVECTIVE ALLOWING MODELS
STILL SHOW ISOLATED STORMS FORMING ALONG THE BOUNDARY (ROUGHLY
STJ-LAMONI IA) AROUND 23Z...BUT 20Z KTOP SOUNDING SUGGEST THAT AT
LEAST 100MB OF VERTICAL ASCENT WILL NEED TO BE APPLIED BY THE FRONT
TO OVERCOME THE 50 TO 100 J/KG OF INHIBITION STILL PRESENT.

UNDER THE ASSUMPTION THAT FRONTAL FORCING WILL BE SUFFICIENTLY DEEP
TO ACHIEVE A LEVEL OF FREE CONVECTION...MODERATE TO STRONG
INSTABILITY IS IN PLACE WITH 20Z RUC ANALYSIS INDICATING NEARLY 3000
J/KG OF MLCAPE PRESENT...MOST OF WHICH IS LOADED IN THE PREFERRED
HAIL GROWTH REGION OWING TO NEARLY DRY ADIABATIC MID LEVEL LAPSE
RATES.

PER EARLIER DISCUSSION...DO HAVE SOME CONCERNS REGARDING CONVECTIVE
MODE. THE CLOUD BEARING SHEAR REMAINS AN ISSUE...AS THE HODOGRAPH
REMAINS LARGELY BUNCHED ABOVE 2KM WITH WINDS UNIFORMLY OUT OF THE
WSW AT 40-45 KNOTS. AFTER AN INITIAL SUPERCELL POTENTIAL...STRONG
FLOW PARALLEL TO THE SURFACE BOUNDARY SUGGESTS THAT A LINEAR MODE
MAY BE QUICKLY ATTAINED. IN ADDITION...INDIVIDUAL UPDRAFTS MAY HAVE
SHORT LIFE SPANS AS STORM MOTION TOWARD THE NORTHEAST SUGGESTS
STORMS WILL BE QUICKLY UNDERCUT BY THE SOUTHEAST SURGING COLD FRONT.
ALL IN ALL...LARGE HAIL APPEARS TO BE THE PRIMARY THREAT THROUGH THE
EARLY EVENING...SOME OF WHICH COULD BE PARTICULARLY LARGE IF STORMS
REMAIN DISCRETE. GIVEN THE VERY LARGE TEMP/DEWPOINT SPREADS
EXCEEDING 35-40 DEGREES AHEAD OF THE COLD FRONT...EVAPORATIONAL
COOLING COULD YIELD A LOCALIZED DAMAGING DOWNBURST WIND
THREAT...WITH AN ADDITIONAL LARGER THREAT POSSIBLE AS STORMS GROW
UPSCALE AND COLD POOLS ARE ESTABLISHED. HOWEVER...SHOULD STORMS BE
UNDERCUT BY THE ADVANCING COLD FRONT...THIS THREAT MAY BE LIMITED AS
WELL. RIGHT NOW DO NOT SEE ANY TORNADO POTENTIAL GIVEN THE
UNFAVORABLE LOW LEVEL SHEAR PROFILES AND LACK OF MOIST/BUOYANT
BOUNDARY LAYER AIR BELOW THE LCL.

WITH THE PASSAGE OF THE COLD FRONT TONIGHT...TEMPERATURES WILL FALL
SHARPLY INTO THE 40S BY DAYBREAK WITH NORTHWEST WINDS PICKING UP AT
20 TO 30 WITH GUSTS TO 40 MPH. MONDAY LOOKS DOWNRIGHT AWFUL IN
COMPARISON WITH TEMPERATURES SOME 40 DEGREES COLDER AMID CLOUDY
SKIES AND SOME MORNING RAIN ASSOCIATED WITH THE PRIMARY UPPER
TROUGH. THANKFULLY THIS WILL BE OF VERY SHORT DURATION AS RETURN
FLOW BRINGS US BACK INTO THE 60S TO NEAR 70 FOR TUESDAY AND
WEDNESDAY.

BOOKBINDER

MEDIUM RANGE (WEDNESDAY THROUGH SUNDAY)...

