Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 175, NWS Jackson, MS

May 9, 2021Hinds County, Madison County, Rankin County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 2021, 10:38 PM CDT for Hinds County, Madison County, Rankin County, Mississippi. It was in force for 82 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 9, 2021, 10:38 PM CDT (03:38 UTC)
Expired: May 10, 2021, 12:00 AM CDT
In force: 82 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Hinds County, MS, Madison County, MS, Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 37 km from the middle of the area, began a volume at 03:41 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
May 9, 7:29 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.6 hours before the alert went out and 30 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: 632 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

656 
WUUS54 KJAN 100338
SVRJAN
MSC049-089-121-100500-
/O.NEW.KJAN.SV.W.0175.210510T0338Z-210510T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1038 PM CDT Sun May 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Rankin County in central Mississippi...
  Northern Hinds County in central Mississippi...
  Madison County in central Mississippi...

* Until midnight CDT.

* At 1036 PM CDT, a severe thunderstorm was located over Phoenix, or
  18 miles northeast of Redwood, moving east at 40 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* This severe thunderstorm will be near...
  Flora around 1055 PM CDT.
  Pocahontas around 1100 PM CDT.
  Annandale around 1105 PM CDT.
  Madison, Canton and Gluckstadt around 1115 PM CDT.
  Goshen Springs and Fannin around 1130 PM CDT.
  Pisgah around 1135 PM CDT.
  Leesburg around 1145 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on the Ross Barnett Reservoir, get out of the the water. Winds of 
this magnitude can easily sink boats.  Remember, do not be caught on 
the water in a thunderstorm.

&&

LAT...LON 3228 8973 3240 9062 3245 9059 3248 9061
      3250 9058 3250 9052 3256 9045 3258 9045
      3258 9040 3261 9034 3266 9028 3267 9020
      3270 9010 3275 9004 3282 9002 3284 8999
      3283 8973 3264 8973 3258 8978 3236 8973
TIME...MOT...LOC 0336Z 278DEG 35KT 3260 9052 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

19

6 follow-up statements

169 
WWUS54 KJAN 100405
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1105 PM CDT Sun May 9 2021

MSC049-089-121-100500-
/O.CON.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-Hinds MS-Madison MS-
1105 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN RANKIN...NORTHERN HINDS AND MADISON COUNTIES...

At 1105 PM CDT, a severe thunderstorm was located near Pocahontas, or
7 miles north of Clinton, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe storm will be near...
  Pocahontas around 1110 PM CDT.
  Annandale around 1125 PM CDT.
  Madison, Ridgeland and Gluckstadt around 1135 PM CDT.
  Fannin around 1155 PM CDT.
  Goshen Springs around 1200 AM CDT.
  Pisgah around 1205 AM CDT.
  Pelahatchie and Leesburg around 1220 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3228 8973 3240 9062 3245 9059 3248 9061
      3250 9058 3250 9052 3256 9045 3258 9045
      3258 9040 3261 9034 3266 9028 3267 9020
      3270 9010 3275 9004 3281 9002 3284 8999
      3283 8973 3264 8973 3258 8978 3236 8973
TIME...MOT...LOC 0405Z 279DEG 23KT 3245 9033 

HAIL...<.75IN
WIND...60MPH
 
$$

19

155 
WWUS54 KJAN 100409
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1109 PM CDT Sun May 9 2021

MSC049-089-121-100500-
/O.CON.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-Hinds MS-Madison MS-
1109 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN RANKIN...NORTHERN HINDS AND SOUTHERN MADISON
COUNTIES...

At 1109 PM CDT, a severe thunderstorm was located over Pocahontas, or
7 miles northeast of Clinton, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe storm will be near...
  Annandale around 1115 PM CDT.
  Madison, Ridgeland and Gluckstadt around 1125 PM CDT.
  Fannin and Goshen Springs around 1140 PM CDT.
  Pisgah around 1145 PM CDT.
  Pelahatchie and Leesburg around 1155 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3228 8973 3240 9062 3245 9059 3248 9061
      3250 9058 3250 9052 3256 9045 3258 9045
      3258 9040 3261 9034 3258 8978 3236 8973
TIME...MOT...LOC 0409Z 278DEG 35KT 3244 9028 

HAIL...<.75IN
WIND...60MPH
 
$$

19

539 
WWUS54 KJAN 100417
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1117 PM CDT Sun May 9 2021

MSC049-089-121-100500-
/O.CON.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-Hinds MS-Madison MS-
1117 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN RANKIN...NORTHERN HINDS AND SOUTHERN MADISON
COUNTIES...

