Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 71, NWS Kansas City, MO

May 7, 2010Buchanan County, Clinton County, DeKalb County, Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 7, 2010, 1:53 AM CDT for Buchanan County, Clinton County, DeKalb County, Missouri; Doniphan County, Kansas. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 7, 2010, 1:53 AM CDT (06:53 UTC)
Expired
May 7, 2010, 2:13 AM CDT
In force
20 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Doniphan County, KS, Buchanan County, MO, Clinton County, MO, DeKalb County, MO

The radar

The Pleasant Hill radar (KEAX), 109 km from the middle of the area, began a volume at 06:54 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.

IssuedProductOfficeLasted
May 6, 9:16 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.9 hours before the alert went out and 116 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 2010-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2010-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1818 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
522 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

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 May 7, 12:45 AM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, May 7, 12:45 AM CDT, 1 hour 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1245 AM CDT FRI MAY 7 2010

...UPDATED AVIATION DISCUSSION...

.UPDATE...
/1059 PM CDT THU MAY 6 2010/
STOUT SHORT WAVE TROUGH CENTERED ACROSS WESTERN SOUTH DAKOTA HAS
RESULTED IN HEIGHT FALLS AND SUBSEQUENT LARGE SCALE ASCENT ACROSS THE
CENTRAL PLAINS. ASSOCIATED SFC LOW HAS BECOME WELL-DEFINED ACROSS
SOUTHWESTERN KS/NORTHWESTERN OK WITH ATTENDANT WARM FRONT SHARPENING
FROM NEAR ST JOHN KANSAS EASTWARD TO NEAR CLINTON MISSOURI. ELEVATED
CONVECTION HAS DEVELOPED WITHIN WARM AIR ADVECTION REGIME ACROSS
NORTHERN MISSOURI AS LLJ HAS INCREASED TO 50-55KTS VIA AREA
PROFILERS. THIS HAS TRANSPORTED INCREASINGLY UNSTABLE AIR MASS
NORTHWARD CHARACTERIZED BY MUCAPE VALUES OF 500-1000 J/KG. CONVECTION
HAS BECOME STRONG TO SEVERE IN THE PAST COUPLE OF HOURS BOTH WITHIN
WAA ACTIVITY AS WELL AS WITH ISOLATED SUPERCELL CLOSER TO THE SFC
WARM FRONT ACROSS EAST-CENTRAL KS. CONVECTION SHOULD CONTINUE TO MOVE
EASTWARD WITH TIME WITH SEVERE THREAT PERSISTING INTO THE OVERNIGHT
HOURS. LATEST RADAR DEPICTIONS INDICATE 50 DBZ CORES NEEDED FOR
SEVERE HAIL AOA 35KFT WITH 60 DBZ CORES NEAR 25KFT. LARGE HAIL WILL
CONTINUE TO BE THE MAIN THREAT WITH CONVECTION ACROSS NORTHERN
MISSOURI WITH ISOLATED STRONG WIND GUSTS POSSIBLE AS WELL. AS
PERSISTENT SUPERCELL ACROSS EAST-CENTRAL KANSAS PROPAGATES
EAST...VERY LARGE HAIL UP TO BASEBALLS WILL BE POSSIBLE ALONG WITH 70
MPH STRAIGHT LINE WINDS.

DEROCHE

&&

.DISCUSSION...
/350 PM CDT THU MAY 6 2010/
SHORT TERM (TONIGHT-SATURDAY)...

SHORT TERM CONCERNS CENTER AROUND SEVERE THUNDERSTORM POTENTIAL
THIS EVENING. DESPITE A TOP-TEN DAY AROUND THE AREA WITH MILD
TEMPERATURES AND DRY EASTERLY FLOW...SIGNIFICANT CHANGES ARE
EXPECTED IN THE NEXT 3 TO 6 HOURS.

