Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 4, NWS Mobile, AL

January 3, 2000Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 3, 2000, 11:43 PM CST for Greene County, Mississippi. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jan 3, 2000, 11:43 PM CST (05:43 UTC)
Expired: Jan 4, 2000, 12:15 AM CST
In force: 32 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Greene County, MS

What was reported inside it

Time	Report	Where	Remark
Jan 4, 12:05 AM CST	Thunderstorm Wind 50 E	Leakesville, MS	Trees were blown down just northeast of Leakesville.

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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.7 hours before the alert went out and 148 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: 718 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 8.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 040545
SVRMOB
MSC041-040615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1143 PM CST MON JAN 3 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREENE COUNTY IN MISSISSIPPI

* UNTIL 1215 AM CST

* AT 1142 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER WEST CENTRAL GREENE COUNTY...OR ABOUT 26
  MILES NORTHWEST OF LUCEDALE...MOVING EAST AT 30 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MOBILE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 7:34 PM CST	Severe Thunderstorm Warning	MOB	Wayne	71 min
Jan 3, 11:18 PM CST	Severe Thunderstorm Warning	MOB	Perry	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2000 Every severe thunderstorm warning in 2000

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.