Alert archive / Missouri / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 216, NWS Kansas City, MO

September 9, 20144 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 9, 2014, 8:26 PM CDT for 4 counties in Missouri. It was in force for 49 min. 1 report 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
Sep 9, 2014, 8:26 PM CDT (01:26 UTC)
Expired
Sep 9, 2014, 9:15 PM CDT
In force
49 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
2.5 in
Wind
75.0 mph

Counties Andrew County, MO, Buchanan County, MO, DeKalb County, MO, Gentry County, MO

The radar

The Pleasant Hill radar (KEAX), 135 km from the middle of the area, began a volume at 01:29 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
Sep 9, 8:51 PM CDTHAIL 1.251 N Savannah, MOLIGHT RAIN, WITH HAIL UP TO HALF DOLLAR. EARLIER HAD PEA SIZE HAIL.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 9, 3:34 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 1.4 hours before the alert went out and 135 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 2014-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1708 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2014-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.19395878Sfc1 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
1708 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1605 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
385 m²/s²
Significant tornado parameter
1.0
Supercell composite
19.0

Open this sounding in Storm Lab

The text

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

564 
WUUS53 KEAX 100126
SVREAX
MOC003-021-063-075-100215-
/O.NEW.KEAX.SV.W.0216.140910T0126Z-140910T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
826 PM CDT TUE SEP 9 2014

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANDREW COUNTY IN NORTHWEST MISSOURI...
  NORTHEASTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI...
  WESTERN DEKALB COUNTY IN NORTHWEST MISSOURI...
  SOUTHWESTERN GENTRY COUNTY IN NORTHWEST MISSOURI...

* UNTIL 915 PM CDT

* AT 824 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
  SAVANNAH...AND MOVING SOUTHEAST AT 30 MPH.

AT 820 PM...TRAINED WEATHER SPOTTERS REPORTED PING PONG BALL SIZE 
HAIL 5 MILES SOUTHWEST OF BOLCKOW.

  HAZARD...TENNIS BALL SIZE HAIL AND 75 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO
           MOBILE HOMES...ROOFS AND OUTBUILDINGS.

* LOCATIONS IMPACTED INCLUDE...
  SAVANNAH...UNION STAR...KING CITY...CLARKSDALE...REA...HELENA AND
  COSBY.

THIS WILL IMPACT

 I-29 BETWEEN MILE MARKERS 53 AND 65.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4006 9443 3975 9452 3975 9462 3995 9499
      3996 9500 4013 9488 4013 9476
TIME...MOT...LOC 0126Z 300DEG 25KT 4003 9483

HAIL...2.50IN
WIND...75MPH

$$

HAWBLITZEL
1 follow-up statement
801 
WWUS53 KEAX 100156
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
856 PM CDT TUE SEP 9 2014

MOC021-075-100206-
/O.CAN.KEAX.SV.W.0216.000000T0000Z-140910T0215Z/
BUCHANAN MO-GENTRY MO-
856 PM CDT TUE SEP 9 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GENTRY AND
NORTHEASTERN BUCHANAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREAS.

LAT...LON 3980 9451 3982 9458 3989 9481 4002 9478
      4006 9468 3999 9445 3984 9449
TIME...MOT...LOC 0156Z 300DEG 25KT 3991 9463

$$

MOC003-063-100215-
/O.CON.KEAX.SV.W.0216.000000T0000Z-140910T0215Z/
DEKALB MO-ANDREW MO-
856 PM CDT TUE SEP 9 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
ANDREW AND WESTERN DEKALB COUNTIES UNTIL 915 PM CDT...

AT 851 PM...TRAINED WEATHER SPOTTERS REPORTED HALF DOLLAR SIZE HAIL 
1 MILE NORTH OF SAVANNAH.

AT 854 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF UNION STAR...AND MOVING SOUTHEAST AT 30 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT WIND
         DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
CLARKSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3980 9451 3982 9458 3989 9481 4002 9478
      4006 9468 3999 9445 3984 9449
TIME...MOT...LOC 0156Z 300DEG 25KT 3991 9463

