Alert archive / Missouri / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 322, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jul 11, 2003, 6:55 PM CDT for Wright County, Missouri. It was in force for 65 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, 6:55 PM CDT (23:55 UTC)
- Expired
- Jul 11, 2003, 8:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Springfield, MO
- Area
- Counties, with a storm outline in the text
County Wright County, MO
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, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.9 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2141 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
765
WUUS53 KSGF 112355
SVRSGF
MOC229-120100-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
655 PM CDT FRI JUL 11 2003
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WRIGHT COUNTY IN MISSOURI
* UNTIL 800 PM CDT.
* AT 651 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL TO THE SIZE OF
QUARTERS...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 10 MILES EAST OF CONWAY...OR 13 MILES SOUTH OF LEBANON...
AND MOVING SOUTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
WRIGHT COUNTY.
THE TOWNS OF GROVESPRING...MANES AND DAWSON ARE ALSO IN THE PATH OF
THIS STORM.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS OR INSIDE
A VEHICLE IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
LAT...LON 3752 9257 3748 9271 3707 9235 3707 9228
3736 9226
$$
CRAMERWhat 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, 6:20 PM CDT, 35 minutes earlier.
Area forecast discussion, Jul 11, 6:20 PM CDT, 35 minutes before
MESOSCALE FORECAST DISCUSSION...ADDED AVIATION. NATIONAL WEATHER SERVICE SPRINGFIELD MO 620 PM CDT FRI JUL 11 2003 .DISCUSSION... SEVERE THUNDERSTORMS CONTINUE TO DEVELOP ALONG STRONG MOISTURE AXIS FROM NEAR HARRISONVILLE MISSOURI TO OSCEOLA...BUFFALO AND HARTVILLE. STRONG VERTICAL SHEAR WAS EVIDENT WITH N/NW FLOW ABOVE 50H BACKING TO W/SW BELOW 70H. SURFACE WIND FIELDS NEAR LAKE OF THE OZARKS WERE FROM THE E/SE...WITH S/SW ACROSS SOUTHWEST MISSOURI. VISIBLE SATELLITE INDICATED MORE DEVELOPMENT OVER EAST CENTRAL KANSAS WHICH WILL LIKELY BE THE NEXT INITIATION OF CONVECTION OVER WEST CENTRAL...AND EVENTUALLY SOUTHWEST MISSOURI THIS EVENING. 0-1KM SR HELICITY ARE NEAR 150 M2/S2 WITH 250-300 M2/S2 AT 0-3 KM NEAR THE MOISTURE AXIS. LATEST RUC STILL INDICATES THE SLOW PROGRESSION OF THE THUNDERSTORM DURING THE NEXT FEW HOURS SOUTHWARD TOWARD SOUTHWEST MISSOURI. && .AVIATION...CURRENT RADAR AND SATELLITE INFORMATION INDICATES THAT THE MAIN CONVECTION WILL ENTER THE SPRINGFIELD/JOPLIN AREAS AROUND 9 PM. STILL LOOKS GOOD FOR DOWNBURST POTENTIAL OF 20 TO 40 KTS WITH MVFR CEILINGS. LOCALIZED IFR CEILINGS/VISIBILITIES ARE POSSIBLE. WILL CONTINUE SHOWERS DURING THE NIGHT...WITH VFR CEILINGS AFTER SUNRISE TOMORROW. && .SGF WATCHES/WARNINGS/ADVISORIES... .MO...NONE. .KS...NONE. JLT/IZZI
Hazardous weather outlook, Jul 11, 6:45 PM CDT, 10 minutes before
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-121100-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
645 PM CDT FRI JUL 11 2003
...SEVERE THUNDERSTORMS WITH HEAVY RAINFALL POSSIBLE TONIGHT...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MISSOURI OZARKS AND EXTREME
SOUTHEAST KANSAS.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
NUMEROUS THUNDERSTORMS TONIGHT...ISOLATED 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 AN STRONG
MOISTURE AXIS LINE FROM WEST CENTRAL MISSOURI...SOUTH OF KANSAS
CITY...TO SOUTH CENTRAL MISSOURI DURING THE EVENING. ALTHOUGH THE
SEVERE THREAT WILL DIMINISH OVERNIGHT...THUNDERSTORMS WILL LIKELY
CONTINUE...AND BECOME MORE OF HEAVY RAINFALL PRODUCER. MOST OF THE
OZARKS AND SOUTHEAST KANSAS WILL BE IN THE THREAT AREA OVERNIGHT.
DISCUSSION:
A STRONG UPPER LEVEL DISTURBANCE WILL MOVE SOUTHWARD THROUGH THE
MISSISSIPPI VALLEY TONIGHT. AS THE DISTURBANCE APPROACHES THE AREA
SCATTERED THUNDERSTORMS WILL DEVELOP. THUNDERSTORMS WILL BECOME
MORE NUMEROUS TONIGHT AS THE UPPER LEVEL DISTURBANCE GETS CLOSER
TO THE AREA AND A LOW LEVEL JET DEVELOPS. STRONG WINDS ALOFT WILL
COMBINED WITH MODERATELY STRONG INSTABILITY AND LEAD TO FAVORABLE
CONDITIONS FOR SOME OF THE THUNDERSTORMS TO BECOME SEVERE TONIGHT.
IN ADDITION TO THE SEVERE THREAT...SOME OF THE THUNDERSTORMS WILL
CONTAIN HEAVY RAINFALL. AT THIS TIME CONDITIONS DO NOT APPEAR
FAVORABLE FOR WIDESPREAD OR SIGNIFICANT FLOODING...BUT SOME
LOCATIONS COULD SEE RAINFALL AMOUNTS OF 1 TO 2 INCHES TONIGHT.
