Alert archive / Missouri / Special Weather Statements in 2012
Special Weather Statement, NWS Springfield, MO
NWS Springfield, MO issued this special weather statement at Apr 13, 2012, 8:18 PM CDT for Greene County, Missouri. It was in force for 42 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
- Apr 13, 2012, 8:18 PM CDT (01:18 UTC)
- Expired
- Apr 13, 2012, 9:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Springfield, MO
County Greene County, MO
The radar
The Springfield radar (KSGF), 7 km from the middle of the area, began a volume at 01:20 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 00:00Z, 1.3 hours before the alert went out and 45 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
- 677 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
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 Apr 13, 6:40 PM CDT, 1 hour 38 minutes earlier.
Area forecast discussion, Apr 13, 6:40 PM CDT, 1 hour 38 minutes before
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</html>Hazardous weather outlook, Apr 13, 7:41 PM CDT, 37 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SPRINGFIELD MO 741 PM CDT FRI APR 13 2012 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-150045- 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- 741 PM CDT FRI APR 13 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS. .DAY ONE...TONIGHT. WEATHER HAZARDS EXPECTED... ELEVATED HAIL RISK. ELEVATED THUNDERSTORM WIND DAMAGE RISK. LIMITED FLOODING RISK. SIGNIFICANT LIGHTNING RISK. DISCUSSION... THUNDERSTORMS WILL PERSIST FOR THE REMAINDER OF TONIGHT ACROSS THE OUTLOOK AREA. THE MOST NUMEROUS STORMS WILL OCCUR ALONG AND NORTH OF THE INTERSTATE 44 CORRIDOR. HAIL TO THE SIZE OF HALF DOLLARS...FREQUENT LIGHTNING STRIKES...AND BRIEF HEAVY RAINFALL WILL BE THE MAIN THREATS WITH THESE STORMS. WIND GUSTS FROM 50 TO 60 MPH WILL WILL ALSO BE POSSIBLE... ESPECIALLY WITH ANY LINE SEGMENTS. THE THREAT FOR SEVERE STORMS WILL REMAIN LIMITED ACROSS SOUTH CENTRAL MISSOURI TONIGHT. THERE WILL ALSO BE A LIMITED THREAT FOR FLOODING FOR AREAS NORTH OF A TABLE ROCK LAKE TO ROUND SPRING LINE. AT THIS TIME...IT APPEARS THAT THE GREATEST THREAT FOR ANY FLOODING MAY BE IN THE LAKE OF THE OZARKS REGION OF CENTRAL MISSOURI DUE TO RECENT HEAVY RAINFALL OVER THE PAST 18 HOURS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. A CLUSTER OF THUNDERSTORMS WILL EXIT OUT OF CENTRAL MISSOURI SATURDAY MORNING. THE MAIN THREAT WITH THESE STORMS WILL BE FREQUENT LIGHTNING STRIKES...HAIL TO THE SIZE OF NICKELS... AND HEAVY RAINFALL. THE HEAVY RAINFALL COULD LEAD TO SOME LOCALIZED FLASH FLOODING ACROSS CENTRAL MISSOURI. THUNDERSTORMS ARE THEN EXPECTED TO SPREAD INTO EXTREME SOUTHEASTERN KANSAS AND FAR WESTERN MISSOURI LATE SATURDAY NIGHT. A FEW OF THESE STORMS MAY BE STRONG TO SEVERE...WITH THE MAIN SEVERE THREATS BEING HAIL TO THE SIZE OF HALF DOLLARS AND WIND GUSTS TO 60 MPH. SEVERE THUNDERSTORMS AND LOCALLY HEAVY RAINFALL WILL THEN BE POSSIBLE ACROSS THE OUTLOOK AREA SUNDAY AND SUNDAY NIGHT. LARGE HAIL...DAMAGING WINDS...AND LOCALLY HEAVY RAINFALL WILL BE THE PRIMARY RISKS WITH THESE STORMS. THE THREAT FOR ANY TORNADOES LOOKS LIMITED AT THIS TIME...BUT THAT THREAT MAY INCREASE IF GREATER AMOUNTS OF INSTABILITY CAN BE REALIZED. AT THIS TIME... THE MAIN THREAT FOR SEVERE STORMS APPEARS THAT IT WILL EXIST FROM SUNDAY AFTERNOON INTO SUNDAY EVENING ALONG AND EAST OF A LAKE OF THE OZARKS TO TABLE ROCK LAKE LINE. THE LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO SOME FLASH FLOODING ON SUNDAY ACROSS THE OUTLOOK AREA. MEANWHILE...GUSTY NON THUNDERSTORM WINDS WILL CONTINUE THROUGH SUNDAY. SOUTHERLY WIND GUSTS OVER 30 MPH ARE EXPECTED... ESPECIALLY ON SATURDAY WHERE WINDS MAY GUST TO AROUND 40 MPH AT TIMES. BOATERS ON AREA LAKES SHOULD USE EXTRA CAUTION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED IN THE NEXT SIX HOURS FOR AREAS ALONG AND WEST OF A CAMDENTON TO CASSVILLE 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 13, 7:03 PM CDT, 1 hour 15 minutes before
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</html>Local storm report, Apr 13, 7:23 PM CDT, 55 minutes before
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</html>Local storm report, Apr 13, 7:55 PM CDT, 23 minutes before
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</html>Local storm report, Apr 13, 7:57 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
757 PM CDT FRI APR 13 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0755 PM HAIL 5 N MILLER 37.29N 93.84W
04/13/2012 E1.25 INCH DADE MO AMATEUR RADIO
&&
DSALocal storm report, Apr 13, 8:04 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
804 PM CDT FRI APR 13 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0803 PM HAIL 5 NW MILLER 37.27N 93.90W
04/13/2012 E1.25 INCH LAWRENCE MO AMATEUR RADIO
HAIL VARYING BETWEEN QUARTER AND HALF DOLLAR SIZED.
