Alert archive / Missouri / Special Weather Statements in 2013

Special Weather Statement, NWS Springfield, MO

August 7, 2013Barton County, Vernon County, Missouri

NWS Springfield, MO issued this special weather statement at Aug 7, 2013, 3:21 AM CDT for Barton County, Vernon County, Missouri. It was in force for 39 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: Aug 7, 2013, 3:21 AM CDT (08:21 UTC)
Expired: Aug 7, 2013, 4:00 AM CDT
In force: 39 min
Issued by: NWS Springfield, MO

Counties Barton County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 100 km from the middle of the area, began a volume at 08:23 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, 8.4 hours before the alert went out and 120 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: 860 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 1527 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

577 
WWUS83 KSGF 070821
SPSSGF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
321 AM CDT WED AUG 7 2013

MOZ066-077-088-070900-
BARTON MO-JASPER MO-VERNON MO-
321 AM CDT WED AUG 7 2013

...SIGNIFICANT WEATHER ADVISORY FOR BARTON...NORTHERN JASPER AND
VERNON COUNTIES UNTIL 400 AM CDT...

AT 317 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST OF
METZ TO 4 MILES EAST OF MINDENMINES...MOVING EAST AT 35 MPH. WINDS
AROUND 50 MPH ARE EXPECTED WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE BOSTON...BRONAUGH...BURGESS...DEERFIELD...
DUDENVILLE...GOLDEN CITY...HANNON...HARWOOD...HORTON...IANTHA...
IRWIN...JASPER...KENOMA...LAMAR HEIGHTS...LAMAR...LIBERAL...METZ...
MILFORD...MILO...MINDENMINES...MONTEVALLO...MOUNDVILLE...NASHVILLE...
NEVADA...OAKTON...OSKALOOSA...RICHARDS...SCHELL CITY...SHELDON...
STOTESBURY...VERDELLA AND WALKER.

OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ADVISORY INCLUDE PRAIRIE
STATE PARK. 

THESE STORMS ARE PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INDOORS IMMEDIATELY AND STAY AWAY FROM
WINDOWS.

HEAVY RAINS MAY QUICKLY FLOOD LOW LYING AREAS SUCH AS CREEKS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS AUTOMOBILES CAN QUICKLY STALL.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CDT
WEDNESDAY MORNING FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI.

LAT...LON 3806 9462 3806 9427 3804 9423 3806 9421
      3805 9419 3806 9412 3804 9411 3804 9405
      3727 9408 3727 9462
TIME...MOT...LOC 0822Z 268DEG 22KT 3796 9445 3748 9448

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 12:10 AM CDT	Flash Flood Warning Emergency	SGF	Maries, Miller, Phelps, Pulaski	8 hr
Aug 7, 1:12 AM CDT	Special Weather Statement	SGF	Phelps	63 min
Aug 7, 1:35 AM CDT	Special Weather Statement	SGF	Benton	55 min
Aug 7, 2:45 AM CDT	Flash Flood Warning	SGF	Dent, Shannon	5 hr
Aug 7, 2:59 AM CDT	Flash Flood Warning	SGF	Benton, Morgan	5 hr
Aug 7, 3:07 AM CDT	Flash Flood Warning	SGF	Vernon	5 hr
Aug 7, 3:26 AM CDT	Special Weather Statement	SGF	Miller	64 min
Aug 7, 3:38 AM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller, Pulaski	52 min
Aug 7, 4:02 AM CDT	Special Weather Statement	SGF	Dade, Polk	58 min
Aug 7, 4:19 AM CDT	Flash Flood Warning	SGF	Camden	4 hr
Aug 7, 4:34 AM CDT	Flash Flood Warning	SGF	Phelps, Pulaski, Texas	7 hr
Aug 7, 4:39 AM CDT	Special Weather Statement	SGF	Greene	36 min
Aug 7, 5:33 AM CDT	Special Weather Statement	SGF	Texas, Wright	57 min
Aug 7, 5:38 AM CDT	Flash Flood Warning	SGF	Laclede, Wright	4 hr
Aug 7, 5:49 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Texas, Wright	56 min
Aug 7, 6:21 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Shannon, Texas	39 min
Aug 7, 6:50 AM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Oregon, Shannon, Texas	3 hr
Aug 7, 6:51 AM CDT	Special Weather Statement	SGF	Howell, Oregon, Shannon	39 min
Aug 7, 7:57 AM CDT	Flash Flood Warning Emergency	SGF	Maries, Miller, Phelps, Pulaski	7 hr
Aug 7, 7:58 AM CDT	Areal Flood Warning	SGF	Vernon	4 hr
Aug 7, 8:01 AM CDT	Flash Flood Warning	SGF	Dent, Shannon	4 hr
Aug 7, 8:04 AM CDT	Areal Flood Warning	SGF	Benton, Camden, Morgan	4 hr
Aug 7, 9:51 AM CDT	Areal Flood Advisory	SGF	Douglas, Howell, Oregon, Ozark, Shannon, Taney and 2 more	6 hr
Aug 7, 9:56 AM CDT	Areal Flood Warning	SGF	Laclede, Wright	27 hr
Aug 7, 11:53 AM CDT	Areal Flood Warning	SGF	Dent, Phelps, Pulaski, Shannon, Texas	24 hr
Aug 7, 2:40 PM CDT	River Flood Warning	SGF	Shannon	18 hr
Aug 7, 2:57 PM CDT	Areal Flood Warning	SGF	Maries, Miller, Phelps, Pulaski	21 hr
Aug 7, 2:16 AM CDT	Special Weather Statement	SGF	Bourbon, Cherokee, Crawford	59 min
Aug 7, 2:30 AM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Cherokee, Crawford	60 min
Aug 7, 4:42 AM CDT	River Flood Warning	SGF	Bourbon	40 hr
Aug 7, 6:24 AM CDT	River Flood Warning	SGF	Bourbon	31 hr

Nearby

Special Weather Statements in Missouri, 2013 Every special weather statement 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.