Alert archive / Alabama / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 114, NWS Mobile, AL

April 3, 20178 counties in Alabama; George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2017, 7:26 AM CDT for 8 counties in Alabama; George County, Mississippi. It was in force for 49 min. 3 reports 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
Apr 3, 2017, 7:26 AM CDT (12:26 UTC)
Expired
Apr 3, 2017, 8:15 AM CDT
In force
49 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Baldwin County, AL, Butler County, AL, Clarke County, AL, Conecuh County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, George County, MS

The radar

The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 12:29 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
Apr 3, 7:26 AM CDTHAIL 1Wilmer, ALQUARTER SIZE HAIL REPORTED VIA SOCIAL MEDIA.
Apr 3, 8:00 AM CDTTSTM WND DMGLenox, ALA BARN DAMAGED AND TREES ON A HOME
Apr 3, 8:07 AM CDTTSTM WND DMG2 Se I65 And Cr 6, ALMULTIPLE TREES DOWN ALONG COUNTY ROAD 6 NEAR COUNTY ROAD 28 AND APPLETON ROAD

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
Apr 3, 1:48 AM CDTTornado WatchSPC10 hr
Apr 3, 7:06 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 0.4 hours before the alert went out and 175 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 12:00Z on 2017-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -464 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-464 m²/s²
0-3 km storm-relative helicity
-530 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

021 
WUUS54 KMOB 031226
SVRMOB
ALC003-013-025-035-053-097-099-129-MSC039-031315-
/O.NEW.KMOB.SV.W.0114.170403T1226Z-170403T1315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
726 AM CDT MON APR 3 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Butler County in south central Alabama...
  Monroe County in south central Alabama...
  Mobile County in southwestern Alabama...
  Northwestern Baldwin County in southwestern Alabama...
  Southeastern Washington County in southwestern Alabama...
  Southeastern Clarke County in southwestern Alabama...
  Western Escambia County in south central Alabama...
  Conecuh County in south central Alabama...
  George County in southeastern Mississippi...

* Until 815 AM CDT

* At 725 AM CDT, severe thunderstorms were located along a line
  extending from 7 miles west of Frisco City to 8 miles northeast of
  Latimer, moving east at 40 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...
  Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner,
  Saraland, Bay Minette, Atmore, Monroeville, Chickasaw, Satsuma,
  Citronelle, Evergreen, Lucedale, Creola, Frisco City, Chunchula,
  Stockton, McCullough, Peterman and Gulfcrest.

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 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama...and
northwestern Florida.

LAT...LON 3058 8841 3074 8841 3074 8889 3077 8889
      3089 8879 3100 8863 3100 8843 3113 8843
      3180 8743 3170 8696 3147 8676 3100 8753
      3100 8760 3096 8759 3056 8822
TIME...MOT...LOC 1225Z 265DEG 36KT 3141 8753 3061 8880 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
869 
WWUS54 KMOB 031300
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
800 AM CDT MON APR 3 2017

ALC025-099-129-031310-
/O.CAN.KMOB.SV.W.0114.000000T0000Z-170403T1315Z/
Monroe AL-Washington AL-Clarke AL-
800 AM CDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR MONROE...SOUTHEASTERN
WASHINGTON AND SOUTHEASTERN CLARKE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama...and
northwestern Florida.

LAT...LON 3058 8841 3074 8841 3075 8875 3081 8870
      3115 8789 3115 8788 3114 8788 3126 8748
      3126 8743 3139 8731 3167 8694 3147 8676
      3100 8753 3100 8760 3096 8759 3056 8822
TIME...MOT...LOC 1300Z 266DEG 45KT 3141 8703 3065 8834 

$$

ALC003-013-035-053-097-MSC039-031315-
/O.CON.KMOB.SV.W.0114.000000T0000Z-170403T1315Z/
Butler AL-Mobile AL-Baldwin AL-Escambia AL-Conecuh AL-George MS-
800 AM CDT MON APR 3 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 AM CDT
FOR SOUTHWESTERN BUTLER...MOBILE...NORTHWESTERN BALDWIN...WESTERN
ESCAMBIA...CENTRAL CONECUH AND SOUTHEASTERN GEORGE COUNTIES...