FLAT AND BROAD UPPER RIDGE WILL BE IN PLACE ACROSS THE SOUTH CENTRAL
CONUS BY THE MIDWEEK TIME FRAME AS A NORTHERN STREAM UPPER SHORT
WAVE TROUGH SLIDES ACROSS THE GREAT LAKES. THIS TROUGH WILL SEND A
WEAK COLD FRONT INTO THE AREA ON WEDNESDAY ALTHOUGH THE SYSTEM WILL
LACK ANY STRONG COLD AIR ADVECTION LEAVING TEMPS IN THE 60S ACROSS
MOST LOCATIONS BY THE AFTERNOON HOURS.

LARGE UPPER TROUGH THEN DEVELOPS ALONG THE WEST COAST DURING THE
LATTER PART OF THE WEEK AS THE AFOREMENTIONED RIDGE AXIS SHIFTS
EASTWARD. A LEADING UPPER SHORT WAVE TROUGH IS EXPECTED TO EJECT
ACROSS THE AREA ON THURSDAY BRINGING ANOTHER CHANCE FOR
SHOWERS/THUNDERSTORMS AS WAA WING SWINGS ACROSS THE AREA. GIVING
THE TIMING...FEEL AT THIS TIME THAT HIGHER POPS WILL BE LOCATED
ACROSS THE NORTHERN PORTIONS OF THE FORECAST AREA.

UPPER TROUGH REMAINS ANCHORED ACROSS THE WESTERN STATES HEADING INTO
THE WEEKEND WITH ENSEMBLE SPREAD BECOMING LARGER BY THIS TIME FRAME
AS MODELS STRUGGLE TO HANDLE HOW FAST TO EJECT THE SYSTEM EASTWARD.
WILL MAINTAIN A CONSENSUS BLEND THROUGH THE WEEKEND AS THIS GIVES A
GOOD COMPROMISE AMONG THE VARIOUS SOLUTIONS. OTHERWISE...FAIRLY MILD
TEMPS LOOK TO PERSIST THROUGH THE MEDIUM RANGE.

DEROCHE

&&

.AVIATION...

FOR THE 00Z TAFS...THE POTENTIAL FOR SEVERE THUNDERSTORMS AND GUSTY
WINDS ARE THE TWO PRIMARY THREATS EARLY IN THE TAF PERIOD. ISOLATED
SEVERE THUNDERSTORMS HAVE ERUPTED ALONG A SURFACE FRONT THAT EXTENDED
ROUGHLY FROM KCDJ-KMCI-KTOP. EXPECT STORMS TO EXPAND IN COVERAGE
BASED ON FORECAST MODEL CONSENSUS...THUS HAVE INCLUDED TEMPO GROUP
FOR STORMS IN THE 01-03 UTC TIMEFRAME AT KSTJ AND 02-04 UTC
TIMEFRAME AT KMCI AND KMKC. VERY LARGE HAIL AND WIND GUSTS TO 50KTS
WILL BE POSSIBLE.

OUTSIDE OF THUNDERSTORM ACTIVITY...SURFACE PRESSURE GRADIENT STILL
IS SUPPORTING SUSTAINED WINDS 20-25 KNOTS WITH GUSTS 30-38KTS...AND
EXPECT TREND TO CONTINUE FOR THE NEXT COUPLE HOURS WITH WELL MIXED
BOUNDARY LAYER.  BOUNDARY LAYER DECOUPLING AND FRONTAL PASSAGE IN
THE 03-04 UTC TIMEFRAME SHOULD LEAD TO DECREASE IN WIND GUST
POTENTIAL.

EXPECT THREAT OF STORMS TO MOVE EAST AND SOUTH OF TERMINAL SITES BY
04-06 UTC.  IN THE WAKE OF THE FRONT AND STORMS...MVFR CIGS WILL
SETTLE IN AT ALL THREE TERMINAL SITES THROUGH THE OVERNIGHT HOURS.
WINDS WILL BECOME NORTHWEST AT 20 TO 30 KNOTS WITH FREQUENT GUSTS.
MVFR CIGS WILL GIVE WAY TO VFR CONDITIONS BY 15-16 UTC ON MONDAY.

SF

&&

.CLIMATE...

RECORD HIGHS FOR TODAY WERE SIMPLY NO MATCH FOR +22C AIR AT 850MB
AND HAVE BEEN SMASHED...DESTROYED AND OBLITERATED. WITH BOTH KANSAS
CITY AND ST. JOSEPH BREAKING 90 DEGREES...THIS IS THE FIRST TIME
SINCE APRIL 13 2006 THAT 90 DEGREES HAS OCCURRED IN THE AREA.

