Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 175, NWS Springfield, MO

July 19, 2010Dent County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 19, 2010, 12:05 AM CDT for Dent County, Missouri. It was in force for 55 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
Jul 19, 2010, 12:05 AM CDT (05:05 UTC)
Expired
Jul 19, 2010, 1:00 AM CDT
In force
55 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Dent County, MO

The radar

The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 05:06 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.1 hours before the alert went out and 218 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 2010-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1862 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2010-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
1862 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1815 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 18, 11:37 PM CDT, 28 minutes earlier.

Area forecast discussion, Jul 18, 11:37 PM CDT, 28 minutes before
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Hazardous weather outlook, Jul 18, 8:12 PM CDT, 3 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
812 PM CDT SUN JUL 18 2010

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-200115-
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-
812 PM CDT SUN JUL 18 2010

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

.DAY ONE...TONIGHT.

THE HAZARDOUS WEATHER RISK LEVEL IS...ELEVATED.

WEATHER HAZARDS EXPECTED...

ELEVATED EXTREME HEAT RISK.
LIMITED LIGHTNING RISK.

DISCUSSION...

HEAT INDEX VALUES WILL REMAIN IN THE 90S THROUGH THE EVENING AS
TEMPERATURES DROP BACK INTO THE LOW TO MID 80S.

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT WEST OF AN ANDERSON
TO WARSAW LINE WITH A HEAT ADVISORY EAST OF THE LINE.

AN ISOLATED THUNDERSTORM OR TWO WILL BE POSSIBLE ACROSS EAST
CENTRAL INTO SOUTH CENTRAL MISSOURI TONIGHT. SEVERE STORMS ARE NOT
EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

ISOLATED SHOWERS AND THUNDERSTORMS MAY AFFECT THE EASTERN
OZARKS ON MONDAY. AFTERNOON HEAT INDEX VALUES NEAR OR IN EXCESS
OF 100 DEGREES CAN BE EXPECTED THROUGH THE REST OF THE WEEK WITH
UPPER LEVEL RIDGING REGAINING CONTROL.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

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

Special weather statement, Jul 18, 9:32 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
932 PM CDT SUN JUL 18 2010

MOZ071-083-190315-
PHELPS MO-DENT MO-
932 PM CDT SUN JUL 18 2010

...SIGNIFICANT WEATHER ALERT FOR EAST CENTRAL PHELPS AND EASTERN DENT
COUNTIES UNTIL 1015 PM CDT...

AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM EXTENDING FROM 3 MILES SOUTHEAST OF ST. JAMES
TO 6 MILES EAST OF BOSS...MOVING SOUTHEAST AT 10 MPH. NICKEL SIZE
HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BANGERT...BOSS...GLADDEN...HOWES MILL...
HOWES...ROSATI...SALEM...SLIGO...ST. JAMES...STONE HILL AND TURTLE.

INTERSTATE 44 BETWEEN MILE MARKERS 193 AND 199 WILL ALSO BE IMPACTED
BY THESE STORMS.

PEOPLE IN EASTERN DENT AND EASTERN PHELPS COUNTIES...INCLUDING ST.
JAMES...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

THESE STORMS ARE PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INDOORS IMMEDIATELY AND STAY AWAY FROM
WINDOWS.

BOXELL
Special weather statement, Jul 18, 10:13 PM CDT, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1013 PM CDT SUN JUL 18 2010

MOZ071-083-190345-
PHELPS MO-DENT MO-
1013 PM CDT SUN JUL 18 2010

...SIGNIFICANT WEATHER ALERT FOR EASTERN DENT AND NORTHEASTERN PHELPS
COUNTIES UNTIL 1045 PM CDT...

AT 1011 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTHEAST OF
ST. JAMES TO HOWES MILL TO 21 MILES SOUTHEAST OF BOSS...MOVING SOUTH
AT 5 MPH. NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED
WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE BANGERT...BOSS...GLADDEN...HOWES MILL...
HOWES...ROSATI...SALEM...SLIGO...ST. JAMES...STONE HILL AND TURTLE.

PEOPLE IN EASTERN DENT AND NORTHEASTERN PHELPS COUNTIES...INCLUDING
ST. JAMES...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

THESE STORMS ARE PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INDOORS IMMEDIATELY AND STAY AWAY FROM
WINDOWS.

BOXELL
Special weather statement, Jul 18, 10:46 PM CDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1046 PM CDT SUN JUL 18 2010

MOZ071-083-098-190415-
SHANNON MO-PHELPS MO-DENT MO-
1046 PM CDT SUN JUL 18 2010

...SIGNIFICANT WEATHER ALERT FOR EAST CENTRAL PHELPS...EASTERN DENT
AND NORTHEASTERN SHANNON COUNTIES UNTIL 1115 PM CDT...

AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES NORTH OF
BANGERT TO 9 MILES NORTHEAST OF MIDRIDGE...MOVING SOUTH AT 10 MPH.
NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE BANGERT...BOSS...GLADDEN...HOWES MILL...
HOWES...MIDRIDGE...SALEM...SLIGO...STONE HILL AND TURTLE.

IN ADDITION...VERY HEAVY RAIN WILL BE POSSIBLE WITH THESE STORMS.
RAINFALL RATES COULD BE GREATER THAN TWO INCHES PER HOUR IN SOME
LOCATIONS.

PEOPLE IN EASTERN DENT...EASTERN PHELPS AND NORTHEASTERN SHANNON
COUNTIES...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

THESE STORMS ARE PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INDOORS IMMEDIATELY AND STAY AWAY FROM
WINDOWS.

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 11:17 PM CDTFlash Flood WarningSGFDent6 hr
Jul 19, 1:51 AM CDTFlash Flood WarningSGFOregon, Shannon6 hr
Jul 19, 3:32 AM CDTFlash Flood WarningSGFDent, Phelps10 hr
Jul 19, 3:41 AM CDTFlash Flood WarningSGFOregon6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2010Every severe thunderstorm warning in 2010

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.