Alert archive / Mississippi / Tornado Warnings in 2001

Tornado Warning 19, NWS New Orleans, LA

March 12, 2001Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 12, 2001, 11:36 AM CST for Harrison County, Jackson County, Mississippi. It was in force for 24 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: Mar 12, 2001, 11:36 AM CST (17:36 UTC)
Expired: Mar 12, 2001, 12:00 PM CST
In force: 24 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Harrison County, MS, Jackson County, MS

What was reported inside it

Time	Report	Where	Remark
Mar 12, 11:39 AM CST	Thunderstorm Wind	Countywide, MS	Several trees and pwer lines were blown down at various locations across the county.

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
Mar 12, 10:00 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.6 hours before the alert went out and 84 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: 1587 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 469 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 367 m²/s²
0-3 km storm-relative helicity: 453 m²/s²
Significant tornado parameter: 4.1
Supercell composite: 19.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 121737
TORNEW
MSC047-059-121800-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1136 AM CST MON MAR 12 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  HARRISON COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...BILOXI...GULFPORT...LONG BEACH
  JACKSON COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...ESCATAWPA...OCEAN SPRINGS...ST.
  MARTIN

* UNTIL NOON CST

* AT 1132 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS PRODUCING TORNADOES FROM 6 MILES 
  NORTH OF WADE TO 8 MILES WEST OF LONG BEACH...MOVING SOUTHEAST AT
  20 MPH.

SEEK SHELTER ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET OR BATHROOM.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.
-
LAT...LON 3035 8863 3026 8868 3019 8909 3024 8915
          3023 8905 3019 8908 3035 8864 3038 8904
          3031 8929 3042 8930 3046 8895 3074 8862
          3074 8842 3049 8842

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 10:58 PM CST	Severe Thunderstorm Warning	LIX	Harrison, Jackson	62 min
Mar 12, 1:05 AM CST	Severe Thunderstorm Warning	LIX	Wilkinson	40 min
Mar 12, 4:16 AM CST	Tornado Warning	LIX	Pearl River	14 min
Mar 12, 5:59 AM CST	Severe Thunderstorm Warning	LIX	Walthall	31 min
Mar 12, 7:05 AM CST	Severe Thunderstorm Warning	LIX	Pike	40 min
Mar 12, 7:36 AM CST	Severe Thunderstorm Warning	LIX	Walthall	34 min
Mar 12, 8:30 AM CST	Severe Thunderstorm Warning	LIX	Amite, Pike	30 min
Mar 12, 9:01 AM CST	Severe Thunderstorm Warning	LIX	Pike, Walthall	44 min
Mar 12, 9:26 AM CST	Tornado Warning	LIX	Walthall	34 min
Mar 12, 9:56 AM CST	Tornado Warning	LIX	Pearl River	34 min
Mar 12, 10:05 AM CST	Severe Thunderstorm Warning	LIX	Hancock	55 min
Mar 12, 10:27 AM CST	Tornado Warning	LIX	Pearl River	33 min
Mar 12, 10:55 AM CST	Severe Thunderstorm Warning	LIX	Hancock, Harrison	50 min
Mar 12, 11:07 AM CST	Tornado Warning	LIX	Harrison	23 min
Mar 12, 11:11 AM CST	Tornado Warning	LIX	Jackson	34 min
Mar 12, 1:02 PM CST	Flash Flood Warning	LIX	Harrison	118 min

Nearby

Tornado Warnings in Mississippi, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.