Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 54, NWS Jackson, MS

April 30, 2017Claiborne County, Copiah County, Jefferson County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 30, 2017, 7:21 AM CDT for Claiborne County, Copiah County, Jefferson County, Mississippi. It was in force for 39 min. 2 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 30, 2017, 7:21 AM CDT (12:21 UTC)
Expired: Apr 30, 2017, 8:00 AM CDT
In force: 39 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Claiborne County, MS, Copiah County, MS, Jefferson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 93 km from the middle of the area, began a volume at 12:22 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
Apr 30, 7:24 AM CDT	TORNADO	9 E Fayette, MS	THIS TORNADO TOUCHED DOWN JUST SOUTH OF HIGHWAY 28. A FEW TREES WERE DOWNED AND SNAPPED IN THIS AREA. AS IT CONTINUED NORTHEAST THROUGH RURAL AREA, NUMEROUS TREES WERE SNAPPED AND UPROOTED. IT THEN CROSSED MCBRIDE ROAD AND PAP GOZA ROAD, UPROOTING AND SNAPPING
Apr 30, 7:26 AM CDT	TORNADO	9 E Fayette, MS	TREES AND POWER LINES DOWN WITH LOTS OF POWER OUTAGES. TORNADO DEBRIS SIGNATURE OBSERVED ON RADAR.

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
Apr 30, 1:49 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 0.4 hours before the alert went out and 89 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: 647 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 920 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 221 m²/s²
0-3 km storm-relative helicity: 398 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted.

003 
WFUS54 KJAN 301221
TORJAN
MSC021-029-063-301300-
/O.NEW.KJAN.TO.W.0054.170430T1221Z-170430T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
721 AM CDT SUN APR 30 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southeastern Claiborne County in southwestern Mississippi...
  Eastern Jefferson County in southwestern Mississippi...
  Northwestern Copiah County in central Mississippi...

* Until 800 AM CDT
    
* At 721 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Mcnair, or 26 miles east of Natchez, moving
  northeast at 50 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 be near...
  Union Church around 730 AM CDT. 
  Mcbride, Blue Hill and Pleasant Hill around 735 AM CDT. 
  Peyton and Allen around 740 AM CDT. 
  Barlow around 745 AM CDT. 
  Dentville and Carpenter around 800 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3166 9105 3207 9072 3205 9072 3205 9069
      3189 9044 3171 9072 3169 9074 3161 9085
      3161 9097
TIME...MOT...LOC 1221Z 220DEG 42KT 3164 9094 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DL

4 follow-up statements

690 
WWUS54 KJAN 301227
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
727 AM CDT SUN APR 30 2017

MSC021-029-063-301300-
/O.CON.KJAN.TO.W.0054.000000T0000Z-170430T1300Z/
Claiborne MS-Jefferson MS-Copiah MS-
727 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
SOUTHEASTERN CLAIBORNE...EASTERN JEFFERSON AND NORTHWESTERN COPIAH
COUNTIES...
        
At 727 AM CDT, a confirmed tornado was located near Blue Hill, or 27
miles west of Brookhaven, moving northeast at 50 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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 tornado will be near...
  Mcbride and Pleasant Hill around 735 AM CDT. 
  Peyton around 740 AM CDT. 
  Barlow around 745 AM CDT. 
  Dentville and Carpenter around 800 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3174 9097 3207 9072 3205 9072 3205 9069
      3189 9044 3172 9073 3165 9085 3166 9092
TIME...MOT...LOC 1227Z 218DEG 43KT 3171 9088 

TORNADO...OBSERVED
HAIL...<.75IN

$$

DL

197 
WWUS54 KJAN 301237
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
737 AM CDT SUN APR 30 2017

MSC021-029-063-301300-
/O.CON.KJAN.TO.W.0054.000000T0000Z-170430T1300Z/
Claiborne MS-Jefferson MS-Copiah MS-
737 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
SOUTHEASTERN CLAIBORNE...EASTERN JEFFERSON AND NORTHWESTERN COPIAH
COUNTIES...
        
At 737 AM CDT, a confirmed tornado was located over Peyton, or 23
miles west of Hazlehurst, moving northeast at 50 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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 tornado will be near...
  Barlow around 745 AM CDT. 
  Dentville and Carpenter around 800 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3181 9087 3205 9072 3205 9069 3192 9048
      3175 9074 3176 9083
TIME...MOT...LOC 1237Z 220DEG 42KT 3180 9079 

TORNADO...OBSERVED
HAIL...<.75IN

$$

DL

656 
WWUS54 KJAN 301240
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
740 AM CDT SUN APR 30 2017

MSC063-301250-
/O.CAN.KJAN.TO.W.0054.000000T0000Z-170430T1300Z/
Jefferson MS-
740 AM CDT SUN APR 30 2017

...THE TORNADO WARNING FOR EASTERN JEFFERSON COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 900 AM CDT for southwestern
Mississippi. A tornado watch also remains in effect until 300 PM CDT
for central Mississippi.

LAT...LON 3179 9083 3184 9082 3205 9072 3205 9069
      3192 9048 3178 9074
TIME...MOT...LOC 1240Z 219DEG 43KT 3182 9077 

$$

MSC021-029-301300-
/O.CON.KJAN.TO.W.0054.000000T0000Z-170430T1300Z/
Claiborne MS-Copiah MS-
740 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
SOUTHEASTERN CLAIBORNE AND NORTHWESTERN COPIAH COUNTIES...
        
