Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 39, NWS Jackson, MS

April 28, 2014Attala County, Neshoba County, Winston County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 28, 2014, 3:58 PM CDT for Attala County, Neshoba County, Winston County, Mississippi. It was in force for 47 min. 14 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 28, 2014, 3:58 PM CDT (20:58 UTC)
Expired
Apr 28, 2014, 4:45 PM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Emergency
Tornado emergency
Tornado
Observed
Hail
1.75 in

Counties Attala County, MS, Neshoba County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 113 km from the middle of the area, began a volume at 21:00 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.

What was reported inside it

TimeReportWhereRemark
Apr 28, 4:02 PM CDTTORNADO4 Se Zama, MSTREES DOWNED AND A SHED BLOWN AWAY IN FAR SE ATTALA COUNTY.
Apr 28, 4:02 PM CDTTORNADO4 Se Zama, MSTREES DOWNED AND A MOBILE HOME WAS DAMAGED.
Apr 28, 4:04 PM CDTTORNADO5 Ese Zama, MSSTORM CHASERS REPORT LARGE MULTI VORTEX TORNADO HAS CROSSED MS HIGHWAY 19 IN SW WINSTON COUNTY
Apr 28, 4:09 PM CDTTORNADO8 E Zama, MSCONSIDERABLE DAMAGE ALONG THE MS HIGHWAY 25 CORRIDOR IN SW WINSTON COUNTY
Apr 28, 4:13 PM CDTTORNADO8 Nw Stallo, MSTORNADO APPROXIMATELY 1/4 MILE WIDE
Apr 28, 4:20 PM CDTTORNADO5 Wnw Noxapater, MSMSU CHASERS REPORT 1/2 MILE WIDE TORNADO. HOME DAMAGE AND LARGE TREE DAMAGE.
Apr 28, 4:30 PM CDTTORNADO4 Ssw Louisville, MSSTORM CHASER REPORTS THE TORNADO IS OVER A MILE WIDE
Apr 28, 4:34 PM CDTTORNADO2 S Louisville, MSMHP STARKVILLE REPORTS HEAVY DAMAGE ON THE SOUTH SIDE OF LOUISVILLE AROUND THE COUNTRY CLUB
Apr 28, 4:35 PM CDTTORNADOLouisville, MSWINSTON COUNTY MEDICAL CENTER HAS 2 WALLS DOWN AND A THIRD WALL DAMAGED. ALSO HAS A GAS LEAK.
Apr 28, 4:36 PM CDTTORNADOLouisville, MS*** 7 FATAL *** SEVERAL SOURCES ARE REPORTING CONSIDERABLE DAMAGE AROUND LOUISVILLE...OFFICIALS REPORT 7 FATALITIES HAVE BEEN CONFIRMED. PEOPLE ARE STILL MISSING AT THIS TIME.
Apr 28, 4:36 PM CDTTORNADOLouisville, MSSEVERAL SOURCES ARE REPORTING CONSIDERABLE DAMAGE AROUND LOUISVILLE
Apr 28, 4:38 PM CDTTORNADOLouisville, MSSEVERAL SOURCES ARE REPORTING CONSIDERABLE DAMAGE AROUND LOUISVILLE
Apr 28, 4:44 PM CDTHAIL 37 W Louisville, MSA SWATH OF LARGE DAMAGING HAIL FELL ACROSS MOST OF WINSTON CO...MAINLY ALONG THE HWY 14 CORRIDOR IN THE WEST HALF AND THEN THROUGH THE BLUFF LAKE RD CORRIDOR. MANY VEHICLES WERE DAMAGED.
Apr 28, 4:55 PM CDTTORNADO3 Sw Louisville, MSSECOND TORNADO REPORTED BY STORM CHASERS ON THE SW SIDE OF LOUISVILLE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 12:39 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 115 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, Jackson, MS at 12:00Z on 2014-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1444 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 2014-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 366 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
1444 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
366 m²/s²
0-3 km storm-relative helicity
543 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

272 
WFUS54 KJAN 282058
TORJAN
MSC007-099-159-282145-
/O.NEW.KJAN.TO.W.0039.140428T2058Z-140428T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
358 PM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL ATTALA COUNTY IN CENTRAL MISSISSIPPI...
  NORTHWESTERN NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI...
  WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 445 PM CDT

* AT 359 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
  WAS LOCATED NEAR ZAMA...AND MOVING NORTHEAST AT 45 MPH.

