Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 334, NWS Springfield, MO

July 11, 2003Hickory County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 11, 2003, 9:33 PM CDT for Hickory County, Missouri. It was in force for 57 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, 9:33 PM CDT (02:33 UTC)
Expired: Jul 11, 2003, 10:30 PM CDT
In force: 57 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Hickory County, MO

The radar

The Springfield radar (KSGF), 82 km from the middle of the area, began a volume at 02:37 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, 5:10 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.6 hours before the alert went out and 125 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

046 
WUUS53 KSGF 120233
SVRSGF
MOC085-120330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
933 PM CDT FRI JUL 11 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HICKORY COUNTY IN MISSOURI

* UNTIL 1030 PM CDT.

* AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING TENNIS SIZE HAIL OR
  LARGER...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
  LOCATED NEAR OSCEOLA...OR 23 MILES SOUTH OF CLINTON...AND MOVING
  EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   WEAUBLEAU BY 940 PM CDT.
   WHEATLAND BY 945 PM CDT.
   HERMITAGE BY 950 PM CDT.

THE TOWNS OF QUINCY...CROSS TIMBERS...NEMO AND PRESTON ARE ALSO IN
THE PATH OF THIS STORM.

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 3806 9348 3787 9357 3785 9322 3804 9311

$$

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, 9:30 PM CDT, 3 minutes earlier.

Area forecast discussion, Jul 11, 9:30 PM CDT, 3 minutes before

MESOSCALE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
930 PM CDT FRI JUL 11 2003

.DISCUSSION...
LATEST SATELLITE/PROFILERS AND RADAR CONTINUE TO INDICATE STRONG TO
SEVERE THUNDERSTORMS PROPAGATING SOUTHEAST AT 35 TO 45 KTS ACROSS
SOUTHERN MISSOURI. DEEP LAYER SHEAR REMAINS HIGH (50-65 KTS) OVER
THE REGION WITH GOOD VEERING FROM THE SURFACE TO 50H. LOWEST 5K WIND
PROFILER NETWORK HAS INDICATED A STRENGTHENING LOW LEVEL JET OVER
NORTHERN OKLAHOMA...INTO SOUTHEAST KANSAS SINCE 01Z. ALSO VIS/FOG
SATELLITE HAS AN INCREASE AMOUNT OF CUMULUS DEVELOPING OVER CENTRAL
MISSOURI DURING THE LAST HOUR...WITH CONVECTION RE-DEVELOPING OVER
CENTRAL MISSOURI ALONG GREATEST 85H THETA-E AXIS.

IF CONDITIONS CONTINUE TO DEVELOP ALONG THE ORIENTATION OF THE LOW
LEVEL JET INTO SOUTHEAST KANSAS...RE-DEVELOPMENT OF CONVECTION WILL
CONTINUE OVER CENTRAL AND SOUTHERN MISSOURI DURING THE NEXT FEW
HOURS...WHICH MEANS THE INCREASE POSSIBILITY OF HEAVY/FLOODING RAINS.

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
.MO...NONE.
.KS...NONE.

JLT

Hazardous weather outlook, Jul 11, 6:45 PM CDT, 2 hours 48 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/IZZI

In the hours before

Local storm report, Jul 11, 7:16 PM CDT, 2 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
716 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0707 PM    3 N GROVESPRING           MO   .88 INCH HAIL
07/11/03   WRIGHT                         REPORTED BY PUBLIC.

Local storm report, Jul 11, 8:04 PM CDT, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
804 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 PM    ST ROBERT                 MO   1 INCH HAIL
07/11/03   PULASKI                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jul 11, 8:23 PM CDT, 1 hour 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
823 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0745 PM    4 SW BRINKTOWN            MO   WIND DAMAGE
07/11/03   MARIES                         TREES FELL ACROSS HIGHWAY
                                          BB. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jul 11, 8:45 PM CDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
845 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0845 PM    LICKING                   MO   .75 INCH HAIL
07/11/03   TEXAS                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jul 11, 8:49 PM CDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
849 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0847 PM    MAPLETON                  KS   1.75 INCH HAIL
07/11/03   BOURBON                        REPORTED BY TRAINED STORM
                                          SPOTTER.

Local storm report, Jul 11, 9:24 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
924 PM CDT FRI JUL 11 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0923 PM    LOWRY CITY                MO   1.75 INCH HAIL
07/11/03   ST.CLAIR                       REPORTED BY VOLUNTEER
                                          WEATHER OBSERVER.

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, 9:55 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, 11:12 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	63 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, 2003 Every 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.