Alert archive / Missouri / Areal Flood Warnings in 2012
Areal Flood Warning 19, NWS Springfield, MO
NWS Springfield, MO issued this areal flood warning at Apr 15, 2012, 3:18 PM CDT for Dallas County, Polk County, Missouri. It was in force for 2 hr. 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 15, 2012, 3:18 PM CDT (20:18 UTC)
- Expired
- Apr 15, 2012, 5:39 PM CDT
- In force
- 2 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dallas County, MO, Polk County, MO
The radar
The Springfield radar (KSGF), 49 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 98 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
- 31 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Apr 15, 2:36 PM CDT, 42 minutes earlier.
Area forecast discussion, Apr 15, 2:36 PM CDT, 42 minutes before
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</html>Hazardous weather outlook, Apr 15, 12:54 PM CDT, 2 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SPRINGFIELD MO 1254 PM CDT SUN APR 15 2012 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-161800- 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- 1254 PM CDT SUN APR 15 2012 ...SEVERE STORMS POSSIBLE THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. WEATHER HAZARDS EXPECTED... ELEVATED TORNADO RISK. ELEVATED HAIL RISK. ELEVATED THUNDERSTORM WIND DAMAGE RISK. LIMITED FLOODING RISK. SIGNIFICANT LIGHTNING RISK. ELEVATED NON THUNDERSTORM WIND RISK. DISCUSSION... A BROKEN LINE OF THUNDERSTORMS WILL CONTINUE TO SLOWLY TRACK EAST ACROSS THE OUTLOOK AREA INTO EARLY THIS EVENING. THIS LINE WILL STRENGTHEN THIS AFTERNOON AS IT ENCOUNTERS A MORE UNSTABLE AIRMASS ACROSS THE CENTRAL AND EASTERN MISSOURI OZARKS. A FEW SUPERCELL THUNDERSTORMS MAY ALSO DEVELOP IN ANY AREAS WHERE BREAKS IN THE LINE ARE PRESENT. THE SETUP APPEARS FAVORABLE FOR DAMAGING STRAIGHT LINE WIND GUSTS UP TO 70 MPH WITH ANY NORTHEASTWARD MOVING LINE SEGMENTS. A FEW TORNADOES WILL ALSO BE POSSIBLE WITHIN THESE LINE SEGMENTS DUE TO STRONG WIND SHEAR IN THE LOWER LEVELS OF THE ATMOSPHERE. ANY SUPERCELLS THAT DEVELOP WILL ALSO HAVE THE POTENTIAL TO PRODUCE TORNADOES...ALONG WITH HAIL TO THE SIZE OF GOLF BALLS. AT THIS TIME...IT APPEARS THAT THE GREATEST THREAT FOR SEVERE STORMS AND THE POTENTIAL FOR TORNADOES WILL OCCUR THROUGH 8 PM ALONG AND EAST OF A VIENNA TO HARTVILLE TO BRANSON LINE. THE THREAT FOR SEVERE STORMS IS EXPECTED TO END ACROSS FAR SOUTH CENTRAL MISSOURI BY 9 PM. IN ADDITION TO THE RISK FOR SEVERE STORMS ON SUNDAY... LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO SOME FLASH FLOODING. MEANWHILE...STRONG AND GUSTY NON THUNDERSTORM WINDS WILL OCCUR THIS AFTERNOON AND EVENING. THE STRONGEST WINDS ARE EXPECTED TO OCCUR NORTH OF THE INTERSTATE 44 CORRIDOR WHERE WINDS OF 25 TO 35 MPH AND GUSTS TO 45 MPH ARE EXPECTED. A WIND ADVISORY IS IN EFFECT FOR THIS AREA. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS WILL AGAIN BE POSSIBLE LATE IN THIS COMING WORK WEEK AS ANOTHER STORM SYSTEM APPROACHES THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED INTO EARLY THIS EVENING ALONG AND EAST OF A VIENNA TO HARTVILLE TO BRANSON 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 15, 12:41 PM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1241 PM CDT SUN APR 15 2012
MOZ066-077-078-151815-
BARTON MO-CEDAR MO-VERNON MO-
1241 PM CDT SUN APR 15 2012
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BARTON...
NORTHWESTERN CEDAR AND SOUTHEASTERN VERNON COUNTIES UNTIL 115 PM
CDT...
AT 1236 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR IRWIN...OR 6 MILES NORTH OF LAMAR...MOVING
NORTHEAST AT 60 MPH. PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE
EXPECTED WITH THIS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SUNDAY EVENING FOR
SOUTHERN MISSOURI.