HAIL...1.50IN
WIND...60MPH

$$

HAWBLITZEL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 7:05 PM CDTTornado WarningEAXAndrew, Holt, Nodaway25 min
Sep 9, 7:15 PM CDTTornado WarningEAXHarrison30 min
Sep 9, 7:29 PM CDTTornado WarningEAXAndrew, Holt, Nodaway31 min
Sep 9, 7:35 PM CDTTornado WarningEAXHarrison, Mercer25 min
Sep 9, 7:44 PM CDTFlash Flood WarningEAXHolt, Nodaway6 hr
Sep 9, 7:46 PM CDTRiver Flood WarningEAXAtchison, Holt59 hr
Sep 9, 7:47 PM CDTSevere Thunderstorm WarningEAXAndrew, Holt, Nodaway43 min
Sep 9, 7:54 PM CDTRiver Flood WarningEAXAndrew, Holt, Nodaway55 hr
Sep 9, 7:56 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer49 min
Sep 9, 9:10 PM CDTSevere Thunderstorm WarningEAXAndrew, DeKalb38 min
Sep 9, 9:14 PM CDTFlash Flood WarningEAXAndrew6 hr
Sep 9, 9:30 PM CDTSevere Thunderstorm WarningEAXAdair, Grundy, Linn, Macon, Sullivan45 min
Sep 9, 10:33 PM CDTAreal Flood AdvisoryEAXDaviess, DeKalb, Gentry, Grundy, Harrison, Linn and 2 more6 hr
Sep 9, 10:36 PM CDTRiver Flood WarningEAXAndrew, Nodaway56 hr
Sep 9, 10:36 PM CDTRiver Flood WarningEAXAndrew, Buchanan67 hr
Sep 9, 10:47 PM CDTFlash Flood WarningEAXGrundy, Linn, Livingston, Sullivan6 hr
Sep 9, 11:39 PM CDTAreal Flood WarningEAXAndrew, Atchison, Holt, Nodaway19 hr
Sep 9, 11:42 PM CDTFlash Flood WarningEAXAdair, Macon5 hr
Sep 10, 12:11 AM CDTFlash Flood WarningEAXDaviess, DeKalb, Gentry, Harrison8 hr
Sep 10, 1:45 AM CDTRiver Flood WarningEAXDaviess, Gentry3 days
Sep 10, 1:45 AM CDTRiver Flood WarningEAXDaviess, Livingston4 days
Sep 10, 1:45 AM CDTRiver Flood WarningEAXLinn, Livingston5 days
Sep 10, 1:45 AM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston7 days
Sep 10, 1:45 AM CDTRiver Flood WarningEAXCarroll, Chariton9 days
Sep 10, 1:45 AM CDTRiver Flood WarningEAXGrundy, Livingston48 hr
Sep 10, 1:49 AM CDTRiver Flood WarningEAXBuchanan5 days
Sep 10, 2:47 AM CDTRiver Flood WarningEAXAndrew, Buchanan4 days
Sep 10, 4:27 AM CDTFlash Flood WarningEAXAdair, Chariton, Grundy, Linn, Livingston, Macon and 1 more6 hr
Sep 10, 5:01 AM CDTRiver Flood WarningEAXChariton, Macon4 days
Sep 10, 6:34 AM CDTAreal Flood WarningEAXDaviess, DeKalb, Gentry, Harrison, Nodaway, Worth12 hr
Sep 10, 7:11 AM CDTRiver Flood WarningEAXAdair, Macon, Putnam, Schuyler35 hr
Sep 10, 9:12 AM CDTRiver Flood WarningEAXPlatte5 days
Sep 10, 9:12 AM CDTRiver Flood WarningEAXPlatte5 days
Sep 10, 9:31 AM CDTRiver Flood WarningEAXBuchanan, Platte51 hr
Sep 10, 9:31 AM CDTRiver Flood WarningEAXClay, Jackson, Ray71 hr
Sep 10, 9:31 AM CDTRiver Flood WarningEAXJackson, Lafayette, Ray4 days
Sep 10, 9:31 AM CDTRiver Flood WarningEAXCarroll, Lafayette, Saline4 days
Sep 10, 9:31 AM CDTRiver Flood WarningEAXCarroll, Chariton, Saline6 days
Sep 10, 9:31 AM CDTRiver Flood WarningEAXChariton, Howard, Saline6 days
Sep 10, 9:31 AM CDTRiver Flood WarningEAXCooper, Howard6 days
Sep 10, 10:32 AM CDTAreal Flood WarningEAXAdair, Carroll, Chariton, Grundy, Linn, Livingston and 4 more8 hr
Sep 10, 5:40 PM CDTAreal Flood WarningEAXAdair, Andrew, Atchison, Caldwell, Chariton, Daviess and 15 more24 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2014Every severe thunderstorm warning in 2014

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.