Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 166, NWS Springfield, MO

July 26, 2012Douglas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 26, 2012, 2:27 PM CDT for Douglas County, Missouri. It was in force for 29 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 26, 2012, 2:27 PM CDT (19:27 UTC)
Expired: Jul 26, 2012, 2:56 PM CDT
In force: 29 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Douglas County, MO

The radar

The Springfield radar (KSGF), 76 km from the middle of the area, began a volume at 19:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 26, 1:46 PM CDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.5 hours before the alert went out and 105 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: 854 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1336 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

637 
WUUS53 KSGF 261927
SVRSGF
MOC067-262030-
/O.NEW.KSGF.SV.W.0166.120726T1927Z-120726T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
227 PM CDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 330 PM CDT

* AT 221 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
  AVA...AND MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
           BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  AVA...BRUSHYKNOB AND DOGWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3689 9266 3693 9291 3702 9291 3706 9290
      3707 9282 3706 9237 3699 9237 3696 9238
      3692 9242 3689 9246 3688 9256
TIME...MOT...LOC 1927Z 268DEG 16KT 3699 9274

HAIL...<.75IN
WIND...60 MPH

$$

CRAMER

2 follow-up statements

771 
WWUS53 KSGF 261938
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
238 PM CDT THU JUL 26 2012

MOC067-262030-
/O.CON.KSGF.SV.W.0166.000000T0000Z-120726T2030Z/
DOUGLAS MO-
238 PM CDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DOUGLAS 
COUNTY UNTIL 330 PM CDT...

AT 236 PM CDT...A CLUSTER OF SEVERE THUNDERSTORMS WAS LOCATED IN 
WESTERN DOUGLAS COUNTY...AND MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
         BROKEN.

LOCATIONS IMPACTED INCLUDE...
AVA...BRUSHYKNOB AND DOGWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3689 9266 3693 9291 3702 9291 3706 9290
      3707 9282 3706 9237 3699 9237 3696 9238
      3692 9242 3689 9246 3688 9256
TIME...MOT...LOC 1937Z 268DEG 16KT 3698 9273

HAIL...<.75IN
WIND...60 MPH

$$

CRAMER

559 
WWUS53 KSGF 261956
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
256 PM CDT THU JUL 26 2012

MOC067-262007-
/O.CAN.KSGF.SV.W.0166.000000T0000Z-120726T2030Z/
DOUGLAS MO-
256 PM CDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR DOUGLAS 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.
 HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3689 9266 3693 9291 3702 9291 3706 9290
      3707 9282 3706 9237 3699 9237 3696 9238
      3692 9242 3689 9246 3688 9256
TIME...MOT...LOC 1957Z 268DEG 16KT 3698 9262

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 3:11 AM CDT	Heat Advisory	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	14 hr
Jul 26, 2:34 PM CDT	Severe Thunderstorm Warning	SGF	Texas	36 min
Jul 26, 3:27 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	48 min
Jul 26, 3:58 PM CDT	Severe Thunderstorm Warning	SGF	Howell	32 min
Jul 26, 4:17 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	43 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.