Alert archive / Mississippi / Tornado Warnings in 2014

Tornado Warning 84, NWS Jackson, MS

December 23, 20145 counties in Mississippi

NWS Jackson, MS issued this tornado warning at Dec 23, 2014, 2:33 PM CST for 5 counties in Mississippi. It was in force for 57 min. 8 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: Dec 23, 2014, 2:33 PM CST (20:33 UTC)
Expired: Dec 23, 2014, 3:30 PM CST
In force: 57 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

Counties Covington County, MS, Forrest County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 97 km from the middle of the area, began a volume at 20:36 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

Time	Report	Where	Remark
Dec 23, 2:35 PM CST	TORNADO	5 Ene Improve, MS	TORNADO STILL ON THE GROUND IN LAMAR COUNTY HEADING TOWARDS SUMRALL. DEBRIS WAS FALLING OUT OF THE SKY.
Dec 23, 2:39 PM CST	TORNADO	3 Ene Improve, MS	HIGHWAY PATROL REPORTS TORNADO ON MARION LAMAR COUNTY LINE
Dec 23, 2:45 PM CST	TORNADO 0	Sumrall, MS	THE TIN ROOFING WAS TORN OFF A DAYCARE CENTER AND SEVERAL LARGE LIMBS WERE KNOCKED DOWN FROM THIS BRIEF TORNADO TOUCHDOWN. PATH LENGTH 100 YARDS AND PATH WIDTH 50 YARDS.
Dec 23, 2:45 PM CST	TORNADO	1 W Sumrall, MS	REPORT OF MULTI-VORTEX TORNADO WEST OF SUMRALL ON HIGHWAY 589 AND HIGHWAY 42.
Dec 23, 2:45 PM CST	TORNADO	Sumrall, MS	MULTIPLE POWER LINES DOWN ON HIGWHAY 42 IN SUMRALL. ROOF DAMAGE TO DAYCARE.
Dec 23, 2:46 PM CST	TORNADO 0	1 Ne Sumrall, MS	THIS TORNADO BRIEFLY TOUCHED DOWN IN A SUBDIVISION NORTHEAST OF SUMRALL. TWELVE HOMES RECEIVED MINOR ROOF DAMAGE...SEVERAL FENCES WERE DAMAGED AND TWO TREES WERE DOWNED. MAX WINDS WERE 75 MPH AND MAX WIDTH WAS 50 YARDS.
Dec 23, 3:05 PM CST	TSTM WND DMG	5 W Ellisville, MS	REPORT OF TREES SNAPPED AND UPROOTED. POSSIBLE TORNADO.
Dec 23, 3:22 PM CST	TORNADO 2	5 W Laurel, MS	* 2 FATAL * TORNADO RATED EF-2 WITH ESTIMATED MAX WINDS OF 125 MPH HAD A PATH LENGTH OF 5 MILES AND WIDTH OF 350 YDS AND TRACKED FROM 5 MILES WEST OF LAUREL TO 4 MILES NORTH OF LAUREL...IT CAUSED EXTENSIVE TREE AND POWER LINE DAMAGE AND SOME MAJOR STRUCTUR

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.

Issued	Product	Office	Lasted
Dec 23, 9:30 AM CST	Tornado Watch	SPC	11 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.6 hours before the alert went out and 106 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: 266 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

993 
WFUS54 KJAN 232033
TORJAN
MSC031-035-065-067-073-232130-
/O.NEW.KJAN.TO.W.0084.141223T2033Z-141223T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
233 PM CST TUE DEC 23 2014

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHWESTERN FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHEASTERN JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  WESTERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHWESTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 330 PM CST

* AT 233 PM CST...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
  WAS LOCATED NEAR IMPROVE...AND MOVING NORTHEAST AT 50 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...
  SUMRALL AND MELBA AROUND 245 PM CST.
  SANFORD AROUND 255 PM CST.
  MOSELLE AROUND 305 PM CST.

OTHER LOCATIONS IN THE WARNING INCLUDE SEMINARY.