LAT...LON 3790 9414 3790 9386 3789 9383 3754 9421
3755 9440
TIME...MOT...LOC 1741Z 208DEG 77KT 3767 9421
FOSTERSpecial weather statement, Apr 15, 12:50 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1250 PM CDT SUN APR 15 2012
MOZ067-151815-
ST. CLAIR MO-
1250 PM CDT SUN APR 15 2012
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN ST. CLAIR COUNTY UNTIL
115 PM CDT...
AT 1246 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 18 MILES SOUTHWEST OF TIFFIN...OR 11 MILES
SOUTHWEST OF EL DORADO SPRINGS...MOVING NORTHEAST AT 85 MPH. PENNY
SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SUNDAY EVENING FOR
SOUTHERN MISSOURI.
LAT...LON 3820 9365 3790 9388 3790 9407 3793 9407
3822 9398
TIME...MOT...LOC 1751Z 209DEG 76KT 3784 9408
FOSTERSpecial weather statement, Apr 15, 12:52 PM CDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1252 PM CDT SUN APR 15 2012
MOZ078-089-151830-
CEDAR MO-DADE MO-
1252 PM CDT SUN APR 15 2012
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN CEDAR AND WESTERN DADE
COUNTIES UNTIL 130 PM CDT...
AT 1250 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 5 MILES SOUTHWEST OF MEINERT...OR 14 MILES
SOUTHWEST OF GREENFIELD...MOVING NORTHEAST AT 80 MPH. PENNY SIZE
HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SUNDAY EVENING FOR
SOUTHERN MISSOURI.
LAT...LON 3741 9408 3785 9384 3784 9381 3783 9381
3783 9363 3774 9363 3729 9391 3729 9408
TIME...MOT...LOC 1753Z 208DEG 69KT 3734 9402
FOSTERSpecial weather statement, Apr 15, 1:47 PM CDT, 1 hour 31 minutes before
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</html>Local storm report, Apr 15, 1:55 PM CDT, 1 hour 23 minutes before
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</html>Local storm report, Apr 15, 2:02 PM CDT, 1 hour 16 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 |
|---|---|---|---|---|
| Apr 15, 12:54 AM CDT | Areal Flood Advisory | SGF | Benton, Camden, Dallas, Laclede, Maries, Miller and 4 more | 12 hr |
| Apr 15, 4:13 AM CDT | Wind Advisory | SGF | Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more | 14 hr |
| Apr 15, 7:21 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 39 min |
| Apr 15, 7:42 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 36 min |
| Apr 15, 8:20 AM CDT | Special Weather Statement | SGF | St. Clair | 25 min |
| Apr 15, 8:45 AM CDT | Special Weather Statement | SGF | Benton | 45 min |
| Apr 15, 8:55 AM CDT | Flash Flood Warning | SGF | Barton, Jasper, Newton | 6 hr |
| Apr 15, 9:59 AM CDT | Special Weather Statement | SGF | Lawrence | 31 min |
| Apr 15, 11:22 AM CDT | Special Weather Statement | SGF | Camden, Dallas | 38 min |
| Apr 15, 12:39 PM CDT | Special Weather Statement | SGF | Jasper | 36 min |
| Apr 15, 12:41 PM CDT | Special Weather Statement | SGF | Cedar | 34 min |
| Apr 15, 12:50 PM CDT | Special Weather Statement | SGF | St. Clair | 25 min |
| Apr 15, 12:52 PM CDT | Special Weather Statement | SGF | Cedar, Dade | 38 min |
| Apr 15, 12:54 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, St. Clair | 21 min |
| Apr 15, 1:14 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Stone | 29 min |
| Apr 15, 1:47 PM CDT | Special Weather Statement | SGF | Dallas, Greene | 28 min |
| Apr 15, 1:49 PM CDT | Severe Thunderstorm Warning | SGF | Barry | 14 min |
| Apr 15, 3:26 PM CDT | Flash Flood Warning | SGF | Christian, Greene, Stone, Taney, Webster | 2 hr |
| Apr 15, 3:58 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Dallas, Laclede | 26 min |
| Apr 15, 4:11 PM CDT | Severe Thunderstorm Warning | SGF | Miller, Morgan | 22 min |
| Apr 15, 4:55 PM CDT | Areal Flood Advisory | SGF | Douglas, Ozark, Webster, Wright | 6 hr |
| Apr 15, 5:04 PM CDT | Flash Flood Warning | SGF | Camden, Laclede, Maries, Miller, Phelps, Pulaski | 6 hr |
| Apr 15, 5:30 AM CDT | Special Weather Statement | SGF | Bourbon | 60 min |
| Apr 15, 6:41 AM CDT | Severe Thunderstorm Warning | SGF | Bourbon, Cherokee, Crawford | 49 min |
Nearby
Areal Flood Warnings in Missouri, 2012Every areal flood 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.