Alert archive / Missouri / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 342, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jul 11, 2003, 11:12 PM CDT for McDonald County, Missouri. It was in force for 63 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
- Jul 11, 2003, 11:12 PM CDT (04:12 UTC)
- Expired
- Jul 12, 2003, 12:15 AM CDT
- In force
- 63 min
- Issued by
- NWS Springfield, MO
- Area
- Counties, with a storm outline in the text
County McDonald County, MO
The radar
The Springfield radar (KSGF), 103 km from the middle of the area, began a volume at 04:12 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.2 hours before the alert went out and 52 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
- 1159 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1763 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 309 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KSGF 120412 SVRSGF MOC119-120515- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD MO 1113 PM CDT FRI JUL 11 2003 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MCDONALD COUNTY IN MISSOURI * UNTIL 1215 AM CDT. * AT 1107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WHEATON TO NEOSHO TO 9 MILES WEST OF ANDERSON...AND MOVING SOUTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... PINEVILLE...NOEL...LANAGAN BY 1120 PM CDT. THE TOWNS OF ROCKY COMFORT AND POWELL ARE ALSO IN THE PATH OF THESE STORMS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. LAT...LON 3675 9409 3675 9462 3652 9461 3650 9410 $$ IZZI
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 Jul 11, 10:45 PM CDT, 27 minutes earlier.
Area forecast discussion, Jul 11, 10:45 PM CDT, 27 minutes before
MESOSCALE FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 1045 PM CDT FRI JUL 11 2003 .DISCUSSION... MAIN THUNDERSTORM COMPLEX THAT DEVELOPED OVER EASTERN KANSAS THIS EVENING...HAS PROPAGATED SOUTHEAST...AND WAS LOCATED FROM JOPLIN TO SPRINGFIELD AND COMMUNITIES SOUTHWARD. NUMEROUS WIND GUSTS OF 35 TO 45 MPH FROM THE SOUTH/SOUTHWEST OCCURRED AT THE SPRINGFIELD AIRPORT SINCE 1015 PM. THIS WAS CONTRIBUTED TO OUTFLOW FROM STORMS THAT DEVELOPED OVER SOUTHERN GREENE COUNTY. KSGF VAD WINDS AND AREA PROFILERS STILL INDICATE A W/SW FLOW UNDER 5K WITH AN INCREASE LOW LEVEL JET MAX IN SOUTHEAST KANSAS OF 35 KTS @ 85H. SURFACE WINDS AND LATEST RUC/LAPS INFORMATION STILL INDICATES MOISTURE CONVERGENCE OVER SOUTHERN AND PORTIONS OF CENTRAL MISSOURI DURING THE NEXT FEW HOURS. CONVECTION STILL DEVELOPING OVER CENTRAL MISSOURI AS STRONG 85H THETA-E ADVECTION CONTINUES. AREAS FROM LAKE OF THE OZARKS REGION...SOUTHEAST TO HOUSTON AND EMINENCE ARE THE MOST PRIME AREAS OF RECEIVING ADDITIONAL HEAVY RAINFALL THROUGH 1 AM. THIS IS THE BEST LOCATION OF THE LOW LEVEL JET INTERACTING WITH SURFACE OUTFLOW BOUNDARIES CAUSING ADDITIONAL DEVELOPMENT OF STORMS. WILL CONTINUE TO MONITOR THESE AREAS...HOWEVER PARTS OF PHELPS AND DENT COUNTIES HAVE ALREADY RECEIVED ONE TO THREE INCHES SINCE 8 PM...AS PER LATEST FLASH FLOOD MONITORING AND PREDICTION ALGORITHM. && .SGF WATCHES/WARNINGS/ADVISORIES... .MO...NONE. .KS...NONE. JLT
Hazardous weather outlook, Jul 11, 10:25 PM CDT, 47 minutes before
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-121100-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1025 PM CDT FRI JUL 11 2003
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MISSOURI OZARKS AND EXTREME
SOUTHEAST KANSAS.
.DAY ONE...OVERNIGHT.
