Alert archive / Missouri / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Kansas City, MO

May 15, 2013Andrew County, Nodaway County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 15, 2013, 8:12 PM CDT for Andrew County, Nodaway County, Missouri. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 15, 2013, 8:12 PM CDT (01:12 UTC)
Expired
May 15, 2013, 8:45 PM CDT
In force
33 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Andrew County, MO, Nodaway County, MO

The radar

The Pleasant Hill radar (KEAX), 149 km from the middle of the area, began a volume at 01:13 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.2 hours before the alert went out and 144 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 2013-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 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 2013-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 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
860 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1541 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

457 
WUUS53 KEAX 160112
SVREAX
MOC003-147-160145-
/O.NEW.KEAX.SV.W.0021.130516T0112Z-130516T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
812 PM CDT WED MAY 15 2013

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL ANDREW COUNTY IN NORTHWEST MISSOURI...
  SOUTH CENTRAL NODAWAY COUNTY IN NORTHWEST MISSOURI...

* UNTIL 845 PM CDT

* AT 808 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTH OF
  SAVANNAH...AND MOVING NORTHEAST AT 10 MPH.

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

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
           ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  REA AND BOLCKOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4012 9464 4005 9468 4001 9478 4005 9490
      4015 9485 4016 9474
TIME...MOT...LOC 0112Z 227DEG 7KT 4006 9478

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

$$

BLAIR
2 follow-up statements
808 
WWUS53 KEAX 160127
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
827 PM CDT WED MAY 15 2013

MOC003-147-160145-
/O.CON.KEAX.SV.W.0021.000000T0000Z-130516T0145Z/
NODAWAY MO-ANDREW MO-
827 PM CDT WED MAY 15 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
ANDREW AND SOUTH CENTRAL NODAWAY COUNTIES UNTIL 845 PM CDT...

AT 822 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTH OF 
SAVANNAH...AND MOVING NORTHEAST AT 10 MPH.

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

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN NODAWAY AND NORTHERN
  ANDREW COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4012 9466 4005 9468 4001 9478 4004 9484
      4015 9485 4016 9474
TIME...MOT...LOC 0127Z 212DEG 9KT 4009 9476

HAIL...0.88IN
WIND...60MPH

$$

BLAIR
795 
WWUS53 KEAX 160138
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
838 PM CDT WED MAY 15 2013

MOC003-147-160148-
/O.EXP.KEAX.SV.W.0021.000000T0000Z-130516T0145Z/
NODAWAY MO-ANDREW MO-
838 PM CDT WED MAY 15 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ANDREW AND SOUTH
CENTRAL NODAWAY COUNTIES WILL EXPIRE AT 845 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY 
HOWEVER...GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4012 9466 4005 9468 4001 9478 4004 9484
      4015 9485 4016 9474
TIME...MOT...LOC 0138Z 212DEG 9KT 4011 9474

$$

BLAIR

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:04 PM CDTSpecial Weather StatementEAXHolt41 min
May 15, 7:18 PM CDTSevere Thunderstorm WarningEAXHolt27 min
May 15, 8:06 PM CDTSpecial Weather StatementEAXAndrew39 min
May 15, 8:18 PM CDTSevere Thunderstorm WarningEAXMacon42 min
May 15, 10:01 PM CDTSpecial Weather StatementEAXGrundy29 min
May 15, 10:35 PM CDTSpecial Weather StatementEAXGrundy25 min
May 15, 10:39 PM CDTSevere Thunderstorm WarningEAXGrundy36 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2013Every severe thunderstorm warning in 2013

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.