MORE NOTEWORTHY...THIS IS THE EARLIEST 90 DEGREE DAY SINCE APRIL 1ST
1940. THE AVERAGE FIRST 90 DEGREE DAY IS MAY 28TH.

OLD RECORDS
-----------
KANSAS CITY...82 DEGREES IN 2005
ST. JOSEPH...83 DEGREES IN 2005

PRELIMINARY NEW RECORDS
------------------------
KANSAS CITY...91 DEGREES IN 2011
ST. JOSEPH...93 DEGREES IN 2011

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
MO...WIND ADVISORY UNTIL 8 PM CDT THIS EVENING FOR MOZ013>017-
     020>025-028>033-037>040-043>046-053-054.

KS...WIND ADVISORY UNTIL 8 PM CDT THIS EVENING FOR KSZ025-057-060-
     103>105.

&&
Hazardous weather outlook, Apr 3, 6:05 PM CDT, 4 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
605 PM CDT SUN APR 3 2011

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-041100-
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS-
ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER-
HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON-
CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON-
RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS-
COOPER-BATES-HENRY-
605 PM CDT SUN APR 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...TONIGHT

 A STRONG COLD FRONT STRETCHED FROM ST. JOSEPH TO BETHANY AT 6 PM.
 THUNDERSTORM DEVELOPMENT APPEARS IMMINENT OVER THE NEXT HOUR ACROSS
 NORTH CENTRAL MISSOURI...WITH THUNDERSTORMS BUILDING SOUTHWEST
 ALONG THE FRONT OVER THE NEXT SEVERAL HOURS AS IT MOVES TOWARD
 KANSAS CITY...CHILLICOTHE AND KIRKSVILLE EARLY THIS EVENING.

 THE COMBINATION OF MODERATE INSTABILITY AND WIND SHEAR WILL ALLOW
 THUNDERSTORMS TO BECOME SEVERE. LARGE HAIL WILL LIKELY BE THE
 PRIMARY THREAT...SOME OF WHICH COULD BE DESTRUCTIVE AND LARGER
 THAN GOLF BALLS. DAMAGING DOWNBURST WINDS ARE ALSO POSSIBLE IN THE
 STRONGEST STORMS. THUNDERSTORMS WILL GRADUALLY ORGANIZE INTO A
 LINE THEY MOVE INTO CENTRAL MISSOURI LATER THIS EVENING...
 CONTINUING THE THREAT FOR LARGE HAIL...DAMAGING WINDS AND LOCALLY
 HEAVY RAINFALL.

 WINDS WILL BECOME NORTHWEST AFTER THE COLD FRONT PASSAGE THIS
 EVENING AND INCREASE TO 20 TO 30 MPH ONCE AGAIN WITH GUSTS TO
 NEAR 40 MPH POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

 STRONG NORTHWEST WINDS WILL CONTINUE INTO MONDAY...WITH GUSTS AS
 HIGH AS 40 MPH.

 ADDITIONAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE THURSDAY AND AGAIN
 ON SATURDAY. SEVERE THUNDERSTORMS MAY BE POSSIBLE WITH EITHER OF
 THESE SYSTEMS.

.SPOTTER INFORMATION STATEMENT...

 SPOTTER ACTIVATION WILL LIKELY BE NEEDED WITHIN THE NEXT 1 TO 2
 HOURS ALONG AND SOUTHEAST OF A  ST. JOSEPH TO BETHANY LINE...
 CONTINUING INTO WEST CENTRAL AND CENTRAL MISSOURI THIS EVENING.

BOOKBINDER

In the hours before

Local storm report, Apr 3, 9:59 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
959 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0957 PM     TSTM WND DMG     KINGSVILLE              38.74N 94.07W
04/03/2011                   JOHNSON            MO   TRAINED SPOTTER

            NW 1871 RD ROOF BLOWN OFF LOG STYLE HOME.