WEATHER HAZARDS EXPECTED:
NUMEROUS THUNDERSTORMS TONIGHT...SCATTERED STORMS MAY
CONTAIN:
HAIL UP TO THE SIZE OF HALF DOLLARS.
WIND GUSTS IN EXCESS 60 MPH.
LOCALLY HEAVY RAINFALL...WITH LOCAL AMOUNTS IN EXCESS OF AN INCH.
AREAS AFFECTED AND TIMING:
SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG A STRONG
MOISTURE AXIS LINE FROM SOUTHEAST KANSAS...EASTWARD THROUGH
SOUTHERN MISSOURI DURING THE OVERNIGHT HOURS. THE SEVERE HAIL AND
HIGH WIND EVENT WILL LIKELY DIMINISH BY 1 AM...HOWEVER...THE
THREAT OF FLOODING WILL INCREASE OVERNIGHT AS RAINFALL WILL LIKELY
CONTINUE OVER THE SAME AREAS THAT RECEIVED HEAVY RAINFALL FRIDAY
EVENING.
DISCUSSION:
A STRONG UPPER LEVEL DISTURBANCE WILL MOVE SOUTHWARD THROUGH THE
MISSISSIPPI VALLEY TONIGHT. AS THE DISTURBANCE APPROACHES THE AREA
ADDITIONAL THUNDERSTORMS WILL DEVELOP...ESPECIALLY ALONG A DEVELOP
LOW LEVEL JET AND THETA-E RIDGE AXIS LINE OVER SOUTHERN MISSOURI.
IN ADDITION TO THE SEVERE THREAT...SOME OF THE THUNDERSTORMS WILL
CONTAIN HEAVY RAINFALL. AT THIS TIME CONDITIONS DO NOT FAVOR AN
SIGNIFICANT FLOODING EVENT...BUT ISOLATED FLOODING IS LIKELY AS
THE DEVELOPMENT OF THE LOW LEVEL JET BECOMES MORE PRONOUNCED
OVERNIGHT. SOME LOCATIONS COULD SEE RAINFALL AMOUNTS OF 1 TO 2
INCHES TONIGHT...WITH ISOLATED THREE TO FOUR INCH AMOUNTS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
THE FRONTAL BOUNDARY IS EXPECTED TO STALL OUT OVER SOUTHERN
MISSOURI TOMORROW. ADDITIONAL THUNDERSTORM DEVELOPMENT IS EXPECTED
ALONG THE BOUNDARY DURING THE DAY TOMORROW. IT IS UNCLEAR HOW
TONIGHTS THUNDERSTORMS WILL AFFECT CLOUD COVER AND SUBSEQUENT
INSTABILITY...HOWEVER IF THE ATMOSPHERE DOES DESTABILIZE...WIND
FIELDS WILL REMAIN SUPPORTIVE OF SEVERE THUNDERSTORMS WITH LARGE
HAIL AND DAMAGING WINDS AGAIN ON SATURDAY.
THUNDERSTORMS ARE AGAIN POSSIBLE TUESDAY NIGHT AND WEDNESDAY AS
YET ANOTHER DISTURBANCE MOVES INTO THE REGION.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY THROUGH 3 AM OVER MOST OF SOUTHERN
MISSOURI.
&&
THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH OTHER
WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF
JLTIn the hours before
Local storm report, Jul 11, 9:58 PM CDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
958 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 PM ARMA KS 1 INCH HAIL
07/11/03 CRAWFORD REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0948 PM 4 S MINDENMINES MO .75 INCH HAIL
07/11/03 BARTON REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 11, 10:05 PM CDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1005 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0558 PM 6 S WARSAW MO 1 INCH HAIL
07/11/03 BENTON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0615 PM 2 E TUNAS MO WIND DAMAGE
07/11/03 DALLAS TREES DOWN ACROSS HIGHWAY
E. REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0620 PM FRISTOE MO 1 INCH HAIL
07/11/03 BENTON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0625 PM BENNETT SPRINGS MO WIND DAMAGE
07/11/03 LACLEDE TREE DOWN ON LARGE TENT.
