Alert archive / Missouri / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Kansas City, MO

March 24, 2009Daviess County, Grundy County, Harrison County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 24, 2009, 1:14 AM CDT for Daviess County, Grundy County, Harrison County, Missouri. It was in force for 31 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: Mar 24, 2009, 1:14 AM CDT (06:14 UTC)
Expired: Mar 24, 2009, 1:45 AM CDT
In force: 31 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

Counties Daviess County, MO, Grundy County, MO, Harrison County, MO

The radar

The Pleasant Hill radar (KEAX), 158 km from the middle of the area, began a volume at 06:14 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

Time	Report	Where	Remark
Mar 24, 1:22 AM CDT	HAIL 0.75	Brimson, 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 00:00Z, 6.2 hours before the alert went out and 215 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 594 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 353 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 240614
SVREAX
MOC061-079-081-240645-
/O.NEW.KEAX.SV.W.0021.090324T0614Z-090324T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
114 AM CDT TUE MAR 24 2009

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DAVIESS COUNTY IN NORTH CENTRAL MISSOURI
  GRUNDY COUNTY IN NORTH CENTRAL MISSOURI
  SOUTHEASTERN HARRISON COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 145 AM CDT

* AT 111 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
  NORTHWEST OF JAMESPORT...OR 8 MILES NORTHEAST OF GALLATIN...AND
  MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GILMAN CITY AROUND 120 AM CDT.
  TRENTON AROUND 130 AM CDT.
  SPICKARD AROUND 140 AM CDT.
  GALT AROUND 145 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BRIMSON
AND TINDALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

&&

LAT...LON 4026 9337 4008 9338 3992 9386 4006 9400
      4026 9374
TIME...MOT...LOC 0613Z 239DEG 40KT 4003 9387

$$

NRR

2 follow-up statements

000 
WWUS53 KEAX 240631
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
131 AM CDT TUE MAR 24 2009

MOC061-081-240639-
/O.CAN.KEAX.SV.W.0021.000000T0000Z-090324T0645Z/
DAVIESS MO-HARRISON MO-
131 AM CDT TUE MAR 24 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARRISON AND
NORTHEASTERN DAVIESS COUNTIES IS CANCELLED...

AT 129 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

&&

LAT...LON 4019 9337 4008 9338 3997 9376 4026 9374
      4026 9337
TIME...MOT...LOC 0629Z 239DEG 40KT 4012 9367

$$

MOC079-240645-
/O.CON.KEAX.SV.W.0021.000000T0000Z-090324T0645Z/
GRUNDY MO-
131 AM CDT TUE MAR 24 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GRUNDY COUNTY
UNTIL 145 AM CDT...

AT 122 AM CDT...TRAINED WEATHER SPOTTERS REPORTED THREE QUARTER INCH 
HAIL IN BRIMSON. DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR 
TRENTON...MOVING NORTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPICKARD BY 140 AM CDT.
  7 MILES NORTHWEST OF GALT BY 145 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TINDALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

&&

LAT...LON 4019 9337 4008 9338 3997 9376 4026 9374
      4026 9337
TIME...MOT...LOC 0629Z 239DEG 40KT 4012 9367

$$

NRR

000 
WWUS53 KEAX 240643
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
143 AM CDT TUE MAR 24 2009

MOC079-240653-
/O.EXP.KEAX.SV.W.0021.000000T0000Z-090324T0645Z/
GRUNDY MO-
143 AM CDT TUE MAR 24 2009

...THE SEVERE THUNDERSTORM WARNING FOR GRUNDY COUNTY WILL EXPIRE AT
145 AM CDT...

AT 142 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN PLEASANT HILL.

&&

LAT...LON 4019 9337 4008 9338 3997 9376 4026 9374
      4026 9337
TIME...MOT...LOC 0643Z 239DEG 40KT 4020 9349

$$

NRR

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 7:04 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	41 min
Mar 23, 8:12 PM CDT	Severe Thunderstorm Warning	EAX	Holt	33 min
Mar 23, 8:42 PM CDT	Severe Thunderstorm Warning	EAX	Holt, Nodaway	33 min
Mar 24, 12:36 AM CDT	Areal Flood Advisory	EAX	Buchanan, Platte	5 hr
Mar 24, 7:47 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	13 hr
Mar 24, 8:03 AM CDT	Severe Thunderstorm Warning	EAX	Bates, Henry	27 min
Mar 24, 8:24 AM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	36 min
Mar 24, 8:48 AM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Saline	27 min
Mar 24, 8:51 AM CDT	River Flood Warning	EAX	Buchanan	53 hr
Mar 24, 9:27 AM CDT	River Flood Warning	EAX	Linn, Livingston	69 hr
Mar 24, 9:27 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	5 days
Mar 24, 12:08 PM CDT	Areal Flood Warning	EAX	Adair, Daviess, DeKalb, Gentry, Grundy, Harrison and 6 more	18 hr
Mar 24, 12:17 PM CDT	River Flood Warning	EAX	Andrew, Buchanan	21 hr
Mar 24, 12:41 PM CDT	Areal Flood Warning	EAX	Cooper, Howard	24 hr
Mar 24, 1:44 PM CDT	River Flood Warning	EAX	Cooper	22 hr
Mar 24, 1:44 PM CDT	River Flood Warning	EAX	Cooper	34 hr
Mar 24, 2:48 PM CDT	River Flood Warning	EAX	Howard	18 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2009 Every severe thunderstorm warning in 2009

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.