&&

ACH
Local storm report, Apr 3, 10:01 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1001 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0723 PM     HAIL             7 NE UNIONVILLE         40.55N 92.91W
04/03/2011  E1.50 INCH       PUTNAM             MO   PUBLIC

            HAIL UP TO THE SIZE OF PING PONG BALLS

0723 PM     HAIL             UNIONVILLE              40.48N 93.00W
04/03/2011  E1.00 INCH       PUTNAM             MO   LAW ENFORCEMENT

0734 PM     TSTM WND GST     4 S TONGANOXIE          39.05N 95.08W
04/03/2011  E50.00 MPH       LEAVENWORTH        KS   EMERGENCY MNGR

0734 PM     HAIL             LEAVENWORTH             39.32N 94.92W
04/03/2011  E1.00 INCH       LEAVENWORTH        KS   EMERGENCY MNGR

            4 MILES W OF FORT LEAVENWORTH

0746 PM     HAIL             5 SW KINGSTON           39.59N 94.10W
04/03/2011  E0.75 INCH       CALDWELL           MO   TRAINED SPOTTER

0748 PM     HAIL             5 S MILAN               40.13N 93.12W
04/03/2011  E1.00 INCH       SULLIVAN           MO   PUBLIC

0749 PM     HAIL             LANSING                 39.25N 94.89W
04/03/2011  E1.00 INCH       LEAVENWORTH        KS   EMERGENCY MNGR

            DIME TO QUARTER SIZE HAIL

0751 PM     HAIL             ATCHISON                39.56N 95.13W
04/03/2011  E0.75 INCH       ATCHISON           KS   TRAINED SPOTTER

0752 PM     HAIL             MILAN                   40.20N 93.12W
04/03/2011  E1.00 INCH       SULLIVAN           MO   LAW ENFORCEMENT

            NICKEL TO QUARTER SIZED HAIL ALSO REPORTED IN GREEN CITY

0753 PM     HAIL             5 S HAMILTON            39.67N 94.00W
04/03/2011  E0.75 INCH       CALDWELL           MO   TRAINED SPOTTER

0753 PM     NON-TSTM WND GST 4 S CAMDEN POINT        39.39N 94.75W
04/03/2011  E70.00 MPH       PLATTE             MO   AMATEUR RADIO

            DIME SIZE HAIL ALSO REPORTED

0754 PM     HAIL             GREEN CITY              40.27N 92.96W
04/03/2011  E1.50 INCH       SULLIVAN           MO   LAW ENFORCEMENT

0755 PM     HAIL             PLATTE CITY             39.37N 94.78W
04/03/2011  E1.00 INCH       PLATTE             MO   AMATEUR RADIO

0755 PM     HAIL             2 N GLADSTONE           39.23N 94.56W
04/03/2011  E1.00 INCH       CLAY               MO   PUBLIC

0758 PM     HAIL             FERRELVIEW              39.31N 94.67W
04/03/2011  E0.88 INCH       PLATTE             MO   TRAINED SPOTTER

0758 PM     HAIL             GREENTOP                40.35N 92.57W
04/03/2011  E1.00 INCH       SCHUYLER           MO   PUBLIC

0800 PM     TSTM WND GST     RIVERSIDE               39.18N 94.61W
04/03/2011  E70.00 MPH       CLAY               MO   AMATEUR RADIO

            SEMI-TRUCK OVERTURNED I-635 AND HIGHWAY 9

0800 PM     HAIL             2 NE RUSHVILLE          39.61N 95.00W
04/03/2011  E1.25 INCH       BUCHANAN           MO   TRAINED SPOTTER

            QUARTER TO HALF DOLLAR SIZE HAIL.

0800 PM     HAIL             PLATTE CITY             39.36N 94.78W
04/03/2011  E1.00 INCH       PLATTE             MO   TRAINED SPOTTER

            WINDS ESTIMATED AT 50 MPH.

0804 PM     TSTM WND DMG     1 S BASEHOR             39.11N 94.93W
04/03/2011                   LEAVENWORTH        KS   EMERGENCY MNGR

            SHINGLES OFF ROOFS OF SEVERAL HOMES. 14 INCH DIAMETER
            TREE WAS 30 FEET HIGH AND SNAPPED OFF FROM TRUNK. METAL
            SHED 10 BY 10 DESTROYED. NEAR 153RD AND BRIARWOOD

0806 PM     TSTM WND GST     GLADSTONE               39.21N 94.56W
04/03/2011  M50.00 MPH       CLAY               MO   TRAINED SPOTTER

0807 PM     HAIL             GLADSTONE               39.21N 94.56W
04/03/2011  E1.00 INCH       CLAY               MO   TRAINED SPOTTER

            ESTIMATED 50 MPH WINDS

0808 PM     HAIL             5 N CRAIG               40.26N 95.37W
04/03/2011  E1.00 INCH       HOLT               MO   EMERGENCY MNGR

0811 PM     TSTM WND DMG     S BASEHOR               39.13N 94.93W
04/03/2011                   LEAVENWORTH        KS   EMERGENCY MNGR

            POWER OUTAGES IN THE AREA OF 153RD AND BRIARWOOD WITH
            DEBRIS IN THE POWER LINES.