&&
DSASpecial weather statement, Apr 13, 8:18 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 818 PM CDT FRI APR 13 2012 MOZ090-094-095-140200- CHRISTIAN MO-GREENE MO-LAWRENCE MO- 818 PM CDT FRI APR 13 2012 ...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL LAWRENCE... NORTHWESTERN CHRISTIAN AND WESTERN GREENE COUNTIES UNTIL 900 PM CDT... AT 816 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CHESAPEAKE...OR 7 MILES EAST OF MOUNT VERNON...MOVING NORTHEAST AT 35 MPH. NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS IMPACTED INCLUDE BATTLEFIELD...BILLINGS...BOIS D'ARC... CHESAPEAKE...GALLOWAY...GLIDEWELL...HALLTOWN...REPUBLIC...SPRINGFIELD AND WILLARD. INTERSTATE 44 BETWEEN MILE MARKERS 52 AND 77 WILL ALSO BE IMPACTED BY THIS STORM. PEOPLE IN EASTERN LAWRENCE...NORTHWESTERN CHRISTIAN AND WESTERN GREENE COUNTIES...INCLUDING BILLINGS...REPUBLIC AND SPRINGFIELD... SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI. LAT...LON 3739 9336 3708 9318 3700 9374 3718 9373 TIME...MOT...LOC 0119Z 242DEG 30KT 3710 9367 GRIFFIN
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:03 PM CDT | Special Weather Statement | SGF | Dade | 42 min |
| Apr 13, 7:15 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Jasper, Lawrence | 45 min |
| Apr 13, 7:59 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Lawrence | 31 min |
| Apr 13, 8:28 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Dallas, Greene, Polk | 25 min |
| Apr 13, 8:35 PM CDT | Severe Thunderstorm Warning | SGF | Greene | 24 min |
| Apr 13, 9:10 PM CDT | Flash Flood Watch | SGF | Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more | 13 hr |
| Apr 13, 9:24 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Dade, Polk | 36 min |
| Apr 13, 9:43 PM CDT | Flash Flood Warning | SGF | Camden, Maries, Miller, Morgan | 6 hr |
| Apr 13, 11:00 PM CDT | Flash Flood Warning | SGF | Phelps, Pulaski | 5 hr |
| Apr 14, 1:11 AM CDT | Special Weather Statement | SGF | Morgan | 49 min |
| Apr 14, 4:01 AM CDT | Areal Flood Warning | SGF | Camden, Maries, Miller, Morgan, Phelps, Pulaski | 12 hr |
| Apr 14, 5:48 AM CDT | Special Weather Statement | SGF | Jasper | 27 min |
| Apr 14, 7:12 AM CDT | Flash Flood Warning | SGF | Jasper, Lawrence, McDonald, Newton | 6 hr |
| Apr 14, 12:53 PM CDT | Areal Flood Warning | SGF | Jasper, Newton | 6 hr |
| Apr 14, 3:59 PM CDT | Areal Flood Warning | SGF | Benton, Camden, Laclede, Maries, Miller, Morgan and 2 more | 9 hr |
| Apr 14, 4:01 PM CDT | Areal Flood Warning | SGF | Dallas, Polk | 9 hr |
| Apr 14, 5:05 AM CDT | Special Weather Statement | SGF | Cherokee | 40 min |
Nearby
Special Weather Statements in Missouri, 2012Every special weather statement 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.