At 800 AM CDT, severe thunderstorms were located along a line
extending from I65 And US 84 to near Tanner Williams, moving east at
50 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...
Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner, Saraland,
Bay Minette, Atmore, Chickasaw, Satsuma, Evergreen, Creola,
Chunchula, Stockton, McCullough, Gulfcrest, Axis, Mount Vernon,
Tanner Williams, Semmes and Repton.

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 900 AM CDT for southwestern
Alabama...and southeastern Mississippi. A tornado watch also remains
in effect until 100 PM CDT for south central Alabama...and
northwestern Florida.

LAT...LON 3058 8841 3074 8841 3075 8875 3081 8870
      3115 8789 3115 8788 3114 8788 3126 8748
      3126 8743 3139 8731 3167 8694 3147 8676
      3100 8753 3100 8760 3096 8759 3056 8822
TIME...MOT...LOC 1300Z 266DEG 45KT 3141 8703 3065 8834 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 3:29 AM CDTSpecial Weather StatementMOBChoctaw46 min
Apr 3, 3:41 AM CDTSevere Thunderstorm WarningMOBChoctaw49 min
Apr 3, 5:10 AM CDTSevere Thunderstorm WarningMOBWashington50 min
Apr 3, 5:45 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington45 min
Apr 3, 5:57 AM CDTSevere Thunderstorm WarningMOBClarke, Mobile, Washington48 min
Apr 3, 6:28 AM CDTSevere Thunderstorm WarningMOBClarke, Washington47 min
Apr 3, 6:43 AM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe, Washington47 min
Apr 3, 6:53 AM CDTSpecial Marine WarningMOB97 min
Apr 3, 7:27 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Apr 3, 7:45 AM CDTSpecial Weather StatementMOBBaldwin, Covington, Escambia45 min
Apr 3, 7:53 AM CDTFlash Flood WatchMOBBaldwin, Conecuh, Covington, Escambia, Mobile4 hr
Apr 3, 7:55 AM CDTFlash Flood WarningMOBMobile4 hr
Apr 3, 8:09 AM CDTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Covington, Escambia, Mobile51 min
Apr 3, 8:26 AM CDTSpecial Marine WarningMOB94 min
Apr 3, 8:26 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia64 min
Apr 3, 8:49 AM CDTSpecial Marine WarningMOB56 min
Apr 3, 8:54 AM CDTFlash Flood WarningMOBBaldwin4 hr
Apr 3, 8:54 AM CDTTornado WarningMOBCrenshaw13 min
Apr 3, 8:59 AM CDTSpecial Marine WarningMOB61 min
Apr 3, 9:00 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia, Mobile60 min
Apr 3, 9:33 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Apr 3, 9:33 AM CDTSpecial Marine WarningMOB87 min
Apr 3, 9:36 AM CDTSevere Thunderstorm WarningMOBConecuh, Covington39 min
Apr 3, 9:43 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington8 days
Apr 3, 9:43 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington9 days
Apr 3, 9:43 AM CDTSevere Thunderstorm WarningMOBBaldwin62 min
Apr 3, 10:02 AM CDTSpecial Marine WarningMOB58 min
Apr 3, 10:46 AM CDTSevere Thunderstorm WarningMOBBaldwin45 min
Apr 3, 10:55 AM CDTSpecial Marine WarningMOB2 hr
Apr 3, 12:54 PM CDTSpecial Marine WarningMOB66 min
Apr 3, 1:55 PM CDTSpecial Marine WarningMOB2 hr
Apr 3, 3:51 PM CDTSpecial Marine WarningMOB114 min
Apr 3, 5:38 PM CDTSpecial Marine WarningMOB67 min
Apr 3, 4:53 AM CDTSpecial Weather StatementMOBGreene, Perry52 min
Apr 3, 5:20 AM CDTSevere Thunderstorm WarningMOBPerry, Stone40 min
Apr 3, 5:22 AM CDTAreal Flood AdvisoryMOBWayne3 hr
Apr 3, 6:03 AM CDTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone3 hr
Apr 3, 7:04 AM CDTFlash Flood WarningMOBGeorge, Greene, Stone3 hr
Apr 3, 10:59 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne9 days

Nearby

Severe Thunderstorm Warnings in Alabama, 2017Severe Thunderstorm Warnings in Mississippi, 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.