Alert archive / Missouri / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 136, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Apr 26, 2011, 5:53 PM CDT for Barry County, McDonald County, Newton County, Missouri. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 26, 2011, 5:53 PM CDT (22:53 UTC)
- Expired
- Apr 26, 2011, 6:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Barry County, MO, McDonald County, MO, Newton County, MO
The radar
The Springfield radar (KSGF), 87 km from the middle of the area, began a volume at 22:56 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, 10.9 hours before the alert went out and 37 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
- 8 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 26, 3:29 PM CDT, 2 hours 24 minutes earlier.
Area forecast discussion, Apr 26, 3:29 PM CDT, 2 hours 24 minutes before
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</html>Hazardous weather outlook, Apr 26, 3:50 PM CDT, 2 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SPRINGFIELD MO 350 PM CDT TUE APR 26 2011 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-271200- 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- 350 PM CDT TUE APR 26 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...SIGNIFICANT. WEATHER HAZARDS EXPECTED... SIGNIFICANT FLOODING RISK. LIMITED TORNADO RISK. ELEVATED HAIL RISK. ELEVATED THUNDERSTORM WIND DAMAGE RISK. ELEVATED LIGHTNING RISK. DISCUSSION... FLOODING WILL CONTINUE THROUGH TONIGHT ON AREA STREAMS...RIVERS AND FLOOD PRONE AREAS IN RESPONSE TO RECENT HEAVY RAINFALL. ANOTHER ROUND OF RAIN AND THUNDERSTORMS IS EXPECTED LATE THIS AFTERNOON INTO TONIGHT AS ANOTHER STORM SYSTEM APPROACHES THE REGION. AT THIS TIME THE BETTER INSTABILITY AND SEVERE POTENTIAL WILL REMAIN SOUTH OF THE AREA IN ARKANSAS. HOWEVER... SOME STRONG TO SEVERE STORMS WILL BE POSSIBLE ACROSS FAR SOUTHERN MISSOURI GENERALLY SOUTHEAST OF INTERSTATE 44 WITH THE GREATEST POTENTIAL ACROSS SOUTH CENTRAL MISSOURI. THE PRIMARY RISKS WILL BE HAIL TO THE SIZE OF QUARTERS AND DAMAGING WINDS OVER 60 MPH. THERE WILL BE THE THREAT FOR AN ISOLATED TORNADO SOUTH OF A CASSVILLE TO AVA TO SALEM LINE. THIS SYSTEM WILL BRING AN ADDITIONAL ONE QUARTER OF AN INCH TO TWO INCHES OF RAINFALL...WITH THE HEAVIEST RAINFALL ACROSS SOUTH CENTRAL MISSOURI. THIS ADDITIONAL RAINFALL WILL ADD TO THE ONGOING SIGNIFICANT FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SHOWERS WITH EMBEDDED THUNDERSTORMS WILL LIKELY CONTINUE INTO WEDNESDAY AFTERNOON...WITH THE HEAVIEST RAINFALL EXPECTED ACROSS SOUTH CENTRAL MISSOURI. THIS ADDITIONAL RAINFALL WILL POSE AN ELEVATED TO SIGNIFICANT RISK FOR MORE FLASH FLOODING. A FEW STRONGER STORMS MAY ALSO PRODUCE SMALL HAIL WEDNESDAY MORNING ACROSS SOUTH CENTRAL MISSOURI. AFTER THE RAIN ENDS ON WEDNESDAY...RESIDUAL FLOODING OF CREEKS...STREAMS AND SEVERAL MAIN STEM RIVERS WILL LIKELY CONTINUE THROUGH THE REMAINDER OF THE WEEK. NON THUNDERSTORM WIND GUSTS OVER 30 MPH WILL BE POSSIBLE ON FRIDAY ACROSS WESTERN MISSOURI AND SOUTHEAST KANSAS. MULTIPLE ROUNDS OF THUNDERSTORMS WILL BE POSSIBLE THIS WEEKEND...WHICH COULD AGAIN CREATE THE POTENTIAL FOR FLOODING ACROSS THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON INTO TONIGHT ACROSS PORTIONS OF SOUTH CENTRAL MISSOURI GENERALLY SOUTH OF A CASSVILLE TO AVA TO SALEM MISSOURI LINE. && 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) SCHAUMANN
In the hours before
Special weather statement, Apr 26, 5:40 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
540 PM CDT TUE APR 26 2011
MOZ101-102-262315-
BARRY MO-MCDONALD MO-
540 PM CDT TUE APR 26 2011
...SIGNIFICANT WEATHER ALERT FOR EASTERN MCDONALD AND SOUTHERN BARRY
COUNTIES UNTIL 615 PM CDT...
AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 23 MILES SOUTH OF PINEVILLE...MOVING NORTHEAST AT
50 MPH. NICKEL SIZE HAIL IS EXPECTED WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE ANDERSON...CASSVILLE...EXETER...GOODMAN...
LANAGAN...PINEVILLE...POWELL...RIDGLEY...SELIGMAN...WASHBURN AND
WAYNE.
OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ALERT INCLUDE ROARING
RIVER STATE PARK.
PEOPLE IN EASTERN MCDONALD AND SOUTHERN BARRY COUNTIES...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS
AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER
THREATEN.
LAT...LON 3650 9448 3675 9445 3671 9369 3653 9383
3649 9388
TIME...MOT...LOC 2240Z 212DEG 42KT 3629 9434
BOXELLThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 7:47 PM CDT | Flash Flood Warning | SGF | Dallas, Laclede | 6 hr |
| Apr 26, 2:00 AM CDT | Areal Flood Warning | SGF | Dent, Douglas, Howell, Oregon, Ozark, Shannon and 3 more | 66 hr |
| Apr 26, 2:05 AM CDT | Areal Flood Warning | SGF | Barry, Benton, Christian, Dade, Dallas, Greene and 7 more | 37 hr |
| Apr 26, 2:15 AM CDT | Areal Flood Warning | SGF | Jasper, McDonald, Newton | 37 hr |
| Apr 26, 8:00 AM CDT | Flash Flood Warning | SGF | Barry, Stone, Taney | 16 hr |
| Apr 26, 5:40 PM CDT | Special Weather Statement | SGF | Barry, McDonald | 35 min |
| Apr 26, 6:47 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Stone | 17 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning 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.