Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 98, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at May 1, 2012, 3:33 AM CDT for Dallas County, Polk County, Webster County, Missouri. It was in force for 28 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, 3:33 AM CDT (08:33 UTC)
- Expired
- May 1, 2012, 4:01 AM CDT
- In force
- 28 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dallas County, MO, Polk County, MO, Webster County, MO
The radar
The Springfield radar (KSGF), 44 km from the middle of the area, began a volume at 08:36 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, 8.6 hours before the alert went out and 95 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
529
WUUS53 KSGF 010833
SVRSGF
MOC059-167-225-010915-
/O.NEW.KSGF.SV.W.0098.120501T0833Z-120501T0915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
333 AM CDT TUE MAY 1 2012
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN DALLAS COUNTY IN SOUTHWEST MISSOURI...
EASTERN POLK COUNTY IN SOUTHWEST MISSOURI...
NORTHWESTERN WEBSTER COUNTY IN SOUTHWEST MISSOURI...
* UNTIL 415 AM CDT
* AT 331 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 6 MILES EAST OF BOLIVAR TO 6 MILES EAST OF
PLEASANT HOPE...AND MOVING EAST AT 50 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...
BUFFALO...POLK...HALF WAY...OLIVE...GOODSON...FOOSE...MARCH...
ELKLAND...CHARITY...PUMPKIN CENTER...LONG LANE...PLAD AND
WINDYVILLE.
THIS WARNING ALSO INCLUDES BENNETT SPRING STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3742 9330 3761 9345 3775 9339 3776 9286
3772 9285 3744 9286 3742 9308
TIME...MOT...LOC 0834Z 253DEG 44KT 3760 9327 3744 9313
HAIL...0.75IN
WIND...60 MPH
$$
GAGAN3 follow-up statements
435
WWUS53 KSGF 010845
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
345 AM CDT TUE MAY 1 2012
MOC059-167-225-010915-
/O.CON.KSGF.SV.W.0098.000000T0000Z-120501T0915Z/
POLK MO-WEBSTER MO-DALLAS MO-
345 AM CDT TUE MAY 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
DALLAS...NORTHWESTERN WEBSTER AND EASTERN POLK COUNTIES UNTIL 415 AM
CDT...
AT 341 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM BUFFALO TO 13 MILES SOUTH OF BUFFALO...AND MOVING
EAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
PUMPKIN CENTER...LONG LANE...PLAD AND WINDYVILLE.
THIS WARNING ALSO INCLUDES BENNETT SPRING STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3742 9319 3754 9330 3765 9338 3775 9339
3776 9286 3772 9285 3744 9286 3742 9308
TIME...MOT...LOC 0845Z 253DEG 44KT 3764 9311 3748 9297
HAIL...0.75IN
WIND...60 MPH
$$
GAGAN277
WWUS53 KSGF 010856
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
356 AM CDT TUE MAY 1 2012
MOC167-010906-
/O.CAN.KSGF.SV.W.0098.000000T0000Z-120501T0915Z/
POLK MO-
356 AM CDT TUE MAY 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POLK COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 3761 9306 3774 9319 3775 9319 3776 9286
3772 9285 3744 9286 3744 9292
TIME...MOT...LOC 0856Z 253DEG 44KT 3767 9294 3751 9281
$$
MOC059-225-010915-
/O.CON.KSGF.SV.W.0098.000000T0000Z-120501T0915Z/
WEBSTER MO-DALLAS MO-
356 AM CDT TUE MAY 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL DALLAS
AND NORTH CENTRAL WEBSTER COUNTIES UNTIL 415 AM CDT...
AT 354 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM CENTRAL DALLAS COUNTY TO EXTREME SOUTHWESTERN
LACLEDE COUNTY...AND MOVING EAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EASTERN DALLAS COUNTY.
THIS WARNING ALSO INCLUDES BENNETT SPRING STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3761 9306 3774 9319 3775 9319 3776 9286
3772 9285 3744 9286 3744 9292
TIME...MOT...LOC 0856Z 253DEG 44KT 3767 9294 3751 9281
HAIL...0.75IN
WIND...60 MPH
$$
GAGAN263
WWUS53 KSGF 010901
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
401 AM CDT TUE MAY 1 2012
MOC059-225-010911-
/O.CAN.KSGF.SV.W.0098.000000T0000Z-120501T0915Z/
WEBSTER MO-DALLAS MO-
401 AM CDT TUE MAY 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DALLAS AND NORTH
CENTRAL WEBSTER 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 3761 9306 3774 9319 3775 9319 3776 9286
3772 9285 3744 9286 3744 9292
TIME...MOT...LOC 0901Z 253DEG 44KT 3768 9286 3752 9273
$$
GAGANThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 11:43 PM CDT | Flash Flood Warning | SGF | Barton, Vernon | 5 hr |
| May 1, 12:56 AM CDT | Flash Flood Warning | SGF | Jasper | 4 hr |
| May 1, 1:23 AM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 52 min |
| May 1, 1:41 AM CDT | Severe Thunderstorm Warning | SGF | Jasper | 34 min |
| May 1, 2:06 AM CDT | Flash Flood Warning | SGF | Cedar, Dade, St. Clair | 6 hr |
| May 1, 2:22 AM CDT | Special Weather Statement | SGF | Barry, Lawrence, McDonald, Newton | 38 min |
| May 1, 2:41 AM CDT | Areal Flood Advisory | SGF | Newton | 91 min |
| May 1, 3:03 AM CDT | Special Weather Statement | SGF | Barry, Christian, Greene, Stone | 27 min |
| May 1, 3:12 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Greene | 33 min |
| May 1, 3:25 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Webster, Wright | 35 min |
| May 1, 3:26 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Stone, Taney | 34 min |
| May 1, 4:02 AM CDT | Special Weather Statement | SGF | Camden, Douglas, Laclede, Miller, Pulaski, Wright | 43 min |
| May 1, 4:40 AM CDT | Special Weather Statement | SGF | Douglas, Maries, Ozark, Phelps, Pulaski, Texas | 50 min |
| May 1, 4:49 AM CDT | Areal Flood Warning | SGF | Barton, Jasper, Vernon | 27 hr |
| May 1, 6:41 AM CDT | River Flood Warning | SGF | Jasper | 44 hr |
| May 1, 7:49 AM CDT | Areal Flood Warning | SGF | Cedar, Dade, St. Clair | 8 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.