Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 53, NWS Kansas City, MO

May 24, 2012Harrison County, Mercer County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 24, 2012, 4:45 PM CDT for Harrison County, Mercer County, Missouri. It was in force for 45 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
May 24, 2012, 4:45 PM CDT (21:45 UTC)
Expired
May 24, 2012, 5:30 PM CDT
In force
45 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Harrison County, MO, Mercer County, MO

The radar

The Des Moines radar (KDMX), 136 km from the middle of the area, began a volume at 21:48 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
May 24, 5:05 PM CDTHAIL 1.257 Nnw Cainsville, MO

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

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.8 hours before the alert went out and 238 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 12:00Z on 2012-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 432 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 12:00Z on 2012-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
432 J/kg
Mixed-layer CIN
-440 J/kg
Mixed-layer LCL
1178 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

883 
WUUS53 KEAX 242145
SVREAX
MOC081-129-242230-
/O.NEW.KEAX.SV.W.0053.120524T2145Z-120524T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
445 PM CDT THU MAY 24 2012

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN HARRISON COUNTY IN NORTH CENTRAL MISSOURI...
  NORTHERN MERCER COUNTY IN NORTH CENTRAL MISSOURI...

* UNTIL 530 PM CDT

* AT 440 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
  OF CAINSVILLE...AND MOVING EAST AT 30 MPH.
  AT 430 PM...TRAINED WEATHER SPOTTERS REPORTED NICKEL SIZE HAIL 2   
  MILES NORTH OF EAGLEVILLE.


  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  MERCER AND SOUTH LINEVILLE.

THIS WILL IMPACT

 I-35 BETWEEN MILE MARKERS 103 AND 110.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4048 9338 4040 9401 4052 9397 4058 9387
      4058 9338
TIME...MOT...LOC 2144Z 261DEG 28KT 4053 9379

HAIL...1.00IN
WIND...60 MPH

$$

AB
3 follow-up statements
993 
WWUS53 KEAX 242205
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
505 PM CDT THU MAY 24 2012

MOC081-129-242230-
/O.CON.KEAX.SV.W.0053.000000T0000Z-120524T2230Z/
HARRISON MO-MERCER MO-
505 PM CDT THU MAY 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MERCER AND NORTHEASTERN HARRISON COUNTIES UNTIL 530 PM CDT...

AT 501 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST 
OF MERCER...AND MOVING EAST AT 30 MPH. NUMEROUS QUARTER SIZED HAIL 
REPORTS HAVE BEEN RECEIVED NORTH AND NORTHEAST OF EAGLEVILLE 
PREVIOUSLY WITH THIS STORM.

HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR
         TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
MERCER AND SOUTH LINEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4045 9399 4053 9383 4058 9373 4058 9338
      4048 9338 4040 9401
TIME...MOT...LOC 2204Z 261DEG 28KT 4055 9359

HAIL...1.25IN
WIND...60 MPH

$$

AB
762 
WWUS53 KEAX 242217
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
517 PM CDT THU MAY 24 2012

MOC081-129-242230-
/O.CON.KEAX.SV.W.0053.000000T0000Z-120524T2230Z/
HARRISON MO-MERCER MO-
517 PM CDT THU MAY 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MERCER AND EAST CENTRAL HARRISON COUNTIES UNTIL 530 PM CDT...

AT 514 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MERCER...AND
MOVING EAST AT 30 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN MERCER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4042 9389 4050 9381 4058 9363 4058 9338
      4048 9338
TIME...MOT...LOC 2217Z 261DEG 28KT 4057 9346

HAIL...1.00IN
WIND...60 MPH

$$

AB
794 
WWUS53 KEAX 242230
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
530 PM CDT THU MAY 24 2012

MOC081-129-242239-
/O.EXP.KEAX.SV.W.0053.000000T0000Z-120524T2230Z/
HARRISON MO-MERCER MO-
530 PM CDT THU MAY 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MERCER AND EAST
CENTRAL HARRISON COUNTIES WILL EXPIRE AT 530 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED.

LAT...LON 4042 9389 4050 9381 4058 9363 4058 9338
      4048 9338
TIME...MOT...LOC 2229Z 261DEG 28KT 4058 9334

$$

AB

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 4:12 PM CDTSpecial Weather StatementEAXHarrison48 min
May 24, 4:18 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer27 min
May 24, 5:12 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer18 min
May 24, 5:28 PM CDTSpecial Weather StatementEAXMercer47 min
May 24, 5:54 PM CDTSevere Thunderstorm WarningEAXCaldwell, Clinton, Daviess, DeKalb35 min
May 24, 6:04 PM CDTSpecial Weather StatementEAXPutnam, Schuyler41 min
May 24, 6:53 PM CDTSpecial Weather StatementEAXClay37 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012Every severe thunderstorm warning in 2012

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.