Alert archive / Illinois / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 221, NWS Paducah, KY

July 5, 2004Wayne County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jul 5, 2004, 10:40 PM CDT for Wayne County, Illinois. It was in force for 50 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 5, 2004, 10:40 PM CDT (03:40 UTC)
Expired
Jul 5, 2004, 11:30 PM CDT
In force
50 min
Issued by
NWS Paducah, KY
Area
Counties, with a storm outline in the text

County Wayne County, IL

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 5, 9:10 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.7 hours before the alert went out and 192 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, Lincoln, IL at 00:00Z on 2004-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 193 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, Lincoln, IL at 00:00Z on 2004-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
193 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 3:05 PM CDT, 7 hours 35 minutes earlier.

Area forecast discussion, Jul 5, 3:05 PM CDT, 7 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
305 PM CDT MON JUL 5 2004

.SHORT TERM...

MCS HAS CLEARED THE CWFA...AND HAS ESSENTIALLY WORKED OVER THE
ATMOSPHERE ACROSS MUCH OF THE REGION. THE EXCEPTION...PERHAPS IS
ACROSS SOUTHEAST MO. THERE ARE A COUPLE OF BOUNDARIES EVIDENT ON
BOTH SATELLITE AND RADAR OVER SOUTHEAST MO...WITH CU FIELD SOUTH OF
THE BOUNDARIES AND ASSOCIATED AREA OF CONVERGENCE. IT IS IN THIS
AREA THAT WE WILL MAINTAIN A LOW CHANCE POP FOR CONVECTION EARLY
THIS EVENING. THEN OVERNIGHT...AS A FAIRLY POTENT UPPER LEVEL
CIRCULATION SHIFTS EAST FROM EASTERN NEB TO EASTERN IOWA...CHANCE
POPS WILL BE CONFINED TO THE NORTHERN PART OF OUR AREA...MAINLY SRN
IL / SW IN. IT IS THERE WHERE BOTH THE ETA AND GFS SHOW SLIGHTLY
BETTER MOISTURE OVERNIGHT. WILL SHIFT THE POPS NORTH TONIGHT IN THE
GRIDS AS A RESULT.

WEATHER LOOKS UNSETTLED AGAIN TUESDAY. IT REALLY DEPENDS ON WHICH
MODEL YOU BELIEVE. ETA IS A LITTLE MORE AGGRESSIVE AND EARLIER WITH
CONVECTIVE INITIATION THAN THE GFS. WILL INCREASE POPS FROM WEST TO
EAST ON TUESDAY...AND CONTINUE WITH THAT CHANCE...UNTIL THE FRONT
COMES THROUGH ON WEDNESDAY. MODEL CONSISTENCY LACKING FOR SURE WITH
WEDNESDAY SYSTEM. YESTERDAY...GFS REALLY SPED UP FRONTAL MOVEMENT
AND DEPARTURE OF PRECIP TUESDAY NIGHT. LATEST RUN HAS SLOWED BACK
DOWN...LINGERING PRECIP CHANCES INTO EARLY WEDNESDAY. MEANWHILE
PREVIOUSLY SLOWER ETA IS NOW THE QUICKER MODEL. SO WE FEEL OUR BEST
BET IS TO STAY THE COURSE...AND GO WITH POPS TUESDAY NIGHT INTO
WEDNESDAY MORNING...THEN END PRECIPITATION FROM NORTHWEST TO
SOUTHEAST BY MIDDAY WEDNESDAY. AS FAR AS TEMPERATURES...ETA 2M TEMPS
SEEM A LITTLE HIGH. WE SIDED MORE WITH THE FWC/MAV NUMBERS FROM THE
NUMERICAL OUTPUT IN THE SHORT TERM.

&&

.LONG TERM...