INJURIES. REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0625 PM BENNETT SPGS MO .75 INCH HAIL
07/11/03 LACLEDE REPORTED BY PUBLIC.
0707 PM 3 N GROVESPRING MO .88 INCH HAIL
07/11/03 WRIGHT REPORTED BY .
0745 PM 4 SW BRINKTOWN MO WIND DAMAGE
07/11/03 MARIES TREES FELL ACROSS HIGHWAY
BB. REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0800 PM ST ROBERT MO 1 INCH HAIL
07/11/03 PULASKI REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0845 PM LICKING MO .75 INCH HAIL
07/11/03 TEXAS REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0847 PM MAPLETON KS 1.75 INCH HAIL
07/11/03 BOURBON REPORTED BY TRAINED STORM
SPOTTER.
0923 PM LOWRY CITY MO 1.75 INCH HAIL
07/11/03 ST.CLAIR REPORTED BY VOLUNTEER
WEATHER OBSERVER.
0925 PM ARMA KS 1 INCH HAIL
07/11/03 CRAWFORD REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0930 PM 7 W WEST EMINENCE MO .75 INCH HAIL
07/11/03 SHANNON REPORTED BY COOPERATIVE
OBSERVER.
0948 PM 4 S MINDENMINES MO .75 INCH HAIL
07/11/03 BARTON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0958 PM 6 S BIRCH TREE MO .88 INCH HAIL
07/11/03 SHANNON REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 11, 10:33 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1033 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1020 PM MARIONVILLE MO WIND DAMAGE
07/11/03 LAWRENCE TREES DOWN. REPORTED BY
HAM RADIO OPERATOR.
1029 PM ALTON MO 1 INCH HAIL
07/11/03 OREGON REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 11, 10:36 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1036 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1020 PM MARIONVILLE MO WIND DAMAGE
07/11/03 LAWRENCE TREES DOWN. REPORTED BY
HAM RADIO OPERATOR.
1023 PM 3 S HIGHLANDVILLE MO .75 INCH HAIL
07/11/03 CHRISTIAN REPORTED BY HAM RADIO
OPERATOR.Local storm report, Jul 11, 10:57 PM CDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1057 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1020 PM MARIONVILLE MO WIND DAMAGE
07/11/03 LAWRENCE TREES DOWN. REPORTED BY
HAM RADIO OPERATOR.Local storm report, Jul 11, 11:02 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1102 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1037 PM AURORA MO 60 MPH TSTM GUST
07/11/03 LAWRENCE POWERLINES DOWN. REPORTED
BY LAW ENFORCEMENT
OFFICIAL.
1040 PM GALENA MO 60 MPH TSTM GUST
07/11/03 STONE NUMEROUS TREES DOWN
ACROSS NORTHERN STONE
COUNTY. REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1048 PM 4 N CRANE MO 70 MPH TSTM GUST
07/11/03 STONE NUMEROUS TREES DOWN.
REPORTED BY VOLUNTEER
WEATHER OBSERVER.
