Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 170, NWS Mobile, AL

October 13, 2001Greene County, Wayne County, Mississippi; Choctaw County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 4:01 PM CDT for Greene County, Wayne County, Mississippi; Choctaw County, Washington County, Alabama. It was in force for 59 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
Oct 13, 2001, 4:01 PM CDT (21:01 UTC)
Expired
Oct 13, 2001, 5:00 PM CDT
In force
59 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Choctaw County, AL, Washington County, AL, Greene County, MS, Wayne County, MS

What was reported inside it

TimeReportWhereRemark
Oct 13, 4:05 PM CDTThunderstorm Wind 60 ECyril, ALStrong thunderstorm winds downed trees between Cyril and Pushmataha.

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.

IssuedProductOfficeLasted
Oct 13, 12:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 164 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, Jackson, MS at 12:00Z on 2001-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 425 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, Jackson, MS at 12:00Z on 2001-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.1939587897Sfc1 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
425 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

519 
WUUS54 KMOB 132102
SVRMOB
ALC023-129-MSC039-041-111-131-153-132200-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA
  CHOCTAW COUNTY IN SOUTHWEST ALABAMA
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI
  STONE COUNTY IN SOUTHEAST MISSISSIPPI
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 500 PM CDT

* AT 400 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS FROM 7 MILES NORTHWEST OF YANTLEY
  TO NEAR THE WLOX TV STATION TOWER...MOVING EAST AT 15 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WOODWARDS...CLARA BY 410 PM CDT
  WAYNESBORO...MATHERVILLE BY 415 PM CDT
  SMITHTOWN...SAND HILL BY 420 PM CDT
  MCLAIN...BOTHWELL BY 425 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 UNTIL 600 PM. 
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.

REPORT SEVERE WEATHER TO YOUR LOCAL 911 EMERGENCY CENTER OR LAW
ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN MOBILE.

LAT...LON 3231 8843 3191 8850 3186 8867 3064 8924
          3077 8850 3117 8843 3231 8804

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 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, 6:47 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene43 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.