  THIS IS A PARTICULARLY DANGEROUS SITUATION.

  HAZARD...DAMAGING TORNADO.

  SOURCE...RADAR CONFIRMED TORNADO.

  IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS
           WILL BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE
           HOMES WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
           BUSINESSES AND VEHICLES IS LIKELY AND COMPLETE DESTRUCTION
           POSSIBLE.

* THE TORNADO WILL BE NEAR...
  STALLO AROUND 415 PM CDT.
  CENTER RIDGE AND LOUISVILLE AROUND 425 PM CDT.
  VERNON AROUND 430 PM CDT.
  MILLCREEK AROUND 435 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE NOXAPATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW. MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3283 8932 3293 8932 3293 8934 3311 8936
      3312 8932 3311 8931 3311 8922 3316 8921
      3321 8908 3328 8882 3296 8881
TIME...MOT...LOC 2059Z 247DEG 37KT 3293 8933

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

JC
3 follow-up statements
468 
WWUS54 KJAN 282103
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
403 PM CDT MON APR 28 2014

MSC007-099-159-282145-
/O.CON.KJAN.TO.W.0039.000000T0000Z-140428T2145Z/
ATTALA MS-WINSTON MS-NESHOBA MS-
403 PM CDT MON APR 28 2014

...TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE TORNADO...

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN NESHOBA...
WINSTON AND EAST CENTRAL ATTALA COUNTIES UNTIL 445 PM CDT...

AT 403 PM CDT...A CONFIRMED LARGE...VIOLENT AND EXTREMELY DANGEROUS 
TORNADO WAS LOCATED FOUR MILES SOUTHEAST OF ZAMA...AND MOVING 
NORTHEAST AT 45 MPH.

THIS IS A TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE
TORNADO. TAKE COVER NOW. THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DEADLY TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

THE TORNADO WILL BE NEAR...
  STALLO AROUND 415 PM CDT.
  CENTER RIDGE AND LOUISVILLE AROUND 425 PM CDT.
  VERNON AROUND 430 PM CDT.
  MILLCREEK AROUND 435 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE NOXAPATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND DEADLY TORNADO IS ON
THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3283 8932 3293 8932 3293 8934 3311 8936
      3312 8932 3311 8931 3311 8922 3316 8921
      3321 8908 3328 8882 3296 8881
TIME...MOT...LOC 2103Z 247DEG 37KT 3295 8928

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...1.75IN

$$

JC
709 
WWUS54 KJAN 282113
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
413 PM CDT MON APR 28 2014

MSC007-099-282123-
/O.CAN.KJAN.TO.W.0039.000000T0000Z-140428T2145Z/
ATTALA MS-NESHOBA MS-
413 PM CDT MON APR 28 2014

...THE TORNADO WARNING FOR NORTHWESTERN NESHOBA AND EAST CENTRAL
ATTALA COUNTIES IS CANCELLED...

LAT...LON 3294 8887 3293 8916 3293 8929 3305 8929
      3311 8922 3324 8883 3321 8881 3296 8882
TIME...MOT...LOC 2113Z 247DEG 38KT 3298 8917

$$

MSC159-282145-
/O.CON.KJAN.TO.W.0039.000000T0000Z-140428T2145Z/
WINSTON MS-
413 PM CDT MON APR 28 2014

...TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE TORNADO...

...A TORNADO WARNING REMAINS IN EFFECT FOR WINSTON COUNTY UNTIL 445
PM CDT...

AT 413 PM CDT...A CONFIRMED LARGE...VIOLENT AND EXTREMELY DANGEROUS
TORNADO WAS LOCATED 7 MILES NORTHWEST OF STALLO...AND MOVING
NORTHEAST AT 45 MPH.