AT 20Z...SURFACE ANALYSIS DEPICTED A VERY SHARP WARM FRONT
STRETCHING FROM WRN KS TO NEAR EMPORIA THEN ARCING SEWD TOWARD
NEVADA MISSOURI. SOUTH OF THIS BOUNDARY...TEMPERATURES HAVE WARMED
INTO THE MID-UPPER 80S AND GULF MOISTURE RETURN HAS BEEN FAR MORE
ROBUST THAN PREVIOUSLY ANTICIPATED WITH LOW 60F DEWPOINTS ALREADY
PRESENT ACROSS SE KS/SW MO.

LACK OF CLOUD COVER ACROSS THE WARM SECTOR...AND STABILIZED CLOUD
STREETS ACROSS CENTRAL KS INTO NRN MO PER VISIBLE IMAGERY SUGGEST
THE PRESENCE OF A STRONG CAP ACROSS THE AREA. THIS CAP SHOULD
EFFECTIVELY HOLD UNTIL EARLY EVENING...AT WHICH POINT A GRADUALLY
MOISTENING ELEVATED MIXED LATER WILL BE TRIGGERED BY A DEVELOPING
NOCTURNAL JET. FINER RESOLUTION MODELS AND THE HIGH-RESOLUTION RAPID
REFRESH MODEL SUGGEST THUNDERSTORM INITIATION BETWEEN EMPORIA AND
KANSAS CITY SHORTLY AFTER 00Z...WHICH LOOKS REASONABLY GIVEN CURRENT
CONDITIONS...ALTHOUGH IT MUST BE NOTED THAT IN THE ABSENCE OF RECENT
UPPER AIR DATA...THE STRENGTH OF THE CAP AND FORCING TO OVERCOME IT
IS STILL UNKNOWN. ASSUMING THIS CAP WILL BE REMOVED AT SOME POINT
EARLY THIS EVENING...MODERATE ELEVATED INSTABILITY ON THE ORDER OF
1500 J/KG...COUPLED WITH STRONG DEEP LAYER SHEAR WOULD PROMOTE A
THREAT OF LARGE HAIL AND DAMAGING WINDS WITH SCATTERED SUPERCELLS
BEING THE PRIMARY STORM MODE. A WIND THREAT COULD BE ACCENTUATED
NORTH THE WARM FRONT WHERE CONTINENTAL DRY LOW LEVEL AIR COULD
ACCENTUATE THE DOWNDRAFTS. THE TORNADO CONCERN IS CERTAINLY HIGHER
THAN I WOULD HAVE PREVIOUSLY ANTICIPATED GIVEN THE CLOSER PROXIMITY
OF THE WARM FRONT TO THE EXPECTED INITIATION AREA...COUPLED WITH
MUCH IMPROVED MOISTURE QUALITY TO THE SOUTH. KINEMATIC PROFILES ARE
MORE THAN SUPPORTIVE OF STRONG LOW LEVEL ROTATION GIVEN ERLY SFC
WINDS OF 15-20 KNOTS AND 35-40 KNOTS OF SWRLY FLOW AT 850MB. THIS
WOULD FAVOR A LOCALLY ENHANCED SEVERE THREAT FOR STORMS RIDING
EASTWARD ALONG THE RETREATING WARM FRONT WHERE A NARROW W-E CORRIDOR
OF COOLER TEMPS/HIGHER MOISTURE COULD LEAD TO MORE FAVORABLE LCL/LFC
HEIGHTS.

THIS ACTIVITY SHOULD SLOWLY SPREAD EAST/NORTH THIS EVENING...
CONTINUING THE SEVERE THREAT INTO THE NORTH CENTRAL MISSOURI. THE
FOCUS WILL THEN SHIFT BACK TOWARD THE WEST FOR A POTENTIAL SECOND
EVENT IMPACTING NE KS/NW MO AROUND AND AFTER MIDNIGHT. ASSUMING A
SECOND AREA OF THUNDERSTORMS DEVELOP OVER N CENTRAL KS CLOSER TO THE
WARM FRONT/SFC LOW JUNCTION...THIS ACTIVITY WILL PROPAGATE EASTWARD
OVERNIGHT...POSSIBLY GROWING UPSCALE INTO A SLIGHTLY ELEVATED MCS.
SOME POTENTIAL FOR MIXED-MODES INCLUDING SUPERCELLS WILL EXIST OVER
THE NW CWA LATER TONIGHT WITH SOME POTENTIAL FOR TRAINING STORMS.

