Alert archive / Mississippi / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 115, NWS Mobile, AL

November 24, 2004Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Nov 24, 2004, 5:44 AM CST for Greene County, Mississippi. It was in force for 31 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: Nov 24, 2004, 5:44 AM CST (11:44 UTC)
Expired: Nov 24, 2004, 6:15 AM CST
In force: 31 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Greene County, MS

The radar

The Mobile radar (KMOB), 54 km from the middle of the area, began a volume at 11:44 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
Nov 24, 12:45 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.7 hours before the alert went out and 145 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: 866 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 805 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KMOB 241144
SVRMOB
MSC041-241215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
543 AM CST WED NOV 24 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  GREENE COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 615 AM CST

* AT 539 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR VERNAL...OR ABOUT 7
  MILES SOUTH OF LEAKESVILLE...AND MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ROUNSAVILLE AND PISGAH.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. SEVERE 
THUNDERSTORMS CAN AND SOMETIMES DO PRODUCE TORNADOES WITH LITTLE 
ADVANCE WARNING. IF A TORNADO IS SPOTTED... ACT QUICKLY AND MOVE TO 
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR 
SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING.
TAKE COVER IN A STURDY SHELTER UNTIL THE STORM HAS PASSED.

LAT...LON 3106 8845 3104 8843 3100 8843 3100 8860
      3109 8871 3112 8868 3112 8866 3129 8845

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 1:55 AM CST	Tornado Warning	MOB	Stone	35 min
Nov 24, 2:34 AM CST	Tornado Warning	MOB	Perry	26 min
Nov 24, 2:58 AM CST	Tornado Warning	MOB	Greene	32 min
Nov 24, 3:29 AM CST	Tornado Warning	MOB	Wayne	31 min
Nov 24, 4:19 AM CST	Severe Thunderstorm Warning	MOB	Greene, Wayne	41 min
Nov 24, 5:03 AM CST	Tornado Warning	MOB	George, Perry, Stone	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2004 Every severe thunderstorm warning in 2004

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.