Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 71, NWS Jackson, MS

June 22, 2017Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at Jun 22, 2017, 1:15 PM CDT for Yazoo County, Mississippi. It was in force for 9 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, 1:15 PM CDT (18:15 UTC)
Expired
Jun 22, 2017, 1:24 PM CDT
In force
9 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 83 km from the middle of the area, began a volume at 18:17 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.

IssuedProductOfficeLasted
Jun 22, 1:04 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.3 hours before the alert went out and 73 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 2017-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 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 2017-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.193958Sfc1 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
294 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

878 
WFUS54 KJAN 221815
TORJAN
MSC163-221915-
/O.NEW.KJAN.TO.W.0071.170622T1815Z-170622T1915Z/

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

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Northwestern Yazoo County in central Mississippi...

* Until 215 PM CDT
    
* At 115 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northwest of Phoenix, or 11 miles east of
  Valley Park, moving north 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...
  Holly Bluff around 135 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 3292 9066 3292 9052 3259 9062 3259 9069
      3262 9069 3262 9072 3264 9069 3266 9072
      3269 9071 3266 9069 3267 9066 3269 9066
      3272 9073 3276 9073 3275 9070 3276 9069
      3279 9072 3281 9069 3281 9073 3285 9074
TIME...MOT...LOC 1815Z 185DEG 32KT 3264 9067 

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

$$

19
1 follow-up statement
761 
WWUS54 KJAN 221824
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
124 PM CDT THU JUN 22 2017

MSC163-221834-
/O.CAN.KJAN.TO.W.0071.000000T0000Z-170622T1915Z/
Yazoo MS-
124 PM CDT THU JUN 22 2017

...THE TORNADO WARNING FOR NORTHWESTERN YAZOO COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.  However, gusty winds are 
still possible with this thunderstorm.

A tornado watch remains in effect until 1000 PM CDT for central and
west central Mississippi.

LAT...LON 3292 9066 3292 9052 3259 9062 3259 9069
      3262 9069 3262 9072 3264 9069 3266 9072
      3269 9071 3266 9069 3267 9066 3269 9066
      3272 9073 3276 9073 3275 9070 3276 9069
      3279 9072 3281 9069 3281 9073 3285 9074
TIME...MOT...LOC 1821Z 185DEG 32KT 3272 9066 

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:42 PM CDTSpecial Weather StatementJANJasper, Smith48 min
Jun 22, 6:48 AM CDTSpecial Weather StatementJANClarke27 min
Jun 22, 6:55 AM CDTTornado WarningJANClarke24 min
Jun 22, 9:47 AM CDTRiver Flood WarningJANLeake21 hr
Jun 22, 9:47 AM CDTRiver Flood WarningJANLeake66 hr
Jun 22, 11:14 AM CDTRiver Flood WarningJANAttala, Holmes8 days
Jun 22, 11:14 AM CDTRiver Flood WarningJANMadison, Yazoo9 days
Jun 22, 11:39 AM CDTTornado WarningJANCopiah, Lawrence, Lincoln, Simpson36 min
Jun 22, 1:12 PM CDTSpecial Weather StatementJANYazoo48 min
Jun 22, 1:32 PM CDTSpecial Weather StatementJANLincoln43 min
Jun 22, 1:57 PM CDTSpecial Weather StatementJANHinds63 min
Jun 22, 2:21 PM CDTSpecial Weather StatementJANCarroll24 min
Jun 22, 2:23 PM CDTSpecial Weather StatementJANClaiborne37 min
Jun 22, 2:26 PM CDTSpecial Weather StatementJANYazoo34 min
Jun 22, 2:48 PM CDTSpecial Weather StatementJANHumphreys42 min
Jun 22, 2:55 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Leflore, Sunflower47 min
Jun 22, 2:58 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson, Warren36 min
Jun 22, 3:06 PM CDTSevere Thunderstorm WarningJANIssaquena, Washington69 min
Jun 22, 3:32 PM CDTSpecial Weather StatementJANSharkey43 min
Jun 22, 3:55 PM CDTSpecial Weather StatementJANJefferson Davis, Simpson50 min
Jun 22, 4:24 PM CDTSpecial Weather StatementJANSharkey51 min
Jun 22, 4:33 PM CDTSpecial Weather StatementJANScott42 min
Jun 22, 4:41 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey, Washington18 min
Jun 22, 4:49 PM CDTSpecial Weather StatementJANAdams, Jefferson41 min
Jun 22, 5:07 PM CDTSpecial Weather StatementJANMontgomery38 min
Jun 22, 5:09 PM CDTSpecial Weather StatementJANAttala, Choctaw51 min
Jun 22, 5:14 PM CDTSpecial Weather StatementJANSunflower61 min
Jun 22, 5:20 PM CDTSpecial Weather StatementJANLeake, Scott55 min
Jun 22, 5:30 PM CDTSpecial Weather StatementJANClaiborne, Jefferson45 min

Nearby

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