FOR THE DAY 4 THROUGH 7 PERIOD OF FRIDAY THROUGH MONDAY...THE LONG
RANGE MODELS BUILD HEIGHTS OVER THE SE QUADRANT OF THE CONUS. THE
UPPER LEVEL RIDGING SHOULD TAKE CONTROL OF OUR WEATHER. DESPITE THE
BUILDING OF THE UPPER RIDGE...MODELS NEVER REALLY CAP THE
ATMOSPHERE. AND...THEY KEEP A MODEST LEVEL OF MEAN RH ACROSS THE
FA...ESPECIALLY CENTRAL AND WEST SECTIONS. SO WILL CONTINUE
WITH LOW CHANCE POPS FOR CONVECTION. GFS TRIES TO DRIVE A FRONT
THROUGH DAY 7 (MONDAY). AM A LITTLE SUSPICIOUS OF THIS. THE MODEL
CONTINUES WITH FAIRLY HIGH HEIGHTS OVER THE SOUTHERN CONUS DAY 7.
WILL HEDGE AWAY FROM THE GFS NOTION OF PUSHING THE FRONT THROUGH SO
AGGRESSIVELY MONDAY. IN TERMS OF TEMPS...FOLLOWED HPC AND MEX
GUIDANCE CLOSELY. THEY LINE UP WELL WITH OUR GOING FORECAST.
BASICALLY TYPICAL VALUES FOR MID JULY. VERY WARM AND MUGGY
CONDITIONS THROUGHOUT THE PERIOD.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
MO...NONE.
IL...NONE.
IN...NONE.

&&

CN
Hazardous weather outlook, Jul 5, 3:49 AM CDT, 18 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
349 AM CDT MON JUL 5 2004

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100-
107>112-114-061000-
ALEXANDER IL-BALLARD KY-BOLLINGER MO-BUTLER MO-CALDWELL KY-
CALLOWAY KY-CAPE GIRARDEAU MO-CARLISLE KY-CARTER MO-CHRISTIAN KY-
CRITTENDEN KY-DAVIESS KY-EDWARDS IL-FRANKLIN IL-FULTON KY-
GALLATIN IL-GIBSON IN-GRAVES KY-HAMILTON IL-HARDIN IL-HENDERSON KY-
HICKMAN KY-HOPKINS KY-JACKSON IL-JEFFERSON IL-JOHNSON IL-
LIVINGSTON KY-LYON KY-MARSHALL KY-MASSAC IL-MCCRACKEN KY-MCLEAN KY-
MISSISSIPPI MO-MUHLENBERG KY-NEW MADRID MO-PERRY MO-PERRY IL-PIKE IN-
POPE IL-POSEY IN-PULASKI IL-RIPLEY MO-SALINE IL-SCOTT MO-SPENCER IN-
STODDARD MO-TODD KY-TRIGG KY-UNION KY-UNION IL-VANDERBURGH IN-
WABASH IL-WARRICK IN-WAYNE MO-WAYNE IL-WEBSTER KY-WHITE IL-
WILLIAMSON IL-
INCLUDING THE CITIES OF...SIKESTON...POPLAR BLUFF...PERRYVILLE...
CAPE GIRARDEAU...PADUCAH...OWENSBORO...MURRAY...MAYFIELD...
MADISONVILLE...HOPKINSVILLE...HENDERSON...EVANSVILLE...HERRIN...
HARRISBURG...CARMI...CARBONDALE AND CAIRO
349 AM CDT MON JUL 5 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MISSOURI...SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...AND WESTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS THE QUAD
STATE TODAY AND TONIGHT. THE PRIMARY WEATHER THREATS FROM SEVERE
STORMS...IF THEY OCCUR...WILL BE DAMAGING WINDS AND HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS TUESDAY AND
WEDNESDAY. THE PRIMARY THREATS FROM SEVERE STORMS...IF THEY
OCCUR...WILL BE DAMAGING WINDS AND HEAVY RAIN.

THERE WILL ALSO BE A CHANCE OF THUNDERSTORMS SATURDAY AND SUNDAY.
WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME FOR
SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MAINTAIN ALERT STATUS IN CASE THEIR ACTIVATION IS
REQUESTED EARLY THIS WEEK.

In the hours before

Local storm report, Jul 5, 8:23 PM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE PADUCAH KY
823 PM CDT MON JUL 05 2004

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

1020 AM     TSTM WND DMG     DU QUOIN                38.00N 89.24W
07/05/2004                   PERRY              IL   EMERGENCY MNGR

            TREE DOWN ACROSS SOUTH PEACH STREET.

1113 AM     TSTM WND DMG     2 ESE PITTSBURG         37.77N 88.82W
07/05/2004                   WILLIAMSON         IL   LAW ENFORCEMENT

            TREE ACROSS SIMON ROAD IN THE COMMUNITY OF PAULTON.
            REPORT FROM WILLIAMSON COUNTY SHERIFF OFFICE.