0811 PM     HAIL             3 NW LIBERTY            39.27N 94.46W
04/03/2011  M1.50 INCH       CLAY               MO   NWS EMPLOYEE

            UP TO PING PONG BALL SIZE

0815 PM     HAIL             KEARNEY                 39.36N 94.36W
04/03/2011  E0.75 INCH       CLAY               MO   LAW ENFORCEMENT

0817 PM     HAIL             LIBERTY                 39.24N 94.42W
04/03/2011  E1.75 INCH       CLAY               MO   TRAINED SPOTTER

            NORTH OF A HWY

0817 PM     HAIL             KEARNEY                 39.36N 94.36W
04/03/2011  E1.75 INCH       CLAY               MO   TRAINED SPOTTER

0820 PM     HAIL             KEARNEY                 39.37N 94.36W
04/03/2011  E1.00 INCH       CLAY               MO   AMATEUR RADIO

0821 PM     HAIL             KEARNEY                 39.37N 94.36W
04/03/2011  E1.50 INCH       CLAY               MO   TRAINED SPOTTER

0830 PM     HAIL             5 W BURLINGTON JUNCTION 40.45N 95.16W
04/03/2011  E0.88 INCH       NODAWAY            MO   PUBLIC

0840 PM     HAIL             5 N RICHMOND            39.35N 93.97W
04/03/2011  E1.50 INCH       RAY                MO   TRAINED SPOTTER

            NEAR RAY COUNTY LAKE

0841 PM     HAIL             2 NW ALBANY             40.27N 94.36W
04/03/2011  E1.00 INCH       GENTRY             MO   AMATEUR RADIO

            ESTIMATED WIND GUST 50-55 MPH

0841 PM     HAIL             RICHMOND                38.40N 95.25W
04/03/2011  E1.00 INCH       FRANKLIN           KS   PUBLIC

0856 PM     HAIL             2 N OLATHE              38.92N 94.81W
04/03/2011  E1.25 INCH       JOHNSON            KS   TRAINED SPOTTER

0859 PM     HAIL             SPRING HILL             38.75N 94.83W
04/03/2011  E0.75 INCH       JOHNSON            KS   TRAINED SPOTTER

            APPROXIMATELY ONE HALF MILE WEST OF 169 HWY.

0900 PM     HAIL             GARDNER                 38.81N 94.93W
04/03/2011  M1.00 INCH       JOHNSON            KS   EMERGENCY MNGR

0904 PM     HAIL             2 SSW OLATHE            38.86N 94.83W
04/03/2011  E1.75 INCH       JOHNSON            KS   NWS EMPLOYEE

0905 PM     FUNNEL CLOUD     10 SW CARROLLTON        39.26N 93.63W
04/03/2011                   CARROLL            MO   TRAINED SPOTTER

            SITING OF A FUNNEL CLOUD JUST NORTH OF THE MISSOURI RIVER
            NORTH OF WAVERLY

0905 PM     HAIL             OVERLAND PARK           38.91N 94.68W
04/03/2011  E1.75 INCH       JOHNSON            KS   NWS EMPLOYEE

            NEAR 159TH AND METCALF

0905 PM     HAIL             SW TRENTON              40.08N 93.60W
04/03/2011  E1.50 INCH       GRUNDY             MO   PUBLIC

0906 PM     HAIL             OLATHE                  38.89N 94.81W
04/03/2011  E1.50 INCH       JOHNSON            KS   PUBLIC

0910 PM     HAIL             3 N JAMESON             40.05N 93.99W
04/03/2011  E1.75 INCH       DAVIESS            MO   TRAINED SPOTTER

