Alert archive / Mississippi / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 151, NWS Mobile, AL

May 27, 2020George County, Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at May 27, 2020, 1:22 PM CDT for George County, Greene County, Mississippi. It was in force for 53 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
May 27, 2020, 1:22 PM CDT (18:22 UTC)
Expired
May 27, 2020, 2:15 PM CDT
In force
53 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.25 in
Wind
70.0 mph

Counties George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 18:23 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.4 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2020-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2454 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2020-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 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
2454 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

864 
WUUS54 KMOB 271822
SVRMOB
MSC039-041-271915-
/O.NEW.KMOB.SV.W.0151.200527T1822Z-200527T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
122 PM CDT Wed May 27 2020

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northwestern George County in southeastern Mississippi...
  Greene County in southeastern Mississippi...

* Until 215 PM CDT.

* At 121 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles south of New Augusta to 7 miles southwest of
  McLain to 13 miles northeast of Wiggins, moving northeast at 35
  mph.

  HAZARD...70 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Leakesville and McLain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3131 8884 3144 8855 3144 8852 3143 8845
      3100 8843 3093 8883
TIME...MOT...LOC 1821Z 234DEG 30KT 3114 8904 3105 8893 3095 8893 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...70MPH
 
$$

JLH
1 follow-up statement
273 
WWUS54 KMOB 271904
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
204 PM CDT Wed May 27 2020

MSC039-271914-
/O.CAN.KMOB.SV.W.0151.000000T0000Z-200527T1915Z/
George MS-
204 PM CDT Wed May 27 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GEORGE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3144 8855 3144 8852 3143 8845 3102 8843
      3100 8872 3133 8880
TIME...MOT...LOC 1904Z 234DEG 30KT 3134 8872 3125 8861 3115 8861 

$$

MSC041-271915-
/O.CON.KMOB.SV.W.0151.000000T0000Z-200527T1915Z/
Greene MS-
204 PM CDT Wed May 27 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR GREENE COUNTY...

At 204 PM CDT, severe thunderstorms were located along a line
extending from 13 miles east of Richton to 13 miles southwest of
Fruitdale to near Leakesville, moving northeast at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Leakesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3144 8855 3144 8852 3143 8845 3102 8843
      3100 8872 3133 8880
TIME...MOT...LOC 1904Z 234DEG 30KT 3134 8872 3125 8861 3115 8861 

HAIL...1.25IN
WIND...60MPH
 
$$

JLH

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 12:46 PM CDTSpecial Weather StatementMOBStone44 min
May 27, 12:55 PM CDTSevere Thunderstorm WarningMOBPerry50 min
May 27, 1:40 PM CDTSevere Thunderstorm WarningMOBPerry22 min
May 27, 1:49 PM CDTAreal Flood AdvisoryMOBGreene, Perry116 min
May 27, 2:13 PM CDTSevere Thunderstorm WarningMOBGreene, Wayne62 min
May 27, 3:39 PM CDTSevere Thunderstorm WarningMOBGeorge36 min
May 27, 4:32 PM CDTSpecial Weather StatementMOBJackson43 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2020Every severe thunderstorm warning in 2020

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.