At 740 AM CDT, a confirmed tornado was located over Peyton, or 22
miles west of Hazlehurst, moving northeast at 50 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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 tornado will be near...
  Dentville and Carpenter around 800 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3179 9083 3184 9082 3205 9072 3205 9069
      3192 9048 3178 9074
TIME...MOT...LOC 1240Z 219DEG 43KT 3182 9077 

TORNADO...OBSERVED
HAIL...<.75IN

$$

DL

765 
WWUS54 KJAN 301249
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
749 AM CDT SUN APR 30 2017

MSC021-029-301300-
/O.CON.KJAN.TO.W.0054.000000T0000Z-170430T1300Z/
Claiborne MS-Copiah MS-
749 AM CDT SUN APR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR EAST
CENTRAL CLAIBORNE AND NORTHWESTERN COPIAH COUNTIES...
    
At 748 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Dentville, or 16 miles west of Hazlehurst, moving
northeast at 60 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 tornadic thunderstorm will remain over mainly rural areas of
east central Claiborne and northwestern Copiah Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3205 9072 3205 9069 3192 9048 3182 9067
      3189 9080
TIME...MOT...LOC 1248Z 220DEG 51KT 3194 9066 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 5:29 AM CDT	Severe Thunderstorm Warning	JAN	Adams	61 min
Apr 30, 6:10 AM CDT	Flash Flood Warning	JAN	Adams	4 hr
Apr 30, 6:14 AM CDT	Tornado Warning	JAN	Adams	34 min
Apr 30, 6:34 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Warren	56 min
Apr 30, 6:41 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	49 min
Apr 30, 6:43 AM CDT	Tornado Warning	JAN	Warren	62 min
Apr 30, 6:50 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	55 min
Apr 30, 7:20 AM CDT	Tornado Warning Tornado observed	JAN	Issaquena, Sharkey, Warren, Yazoo	55 min
Apr 30, 7:28 AM CDT	Tornado Warning	JAN	Claiborne, Hinds, Warren	62 min
Apr 30, 7:35 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Franklin, Lincoln	40 min
Apr 30, 7:56 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Madison, Rankin, Simpson	64 min
Apr 30, 7:57 AM CDT	Tornado Warning	JAN	Hinds	48 min
Apr 30, 8:01 AM CDT	Tornado Warning	JAN	Copiah, Hinds, Rankin	44 min
Apr 30, 8:06 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Yazoo	54 min
Apr 30, 8:12 AM CDT	Flash Flood Warning	JAN	Franklin, Lincoln	3 hr
Apr 30, 8:13 AM CDT	Tornado Warning	JAN	Hinds, Madison, Warren, Yazoo	62 min
Apr 30, 8:20 AM CDT	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	55 min
Apr 30, 8:31 AM CDT	Tornado Warning	JAN	Hinds, Madison	59 min
Apr 30, 8:59 AM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Simpson, Smith	61 min
Apr 30, 9:00 AM CDT	Flash Flood Warning	JAN	Humphreys, Issaquena, Sharkey, Warren, Yazoo	3 hr
Apr 30, 9:05 AM CDT	Tornado Warning Tornado observed	JAN	Attala, Holmes, Madison, Yazoo	55 min
Apr 30, 9:09 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore	66 min
Apr 30, 9:18 AM CDT	Tornado Warning	JAN	Scott	42 min
Apr 30, 9:30 AM CDT	Flash Flood Warning	JAN	Attala, Holmes, Humphreys, Madison	3 hr
Apr 30, 9:37 AM CDT	Tornado Warning	JAN	Carroll, Holmes, Montgomery	53 min
Apr 30, 9:48 AM CDT	Tornado Warning Tornado observed	JAN	Leake, Neshoba, Newton, Scott	57 min
Apr 30, 9:50 AM CDT	Severe Thunderstorm Warning	JAN	Grenada, Leflore	40 min
Apr 30, 9:50 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lamar, Marion	55 min
Apr 30, 9:53 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Montgomery, Webster	52 min
Apr 30, 9:54 AM CDT	Flash Flood Warning	JAN	Copiah, Covington, Jefferson Davis, Lawrence, Simpson, Smith	3 hr
Apr 30, 10:05 AM CDT	Tornado Warning	JAN	Montgomery, Webster	27 min
Apr 30, 10:07 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	38 min
Apr 30, 10:16 AM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery	22 min
Apr 30, 10:22 AM CDT	Tornado Warning	JAN	Grenada	23 min
Apr 30, 10:33 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	57 min
Apr 30, 10:43 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Forrest, Jones, Lamar	62 min
Apr 30, 10:45 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Noxubee	60 min
Apr 30, 10:59 AM CDT	Tornado Warning	JAN	Kemper, Noxubee	43 min
Apr 30, 11:12 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar, Marion	3 hr
Apr 30, 11:24 AM CDT	Severe Thunderstorm Warning	JAN	Lowndes	36 min
Apr 30, 11:33 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones	3 hr
Apr 30, 11:42 AM CDT	Tornado Warning	JAN	Lowndes	8 min
Apr 30, 12:31 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	34 min

Nearby

Tornado Warnings in Mississippi, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.