Alert archive / Alabama / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Mobile, AL

March 3, 2019Covington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 3, 2019, 3:20 PM CST for Covington County, Alabama. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 3, 2019, 3:20 PM CST (21:20 UTC)
Expired
Mar 3, 2019, 4:00 PM CST
In force
40 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Covington County, AL

The radar

The Eglin Afb radar (KEVX), 73 km from the middle of the area, began a volume at 21:23 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.

What was reported inside it

TimeReportWhereRemark
Mar 3, 3:35 PM CSTTSTM WND DMG4 Wsw Red Oak, ALSEVERAL TREES DOWN ALONG OPEN POND RD WITH ONE FALLING ON A CAR. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 3, 11:03 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.3 hours before the alert went out and 215 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, Tallahassee Rgnl, FL at 12:00Z on 2019-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 260 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, Tallahassee Rgnl, FL at 12:00Z on 2019-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
260 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

900 
WUUS54 KMOB 032120
SVRMOB
ALC039-032200-
/O.NEW.KMOB.SV.W.0021.190303T2120Z-190303T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
320 PM CST SUN MAR 3 2019

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southern Covington County in south central Alabama...

* Until 400 PM CST.

* At 319 PM CST, a severe thunderstorm was located 6 miles northwest
  of Laurel Hill, or 12 miles west of Florala, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Florala and Lockhart. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 600 PM CST for south central
Alabama.

LAT...LON 3100 8644 3100 8669 3118 8655 3119 8619
      3099 8619
TIME...MOT...LOC 2119Z 267DEG 34KT 3104 8653 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
542 
WWUS54 KMOB 032131
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
331 PM CST SUN MAR 3 2019

ALC039-032200-
/O.CON.KMOB.SV.W.0021.000000T0000Z-190303T2200Z/
Covington AL-
331 PM CST SUN MAR 3 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR SOUTHERN COVINGTON COUNTY...

At 331 PM CST, a severe thunderstorm was located near Lockhart, or 4
miles northwest of Florala, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Florala and Lockhart. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 600 PM CST for south central
Alabama.

LAT...LON 3100 8644 3100 8669 3118 8655 3119 8619
      3099 8619
TIME...MOT...LOC 2131Z 267DEG 34KT 3105 8639 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 11:12 AM CSTSpecial Weather StatementMOBChoctaw63 min
Mar 3, 11:23 AM CSTSpecial Weather StatementMOBChoctaw52 min
Mar 3, 11:52 AM CSTSevere Thunderstorm WarningMOBWashington38 min
Mar 3, 11:55 AM CSTSpecial Weather StatementMOBChoctaw, Clarke50 min
Mar 3, 12:23 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington52 min
Mar 3, 12:51 PM CSTTornado WarningMOBClarke, Washington24 min
Mar 3, 1:09 PM CSTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe, Wilcox51 min
Mar 3, 1:12 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe, Washington48 min
Mar 3, 1:33 PM CSTTornado WarningMOBWashington27 min
Mar 3, 1:49 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Crenshaw, Monroe, Wilcox41 min
Mar 3, 1:52 PM CSTTornado WarningMOBConecuh, Monroe23 min
Mar 3, 1:55 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe50 min
Mar 3, 2:13 PM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia47 min
Mar 3, 2:23 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw67 min
Mar 3, 2:30 PM CSTSpecial Weather StatementMOBMobile60 min
Mar 3, 2:31 PM CSTTornado WarningMOBButler, Crenshaw29 min
Mar 3, 2:38 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia52 min
Mar 3, 2:48 PM CSTSpecial Marine WarningMOB57 min
Mar 3, 2:53 PM CSTTornado WarningMOBButler, Covington, Crenshaw23 min
Mar 3, 3:01 PM CSTSpecial Marine WarningMOB89 min
Mar 3, 3:04 PM CSTSpecial Weather StatementMOBBaldwin, Mobile56 min
Mar 3, 3:21 PM CSTSpecial Marine WarningMOB84 min
Mar 3, 3:25 PM CSTSevere Thunderstorm WarningMOBCovington50 min
Mar 3, 3:29 PM CSTSevere Thunderstorm WarningMOBCovington46 min
Mar 3, 3:57 PM CSTSpecial Marine WarningMOB79 min
Mar 3, 4:07 PM CSTSpecial Marine WarningMOB81 min
Mar 3, 4:09 PM CSTSpecial Marine WarningMOB36 min
Mar 3, 4:28 PM CSTSpecial Marine WarningMOB62 min
Mar 3, 5:00 PM CSTSpecial Marine WarningMOB60 min
Mar 3, 5:45 PM CSTSpecial Marine WarningMOB90 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.