1120 AM     HEAVY RAIN       5 N WHITEASH            37.86N 88.93W
07/05/2004  2.00 INCH        WILLIAMSON         IL   TRAINED SPOTTER

            TWO INCH RAINFALL LESS THAN 45 MINUTES NEAR THE COMMUNITY
            OF JOHNSON CITY.

1120 AM     TSTM WND DMG     5 NW MCLEANSBORO        38.14N 88.60W
07/05/2004                   HAMILTON           IL   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN IN COMMUNITY OF DELAFIELD
            ALONG ROUTE 142.

1150 AM     TSTM WND DMG     CARMI                   38.09N 88.17W
07/05/2004                   WHITE              IL   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES DOWN THROUGHOUT COMMUNITY.

1210 PM     TSTM WND DMG     WADESVILLE              38.10N 87.79W
07/05/2004                   POSEY              IN   TRAINED SPOTTER

            UTILITY POLES SNAPPED. MINOR STRUCTURE DAMAGE TO SEVERAL
            HOMES IN MORRIS TOWNSHIP.

1210 PM     TSTM WND DMG     6 N MOUNT VERNON        38.02N 87.90W
07/05/2004                   POSEY              IN   PUBLIC

            LARGE TREE LIMB DOWN BLOCKING SMITH SCHOOL ROAD.

1219 PM     TSTM WND GST     WADESVILLE              38.10N 87.79W
07/05/2004  58 MPH           POSEY              IN   TRAINED SPOTTER

1223 PM     TSTM WND DMG     POSEYVILLE              38.17N 87.78W
07/05/2004                   POSEY              IN   TRAINED SPOTTER

            TREES AND POWER LINES DOWN. VERY HEAVY RAIN ASSOCIATED
            WITH STORM.

1231 PM     TSTM WND DMG     3 SW HENDERSON          37.81N 87.62W
07/05/2004                   HENDERSON          KY   NEWSPAPER

            TREE DOWN ON HOUSE ON OLD CORYDON ROAD. CONSIDERABLE

            DAMAGE TO HOUSE. REPORT FROM HENDERSON GLEANER NEWSPAPER.

1235 PM     TSTM WND DMG     EVANSVILLE              37.98N 87.54W
07/05/2004                   VANDERBURGH        IN   TRAINED SPOTTER

            TREES DOWN ON WEST SIDE OF TOWN NEAR UNIVERSITY. WIND
            SPEED ESTIMATED 60 TO 70 MPH DOWNTOWN ALONG RIVER.

1235 PM     TSTM WND DMG     HENDERSON               37.84N 87.58W
07/05/2004                   HENDERSON          KY   LAW ENFORCEMENT

            TREES DOWN COUNTYWIDE. TREES ON ROAD ON HWY. 41 SOUTH OF
            HWY. 425. TREES DOWN ON WATER ST. BETWEEN 3RD AND 5T ST.
            REPORT FROM HENDERSON COUNTY CENTRAL DISPATCH.

1240 PM     TSTM WND DMG     EVANSVILLE              37.98N 87.54W
07/05/2004                   VANDERBURGH        IN   TRAINED SPOTTER

            NUMEROUS TREES DOWN AT UNIVERSITY OF EVANSVILLE AND
            MEMORIAL HIGH SCHOOL.

1240 PM     TSTM WND DMG     EVANSVILLE              37.98N 87.54W
07/05/2004                   VANDERBURGH        IN   TRAINED SPOTTER

            NUMBEROUS TREES DOWN ON CAMPUS OF UNIVERSITY OF
            EVANSVILLE AND MEMORIAL HIGH SCHOOL.

1240 PM     TSTM WND GST     EVANSVILLE              38.65N 90.10W
07/05/2004  60 MPH           ST. CLAIR          IL   TRAINED SPOTTER

            WIND GUST 55 TO 60 MPH.

1255 PM     TSTM WND DMG     NEWBURGH                37.95N 87.40W
07/05/2004                   WARRICK            IN   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN IN THE CITY OF NEWBURGH.
            REPORT FROM WARRICK COUNTY SHERIFF.