ALL OF THIS ACTIVITY SHOULD EXIT THE NRN CWA TOMORROW MORNING...WITH
STRONG NW WINDS USHERING IN MUCH COOLER/DRIER ARE INTO THE REGION
FOR THE WEEKEND. LOW TEMPERATURES SHOULD REMAIN ABOVE CRITICAL
LEVELS...BUT WITH PROJECTED MINIMUMS IN THE UPPER 30S FOR SATURDAY
AND SUNDAY MORNINGS...TROPICAL VEGETATION SHOULD BE BROUGHT INDOORS
TO PREVENT DAMAGE.

BOOKBINDER

MEDIUM RANGE (SUNDAY THROUGH THURSDAY NIGHT)...

NEXT WEEK LOOKS TO BRING ACTIVE WEATHER TO THE CENTRAL PORTION OF
THE U.S.  THE 00Z ECMWF AND 12Z GFS HAVE SOME MINOR DIFFERENCES BUT
BOTH SHOW THE SAME GENERAL UPPER PATTERN.  UPPER RIDGING INCREASES
OVER THE AREA BY SUNDAY EVENING IN RESPONSE TO A SHORTWAVE PUSHING
INTO THE GREAT BASIN REGION. LOOKING FURTHER UPSTREAM...A SECOND
SYSTEM IS PROGGED TO BE CENTERED OFF THE COAST OF BRITISH COLUMBIA.
THE LEAD PIECE OF ENERGY WILL MAKE ITS WAY INTO THE PLAINS BY MONDAY
EVENING WITH THE SECOND SYSTEM CARVING OUT A SPOT ACROSS THE DESERT
SOUTHWEST. BY LATE IN THE FORECAST PERIOD...THE MODELS DO SHOW MORE
VARIABILITY AS THE GFS IS STRONGER AND A BIT FASTER WITH THE SECOND
SYSTEM...BRINGING IT INTO THE PLAINS BY FRIDAY.

AT THE SURFACE...TRANQUIL HIGH PRESSURE WILL BEGIN TO SHIFT EASTWARD
ON SUNDAY.  HELD ONTO SOME SLIGHT TO CHANCE POPS AS WAA/ISENTROPIC
LIFT COMMENCES ON THE BACKSIDE OF THE DEPARTING HIGH.  MORE
WIDESPREAD THUNDERSTORMS ARE EXPECTED MONDAY THROUGH EARLY TUESDAY
AS MOISTURE DEEPENS AND THE UPPER ENERGY REACHES THE PLAINS.  IF THE
GUIDANCE IS CORRECT...TUESDAY NIGHT LOOKS TO BE THE BEST CHANCE OF
DRY WEATHER NEXT WEEK...AS THE MAIN SURFACE STORM AND COLD FRONT
PUSH EAST OF THE FORECAST AREA.  THE REMAINDER OF THE FORECAST HAS
SLIGHT TO LOW CHANCE POPS FOR NOW...THE COLD FRONT WILL LIKELY STALL
SOMEWHERE NEAR THE AREA.  THERE IS QUITE A BIT OF UNCERTAINTY HOW
FAR SOUTH IT STALLS...AND IF ADDITIONAL CONVECTION ALONG THE
BOUNDARY COULD PUSH IT FURTHER SOUTH. AS FOR TEMPERATURES...THE
MEDIUM RANGE FORECAST PERIOD WILL START OUT COOL ON SUNDAY...LOW TO
MID 60S...THEN DECENT WARMING WILL COMMENCE AHEAD OF THE APPROACHING
SYSTEM.  BEFORE THE SURFACE FRONT PUSHES THROUGH ON
TUESDAY...SOUTHERN PORTIONS MAY APPROACH 80 DEGREES WITH THE
REMAINDER OF THE AREA IN THE 70S.