At 1115 PM CDT, severe thunderstorms were located along a line
extending from Gluckstadt to Jackson, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Canton around 1120 PM CDT.
  Goshen Springs and Fannin around 1130 PM CDT.
  Pisgah around 1135 PM CDT.
  Leesburg around 1140 PM CDT.
  Pelahatchie around 1145 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on the Ross Barnett Reservoir, get out of the water now! Winds of 
this magnitude can sink boats.  Move to safe shelter now!  Do not be 
caught on the water in a thunderstorm.

&&

LAT...LON 3228 8973 3240 9062 3245 9059 3248 9061
      3250 9058 3250 9052 3256 9045 3258 9045
      3258 9040 3261 9034 3258 8978 3236 8973
TIME...MOT...LOC 0415Z 276DEG 40KT 3253 9010 3233 9022 

HAIL...<.75IN
WIND...60MPH
 
$$

19

634 
WWUS54 KJAN 100434
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1134 PM CDT Sun May 9 2021

MSC049-100444-
/O.CAN.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Hinds MS-
1134 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HINDS COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central Mississippi.

LAT...LON 3228 8973 3234 9012 3235 9011 3238 9010
      3240 9007 3242 9007 3242 9006 3244 9007
      3244 9004 3259 8998 3258 8978 3236 8973
TIME...MOT...LOC 0434Z 279DEG 30KT 3258 8992 3234 9002 

$$

MSC089-121-100500-
/O.CON.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-Madison MS-
1134 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN RANKIN AND SOUTHEASTERN MADISON COUNTIES...

At 1134 PM CDT, severe thunderstorms were located along a line
extending from near Sharon to near Brandon, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Pisgah around 1140 PM CDT.
  Pelahatchie around 1155 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3228 8973 3234 9012 3235 9011 3238 9010
      3240 9007 3242 9007 3242 9006 3244 9007
      3244 9004 3259 8998 3258 8978 3236 8973
TIME...MOT...LOC 0434Z 279DEG 30KT 3258 8992 3234 9002 

HAIL...<.75IN
WIND...60MPH
 
$$

19

615 
WWUS54 KJAN 100442
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1142 PM CDT Sun May 9 2021

MSC089-100452-
/O.CAN.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Madison MS-
1142 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MADISON COUNTY IS
CANCELLED...

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

LAT...LON 3228 8973 3232 9001 3256 8988 3258 8986
      3258 8978 3236 8973
TIME...MOT...LOC 0442Z 270DEG 35KT 3257 8985 3233 8995 

$$

MSC121-100500-
/O.CON.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-
1142 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN RANKIN COUNTY...

At 1142 PM CDT, severe thunderstorms were located along a line
extending from near Farmhaven to near Brandon, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Pelahatchie around 1155 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3228 8973 3232 9001 3256 8988 3258 8986
      3258 8978 3236 8973
TIME...MOT...LOC 0442Z 270DEG 35KT 3257 8985 3233 8995 

HAIL...<.75IN
WIND...60MPH
 
$$

19

476 
WWUS54 KJAN 100451
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1151 PM CDT Sun May 9 2021

MSC121-100500-
/O.EXP.KJAN.SV.W.0175.000000T0000Z-210510T0500Z/
Rankin MS-
1151 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RANKIN COUNTY
WILL EXPIRE AT MIDNIGHT CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

LAT...LON 3228 8973 3232 9001 3256 8988 3258 8986
      3258 8978 3236 8973
TIME...MOT...LOC 0450Z 278DEG 35KT 3256 8977 3232 8987 

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:32 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	73 min
May 9, 7:57 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Webster	43 min
May 9, 8:21 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	28 min
May 9, 8:55 PM CDT	Special Weather Statement	JAN	Issaquena	35 min
May 9, 9:06 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	39 min
May 9, 9:36 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	37 min
May 9, 9:45 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	60 min
May 9, 10:12 PM CDT	Severe Thunderstorm Warning	JAN	Warren, Yazoo	62 min
May 9, 10:16 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Yazoo	35 min
May 9, 10:24 PM CDT	Flash Flood Warning	JAN	Holmes, Humphreys, Sharkey, Yazoo	86 min
May 9, 10:34 PM CDT	Flash Flood Warning	JAN	Carroll, Choctaw, Clay, Lowndes, Montgomery, Oktibbeha and 1 more	78 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every severe thunderstorm warning in 2021

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.