0100 PM     TSTM WND GST     OWENSBORO               37.76N 87.12W
07/05/2004  60 MPH           DAVIESS            KY   TRAINED SPOTTER

            WIND GUST ON WEST SIDE OF TOWN.

0105 PM     TSTM WND DMG     OWENSBORO               37.76N 87.12W
07/05/2004                   DAVIESS            KY   EMERGENCY MNGR

            WIDESPREAD DAMAGE REPORTED THROUGHOUT COUNTY BY SHERIFF.
            40 SEPERATE OCCURANCES OF TREES DOWN ON HOMES, POWER
            LINES AND ACROSS ROADS REPORTED BY EMERGENCY MANAGER. FEW
            FIRES REPORTED DUE TO LIGHTNING.

0105 PM     HAIL             6 W OWENSBORO           37.76N 87.23W
07/05/2004  0.88 INCH        DAVIESS            KY   TRAINED SPOTTER

            NICKLE SIZE HAIL REPORTED NEAR COMMUNITY OF STANLEY.

0115 PM     TSTM WND DMG     OWENSBORO               37.76N 87.12W
07/05/2004                   DAVIESS            KY   PUBLIC

            SHINGLES TORN OFF OF HOME NEAR INTERSECTION OF TARAMAC
            AND IMPERIAL.

0120 PM     TSTM WND DMG     HOPKINSVILLE            36.85N 87.49W
07/05/2004                   CHRISTIAN          KY   EMERGENCY MNGR

            NUMEROUS TREES DOWN THROUGHOUT COMMUNITY.

0120 PM     HAIL             HOPKINSVILLE            36.85N 87.49W
07/05/2004  0.75 INCH        CHRISTIAN          KY   EMERGENCY MNGR

0135 PM     TSTM WND DMG     CADIZ                   36.87N 87.82W
07/05/2004                   TRIGG              KY   LAW ENFORCEMENT

            SEVERAL TREES DOWN ON WILLOW LANE AND OLD DOVER ROAD.
            REPORT FROM TRIGG COUNTY DISPATCH.

0140 PM     FLASH FLOOD      OWENSBORO               37.76N 87.12W
07/05/2004                   DAVIESS            KY   TRAINED SPOTTER

            MANY CREEKS OUT OF BANKS WITH NUMEROUS STREES FLOODED
            THROUGHOUT THE COMMUNITY.

0145 PM     FUNNEL CLOUD     HOPKINSVILLE            36.85N 87.49W
07/05/2004                   CHRISTIAN          KY   LAW ENFORCEMENT

            FUNNEL REPORTED 1 MILE SOUTH OF BYPASS.

0200 PM     FLASH FLOOD      HOPKINSVILLE            36.85N 87.49W
07/05/2004                   CHRISTIAN          KY   EMERGENCY MNGR

            4 TO 6 INCHES OF WATER RUNNING ACROSS HIGHWAY 800.

0415 PM     HAIL             MURRAY                  36.61N 88.32W
07/05/2004  0.75 INCH        CALLOWAY           KY   EMERGENCY MNGR

            REPORTED ON SOUTHWEST SIDE OF TOWN.

&&

SMITH
Special weather statement, Jul 5, 9:38 PM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
938 PM CDT MON JUL 5 2004

ILZ075-060315-
JEFFERSON IL-
938 PM CDT MON JUL 5 2004

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1 AM CDT...
...THUNDERSTORMS WITH STRONG WINDS POSSIBLE ACROSS NORTHERN
JEFFERSON COUNTY ILLINOIS THROUGH 1015 PM...

AT CLUSTER OF THUNDERSTORMS...CAPABLE OF PRODUCING WIND GUSTS
BETWEEN 40 AND 50 MPH...WILL MOVE ACROSS PARTS OF NORTHERN JEFFERSON
COUNTY BETWEEN 945 PM AND 1015 PM.

THE STRONGEST WINDS WILL REMAIN ALONG AND NORTH OF INTERSTATE 64...
AS THE STORMS MOVE EAST...SOUTHEAST AT 40 MPH. THE LEADING EDGE OF
THE STRONG WINDS SHOULD MOVE NEAR INTERSTATE 57...NEAR THE
JEFFERSON...MARION COUNTY LINE BY 945 PM.