SAW

&&

.AVIATION...
FOR THE 06Z TAFS...BIGGEST CONCERN IS WITH THE STRONG STORM IN
NORTHEAST KANSAS THAT WILL BE MOVING THROUGH THE KSTJ TERMINAL
TOWARD 07Z...WITH THE POTENTIAL OF STRONG WINDS AND LARGER HAIL. A
SECONDARY STORM MAY FOLLOW IN BEHIND WITH WINDS AND HAIL AS
WELL...SO WILL KEEP A MENTION OF HAIL IN THROUGH 08Z. MORE STORMS
EVEN FURTHER WEST ARE ALSO CAUSING WIND GUSTS...SO WILL KEEP A
MENTION OF GUSTY WINDS AND STORMS IN AT KSTJ THROUGH 11Z. FOR THE
KANSAS CITY TERMINALS STORMS THAT HAVE BEEN WEAKENING WILL BE MOVING
THROUGH AROUND 06Z...THEN THE KANSAS STORMS APPEAR TO BE TRACKING
FAR ENOUGH NORTH TO MISS KMCI. HOWEVER...MAY BE CLOSE...SO FOR NOW
WILL ONLY HAVE THUNDER MENTIONED FOR THE FIRST HOUR AND KEEP AN EYE
ON THE PROGRESS OF THE STORMS IN NORTH CENTRAL KANSAS. WILL
INTRODUCE LLWS TO THE KANSAS CITY TERMINALS AS 2K FOOT WINDS ARE
EXPECTED TO BE AROUND 40 KTS UNTIL 925 MB LOW MOVES CLOSER LATE
TONIGHT. STORMS SHOULD BE EXITING THE AREA BY DAYBREAK WITH GUSTY
NORTHWEST WINDS TAKING OVER BEHIND THE FRONT. SOME MVFR CIGS ARE
EXPECTED TO FOLLOW IN BEHIND THIS FRONT...BUT IMPROVE BY MIDDAY.

PC

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
KS...NONE.
&&
Hazardous weather outlook, May 6, 7:03 PM CDT, 6 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
703 PM CDT THU MAY 6 2010

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-080015-
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-
703 PM CDT THU MAY 6 2010

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

.DAY ONE...TONIGHT

 A WARM FRONT HAS SHARPENED FROM CENTRAL KANSAS EASTWARD INTO
 SOUTHWESTERN MISSOURI...CURRENTLY ALONG A HAYS KANSAS TO EMPORIA
 KANSAS TO CLINTON MISSOURI LINE. THIS FRONT WILL SERVE AS A FOCUS
 FOR STRONG TO SEVERE THUNDERSTORM DEVELOPMENT ALONG AND NORTH OF THE BOUNDARY
 THIS EVENING AND TONIGHT...WITH INITIATION POSSIBLE ACROSS EAST-
 CENTRAL KANSAS BY 9 PM. THESE STORMS WILL BE CAPABLE OF PRODUCING
 LARGE HAIL...AS WELL AS DAMAGING WINDS GIVEN THE STRONG WINDS ALOFT
 AND RELATIVELY DRY AIR NEAR THE SURFACE. THUNDERSTORMS WILL
 GRADUALLY BUILD TOWARD THE NORTH AND EAST OVERNIGHT...WITH A
 CONTINUED RISK FOR HAIL AND DAMAGING WINDS.

