Alert archive / Alabama / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 76, NWS Mobile, AL

March 31, 2005Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 31, 2005, 9:21 PM CST for Mobile County, Alabama. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 31, 2005, 9:21 PM CST (03:21 UTC)
Expired
Mar 31, 2005, 10:00 PM CST
In force
39 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Mobile County, AL

The radar

The Mobile radar (KMOB), 7 km from the middle of the area, began a volume at 03:23 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, 3.4 hours before the alert went out and 143 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 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1854 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
1854 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 010327
SVRMOB
ALC097-010400-
/O.NEW.KMOB.SV.W.0076.050401T0321Z-050401T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
926 PM CST THU MAR 31 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  CENTRAL AND SOUTH MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 1000 PM CST

* AT 926 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS...EXTENDING FROM JUST SOUTHWEST OF    
  TANNER WILLIAMS TO 5 MILES SOUTHWEST OF GRAND BAY. THESE STORMS    
  WERE MOVING TO THE EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BIG CREEK LAKE DAM...DEES AND SEVEN HILLS BY 935 PM CST
  SEMMES...SNOW AND GRAND BAY BY 940 PM CST
  KUSHLA AND TILLMANS CORNER BY 945 PM CST

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING.
TAKE COVER IN A STURDY SHELTER UNTIL THESE STORMS HAVE PASSED.

LAT...LON 3073 8841 3037 8840 3037 8813 3092 8800

$$
1 follow-up statement
000 
WWUS54 KMOB 010355
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
954 PM CST THU MAR 31 2005

ALC097-010400-
/O.CON.KMOB.SV.W.0076.000000T0000Z-050401T0400Z/
MOBILE AL-
954 PM CST THU MAR 31 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1000 PM CST FOR
CENTRAL MOBILE COUNTY...

AT 954 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME TO 
NICKEL SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM NEAR PRICHARD TO NEAR BAYOU LA BATRE...AND MOVING EAST AT 30 
MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
A LINE FROM DOWNTOWN MOBILE TO BELLEFONTAINE TO DELCHAMPS BY 1000 PM 
CST. 

LAT...LON 3073 8841 3037 8840 3036 8811 3092 8800

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 6:29 PM CSTFlash Flood WarningMOBBaldwin4 hr
Mar 31, 9:46 PM CSTSpecial Marine WarningMOB59 min
Mar 31, 10:23 PM CSTSevere Thunderstorm WarningMOBMobile37 min
Mar 31, 10:28 PM CSTSevere Thunderstorm WarningMOBBaldwin47 min
Mar 31, 10:30 PM CSTFlash Flood WarningMOBBaldwin4 hr
Mar 31, 10:32 PM CSTSpecial Marine WarningMOB13 min
Mar 31, 11:16 PM CSTSevere Thunderstorm WarningMOBMobile29 min
Mar 31, 11:25 PM CSTSpecial Marine WarningMOB65 min
Mar 31, 11:28 PM CSTFlash Flood WarningMOBMobile3 hr
Mar 31, 11:46 PM CSTSevere Thunderstorm WarningMOBMobile29 min
Apr 1, 12:28 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 12:33 AM CSTSpecial Marine WarningMOB57 min
Apr 1, 12:39 AM CSTSevere Thunderstorm WarningMOBBaldwin36 min
Apr 1, 12:48 AM CSTSpecial Marine WarningMOB27 min
Apr 1, 12:49 AM CSTSevere Thunderstorm WarningMOBMobile26 min
Apr 1, 1:08 AM CSTSevere Thunderstorm WarningMOBChoctaw, Washington64 min
Apr 1, 1:11 AM CSTSevere Thunderstorm WarningMOBMobile, Washington34 min
Apr 1, 1:22 AM CSTSevere Thunderstorm WarningMOBBaldwin23 min
Apr 1, 1:40 AM CSTSevere Thunderstorm WarningMOBMobile, Washington20 min
Apr 1, 1:42 AM CSTSevere Thunderstorm WarningMOBBaldwin18 min
Apr 1, 1:46 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile29 min
Apr 1, 1:58 AM CSTSpecial Marine WarningMOB62 min
Apr 1, 2:20 AM CSTSpecial Marine WarningMOB25 min
Apr 1, 2:32 AM CSTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 1, 2:55 AM CSTSpecial Marine WarningMOB65 min
Apr 1, 3:39 AM CSTSevere Thunderstorm WarningMOBMobile36 min
Apr 1, 3:56 AM CSTSpecial Marine WarningMOB64 min
Apr 1, 4:08 AM CSTSevere Thunderstorm WarningMOBBaldwin67 min
Apr 1, 4:14 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile31 min
Apr 1, 4:23 AM CSTSevere Thunderstorm WarningMOBMobile37 min
Apr 1, 4:40 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 4:45 AM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia75 min
Apr 1, 4:57 AM CSTSpecial Marine WarningMOB63 min
Apr 1, 5:19 AM CSTSevere Thunderstorm WarningMOBMobile41 min
Apr 1, 5:19 AM CSTSevere Thunderstorm WarningMOBMobile41 min
Apr 1, 5:29 AM CSTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 1, 6:00 AM CSTSpecial Marine WarningMOB60 min
Apr 1, 6:07 AM CSTSevere Thunderstorm WarningMOBBaldwin53 min
Apr 1, 6:52 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 9:00 AM CSTFlash Flood WarningMOBBaldwin, Mobile3 hr
Apr 1, 12:22 PM CSTSpecial Marine WarningMOB53 min
Apr 1, 5:32 PM CSTSpecial Marine WarningMOB58 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2005Every severe thunderstorm warning in 2005

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.