Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 27, NWS Mobile, AL

April 8, 2002Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 8, 2002, 2:59 PM CDT for Perry County, Stone County, Mississippi. It was in force for 61 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 8, 2002, 2:59 PM CDT (19:59 UTC)
Expired: Apr 8, 2002, 4:00 PM CDT
In force: 61 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

Counties Perry County, MS, Stone County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 8, 3:45 PM CDT	Thunderstorm Wind 65 E	Mc Henry, MS	High thunderstorm winds downed trees from near Wiggins to McHenry.
Apr 8, 3:45 PM CDT	Thunderstorm Wind 55 E	Wiggins, MS	Trees were blown down between Wiggins and McHenry as a line of thunderstorms moved through.
Apr 8, 3:50 PM CDT	Thunderstorm Wind 55 E	New Augusta, MS	Trees and power lines were blown down just west of New Augusta as a line of thunderstorms moved through the area.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 8, 12:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.0 hours before the alert went out and 109 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: 896 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 532 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 247 m²/s²
0-3 km storm-relative helicity: 454 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 10.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 081959
SVRMOB
MSC111-131-082100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
258 PM CDT MON APR 8 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STONE COUNTY IN SOUTHEAST MISSISSIPPI
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 400 PM CDT

* AT 258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS MOVING EAST AT 35 MPH ACROSS SOUTHERN 
  MISSISSIPPI.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROGERS LAKE BY 310 PM CDT
  RUNNELSTOWN...MAHNED BY 315 PM CDT
  RHODES...WIGGINS BY 325 PM CDT
  RICHTON...WLOX TV STATION TOWER BY 330 PM CDT

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THESE STORMS.  IF IN THE PATH OF THESE STORMS...TAKE COVER IN A
STURDY SHELTER UNTIL THE STORMS HAVE PASSED.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

LAT...LON 3144 8913 3093 8914 3091 8931 3067 8934
          3071 8892 3103 8884 3144 8885

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 4:51 PM CDT	Severe Thunderstorm Warning	MOB	Greene	54 min
Apr 8, 5:20 PM CDT	Severe Thunderstorm Warning	MOB	George	40 min
Apr 8, 5:58 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone, Wayne	267 days

Nearby

Severe Thunderstorm Warnings in Mississippi, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.