Alert archive / Alabama / Special Weather Statements in 2017
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Aug 31, 2017, 4:38 AM CDT for Mobile County, Alabama. It was in force for 37 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
- Aug 31, 2017, 4:38 AM CDT (09:38 UTC)
- Expired
- Aug 31, 2017, 5:15 AM CDT
- In force
- 37 min
- Issued by
- NWS Mobile, AL
County Mobile County, AL
The radar
The Mobile radar (KMOB), 21 km from the middle of the area, began a volume at 09:39 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, 9.6 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 251 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1133 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Aug 31, 12:12 AM CDT, 4 hours 26 minutes earlier.
Area forecast discussion, Aug 31, 12:12 AM CDT, 4 hours 26 minutes before
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</html>Hazardous weather outlook, Aug 30, 3:58 PM CDT, 12 hours 40 minutes before
Hazardous Weather Outlook National Weather Service Mobile AL 358 PM CDT Wed Aug 30 2017 ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-312100- Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central- Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland- Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal- Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George- 358 PM CDT Wed Aug 30 2017 This Hazardous Weather Outlook is for portions of south central Alabama...southwest Alabama...northwest Florida and southeast Mississippi. .DAY ONE...This Afternoon and Tonight Isolated flash flooding is possible, mainly across areas east of Interstate 65. A Flash Flood Watch is in effect. High surf and a high risk of rip currents will continue to impact local beaches. A High Surf Advisory is in effect. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Isolated flash flooding will remain possible through Thursday morning east of Interstate 65. High surf and a high risk of rip currents will continue to impact local beaches through Thursday. Minor coastal flooding is possible in the typically flood prone locations Thursday morning during the time of high tide. A Coastal Flood Advisory is in effect. .SPOTTER INFORMATION STATEMENT... Skywarn spotters are encouraged to relay any flooding reports to the National Weather Service in Mobile. GMZ630>635-650-655-670-675-312100- Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Perdido Bay-Pensacola Bay System-Choctawhatchee Bay- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Destin to Pensacola FL out 20 NM- Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Destin to Pensacola FL from 20 to 60 NM- 358 PM CDT Wed Aug 30 2017 This Hazardous Weather Outlook is for portions of the coastal waters of Alabama and northwest Florida. .DAY ONE...This Afternoon and Tonight A Small Craft Advisory is in effect for strong southerly winds and high seas. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A Small Craft Advisory is in effect through Thursday night for strong southerly winds and high seas.
In the hours before
Special weather statement, Aug 31, 3:11 AM CDT, 1 hour 27 minutes before
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</html>Local storm report, Aug 31, 3:19 AM CDT, 1 hour 19 minutes before
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</html>Local storm report, Aug 31, 3:26 AM CDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
326 AM CDT THU AUG 31 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0850 AM TSTM WND GST GULF BREEZE 30.36N 87.20W
08/30/2017 M42 MPH SANTA ROSA FL MESONET
WEATHER FLOW SITE AT GULF BREEZE XGBZ WITHIN 1 MILE OF
THE COAST RECORDED A 42MPH WIND GUST WITH THUNDERSTORM
PASSAGE
&&
RROGERSSpecial weather statement, Aug 31, 4:38 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Mobile AL
438 AM CDT THU AUG 31 2017
ALZ261-263-265-311015-
Mobile Coastal AL-Mobile Central AL-Mobile Inland AL-
438 AM CDT THU AUG 31 2017
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
MOBILE COUNTY UNTIL 515 AM CDT...
At 437 AM CDT, the strong thunderstorm was located near Tillmans
Corner, moving north at 45 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Midtown Mobile, Downtown Mobile, Prichard, Tillmans Corner, Saraland,
Theodore, Chickasaw, Satsuma, Creola, Chunchula, Gulfcrest, Axis,
Semmes, I65 And I165, Mobile Regional Airport, I65 And AL 158 and I10
And I65.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3050 8835 3104 8830 3096 8793 3090 8796
3089 8798 3088 8797 3088 8798 3087 8798
3087 8797 3086 8798 3080 8800 3046 8816
TIME...MOT...LOC 0937Z 197DEG 38KT 3059 8824The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 7:31 PM CDT | Special Weather Statement | MOB | Washington | 44 min |
| Aug 31, 1:17 AM CDT | Special Marine Warning | MOB | 43 min | |
| Aug 31, 2:17 AM CDT | Special Marine Warning | MOB | 28 min | |
| Aug 31, 3:11 AM CDT | Special Weather Statement | MOB | Covington | 34 min |
| Aug 31, 4:40 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 31, 4:50 AM CDT | Areal Flood Advisory | MOB | Covington | 3 hr |
| Aug 31, 6:35 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 31, 6:45 AM CDT | Special Marine Warning | MOB | 60 min | |
| Aug 31, 7:16 AM CDT | Special Weather Statement | MOB | Covington | 59 min |
| Aug 31, 7:37 AM CDT | Areal Flood Advisory | MOB | Covington, Escambia | 3 hr |
| Aug 31, 8:00 AM CDT | Special Marine Warning | MOB | 60 min | |
| Aug 31, 8:01 AM CDT | Special Weather Statement | MOB | Covington | 59 min |
| Aug 31, 9:02 AM CDT | Special Marine Warning | MOB | 58 min | |
| Aug 31, 9:06 AM CDT | Special Marine Warning | MOB | 54 min | |
| Aug 31, 9:46 AM CDT | Special Marine Warning | MOB | 44 min | |
| Aug 31, 10:00 AM CDT | Special Marine Warning | MOB | 60 min | |
| Aug 31, 10:20 AM CDT | Special Weather Statement | MOB | Choctaw | 40 min |
| Aug 31, 11:03 AM CDT | Special Marine Warning | MOB | 57 min | |
| Aug 31, 11:06 AM CDT | Special Weather Statement | MOB | Choctaw | 39 min |
| Aug 31, 11:37 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 38 min |
| Aug 31, 12:56 PM CDT | Special Marine Warning | MOB | 64 min | |
| Aug 31, 3:03 PM CDT | River Flood Warning | MOB | Covington, Escambia | 54 hr |
| Aug 31, 3:06 PM CDT | River Flood Warning | MOB | Baldwin | 22 hr |
| Aug 31, 3:46 PM CDT | Special Weather Statement | MOB | Wilcox | 14 min |
| Aug 31, 7:10 AM CDT | Special Weather Statement | MOB | Santa Rosa | 35 min |
| Aug 31, 9:31 AM CDT | Special Weather Statement | MOB | Okaloosa | 29 min |
| Aug 31, 9:48 AM CDT | Special Weather Statement | MOB | Okaloosa | 42 min |
| Aug 31, 10:16 AM CDT | Flash Flood Warning | MOB | Okaloosa | 3 hr |
| Aug 31, 10:33 AM CDT | River Flood Warning | MOB | Okaloosa | 3 days |
| Aug 31, 10:54 AM CDT | Areal Flood Advisory | MOB | Okaloosa | 51 min |
| Aug 31, 1:36 PM CDT | Special Weather Statement | MOB | Wayne | 39 min |
Nearby
Special Weather Statements in Alabama, 2017Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.