Alert archive / Missouri / Special Weather Statements in 2011
Special Weather Statement, NWS Springfield, MO
NWS Springfield, MO issued this special weather statement at Jun 21, 2011, 1:46 PM CDT for Howell 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
- Jun 21, 2011, 1:46 PM CDT (18:46 UTC)
- Expired
- Jun 21, 2011, 2:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Springfield, MO
County Howell County, MO
The radar
The Springfield radar (KSGF), 156 km from the middle of the area, began a volume at 18:47 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, 6.8 hours before the alert went out and 188 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
- 1375 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 378 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jun 21, 1:10 PM CDT, 36 minutes earlier.
Area forecast discussion, Jun 21, 1:10 PM CDT, 36 minutes before
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</html>Hazardous weather outlook, Jun 21, 12:35 PM CDT, 1 hour 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPRINGFIELD MO 1235 PM CDT TUE JUN 21 2011 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-221745- BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- 1235 PM CDT TUE JUN 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE HAZARDOUS WEATHER RISK LEVEL IS...ELEVATED. WEATHER HAZARDS EXPECTED... ELEVATED HAIL RISK. ELEVATED THUNDERSTORM WIND DAMAGE RISK. LIMITED TORNADO RISK. ELEVATED LIGHTNING RISK. LIMITED NON THUNDERSTORM WIND RISK. LIMITED EXCESSIVE HEAT RISK. DISCUSSION... SCATTERED THUNDERSTORMS ARE DEVELOPING THIS AFTERNOON NEAR AND AHEAD OF A WEAK SLOW MOVING FRONT THAT HAS MOVED INTO THE MISSOURI OZARKS...ROUGHLY ALONG A DIXON TO GAINESVILLE LINE AT NOON. A MOIST AND UNSTABLE AIR MASS OVER EASTERN SECTIONS OF THE MISSOURI OZARKS WILL OFFER THE BEST CHANCES FOR SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS THE MAIN POTENTIAL STORM HAZARDS THROUGH THIS EVENING. NON THUNDERSTORM WIND GUSTS OVER 30 MPH ARE EXPECTED TODAY ACROSS PORTIONS OF WESTERN MISSOURI AND EXTREME SOUTHEAST KANSAS. HEAT INDEX VALUES IN THE MID 90S WILL BE POSSIBLE OVER SOUTH CENTRAL MISSOURI THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THUNDERSTORMS WILL AGAIN BE POSSIBLE FROM LATE THURSDAY INTO EARLY NEXT WEEK. AREAS THAT RECEIVE MULTIPLE ROUNDS OF THUNDERSTORMS WILL SEE AN INCREASED THREAT FOR FLASH FLOODING. HEAT INDEX VALUES OVER 95 DEGREES WILL BE POSSIBLE ACROSS THE AREA BY EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED OVER CENTRAL AND SOUTH CENTRAL MISSOURI THIS AFTERNOON AND EVENING...MAINLY FOR COUNTIES ALONG AND SOUTHEAST OF A LINE FROM VIENNA TO FORSYTH. && THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE) DSA
In the hours before
Local storm report, Jun 21, 8:00 AM CDT, 5 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
800 AM CDT TUE JUN 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 AM TSTM WND DMG JASPER 37.34N 94.30W
06/21/2011 JASPER MO EMERGENCY MNGR
MINOR ROOF DAMAGE REPORTED TO A FEW STRUCTURES IN THE
CITY OF JASPER. ONE OUTBUILDING HAD SOME TIN ROOF PANELS
REMOVED. LARGE LIMBS WERE REMOVED FROM A FEW TREES. AT
LEAST ONE OLD OUTBUILDING WAS BLOWN DOWN.
&&
KARDELLLocal storm report, Jun 21, 9:07 AM CDT, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
907 AM CDT TUE JUN 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0135 AM TSTM WND GST MONETT 36.92N 93.93W
06/21/2011 E60 MPH BARRY MO LAW ENFORCEMENT
REPORT RELAYED THROUGH COUNTY EMERGENCY MANAGEMENT.
&&
KARDELLLocal storm report, Jun 21, 9:16 AM CDT, 4 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
916 AM CDT TUE JUN 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1235 AM TSTM WND DMG COLUMBUS 37.17N 94.84W
06/21/2011 CHEROKEE KS EMERGENCY MNGR
SEVERAL SMALL TREES DOWN.
&&
KARDELLSpecial weather statement, Jun 21, 12:51 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1251 PM CDT TUE JUN 21 2011
MOZ097-105-211830-
HOWELL MO-OZARK MO-
1251 PM CDT TUE JUN 21 2011
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN OZARK AND SOUTHERN
HOWELL COUNTIES UNTIL 130 PM CDT...
AT 1248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR CAULFIELD...OR 19 MILES SOUTHWEST OF WEST
PLAINS...MOVING NORTHEAST AT 25 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.
THIS STORM WILL BE NEAR...
POTTERSVILLE AND 6 MILES NORTHWEST OF SOUTH FORK BY 110 PM CDT.
SILOAM SPRINGS BY 120 PM CDT.
7 MILES NORTHWEST OF WEST PLAINS BY 130 PM CDT.
LAT...LON 3654 9228 3691 9201 3675 9170 3649 9212
3649 9218
TIME...MOT...LOC 1751Z 217DEG 21KT 3661 9213
GRIFFINLocal storm report, Jun 21, 1:04 PM CDT, 42 minutes before
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</html>Special weather statement, Jun 21, 1:46 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 12:14 AM CDT | Special Weather Statement | SGF | Benton, Camden, Christian, Dallas, Greene, Hickory and 6 more | 61 min |
| Jun 21, 12:22 AM CDT | Severe Thunderstorm Warning | SGF | Jasper, McDonald, Newton | 68 min |
| Jun 21, 1:28 AM CDT | Severe Thunderstorm Warning | SGF | Barry, Lawrence | 29 min |
| Jun 21, 2:21 AM CDT | Special Weather Statement | SGF | Greene | 24 min |
| Jun 21, 2:44 AM CDT | Special Weather Statement | SGF | Barry, Stone | 31 min |
| Jun 21, 3:06 AM CDT | Severe Thunderstorm Warning | SGF | Stone, Taney | 24 min |
| Jun 21, 3:28 AM CDT | Severe Thunderstorm Warning | SGF | Taney | 32 min |
| Jun 21, 3:57 AM CDT | Special Weather Statement | SGF | Douglas, Ozark | 48 min |
| Jun 21, 4:38 AM CDT | Severe Thunderstorm Warning | SGF | Texas, Wright | 26 min |
| Jun 21, 12:51 PM CDT | Special Weather Statement | SGF | Howell | 39 min |
| Jun 21, 1:03 PM CDT | Severe Thunderstorm Warning | SGF | Howell, Ozark | 25 min |
| Jun 20, 10:14 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon | 61 min |
| Jun 20, 10:43 PM CDT | Special Weather Statement | SGF | Crawford | 62 min |
Nearby
Special Weather Statements in Missouri, 2011Every special weather statement in 2011
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.