Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 34, NWS Jackson, MS

March 29, 2017Adams County, Jefferson County, Mississippi

NWS Jackson, MS issued this tornado warning at Mar 29, 2017, 11:04 PM CDT for Adams County, Jefferson County, Mississippi. It was in force for 41 min. 1 report 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: Mar 29, 2017, 11:04 PM CDT (04:04 UTC)
Expired: Mar 29, 2017, 11:45 PM CDT
In force: 41 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Adams County, MS, Jefferson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 133 km from the middle of the area, began a volume at 04:04 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
Mar 29, 11:10 PM CDT	TSTM WND DMG	10 Wsw Fayette, MS	TREE DOWN ACROSS TATE ROAD.

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
Mar 29, 7:26 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.1 hours before the alert went out and 127 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: 424 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

249 
WFUS54 KJAN 300404
TORJAN
MSC001-063-300445-
/O.NEW.KJAN.TO.W.0034.170330T0404Z-170330T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1104 PM CDT WED MAR 29 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Central Jefferson County in southwestern Mississippi...
  Northeastern Adams County in southwestern Mississippi...

* Until 1145 PM CDT
    
* At 1104 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Stanton, or 9 miles northeast of Natchez,
  moving northeast at 35 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...
  Church Hill and Stampley around 1115 PM CDT. 
  Fayette around 1125 PM CDT. 
  Lorman around 1135 PM CDT. 
  Red Lick around 1140 PM 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 3174 9138 3175 9135 3175 9127 3176 9126
      3177 9127 3179 9133 3182 9128 3181 9126
      3182 9125 3184 9125 3187 9119 3186 9101
      3183 9085 3161 9115 3157 9131 3164 9140
      3171 9140
TIME...MOT...LOC 0404Z 227DEG 30KT 3166 9130 

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

$$

NF

3 follow-up statements

193 
WWUS54 KJAN 300413
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1113 PM CDT WED MAR 29 2017

MSC001-300422-
/O.CAN.KJAN.TO.W.0034.000000T0000Z-170330T0445Z/
Adams MS-
1113 PM CDT WED MAR 29 2017

...THE TORNADO WARNING FOR NORTHEASTERN ADAMS 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 300 AM CDT for northeastern
Louisiana...and southwestern Mississippi.

LAT...LON 3179 9133 3182 9128 3181 9126 3182 9125
      3184 9125 3187 9119 3186 9101 3183 9085
      3164 9110 3163 9115 3163 9123 3165 9127
      3166 9127 3167 9130 3170 9129 3175 9132
      3175 9127 3176 9126
TIME...MOT...LOC 0412Z 225DEG 30KT 3170 9123 

$$

MSC063-300445-
/O.CON.KJAN.TO.W.0034.000000T0000Z-170330T0445Z/
Jefferson MS-
1113 PM CDT WED MAR 29 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR CENTRAL
JEFFERSON COUNTY...
    
At 1112 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Church Hill, or 13 miles northeast of Natchez,
moving northeast at 35 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...
  Stampley around 1115 PM CDT. 
  Fayette around 1125 PM CDT. 
  Lorman around 1135 PM CDT. 
  Red Lick around 1140 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do 
not wait to see or hear the tornado. 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 9133 3182 9128 3181 9126 3182 9125
      3184 9125 3187 9119 3186 9101 3183 9085
      3164 9110 3163 9115 3163 9123 3165 9127
      3166 9127 3167 9130 3170 9129 3175 9132
      3175 9127 3176 9126
TIME...MOT...LOC 0412Z 225DEG 30KT 3170 9123 

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

$$

NF

879 
WWUS54 KJAN 300430
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1130 PM CDT WED MAR 29 2017

MSC063-300445-
/O.CON.KJAN.TO.W.0034.000000T0000Z-170330T0445Z/
Jefferson MS-
1130 PM CDT WED MAR 29 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
NORTHWESTERN JEFFERSON COUNTY...
    
At 1130 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lorman, or 23 miles northeast of Natchez, moving
northeast at 35 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...
  Lorman around 1135 PM CDT. 
  Red Lick around 1140 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3187 9119 3186 9101 3183 9085 3166 9107
      3179 9124 3185 9122
TIME...MOT...LOC 0430Z 230DEG 31KT 3178 9110 

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

$$

NF

499 
WWUS54 KJAN 300440
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1140 PM CDT WED MAR 29 2017

MSC063-300450-
/O.EXP.KJAN.TO.W.0034.000000T0000Z-170330T0445Z/
Jefferson MS-
1140 PM CDT WED MAR 29 2017

...THE TORNADO WARNING FOR NORTHWESTERN JEFFERSON COUNTY WILL EXPIRE
AT 1145 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

A tornado watch remains in effect until 300 AM CDT for southwestern
Mississippi.

LAT...LON 3187 9119 3186 9101 3183 9085 3166 9107
      3179 9124 3185 9122
TIME...MOT...LOC 0440Z 227DEG 30KT 3184 9103 

$$

NF

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 9:24 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	45 min
Mar 29, 10:04 PM CDT	Special Weather Statement	JAN	Bolivar	41 min
Mar 29, 10:43 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	47 min
Mar 29, 11:44 PM CDT	Special Weather Statement	JAN	Franklin	31 min
Mar 30, 12:01 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Jefferson, Lincoln	44 min
Mar 30, 12:06 AM CDT	Special Weather Statement	JAN	Copiah	24 min
Mar 30, 12:12 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Hinds	63 min
Mar 30, 12:42 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	52 min
Mar 30, 1:11 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Yazoo	36 min
Mar 30, 1:54 AM CDT	Special Weather Statement	JAN	Montgomery, Webster	36 min
Mar 30, 2:52 AM CDT	Special Weather Statement	JAN	Holmes, Humphreys, Leflore, Yazoo	53 min
Mar 30, 4:16 AM CDT	Special Weather Statement	JAN	Attala, Choctaw, Montgomery, Webster	44 min
Mar 30, 5:14 AM CDT	Special Weather Statement	JAN	Lamar	46 min
Mar 30, 5:39 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones, Lamar	55 min
Mar 30, 7:08 AM CDT	Special Weather Statement	JAN	Clay, Kemper, Lowndes, Neshoba, Noxubee, Oktibbeha and 1 more	52 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.