Alert archive / Mississippi / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 183, NWS Mobile, AL

June 16, 2017Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 16, 2017, 7:32 PM CDT for Wayne County, Mississippi. It was in force for 43 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 16, 2017, 7:32 PM CDT (00:32 UTC)
Expired
Jun 16, 2017, 8:15 PM CDT
In force
43 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Wayne County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 127 km from the middle of the area, began a volume at 00:35 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 nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.5 hours before the alert went out and 137 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 00:00Z on 2017-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 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 00:00Z on 2017-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 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
1367 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1471 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

595 
WUUS54 KMOB 170032
SVRMOB
MSC153-170115-
/O.NEW.KMOB.SV.W.0183.170617T0032Z-170617T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
732 PM CDT FRI JUN 16 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northern Wayne County in southeastern Mississippi...

* Until 815 PM CDT

* At 731 PM CDT, a severe thunderstorm was located near Goodwater, or
  15 miles northwest of Waynesboro, moving southeast at 5 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Waynesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Large hail and damaging winds and continuous cloud to ground 
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3183 8893 3183 8876 3186 8860 3182 8850
      3158 8873 3180 8894
TIME...MOT...LOC 0031Z 308DEG 6KT 3184 8883 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
167 
WWUS54 KMOB 170109
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
809 PM CDT FRI JUN 16 2017

MSC153-170119-
/O.EXP.KMOB.SV.W.0183.000000T0000Z-170617T0115Z/
Wayne MS-
809 PM CDT FRI JUN 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WAYNE COUNTY WILL
EXPIRE AT 815 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However small hail,
gusty winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3183 8893 3183 8876 3186 8860 3182 8850
      3158 8873 3180 8894
TIME...MOT...LOC 0109Z 308DEG 6KT 3180 8878 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 8:15 PM CDTSpecial Weather StatementMOBGreene, Wayne60 min
Jun 16, 9:40 PM CDTSpecial Weather StatementMOBGreene, Perry50 min
Jun 16, 10:30 PM CDTSpecial Weather StatementMOBGeorge, Stone60 min
Jun 17, 1:49 AM CDTSpecial Weather StatementMOBGreene, Perry41 min
Jun 17, 9:12 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry16 days
Jun 17, 9:12 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne20 days
Jun 17, 1:11 PM CDTAreal Flood AdvisoryMOBGreene, Wayne3 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2017Every severe thunderstorm warning 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.