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 3125 8966 3148 8965 3181 8931 3180 8926
      3178 8920 3143 8924
TIME...MOT...LOC 2033Z 229DEG 42KT 3132 8969

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

CME

5 follow-up statements

108 
WWUS54 KJAN 232042
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
242 PM CST TUE DEC 23 2014

MSC065-232052-
/O.CAN.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
JEFFERSON DAVIS MS-
242 PM CST TUE DEC 23 2014

...THE TORNADO WARNING FOR SOUTHEASTERN JEFFERSON DAVIS COUNTY IS
CANCELLED...

THE THREAT HAS ENDED FOR THE WARNED AREA.

LAT...LON 3143 8964 3144 8959 3150 8959 3176 8933
      3180 8926 3178 8920 3147 8924 3129 8961
TIME...MOT...LOC 2042Z 229DEG 42KT 3139 8958

$$

MSC031-035-067-073-232130-
/O.CON.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
LAMAR MS-JONES MS-FORREST MS-COVINGTON MS-
242 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COVINGTON...
NORTHWESTERN FORREST...WESTERN JONES AND NORTHWESTERN LAMAR COUNTIES
UNTIL 330 PM CST...

AT 242 PM CST...A CONFIRMED TORNADO WAS LOCATED NEAR IMPROVE...AND
MOVING NORTHEAST AT 50 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS TORNADIC STORM WILL BE NEAR...
  SANFORD AROUND 255 PM CST.
  MOSELLE AROUND 305 PM CST.

OTHER LOCATIONS IN THE WARNING INCLUDE SEMINARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3143 8964 3144 8959 3150 8959 3176 8933
      3180 8926 3178 8920 3147 8924 3129 8961
TIME...MOT...LOC 2042Z 229DEG 42KT 3139 8958

TORNADO...OBSERVED
HAIL...1.00IN

$$

DHB

691 
WWUS54 KJAN 232049
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
249 PM CST TUE DEC 23 2014

MSC031-035-067-073-232130-
/O.CON.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
LAMAR MS-JONES MS-FORREST MS-COVINGTON MS-
249 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COVINGTON...
NORTHWESTERN FORREST...WESTERN JONES AND NORTHWESTERN LAMAR COUNTIES
UNTIL 330 PM CST...

AT 249 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SUMRALL...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  SANFORD AROUND 255 PM CST.
  MOSELLE AROUND 305 PM CST.

OTHER LOCATIONS IN THE WARNING INCLUDE SEMINARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3143 8964 3144 8959 3150 8959 3176 8933
      3180 8926 3178 8920 3147 8924 3129 8961
TIME...MOT...LOC 2049Z 229DEG 42KT 3144 8951

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DHB

275 
WWUS54 KJAN 232053
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
253 PM CST TUE DEC 23 2014

MSC035-073-232103-
/O.CAN.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
LAMAR MS-FORREST MS-
253 PM CST TUE DEC 23 2014

...THE TORNADO WARNING FOR NORTHWESTERN FORREST AND NORTHWESTERN
LAMAR COUNTIES IS CANCELLED...

THE THREAT HAS ENDED FOR THE WARNED AREA.

LAT...LON 3150 8959 3176 8933 3180 8926 3178 8920
      3154 8923 3144 8946 3144 8959
TIME...MOT...LOC 2053Z 230DEG 37KT 3147 8949

$$

MSC031-067-232130-
/O.CON.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
JONES MS-COVINGTON MS-
253 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COVINGTON AND
WESTERN JONES COUNTIES UNTIL 330 PM CST...

AT 253 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SUMRALL...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  SANFORD AROUND 300 PM CST.

OTHER LOCATIONS IN THE WARNING INCLUDE SEMINARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3150 8959 3176 8933 3180 8926 3178 8920
      3154 8923 3144 8946 3144 8959
TIME...MOT...LOC 2053Z 230DEG 37KT 3147 8949

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DHB

694 
WWUS54 KJAN 232059
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
259 PM CST TUE DEC 23 2014

MSC031-067-232130-
/O.CON.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
JONES MS-COVINGTON MS-
259 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL COVINGTON AND
WESTERN JONES COUNTIES UNTIL 330 PM CST...

AT 259 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SANFORD...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
COVINGTON AND WESTERN JONES COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3146 8946 3152 8951 3180 8926 3178 8920
      3154 8923
TIME...MOT...LOC 2059Z 230DEG 37KT 3151 8943

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DHB

763 
WWUS54 KJAN 232107
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
307 PM CST TUE DEC 23 2014

MSC031-232117-
/O.CAN.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
COVINGTON MS-
307 PM CST TUE DEC 23 2014

...THE TORNADO WARNING FOR CENTRAL COVINGTON COUNTY IS CANCELLED...

