Alert archive / Kansas / Special Weather Statements in 2012

Special Weather Statement, NWS Springfield, MO

July 13, 2012Bourbon County, Kansas

NWS Springfield, MO issued this special weather statement at Jul 13, 2012, 12:35 PM CDT for Bourbon County, Kansas. It was in force for 40 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: Jul 13, 2012, 12:35 PM CDT (17:35 UTC)
Expired: Jul 13, 2012, 1:15 PM CDT
In force: 40 min
Issued by: NWS Springfield, MO

County Bourbon County, KS

The radar

The Pleasant Hill radar (KEAX), 112 km from the middle of the area, began a volume at 17:37 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 12:00Z, 5.6 hours before the alert went out and 150 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: 168 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1613 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Jul 13, 6:04 AM CDT, 6 hours 31 minutes earlier.

Area forecast discussion, Jul 13, 6:04 AM CDT, 6 hours 31 minutes before

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Hazardous weather outlook, Jul 13, 5:57 AM CDT, 6 hours 38 minutes before

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In the hours before

Special weather statement, Jul 13, 12:35 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1235 PM CDT FRI JUL 13 2012

KSZ073-097-MOZ066-131815-
BOURBON KS-CRAWFORD KS-VERNON MO-
1235 PM CDT FRI JUL 13 2012

...SIGNIFICANT WEATHER ADVISORY FOR BOURBON...NORTHERN CRAWFORD AND
WESTERN VERNON COUNTIES UNTIL 115 PM CDT...

AT 1232 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR PETERSBURG...OR 15 MILES WEST OF FORT
SCOTT. THIS STORM WAS NEARLY STATIONARY. OTHER STRONG STORMS WERE
LOCATED 4 MILES NORTHEAST OF FORT SCOTT TRACK SLOWLY SOUTHEAST AT 5
MPH. PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH
THESE STORMS.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

LAT...LON 3788 9508 3804 9509 3805 9508 3805 9504
      3804 9504 3804 9463 3806 9462 3806 9445
      3767 9446 3760 9509 3781 9510
TIME...MOT...LOC 1733Z 289DEG 2KT 3781 9499

DSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 2:28 PM CDT	Special Weather Statement	SGF	Jasper	47 min
Jul 13, 2:50 PM CDT	Special Weather Statement	SGF	Cedar	25 min
Jul 13, 6:13 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Texas, Wright	47 min
Jul 13, 6:17 PM CDT	Special Weather Statement	SGF	Christian	28 min
Jul 13, 6:23 PM CDT	Special Weather Statement	SGF	Phelps	52 min
Jul 13, 6:29 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	46 min
Jul 13, 1:27 PM CDT	Special Weather Statement	SGF	Bourbon	48 min

Nearby

Special Weather Statements in Kansas, 2012 Every special weather statement in 2012

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.