Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 174, NWS Mobile, AL

October 13, 2001George County, Greene County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 6:47 PM CDT for George County, Greene County, Mississippi; Mobile County, Alabama. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Oct 13, 2001, 6:47 PM CDT (23:47 UTC)
Expired
Oct 13, 2001, 7:30 PM CDT
In force
43 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Mobile County, AL, George County, MS, Greene County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 13, 6:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.8 hours before the alert went out and 134 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2001-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1483 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2001-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1483 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
1.8
Supercell composite
9.9

Open this sounding in Storm Lab

The text

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

846 
WUUS54 KMOB 132347
SVRMOB
ALC097-MSC039-041-140030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
647 PM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI
  MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 730 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES NORTHWEST OF AGRICOLA...MOVING
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EVANSTON...LUCEDALE BY 650 PM CDT
  SHIPMAN BY 655 PM CDT
  MOFFET BY 700 PM CDT
  EARLVILLE BY 715 PM CDT

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THIS STORM.  IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY
SHELTER UNTIL THE STORM HAS 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 3084 8870 3072 8856 3096 8823 3112 8842

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:59 PM CDTSevere Thunderstorm WarningMOBPerry, Stone61 min
Oct 13, 2:59 PM CDTSevere Thunderstorm WarningMOBWayne61 min
Oct 13, 3:44 PM CDTTornado WarningMOBWayne16 min
Oct 13, 4:01 PM CDTSevere Thunderstorm WarningMOBGreene, Wayne59 min
Oct 13, 4:01 PM CDTSevere Thunderstorm WarningMOBGeorge, Perry, Stone59 min
Oct 13, 5:01 PM CDTSevere Thunderstorm WarningMOBGreene59 min
Oct 13, 5:01 PM CDTSevere Thunderstorm WarningMOBGeorge, Perry, Stone59 min
Oct 13, 7:22 AM CDTTornado WarningMOBBaldwin38 min
Oct 13, 11:42 AM CDTTornado WarningMOBBaldwin33 min
Oct 13, 11:44 AM CDTSevere Thunderstorm WarningMOBWashington31 min
Oct 13, 12:21 PM CDTTornado WarningMOBClarke, Washington24 min
Oct 13, 12:24 PM CDTSpecial Marine WarningMOB51 min
Oct 13, 12:40 PM CDTSevere Thunderstorm WarningMOBBaldwin35 min
Oct 13, 12:47 PM CDTTornado WarningMOBBaldwin28 min
Oct 13, 1:10 PM CDTTornado WarningMOBEscambia, Monroe35 min
Oct 13, 1:18 PM CDTTornado WarningMOBBaldwin27 min
Oct 13, 2:34 PM CDTTornado WarningMOBBaldwin26 min
Oct 13, 2:53 PM CDTTornado WarningMOBMonroe37 min
Oct 13, 3:08 PM CDTTornado WarningMOBEscambia22 min
Oct 13, 3:37 PM CDTTornado WarningMOBConecuh, Escambia23 min
Oct 13, 6:17 PM CDTSpecial Marine WarningMOB58 min
Oct 13, 6:17 PM CDTSpecial Marine WarningMOB58 min
Oct 13, 6:52 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia23 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2001Severe Thunderstorm Warnings in Alabama, 2001Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.