Alert archive / Missouri / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 293, NWS Springfield, MO

June 30, 2009Taney County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 30, 2009, 3:58 AM CDT for Taney County, Missouri. It was in force for 23 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: Jun 30, 2009, 3:58 AM CDT (08:58 UTC)
Expired: Jun 30, 2009, 4:21 AM CDT
In force: 23 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County Taney County, MO

The radar

The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 09:00 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.0 hours before the alert went out and 69 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: 192 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 2005 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 300858
SVRSGF
MOC213-301000-
/O.NEW.KSGF.SV.W.0293.090630T0858Z-090630T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
358 AM CDT TUE JUN 30 2009

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TANEY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 500 AM CDT.

* AT 356 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR ROCKAWAY BEACH...OR NEAR FORSYTH...MOVING
  SOUTHEAST AT 40 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER
  SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE BRANSON...EDGEWATER BEACH...FORSYTH...
  HOLLISTER...KIRBYVILLE...KISSEE MILLS...MERRIAM WOODS...OZARK
  BEACH...POWERSITE...PROTEM...ROCKAWAY BEACH...RUETER...TANEYVILLE
  AND WALNUT SHADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

&&

LAT...LON 3671 9331 3682 9316 3682 9312 3657 9277
      3650 9278 3649 9311 3649 9318
TIME...MOT...LOC 0858Z 316DEG 33KT 3669 9313

$$

CLAYCOMB

2 follow-up statements

000 
WWUS53 KSGF 300911
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
411 AM CDT TUE JUN 30 2009

MOC213-301000-
/O.CON.KSGF.SV.W.0293.000000T0000Z-090630T1000Z/
TANEY MO-
411 AM CDT TUE JUN 30 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR TANEY COUNTY...

AT 411 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR POWERSITE...OR NEAR FORSYTH...
MOVING SOUTHEAST AT 30 MPH. THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE EDGEWATER BEACH...FORSYTH...KIRBYVILLE...
KISSEE MILLS...MERRIAM WOODS...OZARK BEACH...POWERSITE...PROTEM...
ROCKAWAY BEACH AND RUETER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

&&

LAT...LON 3670 9320 3677 9312 3657 9278 3650 9278
      3649 9318
TIME...MOT...LOC 0911Z 318DEG 25KT 3665 9309

$$

CLAYCOMB

000 
WWUS53 KSGF 300921
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
421 AM CDT TUE JUN 30 2009

MOC213-300931-
/O.CAN.KSGF.SV.W.0293.000000T0000Z-090630T1000Z/
TANEY MO-
421 AM CDT TUE JUN 30 2009

...THE SEVERE THUNDERSTORM WARNING FOR TANEY COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 3670 9320 3677 9312 3657 9278 3650 9278
      3649 9318
TIME...MOT...LOC 0921Z 318DEG 25KT 3660 9304

$$

CLAYCOMB

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 Jun 30, 2:54 AM CDT, 1 hour 4 minutes earlier.

Area forecast discussion, Jun 30, 2:54 AM CDT, 1 hour 4 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
254 AM CDT TUE JUN 30 2009

.DISCUSSION...

THE LARGE SCALE PATTERN THIS MORNING FEATURES AN UPPER LEVEL LOW
CENTERED OVER LAKE SUPERIOR AND AN UPPER LEVEL RIDGE OVER THE
WESTERN UNITED STATES. THIS SETUP PUTS THE CENTRAL UNITED STATES IN A
NORTHWEST FLOW ALOFT. THESE TYPES OF REGIMES ARE TROUBLESOME THIS
TIME OF YEAR AS IT DOES NOT TAKE THAT MUCH TO FIRE OFF CONVECTION.
THUS...THE MAIN FORECAST CONCERN OVER THE NEXT SEVEN DAYS WILL BE
CHANCES FOR CONVECTION.

TODAY...THE FIRST CONCERN WILL BE THE CONVECTION THAT HAS FIRED
WITHIN THE LAST TWO HOURS ACROSS WESTERN MISSOURI. THIS ACTIVITY HAS
DEVELOPED ALONG AN AREA OF CONVERGENCE BETWEEN 850 AND 700
MB...AND IS TRACKING SOUTHEAST ALONG A RATHER IMPRESSIVE LOW
LEVEL THETA E GRADIENT. THIS TREND IS EXPECTED TO CONTINUE INTO
EARLY THIS MORNING. MEANWHILE...A WEAK SURFACE FRONT WILL SLIP
SOUTH ACROSS THE OZARKS LATE THIS MORNING AND THIS AFTERNOON. THIS
BOUNDARY WILL LIKELY PROVIDE AN ADDITIONAL FOCUS FOR STORMS INTO
THE AFTERNOON. THINK MOST OF THIS ACTIVITY WILL BE ACROSS
NORTHERN ARKANSAS...BUT THINK AREAS SOUTH OF HIGHWAY 60 MAY ALSO
SEE SOME ACTIVITY. THINK ENOUGH INSTABILITY AND SHEAR WILL BE
PRESENT FOR A MARGINAL SEVERE RISK ACROSS FAR SOUTHERN MISSOURI.
TEMPERATURES SHOULD BE VERY SIMILAR TO THOSE OF MONDAY.