THIS IS A TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE
TORNADO. TAKE COVER NOW. THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DEADLY TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

THE TORNADO WILL BE NEAR...
  CENTER RIDGE AND LOUISVILLE AROUND 425 PM CDT.
  VERNON AROUND 430 PM CDT.
  MILLCREEK AROUND 435 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE NOXAPATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS...AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW. MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3294 8887 3293 8916 3293 8929 3305 8929
      3311 8922 3324 8883 3321 8881 3296 8882
TIME...MOT...LOC 2113Z 247DEG 38KT 3298 8917

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...1.75IN

$$

BK
204 
WWUS54 KJAN 282122
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
422 PM CDT MON APR 28 2014

MSC159-282145-
/O.CON.KJAN.TO.W.0039.000000T0000Z-140428T2145Z/
WINSTON MS-
422 PM CDT MON APR 28 2014

...TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE TORNADO...

...A TORNADO WARNING REMAINS IN EFFECT FOR WINSTON COUNTY UNTIL 445
PM CDT...

AT 422 PM CDT...A CONFIRMED LARGE...VIOLENT AND EXTREMELY DANGEROUS
TORNADO WAS LOCATED 6 MILES NORTHWEST OF STALLO...AND MOVING
NORTHEAST AT 35 MPH.

THIS IS A TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE
TORNADO. TAKE COVER NOW. THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DEADLY TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

THE TORNADO WILL BE NEAR...
  CENTER RIDGE AND LOUISVILLE AROUND 430 PM CDT.
  MILLCREEK AROUND 440 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS...AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW. MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3308 8882 3300 8882 3296 8916 3307 8920
      3321 8893 3324 8883 3319 8881 3312 8882
      3308 8881
TIME...MOT...LOC 2122Z 242DEG 32KT 3302 8911

