Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 96, NWS Springfield, MO

May 1, 2012Christian County, Webster County, Wright County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 1, 2012, 3:25 AM CDT for Christian County, Webster County, Wright County, Missouri. It was in force for 35 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
May 1, 2012, 3:25 AM CDT (08:25 UTC)
Expired
May 1, 2012, 4:00 AM CDT
In force
35 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Christian County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 47 km from the middle of the area, began a volume at 08:27 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.

IssuedProductOfficeLasted
May 1, 1:43 AM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.4 hours before the alert went out and 89 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2012-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2012-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
202 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
142 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.

594 
WUUS53 KSGF 010825
SVRSGF
MOC043-225-229-010915-
/O.NEW.KSGF.SV.W.0096.120501T0825Z-120501T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
325 AM CDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHRISTIAN COUNTY IN SOUTHWEST MISSOURI...
  WEBSTER COUNTY IN SOUTHWEST MISSOURI...
  WESTERN WRIGHT COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 415 AM CDT

* AT 322 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM 20 MILES WEST OF MARSHFIELD TO 13 MILES
  NORTHWEST OF ROGERSVILLE TO 16 MILES SOUTHWEST OF ROGERSVILLE...AND
  MOVING NORTHEAST AT 65 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

  SOURCE...RADAR INDICATED. A 60 MPH WIND GUST WAS REPORTED BY A 
TRAINED SPOTTER IN REPUBLIC MISSOURI.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  MARSHFIELD...ROGERSVILLE...FORDLAND...NIANGUA...DIGGINS...
  SEYMOUR...MANSFIELD...HARTVILLE...NORTHVIEW...DUNCAN...GROVESPRING
  AND ODIN.

INTERSTATE 44 BETWEEN MILE MARKERS 91 AND 103 WILL ALSO BE IMPACTED
BY SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 9306 3727 9308 3741 9308 3748 9248
      3708 9252 3706 9258 3707 9290 3704 9290
      3703 9307
TIME...MOT...LOC 0824Z 245DEG 55KT 3737 9324 3721 9324
          3704 9329

HAIL...0.75IN
WIND...60 MPH

$$

GAGAN
3 follow-up statements
704 
WWUS53 KSGF 010836
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
336 AM CDT TUE MAY 1 2012

MOC043-225-229-010915-
/O.CON.KSGF.SV.W.0096.000000T0000Z-120501T0915Z/
CHRISTIAN MO-WEBSTER MO-WRIGHT MO-
336 AM CDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
WRIGHT...WEBSTER AND NORTHEASTERN CHRISTIAN COUNTIES UNTIL 415 AM
CDT...

AT 331 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 14 MILES WEST OF MARSHFIELD TO 10 MILES NORTH OF
ROGERSVILLE TO 8 MILES SOUTHWEST OF ROGERSVILLE...AND MOVING
NORTHEAST AT 65 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
MARSHFIELD...ROGERSVILLE...FORDLAND...NIANGUA...DIGGINS...SEYMOUR...
MANSFIELD...HARTVILLE...NORTHVIEW...DUNCAN...GROVESPRING AND ODIN.

INTERSTATE 44 BETWEEN MILE MARKERS 91 AND 103 WILL ALSO BE IMPACTED
BY SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 9306 3727 9308 3741 9308 3748 9248
      3708 9252 3706 9258 3707 9290 3704 9290
      3703 9307
TIME...MOT...LOC 0836Z 245DEG 55KT 3744 9305 3728 9302
          3710 9309

HAIL...0.75IN
WIND...60 MPH

$$

GAGAN
985 
WWUS53 KSGF 010850
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
350 AM CDT TUE MAY 1 2012

MOC043-225-229-010915-
/O.CON.KSGF.SV.W.0096.000000T0000Z-120501T0915Z/
CHRISTIAN MO-WEBSTER MO-WRIGHT MO-
350 AM CDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
WRIGHT...WEBSTER AND NORTHEASTERN CHRISTIAN COUNTIES UNTIL 415 AM
CDT...

AT 345 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 9 MILES NORTHWEST OF MARSHFIELD TO MARSHFIELD TO
ROGERSVILLE...AND MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
NIANGUA...DIGGINS...SEYMOUR...HARTVILLE...MANSFIELD...DUNCAN...
GROVESPRING AND ODIN.

INTERSTATE 44 BETWEEN MILE MARKERS 91 AND 103 WILL ALSO BE IMPACTED
BY SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 9306 3727 9308 3741 9308 3748 9248
      3708 9252 3706 9258 3707 9290 3704 9290
      3703 9307
TIME...MOT...LOC 0850Z 247DEG 34KT 3748 9292 3732 9290
          3712 9296

HAIL...0.75IN
WIND...60 MPH

$$

GAGAN
968 
WWUS53 KSGF 010900 RRA
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
400 AM CDT TUE MAY 1 2012

MOC043-225-229-010910-
/O.CAN.KSGF.SV.W.0096.000000T0000Z-120501T0915Z/
CHRISTIAN MO-WEBSTER MO-WRIGHT MO-
400 AM CDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WRIGHT...WEBSTER AND
NORTHEASTERN CHRISTIAN COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY.  HOWEVER SMALL HAIL AND LOCALLY GUSTY WINDS BETWEEN 40 AND 
50 MPH ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3727 9306 3727 9308 3741 9308 3748 9248
      3708 9252 3706 9258 3707 9290 3704 9290
      3703 9307
TIME...MOT...LOC 0900Z 261DEG 39KT 3746 9279 3730 9277
          3710 9283

$$

GAGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 11:43 PM CDTFlash Flood WarningSGFBarton, Vernon5 hr
May 1, 12:56 AM CDTFlash Flood WarningSGFJasper4 hr
May 1, 1:23 AM CDTSevere Thunderstorm WarningSGFMcDonald, Newton52 min
May 1, 1:41 AM CDTSevere Thunderstorm WarningSGFJasper34 min
May 1, 2:06 AM CDTFlash Flood WarningSGFCedar, Dade, St. Clair6 hr
May 1, 2:22 AM CDTSpecial Weather StatementSGFBarry, Lawrence, McDonald, Newton38 min
May 1, 2:41 AM CDTAreal Flood AdvisorySGFNewton91 min
May 1, 3:03 AM CDTSpecial Weather StatementSGFBarry, Christian, Greene, Stone27 min
May 1, 3:12 AM CDTSevere Thunderstorm WarningSGFChristian, Greene33 min
May 1, 3:26 AM CDTSevere Thunderstorm WarningSGFChristian, Stone, Taney34 min
May 1, 3:33 AM CDTSevere Thunderstorm WarningSGFDallas, Polk, Webster28 min
May 1, 4:02 AM CDTSpecial Weather StatementSGFCamden, Douglas, Laclede, Miller, Pulaski, Wright43 min
May 1, 4:40 AM CDTSpecial Weather StatementSGFDouglas, Maries, Ozark, Phelps, Pulaski, Texas50 min
May 1, 4:49 AM CDTAreal Flood WarningSGFBarton, Jasper, Vernon27 hr
May 1, 6:41 AM CDTRiver Flood WarningSGFJasper44 hr
May 1, 7:49 AM CDTAreal Flood WarningSGFCedar, Dade, St. Clair8 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2012Every 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.