Alert archive / Missouri / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 242, NWS Springfield, MO

October 18, 2007Shannon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 18, 2007, 1:47 AM CDT for Shannon County, Missouri. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 18, 2007, 1:47 AM CDT (06:47 UTC)
Expired: Oct 18, 2007, 2:14 AM CDT
In force: 27 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County Shannon County, MO

The radar

The Springfield radar (KSGF), 177 km from the middle of the area, began a volume at 06:48 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.

Issued	Product	Office	Lasted
Oct 17, 11:40 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.8 hours before the alert went out and 215 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: 1262 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 287 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 8.3

Open this sounding in Storm Lab

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 Oct 18, 1:46 AM CDT, 1 minute earlier.

Area forecast discussion, Oct 18, 1:46 AM CDT, 1 minute before

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Hazardous weather outlook, Oct 17, 11:49 PM CDT, 1 hour 58 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1149 PM CDT WED OCT 17 2007

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-190500-
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-
1149 PM CDT WED OCT 17 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TONIGHT.

  WEATHER HAZARDS EXPECTED:

 ISOLATED TORNADOES...DAMAGING WINDS IN EXCESS OF 70 MPH...AND
 HAIL TO THE SIZE OF QUARTERS.

  AREAS AFFECTED AND TIMING:

LOCATIONS EAST OF A BRANSON TO WARSAW LINE OVERNIGHT.

  DISCUSSION:

A SQUALL LINE WILL CONTINUE TO QUICKLY PUSH EAST THROUGH 2 AM
ACROSS THE EASTERN MISSOURI OZARKS. THE MAIN THREAT WITH THESE
STORMS WILL BE DAMAGING STRAIGHT LINE WINDS. CONDITIONS ARE STILL
FAVORABLE FOR ISOLATED TORNADOES TO DEVELOP WITHIN THE SQUALL LINE
AND A TORNADO WATCH REMAINS IN EFFECT OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

 ANOTHER STORM SYSTEM WILL DEVELOP IN THE PLAINS ON SUNDAY
 BRINGING A CHANCE OF THUNDERSTORMS TO THE AREA LATE SUNDAY AND
 SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

 SPOTTER ACTIVATION WILL LIKELY BE NEEDED THROUGH 2 AM EAST OF A
BRANSON TO WARSAW 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)

LINDENBERG

In the hours before

Local storm report, Oct 18, 12:11 AM CDT, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1211 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1130 PM     TSTM WND DMG     MORGAN                  37.51N 92.68W
10/17/2007                   LACLEDE            MO   EMERGENCY MNGR

            TREES DOWN ACROSS ROAD AND TELEPHONE POLES DOWN AS WELL.

&&

BARJENBRUCH

Local storm report, Oct 18, 12:14 AM CDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1214 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1135 PM     TSTM WND DMG     MORGAN                  37.51N 92.68W
10/17/2007                   LACLEDE            MO   EMERGENCY MNGR

            16000 BLOCK PECAN DRIVE. MOBILE HOME TURNED ON SIDE.
            CATTLE MISSING. POSSIBLE TORNADO TOUCHDOWN.

&&

BARJENBRUCH

Local storm report, Oct 18, 12:40 AM CDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1240 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1159 PM     TSTM WND DMG     RICHLAND                37.86N 92.40W
10/17/2007                   PULASKI            MO   EMERGENCY MNGR

            TREES DOWN AND POWER OUTAGES IN RICHLAND, ST. ROBERT, AND
            WAYNESVILLE. ROAD SIGNS DOWN IN THE ROADWAY IN ST.
            ROBERT. TREES ACROSS HIGHWAYS H AND TT OUTSIDE OF
            RICHLAND.

&&

BARJENBRUCH

Local storm report, Oct 18, 12:47 AM CDT, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1247 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1235 AM     TSTM WND GST     ROLLA                   37.95N 91.77W
10/18/2007  E65 MPH          PHELPS             MO   STORM CHASER

&&

BARJENBRUCH

Local storm report, Oct 18, 12:51 AM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1251 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1240 AM     TSTM WND GST     2 NW VICHY              38.13N 91.79W
10/18/2007  M62 MPH          MARIES             MO   ASOS

&&

BARJENBRUCH

Local storm report, Oct 18, 1:06 AM CDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
106 AM CDT THU OCT 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 AM     TSTM WND DMG     6 S RICHLAND            37.77N 92.40W
10/18/2007                   PULASKI            MO   PUBLIC

            TOPS TORN OUT OF TREES. 10 X 24 FOOT MODULAR SUNROOM
            MOVED OFF BLOCKS.

&&

BARJENBRUCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, McDonald, Newton	56 min
Oct 17, 9:34 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Jasper, St. Clair, Vernon	56 min
Oct 17, 9:38 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton	67 min
Oct 17, 9:49 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	42 min
Oct 17, 9:57 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, Polk, St. Clair	63 min
Oct 17, 10:05 PM CDT	Severe Thunderstorm Warning	SGF	Greene	70 min
Oct 17, 10:12 PM CDT	Severe Thunderstorm Warning	SGF	Christian	33 min
Oct 17, 10:21 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	54 min
Oct 17, 10:40 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	70 min
Oct 17, 10:50 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	55 min
Oct 17, 10:52 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell	53 min
Oct 17, 11:19 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	43 min
Oct 17, 11:22 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	53 min
Oct 17, 11:40 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski, Texas	55 min
Oct 17, 11:44 PM CDT	Severe Thunderstorm Warning	SGF	Dent	76 min
Oct 18, 12:05 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps	52 min
Oct 18, 12:18 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	57 min
Oct 18, 12:49 AM CDT	Severe Thunderstorm Warning	SGF	Howell	51 min
Oct 18, 1:13 AM CDT	Severe Thunderstorm Warning	SGF	Oregon	59 min
Oct 18, 1:32 AM CDT	Tornado Warning	SGF	Howell, Oregon	42 min
Oct 17, 7:35 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	55 min
Oct 17, 8:29 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	56 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2007 Every severe thunderstorm warning in 2007

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.