Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

October 5, 2021Covington County, Alabama

NWS Mobile, AL issued this special weather statement at Oct 5, 2021, 7:04 PM CDT for Covington County, Alabama. It was in force for 41 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
Oct 5, 2021, 7:04 PM CDT (00:04 UTC)
Expired
Oct 5, 2021, 7:45 PM CDT
In force
41 min
Issued by
NWS Mobile, AL
Hail
0.00 in
Wind
40

County Covington County, AL

The radar

The Eglin Afb radar (KEVX), 111 km from the middle of the area, began a volume at 00:04 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

Birmingham, AL (KBMX), launched 00:00Z, 0.1 hours before the alert went out and 223 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, Birmingham, AL at 00:00Z on 2021-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2021-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 km3 km6 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
734 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

608 
WWUS84 KMOB 060004
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
704 PM CDT Tue Oct 5 2021
 
ALZ056-059-060-060045-
Conecuh AL-Covington AL-Escambia AL-
704 PM CDT Tue Oct 5 2021

...A strong thunderstorm will impact portions of eastern Escambia,
southeastern Conecuh and west central Covington Counties through 745
PM CDT...

At 704 PM CDT, National Weather Service doppler radar indicated a
strong thunderstorm 15 miles southwest of Red Level, or 17 miles west
of Andalusia, moving northeast at 15 mph.

HAZARD...Winds around 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

This storm will remain over mainly rural areas of eastern Escambia,
southeastern Conecuh and west central Covington Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3106 8699 3116 8695 3124 8686 3143 8668
      3127 8648 3102 8693
TIME...MOT...LOC 0004Z 226DEG 12KT 3122 8676 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 8:41 PM CDTRiver Flood WarningMOBEscambia37 hr
Oct 5, 8:46 PM CDTRiver Flood WarningMOBEscambia12 hr
Oct 5, 8:53 PM CDTRiver Flood WarningMOBEscambia6 days
Oct 5, 11:01 PM CDTAreal Flood WarningMOBConecuh, Escambia12 hr
Oct 5, 11:31 PM CDTAreal Flood AdvisoryMOBButler, Covington, Crenshaw, Escambia4 hr
Oct 6, 12:59 AM CDTAreal Flood WarningMOBConecuh, Covington, Escambia6 hr
Oct 6, 2:45 AM CDTSpecial Marine WarningMOB90 min
Oct 6, 4:45 AM CDTSpecial Marine WarningMOB45 min
Oct 6, 10:00 AM CDTRiver Flood WarningMOBCovington, Escambia46 hr
Oct 6, 11:01 AM CDTAreal Flood WarningMOBConecuh, Escambia6 hr
Oct 6, 12:21 PM CDTRiver Flood WarningMOBCovington, Escambia17 hr
Oct 6, 4:57 PM CDTAreal Flood WarningMOBConecuh, Escambia12 hr
Oct 6, 12:12 AM CDTAreal Flood AdvisoryMOBOkaloosa4 hr
Oct 6, 1:21 AM CDTAreal Flood AdvisoryMOBSanta Rosa3 hr
Oct 6, 2:23 AM CDTSpecial Weather StatementMOBOkaloosa52 min
Oct 6, 3:00 AM CDTFlash Flood WarningMOBOkaloosa6 hr
Oct 6, 3:46 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Oct 6, 4:31 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Oct 6, 4:52 AM CDTSpecial Weather StatementMOBOkaloosa38 min
Oct 6, 5:19 AM CDTFlash Flood WarningMOBOkaloosa6 hr
Oct 6, 6:19 AM CDTDense Fog AdvisoryMOBGeorge, Greene, Perry, Stone, Wayne3 hr

Nearby

Special Weather Statements in Alabama, 2021Every special weather statement in 2021

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.