Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 65, NWS Springfield, MO

April 13, 2012Greene County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 13, 2012, 8:35 PM CDT for Greene County, Missouri. It was in force for 24 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: Apr 13, 2012, 8:35 PM CDT (01:35 UTC)
Expired: Apr 13, 2012, 8:59 PM CDT
In force: 24 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Greene County, MO

The radar

The Springfield radar (KSGF), 5 km from the middle of the area, began a volume at 01:39 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
Apr 13, 9:04 PM CDT	HAIL 0.5	Battlefield, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.6 hours before the alert went out and 55 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: 677 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

973 
WUUS53 KSGF 140135
SVRSGF
MOC077-140215-
/O.NEW.KSGF.SV.W.0065.120414T0135Z-120414T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
835 PM CDT FRI APR 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 915 PM CDT

* AT 829 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR REPUBLIC...
  AND MOVING EAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.

* LOCATIONS IMPACTED INCLUDE...
  BATTLEFIELD...STRAFFORD...FAIR GROVE...BOIS D'ARC...GLIDEWELL...
  GALLOWAY...EBENEZER...TURNERS...BASSVILLE AND NORTHERN SPRINGFIELD.

INTERSTATE 44 BETWEEN MILE MARKERS 59 AND 90 WILL ALSO BE IMPACTED BY
THE SEVERE THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING
KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3710 9360 3724 9360 3742 9309 3741 9308
      3709 9307
TIME...MOT...LOC 0135Z 248DEG 34KT 3715 9349

HAIL...1.00IN
WIND...<50 MPH

$$

GRIFFIN

1 follow-up statement

465 
WWUS53 KSGF 140159
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
859 PM CDT FRI APR 13 2012

MOC077-140210-
/O.CAN.KSGF.SV.W.0065.000000T0000Z-120414T0215Z/
GREENE MO-
859 PM CDT FRI APR 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR GREENE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 3710 9360 3724 9360 3742 9309 3741 9308
      3709 9307
TIME...MOT...LOC 0200Z 248DEG 34KT 3724 9321

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 7:03 PM CDT	Special Weather Statement	SGF	Dade	42 min
Apr 13, 7:15 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence	45 min
Apr 13, 7:59 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Lawrence	31 min
Apr 13, 8:18 PM CDT	Special Weather Statement	SGF	Greene	42 min
Apr 13, 8:28 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Dallas, Greene, Polk	25 min
Apr 13, 9:10 PM CDT	Flash Flood Watch	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	13 hr
Apr 13, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Polk	36 min
Apr 13, 9:43 PM CDT	Flash Flood Warning	SGF	Camden, Maries, Miller, Morgan	6 hr
Apr 13, 11:00 PM CDT	Flash Flood Warning	SGF	Phelps, Pulaski	5 hr
Apr 14, 1:11 AM CDT	Special Weather Statement	SGF	Morgan	49 min
Apr 14, 4:01 AM CDT	Areal Flood Warning	SGF	Camden, Maries, Miller, Morgan, Phelps, Pulaski	12 hr
Apr 14, 5:48 AM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 14, 7:12 AM CDT	Flash Flood Warning	SGF	Jasper, Lawrence, McDonald, Newton	6 hr
Apr 14, 12:53 PM CDT	Areal Flood Warning	SGF	Jasper, Newton	6 hr
Apr 14, 3:59 PM CDT	Areal Flood Warning	SGF	Benton, Camden, Laclede, Maries, Miller, Morgan and 2 more	9 hr
Apr 14, 4:01 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	9 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2012 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.