Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 69, NWS Jackson, MS

June 22, 2017Clarke County, Mississippi

NWS Jackson, MS issued this tornado warning at Jun 22, 2017, 6:55 AM CDT for Clarke County, Mississippi. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 22, 2017, 6:55 AM CDT (11:55 UTC)
Expired: Jun 22, 2017, 7:19 AM CDT
In force: 24 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Clarke County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 142 km from the middle of the area, began a volume at 11:58 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 22, 2:57 AM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.9 hours before the alert went out and 152 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: 563 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

551 
WFUS54 KJAN 221155
TORJAN
MSC023-221230-
/O.NEW.KJAN.TO.W.0069.170622T1155Z-170622T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
655 AM CDT THU JUN 22 2017

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northeastern Clarke County in east central Mississippi...

* Until 730 AM CDT
    
* At 654 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Sykes, or 12 miles east of Quitman, moving north
  at 40 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...
  Snell around 710 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 3218 8844 3213 8844 3198 8847 3201 8862
      3223 8858 3223 8843 3220 8843
TIME...MOT...LOC 1154Z 193DEG 33KT 3207 8850 

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

$$

NF

1 follow-up statement

847 
WWUS54 KJAN 221219
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
719 AM CDT THU JUN 22 2017

MSC023-221229-
/O.CAN.KJAN.TO.W.0069.000000T0000Z-170622T1230Z/
Clarke MS-
719 AM CDT THU JUN 22 2017

...THE TORNADO WARNING FOR NORTHEASTERN CLARKE COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A tornado watch remains in effect until 100 PM CDT for east central
Mississippi.

LAT...LON 3218 8844 3213 8844 3198 8847 3201 8862
      3223 8858 3223 8843 3220 8843
TIME...MOT...LOC 1217Z 193DEG 33KT 3230 8844 

$$

NF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:42 PM CDT	Special Weather Statement	JAN	Jasper, Smith	48 min
Jun 22, 6:48 AM CDT	Special Weather Statement	JAN	Clarke	27 min
Jun 22, 9:47 AM CDT	River Flood Warning	JAN	Leake	21 hr
Jun 22, 9:47 AM CDT	River Flood Warning	JAN	Leake	66 hr
Jun 22, 11:14 AM CDT	River Flood Warning	JAN	Attala, Holmes	8 days
Jun 22, 11:14 AM CDT	River Flood Warning	JAN	Madison, Yazoo	9 days
Jun 22, 11:39 AM CDT	Tornado Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	36 min
Jun 22, 1:12 PM CDT	Special Weather Statement	JAN	Yazoo	48 min
Jun 22, 1:15 PM CDT	Tornado Warning	JAN	Yazoo	9 min
Jun 22, 1:32 PM CDT	Special Weather Statement	JAN	Lincoln	43 min
Jun 22, 1:57 PM CDT	Special Weather Statement	JAN	Hinds	63 min
Jun 22, 2:21 PM CDT	Special Weather Statement	JAN	Carroll	24 min
Jun 22, 2:23 PM CDT	Special Weather Statement	JAN	Claiborne	37 min
Jun 22, 2:26 PM CDT	Special Weather Statement	JAN	Yazoo	34 min
Jun 22, 2:48 PM CDT	Special Weather Statement	JAN	Humphreys	42 min
Jun 22, 2:55 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Leflore, Sunflower	47 min
Jun 22, 2:58 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson, Warren	36 min
Jun 22, 3:06 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	69 min
Jun 22, 3:32 PM CDT	Special Weather Statement	JAN	Sharkey	43 min
Jun 22, 3:55 PM CDT	Special Weather Statement	JAN	Jefferson Davis, Simpson	50 min
Jun 22, 4:24 PM CDT	Special Weather Statement	JAN	Sharkey	51 min
Jun 22, 4:33 PM CDT	Special Weather Statement	JAN	Scott	42 min
Jun 22, 4:41 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	18 min
Jun 22, 4:49 PM CDT	Special Weather Statement	JAN	Adams, Jefferson	41 min
Jun 22, 5:07 PM CDT	Special Weather Statement	JAN	Montgomery	38 min
Jun 22, 5:09 PM CDT	Special Weather Statement	JAN	Attala, Choctaw	51 min
Jun 22, 5:14 PM CDT	Special Weather Statement	JAN	Sunflower	61 min
Jun 22, 5:20 PM CDT	Special Weather Statement	JAN	Leake, Scott	55 min
Jun 22, 5:30 PM CDT	Special Weather Statement	JAN	Claiborne, Jefferson	45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.