THE THREAT HAS ENDED FOR THE WARNED AREA.

LAT...LON 3150 8940 3162 8940 3178 8920 3157 8923
TIME...MOT...LOC 2107Z 230DEG 37KT 3156 8936

$$

MSC067-232130-
/O.CON.KJAN.TO.W.0084.000000T0000Z-141223T2130Z/
JONES MS-
307 PM CST TUE DEC 23 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL JONES COUNTY
UNTIL 330 PM CST...

AT 307 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTHEAST OF SANFORD...AND MOVING NORTHEAST AT 45
MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF WESTERN JONES COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3150 8940 3162 8940 3178 8920 3157 8923
TIME...MOT...LOC 2107Z 230DEG 37KT 3156 8936

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DHB

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 22, 9:56 PM CST	Special Weather Statement	JAN	Grenada	29 min
Dec 23, 3:53 AM CST	Special Weather Statement	JAN	Covington	47 min
Dec 23, 4:36 AM CST	Special Weather Statement	JAN	Covington	44 min
Dec 23, 5:04 AM CST	Severe Thunderstorm Warning	JAN	Jasper, Jones	56 min
Dec 23, 6:01 AM CST	Special Weather Statement	JAN	Lauderdale	59 min
Dec 23, 6:44 AM CST	Special Weather Statement	JAN	Lauderdale	46 min
Dec 23, 7:11 AM CST	Special Weather Statement	JAN	Franklin	44 min
Dec 23, 7:38 AM CST	Severe Thunderstorm Warning	JAN	Copiah, Jefferson, Lincoln	52 min
Dec 23, 8:38 AM CST	Special Weather Statement	JAN	Madison	47 min
Dec 23, 10:33 AM CST	Special Weather Statement	JAN	Winston	27 min
Dec 23, 10:39 AM CST	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	23 min
Dec 23, 10:46 AM CST	Severe Thunderstorm Warning	JAN	Noxubee, Oktibbeha, Winston	29 min
Dec 23, 10:51 AM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence	39 min
Dec 23, 10:55 AM CST	Special Weather Statement	JAN	Jefferson	30 min
Dec 23, 11:10 AM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	45 min
Dec 23, 11:12 AM CST	Severe Thunderstorm Warning	JAN	Simpson	33 min
Dec 23, 11:25 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Lauderdale, Newton	36 min
Dec 23, 11:57 AM CST	Severe Thunderstorm Warning	JAN	Kemper	35 min
Dec 23, 12:09 PM CST	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	66 min
Dec 23, 12:26 PM CST	Severe Thunderstorm Warning	JAN	Noxubee	29 min
Dec 23, 12:30 PM CST	Tornado Warning	JAN	Lawrence, Lincoln	35 min
Dec 23, 12:31 PM CST	Severe Thunderstorm Warning	JAN	Adams, Franklin	37 min
Dec 23, 12:51 PM CST	Severe Thunderstorm Warning	JAN	Lowndes	39 min
Dec 23, 12:52 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Simpson	38 min
Dec 23, 1:02 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	43 min
Dec 23, 1:26 PM CST	Tornado Warning	JAN	Simpson, Smith	34 min
Dec 23, 1:53 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	49 min
Dec 23, 1:57 PM CST	Tornado Warning	JAN	Marion	43 min
Dec 23, 2:52 PM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper	53 min
Dec 23, 3:00 PM CST	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lamar, Marion	3 hr
Dec 23, 3:20 PM CST	Tornado Warning	JAN	Jasper, Jones	40 min
Dec 23, 3:37 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	38 min
Dec 23, 3:37 PM CST	Severe Thunderstorm Warning	JAN	Jones	28 min
Dec 23, 3:49 PM CST	Tornado Warning	JAN	Clarke	56 min
Dec 23, 3:51 PM CST	Flash Flood Warning	JAN	Jasper, Jones	3 hr
Dec 23, 4:09 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	51 min
Dec 23, 4:25 PM CST	Tornado Warning	JAN	Lauderdale	35 min

Nearby

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