PERSONS LIVING IN THE COMMUNITIES OF CRAVAT...DIX..TEXICO...
IDLEWOOD...HARMONY AND BLUFORD CAN EXPECT GUSTY WINDS WITH THESE
STORMS.

IF YOU ARE OUTDOORS...MOVE INDOORS TO A STURDY SHELTER. LOOSE
OBJECTS LEFT OUTDOORS MAY BE TOSSED AROUND AND SMALL LIMBS AND
WEAKENED TREES MAY FALL.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION AND RADIO
FOR FURTHER WEATHER UPDATES AND POSSIBLE WARNINGS.

SMITH
Local storm report, Jul 5, 10:29 PM CDT, 11 minutes before
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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 9:59 PM CDTSevere Thunderstorm WarningPAHWayne46 min
Jul 5, 10:11 PM CDTSevere Thunderstorm WarningPAHJefferson49 min
Jul 6, 12:52 PM CDTSevere Thunderstorm WarningPAHPope38 min
Jul 6, 1:15 PM CDTSevere Thunderstorm WarningPAHJohnson45 min
Jul 6, 1:34 PM CDTSevere Thunderstorm WarningPAHPerry41 min
Jul 6, 1:48 PM CDTFlash Flood WarningPAHJohnson117 min
Jul 6, 2:14 PM CDTSevere Thunderstorm WarningPAHPerry46 min
Jul 6, 2:29 PM CDTSevere Thunderstorm WarningPAHHamilton46 min
Jul 6, 2:31 PM CDTSevere Thunderstorm WarningPAHJackson59 min
Jul 6, 2:32 PM CDTSevere Thunderstorm WarningPAHWilliamson58 min
Jul 6, 2:35 PM CDTSevere Thunderstorm WarningPAHWayne40 min
Jul 6, 3:00 PM CDTSevere Thunderstorm WarningPAHUnion30 min
Jul 6, 3:13 PM CDTSevere Thunderstorm WarningPAHEdwards, Wayne47 min
Jul 6, 3:43 PM CDTSevere Thunderstorm WarningPAHHamilton, White47 min
Jul 6, 3:45 PM CDTSevere Thunderstorm WarningPAHWabash30 min
Jul 6, 3:53 PM CDTSevere Thunderstorm WarningPAHPope, Union37 min
Jul 6, 4:08 PM CDTSevere Thunderstorm WarningPAHJohnson37 min
Jul 6, 4:59 PM CDTSevere Thunderstorm WarningPAHPulaski46 min
Jul 6, 11:57 AM CDTSevere Thunderstorm WarningPAHLivingston, Lyon, Marshall48 min
Jul 6, 12:39 PM CDTSevere Thunderstorm WarningPAHCaldwell, Crittenden51 min
Jul 6, 12:54 PM CDTSevere Thunderstorm WarningPAHGraves51 min
Jul 6, 1:28 PM CDTSevere Thunderstorm WarningPAHCaldwell, Christian, Hopkins47 min
Jul 6, 2:34 PM CDTSevere Thunderstorm WarningPAHMuhlenberg41 min
Jul 6, 2:38 PM CDTSevere Thunderstorm WarningPAHTrigg37 min
Jul 6, 4:04 PM CDTSevere Thunderstorm WarningPAHTodd26 min
Jul 6, 5:32 PM CDTSevere Thunderstorm WarningPAHCrittenden, Webster43 min
Jul 6, 1:50 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau55 min
Jul 6, 2:08 PM CDTSevere Thunderstorm WarningPAHPerry37 min
Jul 6, 2:43 PM CDTSevere Thunderstorm WarningPAHCarter32 min
Jul 6, 2:48 PM CDTSevere Thunderstorm WarningPAHWayne27 min
Jul 6, 3:12 PM CDTSevere Thunderstorm WarningPAHWayne48 min
Jul 6, 5:20 PM CDTSevere Thunderstorm WarningPAHRipley40 min
Jul 6, 5:31 PM CDTSevere Thunderstorm WarningPAHButler44 min
Jul 6, 5:34 PM CDTFlash Flood WarningPAHButler, Ripley3 hr
Jul 6, 6:08 PM CDTSevere Thunderstorm WarningPAHStoddard52 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2004Every severe thunderstorm warning in 2004

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.