TONIGHT AND WEDNESDAY...WEAK SURFACE HIGH PRESSURE WILL BUILD BACK
INTO THE REGION. THIS PERIOD ACTUALLY LOOKS DRY WITH NO REAL SHORT
WAVE ENERGY OF NOTE. TONIGHT SHOULD BE COOLER WITH A SLIGHTLY
DRIER AIRMASS OVER THE AREA. TEMPERATURES ON WEDNESDAY SHOULD
AGAIN RANGE FROM THE MIDDLE 80S OVER CENTRAL MISSOURI TO THE LOWER
90S ALONG THE HIGHWAY 71 CORRIDOR.

WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...THE SYNOPTIC SCALE PATTERN
WILL FAVOR MCS DEVELOPMENT ACROSS THE CENTRAL HIGH PLAINS. WITH
THAT THETA E GRADIENT REMAINING POSITIONED ACROSS THE AREA...THESE
COMPLEXES OF STORMS WILL LIKELY TRACK SOUTHEAST INTO THE MISSOURI
OZARKS. THE FIRST SUCH COMPLEX IS EXPECTED LATE WEDNESDAY NIGHT
AND THURSDAY. WITH THAT LOW LEVEL GRADIENT/CONVERGENCE AROUND...WE
MAY ALSO SEE ADDITIONAL THUNDERSTORM DEVELOPMENT. TEMPERATURES
WILL BE TRICKY GIVEN THE EXPECTED STORMS AND WHAT WILL LIKELY BE
PLENTY OF CLOUD DEBRIS.

THIS WEEKEND INTO EARLY NEXT WEEK...THE UPPER LEVEL FLOW WILL TEND
TO FLATTEN SOME. IN THE LOWER LEVELS...A BAROCLINIC ZONE WILL
ESTABLISH ITSELF SOMEWHERE ACROSS THE REGION. IT IS DIFFICULT TO
TELL WHERE IT WILL SET UP THAT FAR OUT...BUT IT WILL LIKELY BE
OVER OR IN CLOSE PROXIMITY TO THE MISSOURI OZARKS. IN
ADDITION...BETTER GULF MOISTURE WILL BEGIN TO RETURN NORTH
STARTING THIS WEEKEND. THIS SPELLS AN UNSETTLED PERIOD WITH
CONTINUED CHANCES FOR SHOWERS AND THUNDERSTORMS. OVERNIGHT LOWS
SHOULD WARM GIVEN INCREASING LOW LEVEL MOISTURE...WITH HIGH
TEMPERATURES HIGHLY DEPENDENT ON CONVECTION.

SCHAUMANN

&&

.AVIATION...

FOR THE 06Z TAFS...STILL HAVE A BAND OF MID LEVEL CLOUDS FROM NEAR
NEVADA TO BRANSON ON SATELLITE. NEW 4KM WRF BREAKS OUT CONVECTION
AFTER 10Z OVER THE SOUTHWEST CORNER OF MISSOURI INTO SOUTHEAST
KANSAS. WILL GO WITH CB AND VCTS WORDING AT JLN FROM 10 TO 14Z ON
THE 06Z TAFS AND VFR CEILINGS.

LINDENBERG

&&

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

Hazardous weather outlook, Jun 30, 2:24 AM CDT, 1 hour 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
224 AM CDT TUE JUN 30 2009

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-010730-
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-
224 AM CDT TUE JUN 30 2009

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

.DAY ONE...TONIGHT.

  WEATHER HAZARDS EXPECTED:

  NICKEL SIZED HAIL
  DOWNBURST WINDS TO 50 MPH
  FREQUENT CLOUD TO GROUND LIGHTNING

  AREAS AFFECTED AND TIMING:

 COMMUNITIES WEST OF A LINE FROM BRANSON TO BUFFALO TO WARSAW
 THROUGH SUNRISE.

  DISCUSSION:

 SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG A CONVERGENCE LINE
 THAT EXTENDS ROUGHLY FROM NEVADA...SOUTHEASTWARD TO BRANSON THIS
 MORNING. THUNDERSTORMS SHOULD BEGIN TO DISSIPATE SHORTLY AFTER
 SUNRISE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS WILL BE POSSIBLE LATE WEDNESDAY NIGHT AND INTO THE
HOLIDAY WEEKEND. THE TIMING AND INTENSITY OF THE STORMS ARE
UNCERTAIN AT THIS TIME...AND WILL BE REFINED WITH LATER
FORECASTS.

.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)

CLAYCOMB

In the hours before

Special weather statement, Jun 30, 2:10 AM CDT, 1 hour 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
210 AM CDT TUE JUN 30 2009

MOZ089-090-094-300745-
LAWRENCE MO-GREENE MO-DADE MO-
210 AM CDT TUE JUN 30 2009

...SIGNIFICANT WEATHER ALERT FOR NORTHEASTERN LAWRENCE...SOUTHEASTERN
DADE AND SOUTHWESTERN GREENE COUNTIES UNTIL 245 AM CDT...

