Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS Kansas City, MO

March 22, 2011Daviess County, DeKalb County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 22, 2011, 9:12 PM CDT for Daviess County, DeKalb County, Missouri. It was in force for 33 min. 2 reports 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 22, 2011, 9:12 PM CDT (02:12 UTC)
Expired: Mar 22, 2011, 9:45 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 Daviess County, MO, DeKalb County, MO

The radar

The Pleasant Hill radar (KEAX), 134 km from the middle of the area, began a volume at 02:15 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 22, 9:18 PM CDT	HAIL 0.88	Pattonsburg, MO
Mar 22, 9:33 PM CDT	HAIL 1	7 Nw Jamesport, MO

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.

Issued	Product	Office	Lasted
Mar 22, 8:35 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.2 hours before the alert went out and 176 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: 983 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1982 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 195 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

308 
WUUS53 KEAX 230212
SVREAX
MOC061-063-230245-
/O.NEW.KEAX.SV.W.0013.110323T0212Z-110323T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
912 PM CDT TUE MAR 22 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DAVIESS COUNTY IN NORTH CENTRAL MISSOURI...
  NORTHEASTERN DEKALB COUNTY IN NORTHWEST MISSOURI...

* UNTIL 945 PM CDT

* AT 910 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH...AND QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 6 MILES
  WEST OF PATTONSBURG...OR 11 MILES NORTHEAST OF MAYSVILLE...AND
  MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GALLATIN...PATTONSBURG...JAMESPORT...COFFEY AND JAMESON.

THIS WILL IMPACT

 I-35 BETWEEN MILE MARKERS 65 AND 82.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR NORTHERN MISSOURI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3990 9378 3990 9434 4004 9430 4004 9423
      4013 9422 4014 9377
TIME...MOT...LOC 0212Z 270DEG 33KT 4002 9422
WIND...HAIL 60MPH 1.00IN

$$

CDB

3 follow-up statements

638 
WWUS53 KEAX 230221
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
921 PM CDT TUE MAR 22 2011

MOC063-230231-
/O.CAN.KEAX.SV.W.0013.000000T0000Z-110323T0245Z/
DEKALB MO-
921 PM CDT TUE MAR 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DEKALB COUNTY IS
CANCELLED...

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

LAT...LON 3990 9378 3990 9421 4003 9420 4013 9416
      4013 9377
TIME...MOT...LOC 0221Z 270DEG 33KT 4002 9411

$$

MOC061-230245-
/O.CON.KEAX.SV.W.0013.000000T0000Z-110323T0245Z/
DAVIESS MO-
921 PM CDT TUE MAR 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
DAVIESS COUNTY UNTIL 945 PM CDT...

AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH...AND QUARTER SIZE HAIL.  THIS STORM WAS LOCATED NEAR
PATTONSBURG...OR 12 MILES NORTHWEST OF GALLATIN...MOVING EAST AT 40
MPH.

LOCATIONS IMPACTED INCLUDE...
  GALLATIN...JAMESPORT...COFFEY AND JAMESON.

THIS WILL IMPACT

 I-35 BETWEEN MILE MARKERS 65 AND 82.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3990 9378 3990 9421 4003 9420 4013 9416
      4013 9377
TIME...MOT...LOC 0221Z 270DEG 33KT 4002 9411
WIND...HAIL 60MPH 1.00IN

$$

CDB

005 
WWUS53 KEAX 230229
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
929 PM CDT TUE MAR 22 2011

MOC061-230245-
/O.CON.KEAX.SV.W.0013.000000T0000Z-110323T0245Z/
DAVIESS MO-
929 PM CDT TUE MAR 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
DAVIESS COUNTY UNTIL 945 PM CDT...

AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH...AND QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 8 MILES NORTH
OF GALLATIN...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  JAMESPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3999 9377 3997 9378 3996 9377 3995 9377
      3994 9378 3995 9405 4002 9407 4013 9405
      4013 9377
TIME...MOT...LOC 0230Z 268DEG 45KT 4003 9394
WIND...HAIL 60MPH 1.00IN

$$

CDB

086 
WWUS53 KEAX 230248
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
948 PM CDT TUE MAR 22 2011

MOC061-230256-
/O.EXP.KEAX.SV.W.0013.000000T0000Z-110323T0245Z/
DAVIESS MO-
948 PM CDT TUE MAR 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DAVIESS COUNTY
HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED INTO GRUNDY COUNTY. 
ADDITIONAL SEVERE WEATHER IS NOT PRESENTLY ANTICIPATED FOR DAVIESS 
COUNTY...BUT THUNDERSTORMS WILL CONTINUE THROUGH 10:30 PM WITH BRIEF 
HEAVY DOWNPOURS AND POSSIBLY SOME SMALL HAIL NEAR GALLATIN.


LAT...LON 3999 9377 3997 9378 3996 9377 3995 9377
      3994 9378 3995 9405 4002 9407 4013 9405
      4013 9377
TIME...MOT...LOC 0229Z 268DEG 45KT 4003 9395

$$

BOOKBINDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 8:00 PM CDT	Special Weather Statement	EAX	Gentry, Harrison, Worth	45 min
Mar 22, 8:09 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Mercer, Worth	51 min
Mar 22, 8:32 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Daviess, DeKalb, Gentry	43 min
Mar 22, 8:58 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Harrison, Mercer	47 min
Mar 22, 9:26 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	34 min
Mar 22, 9:39 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Sullivan	36 min
Mar 22, 10:08 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Sullivan	37 min
Mar 22, 10:34 PM CDT	Special Weather Statement	EAX	Caldwell, Livingston, Ray	41 min
Mar 22, 10:43 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Schuyler	20 min
Mar 22, 10:52 PM CDT	Special Weather Statement	EAX	Sullivan	23 min
Mar 22, 10:54 PM CDT	Special Weather Statement	EAX	Linn	36 min
Mar 22, 11:01 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Sullivan	29 min
Mar 22, 11:08 PM CDT	Special Weather Statement	EAX	Carroll, Linn, Livingston, Ray	52 min
Mar 22, 11:29 PM CDT	Special Weather Statement	EAX	Adair	31 min
Mar 23, 12:46 AM CDT	Special Weather Statement	EAX	Macon	29 min
Mar 23, 12:50 AM CDT	Special Weather Statement	EAX	Randolph	25 min
Mar 23, 1:11 AM CDT	Severe Thunderstorm Warning	EAX	Howard, Macon, Randolph	34 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Every severe thunderstorm warning in 2011

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.