0914 PM     HAIL             GRANDVIEW               38.88N 94.52W
04/03/2011  E1.00 INCH       JACKSON            MO   TRAINED SPOTTER

0915 PM     HAIL             LEAWOOD                 38.91N 94.63W
04/03/2011  E1.50 INCH       JOHNSON            KS   TRAINED SPOTTER

0920 PM     HAIL             KANSAS CITY             39.12N 94.55W
04/03/2011  E1.50 INCH       JACKSON            MO   TRAINED SPOTTER

            NEAR 46TH ST AND PASEO

0921 PM     HAIL             LEES SUMMIT             38.92N 94.38W
04/03/2011  E2.25 INCH       JACKSON            MO   NWS EMPLOYEE

            HAIL 2 TO 2.25 INCHES NEAR HWY 291 AND HWY 150

0922 PM     HAIL             LEES SUMMIT             38.92N 94.38W
04/03/2011  E1.75 INCH       JACKSON            MO   TRAINED SPOTTER

0925 PM     HAIL             2 S LEE'S SUMMIT        38.88N 94.38W
04/03/2011  E2.50 INCH       JACKSON            MO   TRAINED SPOTTER

0925 PM     HAIL             LEES SUMMIT             38.92N 94.38W
04/03/2011  E1.75 INCH       JACKSON            MO   TRAINED SPOTTER

0926 PM     HAIL             2 E LEE'S SUMMIT        38.91N 94.34W
04/03/2011  M2.50 INCH       JACKSON            MO   NWS EMPLOYEE

0927 PM     HAIL             1 S GREENWOOD           38.84N 94.34W
04/03/2011  E2.50 INCH       JACKSON            MO   NWS EMPLOYEE

0929 PM     HAIL             LEES SUMMIT             38.92N 94.38W
04/03/2011  E1.25 INCH       JACKSON            MO   TRAINED SPOTTER

0929 PM     TSTM WND DMG     BELTON                  38.82N 94.53W
04/03/2011                   CASS               MO   LAW ENFORCEMENT

            ROOF BLOWN OFF TRAILER HOME IN BELTON.

0930 PM     HAIL             GREENWOOD               38.85N 94.34W
04/03/2011  M2.50 INCH       JACKSON            MO   TRAINED SPOTTER

0935 PM     HAIL             3 NE BLUE SPRINGS       39.05N 94.24W
04/03/2011  E0.88 INCH       JACKSON            MO   TRAINED SPOTTER

0935 PM     HAIL             LEES SUMMIT             38.92N 94.38W
04/03/2011  E2.00 INCH       JACKSON            MO   NWS EMPLOYEE

0935 PM     HAIL             3 E BLUE SPRINGS        39.02N 94.23W
04/03/2011  E1.00 INCH       JACKSON            MO   PUBLIC

0939 PM     HAIL             LONE JACK               38.87N 94.17W
04/03/2011  E1.00 INCH       JACKSON            MO   NWS EMPLOYEE

0939 PM     HAIL             PARKER                  38.33N 94.99W
04/03/2011  E0.75 INCH       LINN               KS   PUBLIC

0945 PM     HAIL             PARKER                  38.33N 94.99W
04/03/2011  E1.00 INCH       LINN               KS   TRAINED SPOTTER

0950 PM     TSTM WND GST     LA CYGNE                38.35N 94.76W
04/03/2011  E70.00 MPH       LINN               KS   LAW ENFORCEMENT

            60 TO 70 MPH GUSTS. 4 TO 6 INCH LIMBS DOWN.

0953 PM     HAIL             3 NW HARRISONVILLE      38.69N 94.39W
04/03/2011  E1.00 INCH       CASS               MO   TRAINED SPOTTER

0957 PM     TSTM WND DMG     KINGSVILLE              38.74N 94.07W
04/03/2011                   JOHNSON            MO   TRAINED SPOTTER

            NW 1871 RD ROOF BLOWN OFF LOG STYLE HOME.

