Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 331, NWS Springfield, MO

July 11, 2003St. Clair County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 11, 2003, 9:08 PM CDT for St. Clair County, Missouri. It was in force for 52 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, 9:08 PM CDT (02:08 UTC)
Expired
Jul 11, 2003, 10:00 PM CDT
In force
52 min
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 90 km from the middle of the area, began a volume at 02:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 11, 3:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 130 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2003-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2003-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

188 
WUUS53 KSGF 120208
SVRSGF
MOC185-120300-

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. CLAIR COUNTY IN MISSOURI

* UNTIL 1000 PM CDT.

* AT 907 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  NICKELS...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED 6 MILES EAST OF APPLETON CITY...OR 16 MILES SOUTHWEST OF
  CLINTON...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   LOWRY CITY BY 920 PM CDT.
   OSCEOLA BY 925 PM CDT.

THIS STORM HAS ALREADY PRODUCED THREE QUARTER INCH DIAMETER SIZED 
HAIL IN APPLETON CITY.

THE TOWNS OF JOHNSON CITY AND ICONIUM ARE ALSO IN THE PATH OF THIS
STORM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 3821 9404 3789 9407 3784 9362 3819 9352

$$

IZZI

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 7:41 PM CDTSevere Thunderstorm WarningSGFPulaski64 min
Jul 11, 7:56 PM CDTSevere Thunderstorm WarningSGFDouglas49 min
Jul 11, 8:07 PM CDTSevere Thunderstorm WarningSGFPhelps53 min
Jul 11, 8:39 PM CDTSevere Thunderstorm WarningSGFTexas66 min
Jul 11, 9:00 PM CDTSevere Thunderstorm WarningSGFVernon60 min
Jul 11, 9:06 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps54 min
Jul 11, 9:12 PM CDTSevere Thunderstorm WarningSGFBarton63 min
Jul 11, 9:19 PM CDTSevere Thunderstorm WarningSGFShannon56 min
Jul 11, 9:33 PM CDTSevere Thunderstorm WarningSGFHickory57 min
Jul 11, 9:55 PM CDTSevere Thunderstorm WarningSGFOregon65 min
Jul 11, 10:16 PM CDTSevere Thunderstorm WarningSGFCamden, Miller, Morgan59 min
Jul 11, 10:25 PM CDTSevere Thunderstorm WarningSGFBarry, Christian, Stone80 min
Jul 11, 10:43 PM CDTSevere Thunderstorm WarningSGFTaney77 min
Jul 11, 10:44 PM CDTSevere Thunderstorm WarningSGFDent61 min
Jul 11, 11:00 PM CDTSevere Thunderstorm WarningSGFVernon60 min
Jul 11, 11:12 PM CDTSevere Thunderstorm WarningSGFMcDonald63 min
Jul 11, 11:14 PM CDTFlash Flood WarningSGFDent4 hr
Jul 11, 11:27 PM CDTFlash Flood WarningSGFPhelps4 hr
Jul 11, 11:38 PM CDTSevere Thunderstorm WarningSGFShannon52 min
Jul 12, 12:02 AM CDTSevere Thunderstorm WarningSGFVernon73 min
Jul 12, 12:40 AM CDTSevere Thunderstorm WarningSGFGreene65 min
Jul 12, 12:52 AM CDTSevere Thunderstorm WarningSGFBarton, Dade53 min
Jul 12, 1:14 AM CDTSevere Thunderstorm WarningSGFVernon46 min
Jul 12, 1:23 AM CDTFlash Flood WarningSGFVernon3 hr
Jul 12, 1:40 AM CDTSevere Thunderstorm WarningSGFLawrence80 min
Jul 12, 1:44 AM CDTSevere Thunderstorm WarningSGFBarton, Dade76 min
Jul 12, 1:58 AM CDTSevere Thunderstorm WarningSGFStone47 min
Jul 12, 1:59 AM CDTSevere Thunderstorm WarningSGFCedar61 min
Jul 12, 2:17 AM CDTSevere Thunderstorm WarningSGFVernon58 min
Jul 12, 2:20 AM CDTFlash Flood WarningSGFBarton, Dade3 hr
Jul 12, 2:36 AM CDTSevere Thunderstorm WarningSGFChristian, Greene69 min
Jul 12, 2:38 AM CDTSevere Thunderstorm WarningSGFStone67 min
Jul 12, 2:54 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Lawrence81 min
Jul 12, 3:06 AM CDTFlash Flood WarningSGFChristian, Greene, Lawrence, Stone, Taney3 hr
Jul 12, 3:11 AM CDTSevere Thunderstorm WarningSGFPolk79 min
Jul 12, 3:44 AM CDTSevere Thunderstorm WarningSGFGreene61 min
Jul 12, 3:50 AM CDTSevere Thunderstorm WarningSGFNewton55 min
Jul 12, 3:56 AM CDTSevere Thunderstorm WarningSGFJasper64 min
Jul 12, 4:08 AM CDTSevere Thunderstorm WarningSGFBarry52 min
Jul 12, 4:30 AM CDTSevere Thunderstorm WarningSGFDallas, Polk45 min
Jul 12, 5:28 AM CDTSevere Thunderstorm WarningSGFBarry47 min
Jul 12, 5:41 AM CDTTornado WarningSGFBarry34 min
Jul 12, 6:09 AM CDTFlash Flood WarningSGFDallas, Greene, Polk, Webster4 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.