 A SECONDARY AREA OF THUNDERSTORMS IS EXPECTED TO DEVELOP OVER
 NORTHERN KANSAS THIS EVENING...AND MAY ORGANIZE INTO A THUNDERSTORM
 COMPLEX AS IT TRACKS INTO FAR NORTHEAST KANSAS AND NORTHWEST
 MISSOURI AFTER MIDNIGHT. THIS ACTIVITY WILL ALSO SUPPORT A
 THREAT OF DAMAGING WINDS AND LARGE HAIL...ALONG WITH LOCALLY HEAVY
 RAINFALL IN AREAS NORTH OF HIGHWAY 36.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

 THUNDERSTORMS ARE EXPECTED ACROSS THE REGION SUNDAY NIGHT THROUGH
 TUESDAY. OVERALL CONDITIONS ARE BECOMING INCREASINGLY FAVORABLE FOR
 ONE OR TWO ROUNDS OF SEVERE WEATHER ACROSS THE OUTLOOK AREA MONDAY
 AND TUESDAY. PERSONS SHOULD STAY TUNED TO LATER OUTLOOKS ON THIS
 DEVELOPING STORM.

.SPOTTER INFORMATION STATEMENT...

 SPOTTER ACTIVATION MAY BE REQUIRED ALONG AND NORTH OF THE MISSOURI
 RIVER...MAINLY AFTER 8 PM.

DEROCHE/BOOKBINDER

In the hours before

Special weather statement, May 6, 10:59 PM CDT, 2 hours 54 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, May 6, 11:56 PM CDT, 1 hour 57 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, May 7, 12:32 AM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1232 AM CDT FRI MAY 7 2010

MOZ008-017-070600-
ADAIR MO-SCHUYLER MO-
1232 AM CDT FRI MAY 7 2010

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SCHUYLER AND ADAIR
COUNTIES UNTIL 100 AM CDT...

AT 1229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 5 MILES SOUTH OF NOVINGER...OR 8 MILES WEST OF
KIRKSVILLE...MOVING NORTHEAST AT 55 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM...ALONG
WITH HEAVY RAIN.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  KIRKSVILLE...NOVINGER...BRASHEAR...GREENTOP...QUEEN CITY...
  DOWNING...KIRKSVILLE REGIONAL...MILLARD AND GIBBS.

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4060 9235 4015 9235 4007 9242 4004 9270
      4015 9286 4021 9286 4034 9273 4034 9269
      4037 9270 4061 9236
TIME...MOT...LOC 0532Z 226DEG 50KT 4019 9269

ACH/DD
Local storm report, May 7, 12:52 AM CDT, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1252 AM CDT FRI MAY 07 2010

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

1246 AM     HAIL             3 E KIRKSVILLE          40.20N 92.52W
05/07/2010  E0.88 INCH       ADAIR              MO   TRAINED SPOTTER

            DIME TO NICKEL

&&

NRR
Special weather statement, May 7, 1:19 AM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
119 AM CDT FRI MAY 7 2010

MOZ007-008-017-070645-
ADAIR MO-PUTNAM MO-SCHUYLER MO-
119 AM CDT FRI MAY 7 2010

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN SCHUYLER...SOUTHEASTERN
PUTNAM AND NORTHERN ADAIR COUNTIES UNTIL 145 AM CDT...

AT 114 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF NOVINGER...OR 13 MILES
NORTHWEST OF KIRKSVILLE...MOVING NORTHEAST AT 40 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM...ALONG
WITH HEAVY RAIN.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  GREENTOP...QUEEN CITY...DOWNING AND WORTHINGTON.

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4032 9235 4014 9286 4036 9286 4056 9236
TIME...MOT...LOC 0619Z 245DEG 36KT 4030 9274

ACH/NRR
Special weather statement, May 7, 1:29 AM CDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
129 AM CDT FRI MAY 7 2010

KSZ025-102-103-MOZ020-028-070700-
ATCHISON KS-BUCHANAN MO-DONIPHAN KS-LEAVENWORTH KS-PLATTE MO-
129 AM CDT FRI MAY 7 2010

...SIGNIFICANT WEATHER ADVISORY FOR BUCHANAN...PLATTE...NORTHERN
LEAVENWORTH...EASTERN ATCHISON AND SOUTHERN DONIPHAN COUNTIES UNTIL
200 AM CDT...

