Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 103, NWS Mobile, AL

March 30, 2017Butler County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 30, 2017, 1:24 PM CDT for Butler County, Alabama. It was in force for 51 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 30, 2017, 1:24 PM CDT (18:24 UTC)
Expired
Mar 30, 2017, 2:15 PM CDT
In force
51 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Butler County, AL

The radar

The Ft Rucker radar (KEOX), 110 km from the middle of the area, began a volume at 18:27 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 30, 2:09 PM CDTHAIL 14 Ese Greenville, ALHAIL COVERING THE GROUND AND ROOF TOPS ON MASVHILLE ROAD EAST OF GREENVILLE

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.4 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, Birmingham, AL at 12:00Z on 2017-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Birmingham, AL at 12:00Z on 2017-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
5 J/kg
Mixed-layer CIN
-258 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

550 
WUUS54 KMOB 301824
SVRMOB
ALC013-301915-
/O.NEW.KMOB.SV.W.0103.170330T1824Z-170330T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
124 PM CDT THU MAR 30 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Central Butler County in south central Alabama...

* Until 215 PM CDT

* At 123 PM CDT, a severe thunderstorm was located near McKenzie, or
  9 miles northeast of Evergreen, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Greenville, Georgiana and McKenzie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3171 8644 3152 8664 3153 8683 3165 8682
      3195 8662 3184 8644 3183 8645
TIME...MOT...LOC 1823Z 214DEG 23KT 3150 8680 

HAIL...1.00IN
WIND...60MPH
 
$$

RR
2 follow-up statements
132 
WWUS54 KMOB 301847
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
147 PM CDT THU MAR 30 2017

ALC013-301915-
/O.CON.KMOB.SV.W.0103.000000T0000Z-170330T1915Z/
Butler AL-
147 PM CDT THU MAR 30 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR EASTERN BUTLER COUNTY...

At 146 PM CDT, a severe thunderstorm was located over Georgiana, or
14 miles south of Greenville, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Greenville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3171 8644 3158 8662 3159 8671 3167 8675
      3195 8662 3184 8644 3183 8645
TIME...MOT...LOC 1846Z 214DEG 23KT 3163 8670 

HAIL...1.00IN
WIND...60MPH
 
$$

RR
612 
WWUS54 KMOB 301903
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
203 PM CDT THU MAR 30 2017

ALC013-301915-
/O.CON.KMOB.SV.W.0103.000000T0000Z-170330T1915Z/
Butler AL-
203 PM CDT THU MAR 30 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR NORTHEASTERN BUTLER COUNTY...

At 203 PM CDT, a severe thunderstorm was located 7 miles south of
Greenville, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Greenville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3171 8644 3169 8655 3170 8665 3175 8671
      3195 8662 3184 8644 3183 8645
TIME...MOT...LOC 1903Z 214DEG 23KT 3172 8663 

HAIL...1.00IN
WIND...60MPH
 
$$

RR

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 5:07 AM CDTRip Current StatementMOBBaldwin, Mobile24 hr
Mar 30, 11:19 AM CDTSevere Thunderstorm WarningMOBMobile, Washington41 min
Mar 30, 11:52 AM CDTSevere Thunderstorm WarningMOBClarke, Washington38 min
Mar 30, 11:53 AM CDTSpecial Weather StatementMOBMonroe52 min
Mar 30, 11:55 AM CDTSpecial Weather StatementMOBConecuh, Escambia50 min
Mar 30, 12:08 PM CDTSpecial Marine WarningMOB97 min
Mar 30, 12:28 PM CDTSevere Thunderstorm WarningMOBMonroe, Wilcox47 min
Mar 30, 12:29 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia46 min
Mar 30, 12:38 PM CDTSpecial Weather StatementMOBMobile52 min
Mar 30, 12:45 PM CDTSpecial Weather StatementMOBMobile45 min
Mar 30, 12:58 PM CDTSevere Thunderstorm WarningMOBMonroe, Wilcox47 min
Mar 30, 1:08 PM CDTSpecial Weather StatementMOBMonroe37 min
Mar 30, 1:39 PM CDTSpecial Marine WarningMOB66 min
Mar 30, 1:41 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile18 min
Mar 30, 2:07 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw23 min
Mar 30, 2:15 PM CDTSpecial Weather StatementMOBBaldwin45 min
Mar 30, 2:18 PM CDTSpecial Marine WarningMOB87 min
Mar 30, 2:28 PM CDTSpecial Weather StatementMOBCrenshaw47 min
Mar 30, 2:33 PM CDTSpecial Weather StatementMOBMonroe, Wilcox57 min
Mar 30, 2:39 PM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Mar 30, 2:44 PM CDTAreal Flood AdvisoryMOBClarke, Monroe, Wilcox3 hr
Mar 30, 3:40 PM CDTSpecial Marine WarningMOB95 min
Mar 30, 3:41 PM CDTSpecial Marine WarningMOB64 min
Mar 30, 3:58 PM CDTSpecial Weather StatementMOBEscambia47 min
Mar 30, 5:00 PM CDTSpecial Marine WarningMOB90 min
Mar 30, 5:31 PM CDTSpecial Weather StatementMOBButler, Covington, Crenshaw59 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2017Every severe thunderstorm warning in 2017

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.