1055 PM SALEM MO WIND DAMAGE
07/11/03 DENT POWER POLES AND TREES
DOWN. WIDESPREAD POWER
OUTAGES. REPORTED BY LAW
ENFORCEMENT OFFICIAL.The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 7:41 PM CDT | Severe Thunderstorm Warning | SGF | Pulaski | 64 min |
| Jul 11, 7:56 PM CDT | Severe Thunderstorm Warning | SGF | Douglas | 49 min |
| Jul 11, 8:07 PM CDT | Severe Thunderstorm Warning | SGF | Phelps | 53 min |
| Jul 11, 8:39 PM CDT | Severe Thunderstorm Warning | SGF | Texas | 66 min |
| Jul 11, 9:00 PM CDT | Severe Thunderstorm Warning | SGF | Vernon | 60 min |
| Jul 11, 9:06 PM CDT | Severe Thunderstorm Warning | SGF | Maries, Phelps | 54 min |
| Jul 11, 9:08 PM CDT | Severe Thunderstorm Warning | SGF | St. Clair | 52 min |
| Jul 11, 9:12 PM CDT | Severe Thunderstorm Warning | SGF | Barton | 63 min |
| Jul 11, 9:19 PM CDT | Severe Thunderstorm Warning | SGF | Shannon | 56 min |
| Jul 11, 9:33 PM CDT | Severe Thunderstorm Warning | SGF | Hickory | 57 min |
| Jul 11, 9:55 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 65 min |
| Jul 11, 10:16 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Miller, Morgan | 59 min |
| Jul 11, 10:25 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Christian, Stone | 80 min |
| Jul 11, 10:43 PM CDT | Severe Thunderstorm Warning | SGF | Taney | 77 min |
| Jul 11, 10:44 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 61 min |
| Jul 11, 11:00 PM CDT | Severe Thunderstorm Warning | SGF | Vernon | 60 min |
| Jul 11, 11:14 PM CDT | Flash Flood Warning | SGF | Dent | 4 hr |
| Jul 11, 11:27 PM CDT | Flash Flood Warning | SGF | Phelps | 4 hr |
| Jul 11, 11:38 PM CDT | Severe Thunderstorm Warning | SGF | Shannon | 52 min |
| Jul 12, 12:02 AM CDT | Severe Thunderstorm Warning | SGF | Vernon | 73 min |
| Jul 12, 12:40 AM CDT | Severe Thunderstorm Warning | SGF | Greene | 65 min |
| Jul 12, 12:52 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Dade | 53 min |
| Jul 12, 1:14 AM CDT | Severe Thunderstorm Warning | SGF | Vernon | 46 min |
| Jul 12, 1:23 AM CDT | Flash Flood Warning | SGF | Vernon | 3 hr |
| Jul 12, 1:40 AM CDT | Severe Thunderstorm Warning | SGF | Lawrence | 80 min |
| Jul 12, 1:44 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Dade | 76 min |
| Jul 12, 1:58 AM CDT | Severe Thunderstorm Warning | SGF | Stone | 47 min |
| Jul 12, 1:59 AM CDT | Severe Thunderstorm Warning | SGF | Cedar | 61 min |
| Jul 12, 2:17 AM CDT | Severe Thunderstorm Warning | SGF | Vernon | 58 min |
| Jul 12, 2:20 AM CDT | Flash Flood Warning | SGF | Barton, Dade | 3 hr |
| Jul 12, 2:36 AM CDT | Severe Thunderstorm Warning | SGF | Christian, Greene | 69 min |
| Jul 12, 2:38 AM CDT | Severe Thunderstorm Warning | SGF | Stone | 67 min |
| Jul 12, 2:54 AM CDT | Severe Thunderstorm Warning | SGF | Cedar, Dade, Lawrence | 81 min |
| Jul 12, 3:06 AM CDT | Flash Flood Warning | SGF | Christian, Greene, Lawrence, Stone, Taney | 3 hr |
| Jul 12, 3:11 AM CDT | Severe Thunderstorm Warning | SGF | Polk | 79 min |
| Jul 12, 3:44 AM CDT | Severe Thunderstorm Warning | SGF | Greene | 61 min |
| Jul 12, 3:50 AM CDT | Severe Thunderstorm Warning | SGF | Newton | 55 min |
| Jul 12, 3:56 AM CDT | Severe Thunderstorm Warning | SGF | Jasper | 64 min |
| Jul 12, 4:08 AM CDT | Severe Thunderstorm Warning | SGF | Barry | 52 min |
| Jul 12, 4:30 AM CDT | Severe Thunderstorm Warning | SGF | Dallas, Polk | 45 min |
| Jul 12, 5:28 AM CDT | Severe Thunderstorm Warning | SGF | Barry | 47 min |
| Jul 12, 5:41 AM CDT | Tornado Warning | SGF | Barry | 34 min |
| Jul 12, 6:09 AM CDT | Flash Flood Warning | SGF | Dallas, Greene, Polk, Webster | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2003Every severe thunderstorm warning in 2003
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.