&&

ACH
Local storm report, Apr 3, 10:03 PM CDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1003 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     TSTM WND DMG     PITTSVILLE              38.83N 94.00W
04/03/2011                   JOHNSON            MO   TRAINED SPOTTER

            POWERLINES DOWN IN TOWN

&&

ACH
Local storm report, Apr 3, 10:13 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1013 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 PM     HAIL             3 S OSAWATOMIE          38.46N 94.95W
04/03/2011  E1.25 INCH       MIAMI              KS   TRAINED SPOTTER

&&

ACH
Local storm report, Apr 3, 10:20 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1020 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1018 PM     HAIL             3 S LANCASTER           40.48N 92.53W
04/03/2011  E1.00 INCH       SCHUYLER           MO   TRAINED SPOTTER

&&

ACH
Local storm report, Apr 3, 10:28 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1028 PM CDT SUN APR 03 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1026 PM     TSTM WND GST     CARROLLTON              39.36N 93.50W
04/03/2011  E50 MPH          CARROLL            MO   AMATEUR RADIO

&&

ACH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:04 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clay, Jackson, Platte41 min
Apr 3, 7:09 PM CDTSevere Thunderstorm WarningEAXPutnam, Schuyler, Sullivan36 min
Apr 3, 7:33 PM CDTSpecial Weather StatementEAXCaldwell27 min
Apr 3, 7:37 PM CDTSevere Thunderstorm WarningEAXAdair, Linn, Macon, Putnam, Schuyler, Sullivan38 min
Apr 3, 7:42 PM CDTSevere Thunderstorm WarningEAXClay, Platte33 min
Apr 3, 7:44 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Clinton, Platte46 min
Apr 3, 7:48 PM CDTSevere Thunderstorm WarningEAXCaldwell, Daviess, Grundy, Linn, Livingston28 min
Apr 3, 7:54 PM CDTSpecial Weather StatementEAXHolt, Nodaway51 min
Apr 3, 7:58 PM CDTSevere Thunderstorm WarningEAXClay, Jackson32 min
Apr 3, 8:06 PM CDTSevere Thunderstorm WarningEAXClay, Ray24 min
Apr 3, 8:13 PM CDTSevere Thunderstorm WarningEAXAdair, Linn, Macon, Schuyler, Sullivan47 min
Apr 3, 8:25 PM CDTSevere Thunderstorm WarningEAXCarroll, Clay, Jackson, Lafayette, Ray35 min
Apr 3, 8:31 PM CDTSpecial Weather StatementEAXDaviess, DeKalb44 min
Apr 3, 8:38 PM CDTSpecial Weather StatementEAXDaviess, Grundy52 min
Apr 3, 8:55 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Linn, Livingston, Sullivan35 min
Apr 3, 8:55 PM CDTTornado WarningEAXCarroll, Chariton, Ray, Saline35 min
Apr 3, 9:05 PM CDTSevere Thunderstorm WarningEAXCass, Clay, Jackson40 min
Apr 3, 9:07 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Harrison, Mercer38 min
Apr 3, 9:24 PM CDTSevere Thunderstorm WarningEAXAdair, Grundy, Putnam, Sullivan36 min
Apr 3, 9:27 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Howard, Macon, Randolph, Saline33 min
Apr 3, 9:31 PM CDTSevere Thunderstorm WarningEAXCass, Jackson, Johnson, Lafayette44 min
Apr 3, 9:37 PM CDTSevere Thunderstorm WarningEAXBates, Cass23 min
Apr 3, 9:41 PM CDTSevere Thunderstorm WarningEAXCass34 min
Apr 3, 9:51 PM CDTSpecial Weather StatementEAXCarroll, Ray39 min
Apr 3, 9:59 PM CDTSevere Thunderstorm WarningEAXBates, Cass46 min
Apr 3, 10:07 PM CDTSevere Thunderstorm WarningEAXCass, Henry, Johnson23 min
Apr 3, 10:11 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Cooper, Howard, Johnson, Lafayette and 2 more34 min
Apr 3, 10:14 PM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry31 min
Apr 3, 10:14 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Linn, Livingston, Ray, Saline31 min
Apr 3, 10:33 PM CDTSevere Thunderstorm WarningEAXHenry, Johnson, Pettis27 min
Apr 3, 10:36 PM CDTSevere Thunderstorm WarningEAXBates39 min
Apr 3, 11:20 PM CDTSpecial Weather StatementEAXCooper25 min
Apr 3, 11:37 PM CDTSpecial Weather StatementEAXHenry23 min
Apr 4, 4:08 AM CDTWind AdvisoryEAXAndrew, Atchison, Buchanan, Caldwell, Carroll, Cass and 16 more11 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.