RAINFALL OF THIS MAGNITUDE COULD LEAD TO PONDING OF WATER OR
MINOR FLOODING IN THE TYPICAL LOW LYING AND POOR DRAINAGE AREAS.
.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 ANYTIME THIS EVENING...BUT IS
MORE LIKELY AFTER 9 PM OVER SOUTHWEST MISSOURI AND SOUTHEAST
KANSAS.
&&
THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH OTHER
WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF
JLT/IZZIIn the hours before
Local storm report, Jul 11, 3:06 PM CDT, 3 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
306 PM CDT FRI JUL 11 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0255 PM 3 SE GRAVOIS MILLS MO 60 MPH TSTM GUST
07/11/03 MORGAN REPORTED BY AGTAP
BUSINESS.Special weather statement, Jul 11, 4:00 PM CDT, 2 hours 55 minutes before
KSZ073-097-101-MOZ066>068-077>079-088>090-093>095-101>104-120300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 400 PM CDT FRI JUL 11 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH NUMBER 61...IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING. THIS SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES... IN MISSOURI: BARRY...BARTON...CEDAR...CHRISTIAN...DADE...GREENE...HICKORY... JASPER...LAWRENCE...MCDONALD...NEWTON...POLK...ST. CLAIR...STONE... TANEY AND VERNON. IN KANSAS: BOURBON...CHEROKEE AND CRAWFORD. SOME CITIES IN THIS SEVERE THUNDERSTORM WATCH INCLUDE BOLIVAR... BRANSON...FORT SCOTT...JOPLIN...MONETT...MOUNT VERNON...NEOSHO... NEVADA...OZARK...PITTSBURG...SPRINGFIELD AND STOCKTON. A VERY MOIST AND UNSTABLE AIRMASS HAS SURGED NORTH OVER EXTREME SOUTHEAST KANSAS AND MUCH OF SOUTHWEST MISSOURI THIS AFTERNOON. A WARM FRONT EXTENDING FROM NORTHEAST KANSAS INTO SOUTHWEST MISSOURI...WILL ACT AS A FOCUSING MECHANISM FOR SHOWER AND THUNDERSTORM DEVELOPMENT. THIS FEATURE IN CONJUNCTION WITH CONTINUED AFTERNOON HEATING...WILL ALLOW STORMS TO QUICKLY BECOME SEVERE...WITH HAIL UP TO TWO AND HALF INCHES IN DIAMETER AND THUNDERSTORM WIND GUSTS IN EXCESS OF 60 MPH. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER...INCLUDING LARGE HAIL...DAMAGING WINDS...AND LOCALLY HEAVY RAIN...IN AND CLOSE TO THE WATCH AREA. WHILE SEVERE WEATHER MAY NOT BE IMMINENT...PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CRAMER
Special weather statement, Jul 11, 5:27 PM CDT, 1 hour 28 minutes before
MOZ055>058-069>071-080>083-091-092-096>098-105-106-120300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE SPRINGFIELD MO 527 PM CDT FRI JUL 11 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH NUMBER 725...IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING. THIS SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES... IN MISSOURI: BENTON...CAMDEN...DALLAS...DENT...DOUGLAS...HOWELL...LACLEDE... MARIES...MILLER...MORGAN...OREGON...OZARK...PHELPS...PULASKI... SHANNON...TEXAS...WEBSTER AND WRIGHT. SOME CITIES IN THIS SEVERE THUNDERSTORM WATCH INCLUDE AVA... CAMDENTON...FORT LEONARD WOOD...HOUSTON...LEBANON...OSAGE BEACH... ROLLA AND WEST PLAINS. A VERY MOIST AND UNSTABLE AIRMASS HAS SURGED NORTH OVER EXTREME SOUTHEAST KANSAS AND MUCH OF SOUTHWEST MISSOURI THIS AFTERNOON. A WARM FRONT EXTENDING FROM NORTHEAST KANSAS INTO SOUTHWEST MISSOURI...WILL ACT AS A FOCUSING MECHANISM FOR SHOWER AND THUNDERSTORM DEVELOPMENT. THIS FEATURE IN CONJUNCTION WITH CONTINUED AFTERNOON HEATING...WILL ALLOW STORMS TO QUICKLY BECOME SEVERE...WITH HAIL UP TO TWO AND HALF INCHES IN DIAMETER AND THUNDERSTORM WIND GUSTS IN EXCESS OF 60 MPH. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER...INCLUDING LARGE HAIL...DAMAGING WINDS...AND LOCALLY HEAVY RAIN...IN AND CLOSE TO THE WATCH AREA. WHILE SEVERE WEATHER MAY NOT BE IMMINENT...PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CRAMER
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 2:31 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Morgan | 59 min |
| Jul 11, 5:20 PM CDT | Severe Thunderstorm Warning | SGF | Camden | 40 min |
| Jul 11, 5:52 PM CDT | Severe Thunderstorm Warning | SGF | Benton | 53 min |
| Jul 11, 5:57 PM CDT | Tornado Warning | SGF | Benton | 48 min |
| Jul 11, 6:07 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Laclede | 53 min |
| Jul 11, 6:08 PM CDT | Severe Thunderstorm Warning | SGF | Dallas | 52 min |
| Jul 11, 6:15 PM CDT | Severe Thunderstorm Warning | SGF | Hickory | 45 min |
| Jul 11, 6:18 PM CDT | Tornado Warning | SGF | Dallas | 42 min |
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.