Alert archive / Missouri / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 13, NWS Springfield, MO

March 20, 2007Barry County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 20, 2007, 1:59 AM CDT for Barry County, Missouri. It was in force for 61 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: Mar 20, 2007, 1:59 AM CDT (06:59 UTC)
Expired: Mar 20, 2007, 3:00 AM CDT
In force: 61 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Barry County, MO

The radar

The Springfield radar (KSGF), 60 km from the middle of the area, began a volume at 06:58 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

Springfield, MO (KSGF), launched 00:00Z, 7.0 hours before the alert went out and 9 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: 542 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000
WUUS53 KSGF 200659
SVRSGF
MOC009-200800-
/O.NEW.KSGF.SV.W.0013.070320T0659Z-070320T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
159 AM CDT TUE MAR 20 2007

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARRY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 300 AM CDT.

* AT 153 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR BUTTERFIELD...OR 6 MILES NORTHWEST
  OF CASSVILLE...AND MOVING NORTHEAST AT 15 MPH. THIS STORM IS
  CAPABLE OF PRODUCING QUARTER SIZE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PURDY BY 205 AM CDT.

THE TOWNS OF MCDOWELL...PLEASANT RIDGE AND MADRY ARE ALSO IN THE PATH
OF THIS SEVERE THUNDERSTORM.

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL...IF YOU
ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS.

LAT...LON 3677 9405 3669 9395 3682 9358 3682 9363
      3692 9363 3692 9383

$$

CRAMER

2 follow-up statements

000
WWUS53 KSGF 200726
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
227 AM CDT TUE MAR 20 2007

MOC009-200800-
/O.CON.KSGF.SV.W.0013.000000T0000Z-070320T0800Z/
BARRY MO-
227 AM CDT TUE MAR 20 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT 
FOR BARRY COUNTY...

AT 223 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR PURDY...OR 7 MILES NORTH OF
CASSVILLE...AND MOVING NORTHEAST AT 15 MPH. THIS STORM IS CAPABLE OF
PRODUCING QUARTER SIZE HAIL.

THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN BARRY COUNTY...INCLUDING THE TOWNS OF MCDOWELL AND
MADRY.

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL...IF YOU
ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS.

LAT...LON 3680 9395 3673 9389 3682 9358 3682 9363
      3692 9363 3692 9383

$$

CRAMER

000
WWUS53 KSGF 200801
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
300 AM CDT TUE MAR 20 2007

MOC009-200810-
/O.EXP.KSGF.SV.W.0013.000000T0000Z-070320T0800Z/
BARRY MO-
300 AM CDT TUE MAR 20 2007

...THE SEVERE THUNDERSTORM WARNING FOR BARRY COUNTY EXPIRES AT 300 
AM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

HOWEVER...DUE TO THE SLOW MOVEMENT OF THIS STORM...A FEW AREAS OF 
FLASH FLOODING WILL LIKELY OCCUR.  LOCATIONS FROM NEAR PURDY AND 
BUTTERFIELD...UP TO MCDOWELL MAY EXPERIENCE FLOODING OF LOW WATER 
CROSSINGS AND OTHER LOW LYING AREAS.

LAT...LON 3680 9395 3673 9389 3682 9358 3682 9363
      3692 9363 3692 9383

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 20, 2:09 AM CDT	Flash Flood Warning	SGF	Jasper	6 hr
Mar 20, 2:48 AM CDT	Flash Flood Warning	SGF	Barry	6 hr
Mar 20, 3:14 AM CDT	Flash Flood Warning	SGF	Newton	6 hr
Mar 20, 3:25 AM CDT	Flash Flood Warning	SGF	Lawrence	6 hr
Mar 20, 10:00 AM CDT	Flash Flood Warning	SGF	Greene, Webster	6 hr
Mar 20, 10:00 AM CDT	Flash Flood Warning	SGF	Greene, Webster	6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2007 Every severe thunderstorm warning in 2007

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.