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...1.75IN

$$

BK

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 9:36 PM CDTRiver Flood WarningJANLowndes4 days
Apr 27, 9:39 PM CDTRiver Flood WarningJANClay, Lowndes4 days
Apr 28, 5:38 AM CDTSevere Thunderstorm WarningJANBolivar52 min
Apr 28, 8:23 AM CDTRiver Flood WarningJANAttala, Holmes4 days
Apr 28, 8:23 AM CDTRiver Flood WarningJANMadison, Yazoo3 days
Apr 28, 8:57 AM CDTRiver Flood WarningJANNeshoba6 days
Apr 28, 8:57 AM CDTRiver Flood WarningJANLeake7 days
Apr 28, 8:57 AM CDTRiver Flood WarningJANLeake8 days
Apr 28, 8:57 AM CDTRiver Flood WarningJANLeake5 days
Apr 28, 8:57 AM CDTRiver Flood WarningJANLeake5 days
Apr 28, 11:07 AM CDTSpecial Weather StatementJANWashington28 min
Apr 28, 11:15 AM CDTSevere Thunderstorm WarningJANHumphreys, Sunflower, Washington45 min
Apr 28, 12:15 PM CDTSevere Thunderstorm WarningJANGrenada, Leflore, Sunflower45 min
Apr 28, 12:32 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey43 min
Apr 28, 12:44 PM CDTSevere Thunderstorm WarningJANWarren46 min
Apr 28, 12:54 PM CDTTornado WarningJANIssaquena, Sharkey51 min
Apr 28, 12:58 PM CDTTornado WarningJANCarroll, Grenada32 min
Apr 28, 1:14 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren46 min
Apr 28, 1:26 PM CDTTornado WarningJANHolmes, Humphreys49 min
Apr 28, 1:39 PM CDTTornado WarningJANCarroll, Holmes, Leflore51 min
Apr 28, 1:40 PM CDTTornado WarningJANHumphreys, Issaquena, Sharkey, Yazoo65 min
Apr 28, 1:45 PM CDTTornado WarningJANCarroll, Grenada, Montgomery30 min
Apr 28, 2:04 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes41 min
Apr 28, 2:07 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Yazoo38 min
Apr 28, 2:31 PM CDTTornado WarningJANCarroll, Montgomery, Webster44 min
Apr 28, 2:31 PM CDTTornado Warning Tornado observedJANAttala, Holmes59 min
Apr 28, 2:32 PM CDTTornado WarningJANMadison, Yazoo43 min
Apr 28, 2:48 PM CDTTornado WarningJANAttala, Holmes57 min
Apr 28, 3:13 PM CDTSevere Thunderstorm WarningJANAttala, Leake, Madison62 min
Apr 28, 3:13 PM CDTTornado WarningJANClay, Webster62 min
Apr 28, 3:14 PM CDTTornado WarningJANAttala, Choctaw, Montgomery61 min
Apr 28, 3:21 PM CDTTornado WarningJANAttala, Leake, Madison54 min
Apr 28, 3:59 PM CDTSevere Thunderstorm WarningJANHumphreys, Issaquena, Sharkey, Yazoo61 min
Apr 28, 4:14 PM CDTTornado WarningJANHolmes, Humphreys, Yazoo46 min
Apr 28, 4:15 PM CDTTornado WarningJANChoctaw, Clay, Oktibbeha, Webster45 min
Apr 28, 4:35 PM CDTSevere Thunderstorm WarningJANHinds, Issaquena, Madison, Warren, Yazoo55 min
Apr 28, 4:37 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatJANNoxubee, Oktibbeha, Winston53 min
Apr 28, 4:41 PM CDTTornado WarningJANWinston34 min
Apr 28, 4:45 PM CDTSevere Thunderstorm WarningJANAttala45 min
Apr 28, 4:58 PM CDTTornado WarningJANHinds, Warren47 min
Apr 28, 5:05 PM CDTSevere Thunderstorm WarningJANClaiborne, Warren25 min
Apr 28, 5:13 PM CDTSevere Thunderstorm WarningJANLeake, Madison, Yazoo32 min
Apr 28, 5:17 PM CDTSevere Thunderstorm WarningJANLowndes, Noxubee, Oktibbeha, Winston58 min
Apr 28, 5:28 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Oktibbeha, Winston62 min
Apr 28, 5:28 PM CDTTornado Warning Tornado observedJANHinds, Madison62 min
Apr 28, 5:31 PM CDTTornado WarningJANLowndes, Noxubee, Oktibbeha59 min
Apr 28, 5:32 PM CDTSevere Thunderstorm WarningJANClaiborne, Hinds, Warren43 min
Apr 28, 5:38 PM CDTFlash Flood WarningJANAttala, Choctaw, Holmes, Leake, Madison, Montgomery and 2 more2 hr
Apr 28, 5:47 PM CDTSevere Thunderstorm WarningJANAttala, Leake, Madison58 min
Apr 28, 5:51 PM CDTFlash Flood WarningJANChoctaw, Clay, Lowndes, Oktibbeha, Winston114 min
Apr 28, 5:52 PM CDTTornado Warning Tornado observedJANHinds38 min
Apr 28, 5:57 PM CDTTornado WarningJANAttala, Leake, Neshoba, Winston63 min
Apr 28, 6:03 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson42 min
Apr 28, 6:17 PM CDTTornado WarningJANClaiborne, Copiah58 min
Apr 28, 6:19 PM CDTTornado Warning Tornado observedJANLeake, Madison41 min
Apr 28, 6:21 PM CDTTornado WarningJANLowndes24 min
Apr 28, 6:21 PM CDTTornado WarningJANHinds, Rankin54 min
Apr 28, 6:41 PM CDTTornado WarningJANLowndes64 min
Apr 28, 6:49 PM CDTFlash Flood WarningJANHinds, Rankin3 hr
Apr 28, 6:50 PM CDTTornado Warning Tornado observedJANRankin, Scott55 min

Nearby

Tornado Warnings in Mississippi, 2014Every tornado warning in 2014Tornadoes in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.