AT 208 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR EVERTON...OR 10 MILES SOUTHEAST OF
GREENFIELD...MOVING SOUTHEAST AT 30 MPH. NICKEL SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  8 MILES SOUTHWEST OF BOIS DARC BY 225 AM CDT.
  HALLTOWN BY 230 AM CDT.
  CHESAPEAKE BY 235 AM CDT.
  REPUBLIC BY 245 AM CDT.

INTERSTATE 44 BETWEEN MILE MARKERS 50 AND 73 WILL ALSO BE IMPACTED BY
THIS STORM.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

CLAYCOMB

Local storm report, Jun 30, 2:15 AM CDT, 1 hour 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
215 AM CDT TUE JUN 30 2009

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

0210 AM     TSTM WND GST     NIXA                    37.04N 93.29W
06/30/2009  E50 MPH          CHRISTIAN          MO   BROADCAST MEDIA

            WIND GUSTS OF 40 TO 50 MPH.

&&

JSS

Special weather statement, Jun 30, 2:34 AM CDT, 1 hour 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
234 AM CDT TUE JUN 30 2009

MOZ090-094-095-300800-
LAWRENCE MO-GREENE MO-CHRISTIAN MO-
234 AM CDT TUE JUN 30 2009

...SIGNIFICANT WEATHER ALERT FOR NORTHEASTERN LAWRENCE...NORTHWESTERN
CHRISTIAN AND SOUTHWESTERN GREENE COUNTIES UNTIL 300 AM CDT...

AT 233 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR HALLTOWN...OR 8 MILES NORTHWEST OF
REPUBLIC...MOVING SOUTHEAST AT 25 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  REPUBLIC AND BILLINGS BY 250 AM CDT.
  CLEVER AND 7 MILES SOUTHWEST OF BATTLEFIELD BY 300 AM CDT.

INTERSTATE 44 BETWEEN MILE MARKERS 52 AND 69 WILL ALSO BE IMPACTED BY
THIS STORM.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

CLAYCOMB

Special weather statement, Jun 30, 3:24 AM CDT, 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
324 AM CDT TUE JUN 30 2009

MOZ095-103-104-300900-
STONE MO-CHRISTIAN MO-TANEY MO-
324 AM CDT TUE JUN 30 2009

...SIGNIFICANT WEATHER ALERT FOR NORTHEASTERN STONE...NORTHWESTERN
TANEY AND SOUTH CENTRAL CHRISTIAN COUNTIES UNTIL 400 AM CDT...

AT 322 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR PONCE DE LEON...OR 5 MILES SOUTHWEST OF
HIGHLANDVILLE...MOVING SOUTHEAST AT 25 MPH. PENNY SIZE HAIL...AND
WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  CHESTNUTRIDGE AND 8 MILES NORTHEAST OF REEDS SPRING BY 335 AM CDT.
  WALNUT SHADE BY 355 AM CDT.
  MERRIAM WOODS AND ROCKAWAY BEACH BY 400 AM CDT.

OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ALERT INCLUDE TABLE ROCK
LAKE.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

CLAYCOMB

Local storm report, Jun 30, 3:30 AM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
330 AM CDT TUE JUN 30 2009

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

0330 AM     HAIL             HIGHLANDVILLE           36.93N 93.28W
06/30/2009  E0.25 INCH       CHRISTIAN          MO   PUBLIC

&&

GCLAYCOM

Special weather statement, Jun 30, 3:50 AM CDT, 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
350 AM CDT TUE JUN 30 2009

MOZ104-300915-
TANEY MO-
350 AM CDT TUE JUN 30 2009

...SIGNIFICANT WEATHER ALERT FOR WESTERN TANEY COUNTY UNTIL 415 AM
CDT...

AT 347 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES NORTHWEST OF WALNUT SHADE...OR 9 MILES
NORTH OF BRANSON...MOVING SOUTHEAST AT 25 MPH. PENNY SIZE HAIL...AND
WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  WALNUT SHADE BY 400 AM CDT.
  ROCKAWAY BEACH AND MERRIAM WOODS BY 405 AM CDT.
  BRANSON AND HOLLISTER BY 410 AM CDT.
  OZARK BEACH...EDGEWATER BEACH...POWERSITE AND FORSYTH BY 415 AM
  CDT.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

CLAYCOMB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 5:10 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	26 min
Jun 30, 5:23 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	36 min
Jun 30, 5:35 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade	19 min
Jun 30, 6:23 AM CDT	Flash Flood Warning	SGF	Jasper, Lawrence	4 hr
Jun 30, 6:35 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Stone	44 min
Jun 30, 7:02 AM CDT	Severe Thunderstorm Warning	SGF	Taney	58 min
Jun 30, 7:07 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene, Lawrence, Stone	34 min
Jun 30, 2:00 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	35 min
Jun 30, 3:55 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2009 Every severe thunderstorm warning in 2009

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.