AT 123 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM WHOSE LEADING EDGE WAS LOCATED NEAR
ATCHISON...MOVING EAST AT 55 MPH.

WIND GUSTS UP TO 50 MPH ALONG THE LEADING EDGE OF THE GUST
FRONT...ALONG WITH NICKEL SIZED HAIL WITHIN THE CORE OF THE STORM
ARE EXPECTED.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LEAVENWORTH...WESTON...LANSING...PLATTE CITY...WEATHERBY LAKE...
  EASTON...RUSHVILLE...TRACY...DEARBORN...AGENCY...CAMDEN POINT...
  FERRELVIEW...EDGERTON...DONIPHAN...LEWIS AND CLARK VI...LOWEMONT...
  BEAN LAKE...IATAN...DE KALB AND FORT LEAVENWORTH.

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3973 9533 3973 9461 3965 9461 3921 9466
      3928 9518 3941 9518 3941 9536
TIME...MOT...LOC 0627Z 274DEG 48KT 3954 9514

21

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 10:02 PM CDTSpecial Weather StatementEAXNodaway43 min
May 6, 10:19 PM CDTSpecial Weather StatementEAXGentry, Harrison41 min
May 6, 10:21 PM CDTSevere Thunderstorm WarningEAXGentry, Harrison24 min
May 6, 10:29 PM CDTAreal Flood AdvisoryEAXAndrew, Gentry, Grundy, Harrison, Mercer, Nodaway and 1 more6 hr
May 6, 10:34 PM CDTSpecial Weather StatementEAXGentry26 min
May 6, 10:42 PM CDTSevere Thunderstorm WarningEAXGrundy, Harrison, Mercer33 min
May 6, 10:59 PM CDTSpecial Weather StatementEAXGentry, Harrison46 min
May 6, 11:56 PM CDTSpecial Weather StatementEAXSullivan34 min
May 7, 12:32 AM CDTSpecial Weather StatementEAXAdair, Schuyler28 min
May 7, 1:02 AM CDTAreal Flood AdvisoryEAXAtchison, Gentry, Harrison, Holt, Mercer, Nodaway and 1 more6 hr
May 7, 1:19 AM CDTSpecial Weather StatementEAXSchuyler26 min
May 7, 1:29 AM CDTSpecial Weather StatementEAXBuchanan, Platte31 min
May 7, 2:15 AM CDTSevere Thunderstorm WarningEAXBuchanan30 min
May 7, 2:28 AM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, Platte32 min
May 7, 2:47 AM CDTSpecial Weather StatementEAXJackson28 min
May 7, 2:51 AM CDTSevere Thunderstorm WarningEAXBuchanan, Caldwell, Clay, Clinton, DeKalb, Platte and 1 more24 min
May 7, 3:15 AM CDTSpecial Weather StatementEAXCaldwell, Ray30 min
May 7, 3:19 AM CDTSpecial Weather StatementEAXJackson, Lafayette26 min
May 7, 3:40 AM CDTSpecial Weather StatementEAXCarroll, Grundy, Livingston, Saline35 min
May 7, 4:09 AM CDTSpecial Weather StatementEAXChariton, Linn36 min
May 7, 4:22 AM CDTSpecial Weather StatementEAXSullivan38 min
May 7, 4:31 AM CDTAreal Flood AdvisoryEAXGentry, Harrison, Mercer, Nodaway, Putnam, Sullivan3 hr
May 7, 12:57 AM CDTSevere Thunderstorm WarningEAXAtchison33 min
May 7, 1:57 AM CDTSpecial Weather StatementEAXAtchison48 min
May 7, 2:01 AM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan, Leavenworth29 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2010Severe Thunderstorm Warnings in Kansas, 2010Every severe thunderstorm warning in 2010

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.