Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 36, NWS Mobile, AL

March 3, 2001Mobile County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 3, 2001, 1:39 AM CST for Mobile County, Washington County, Alabama. It was in force for 36 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
Mar 3, 2001, 1:39 AM CST (07:39 UTC)
Expired
Mar 3, 2001, 2:15 AM CST
In force
36 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Mobile County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 65 km from the middle of the area, began a volume at 07:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.7 hours before the alert went out and 189 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 00:00Z on 2001-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 684 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 00:00Z on 2001-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
684 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

710 
WUUS54 KMOB 030740
SVRMOB
ALC097-129-030815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
139 AM CST SAT MAR 3 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MOBILE COUNTY IN SOUTHWEST ALABAMA
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA

* UNTIL 215 AM CST

* AT 139 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 2 MILES NORTHEAST OF TOPTON TO 11
  MILES WEST OF FAIRFORD...MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SUNFLOWER BY 145 AM CST
  MCINTOSH...TOINETTE BY 150 AM CST
  FAIRFORD BY 155 AM CST
  CALVERT...MALCOLM BY 200 AM CST

STRONG DAMAGING WIND 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.

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 3133 8814 3108 8829 3114 8799 3138 8793
          3144 8794

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 1:11 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Marengo, Washington6 hr
Mar 3, 1:55 AM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe65 min
Mar 3, 2:45 AM CSTSevere Thunderstorm WarningMOBConecuh45 min
Mar 3, 3:09 AM CSTSevere Thunderstorm WarningMOBButler51 min
Mar 3, 7:15 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Marengo, Washington4 hr
Mar 3, 11:24 AM CSTSevere Thunderstorm WarningMOBMobile36 min
Mar 3, 11:25 AM CSTFlash Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more6 hr
Mar 3, 3:47 PM CSTSevere Thunderstorm WarningMOBClarke, Washington28 min
Mar 3, 5:15 PM CSTFlash Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more6 hr

Nearby

Severe 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; radar from the NEXRAD Level II archive.