Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 205, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 30, 2017, 12:33 PM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2017, 12:33 PM CDT (17:33 UTC)
- Expired
- Aug 30, 2017, 1:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Mobile County, AL, George County, MS
The radar
The Mobile radar (KMOB), 20 km from the middle of the area, began a volume at 17:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 30, 10:22 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.6 hours before the alert went out and 136 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
- 1853 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 13.7
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 30, 11:53 AM CDT, 40 minutes earlier.
Area forecast discussion, Aug 30, 11:53 AM CDT, 40 minutes before
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</html>Hazardous weather outlook, Aug 30, 8:39 AM CDT, 3 hours 54 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Mobile AL 839 AM CDT Wed Aug 30 2017 ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-311345- 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- 839 AM 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...Today and Tonight Locally heavy rainfall possible through tonight across southeast Mississippi, southwest Alabama and the western Florida panhandle. Some of the rains have the potential of producing localized flash flooding. As rain bands spread northward off the Gulf, a few tornadoes are possible, generally west of the Alabama River and along the coastal counties. Rip current risk will remain high and a High Surf Advisory is in effect for coastal Alabama and northwest Florida beaches through tonight. Coastal Flood Advisory in effect for the Alabama coast. High Surf Advisory for coastal Alabama and northwest Florida beaches through tonight. Breezy to windy conditions are expected across the coastal areas of Alabama and the western Florida panhandle through tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Locally heavy rainfall possible Thursday across southeast Mississippi, southwest Alabama and the western Florida panhandle. Some of the rains have the potential of producing localized flash flooding. As rain bands spread northward off the Gulf, a few tornadoes are possible across much of the area. Rip current risk will remain high and a High Surf Advisory is in effect for coastal Alabama and northwest Florida beaches on Thursday. Coastal Flood Advisory in effect for the Alabama coast on Thursday. Breezy to windy conditions are expected across the coastal areas of Alabama and the western Florida panhandle on Thursday. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of SkyWarn Severe Storm Spotter networks is not expected through Tuesday. GMZ630>635-650-655-670-675-311345- 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- 839 AM CDT Wed Aug 30 2017 This Hazardous Weather Outlook is for portions of the coastal waters of Alabama and northwest Florida. .DAY ONE...Today and Tonight A moderate to strong onshore flow and building seas will create hazardous conditions for small craft through tonight as Tropical Storm Harvey lifts north-northeast over Louisiana. Waterspouts are likley in the heavier rain bands. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A moderate to strong onshore flow and high seas will persist through Thursday evening, creating hazardous conditions for small craft as Tropical Storm Harvey continues to move north-northeast across northeast Louisiana and northern Mississippi. A few waterspouts are possible in the heavier rain bands.
In the hours before
Special weather statement, Aug 30, 6:36 AM CDT, 5 hours 57 minutes before
Special Weather Statement National Weather Service Mobile AL 636 AM CDT WED AUG 30 2017 FLZ202>204-301215- Santa Rosa Coastal FL-Escambia Coastal FL-Santa Rosa Inland FL- 636 AM CDT WED AUG 30 2017 ...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL SANTA ROSA AND SOUTH CENTRAL ESCAMBIA COUNTIES UNTIL 715 AM CDT... At 636 AM CDT, the strong thunderstorm was located over Pensacola, moving north at 15 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Pensacola, Ferry Pass, Brent, Pace, Milton, Goulding, Bagdad, Pea Ridge, Roeville, Floridatown and Point Baker. 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 3042 8724 3074 8724 3067 8692 3039 8712 TIME...MOT...LOC 1136Z 193DEG 15KT 3043 8717
Special weather statement, Aug 30, 6:59 AM CDT, 5 hours 34 minutes before
Special Weather Statement National Weather Service Mobile AL 659 AM CDT WED AUG 30 2017 ALZ266-FLZ201-202-301245- Baldwin Coastal AL-Escambia Inland FL-Escambia Coastal FL- 659 AM CDT WED AUG 30 2017 ...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...EASTERN BALDWIN AND SOUTH CENTRAL ESCAMBIA COUNTIES UNTIL 745 AM CDT... At 659 AM CDT, the strong thunderstorm was located near Lillian, or 7 miles west of Warrington, moving northeast at 25 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Ferry Pass, Brent, West Pensacola, Ensley, Lillian and Myrtle Grove. 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 3032 8748 3061 8740 3052 8717 3028 8736 TIME...MOT...LOC 1159Z 206DEG 23KT 3035 8740
Special weather statement, Aug 30, 7:36 AM CDT, 4 hours 57 minutes before
Special Weather Statement
National Weather Service Mobile AL
736 AM CDT WED AUG 30 2017
FLZ202>204-301315-
Santa Rosa Coastal FL-Escambia Coastal FL-Santa Rosa Inland FL-
736 AM CDT WED AUG 30 2017
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
SANTA ROSA AND CENTRAL ESCAMBIA COUNTIES UNTIL 815 AM CDT...
At 735 AM CDT, the strong thunderstorm was located near Ferry Pass,
moving northeast at 35 mph.
Winds in excess of 30 mph will be possible with this storm.
Locations impacted include...
Ferry Pass, Pace, Milton, Bagdad, Pea Ridge, Roeville, Floridatown
and Point Baker.
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 3041 8713 3051 8727 3086 8697 3072 8679
3066 8679
TIME...MOT...LOC 1235Z 221DEG 30KT 3051 8714Local storm report, Aug 30, 9:54 AM CDT, 2 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
954 AM CDT WED AUG 30 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM COASTAL FLOOD 3 ESE DOWNTOWN MOBILE 30.68N 87.99W
08/30/2017 BALDWIN AL BROADCAST MEDIA
COASTAL FLOODING ON THE CAUSEWAY GOING OVER MOBILE BAY.
PICTURES AND VIDEOS OF FLOODING VIA MEDIA AND SOCIAL
MEDIA.
0715 AM FLASH FLOOD PENSACOLA 30.42N 87.19W
08/30/2017 ESCAMBIA FL PUBLIC
MULTIPLE REPORTS AND PICTURES OF FLOODING IN THE
PENSACOLA AREA VIA SOCIAL MEDIA.
0730 AM FLASH FLOOD 1 WNW HOLLINGERS ISLAND 30.55N 88.12W
08/30/2017 MOBILE AL PUBLIC
MULTIPLE REPORTS OF WATER OVER ROADS IN SOUTHERN MOBILE
COUNTY VIA SOCIAL MEDIA.
0730 AM FLASH FLOOD 1 S AIRPORT AND UNIVERS 30.67N 88.17W
08/30/2017 MOBILE AL PUBLIC
REPORTS OF FLOODING ALONG UNIVERSITY BLVD IN WEST MOBILE
VIA SOCIAL MEDIA.
0805 AM FLASH FLOOD ORANGE BEACH 30.30N 87.58W
08/30/2017 BALDWIN AL LAW ENFORCEMENT
MULTIPLE ROAD CLOSURES DUE TO FLASH FLOODING IN ORANGE
BEACH VIA SOCIAL MEDIA.
0820 AM FLASH FLOOD MILTON 30.62N 87.03W
08/30/2017 SANTA ROSA FL COUNTY OFFICIAL
SEVERAL ROADS CLOSED DUE TO FLOODING. REPORTS VIA SOCIAL
MEDIA.
0840 AM FLASH FLOOD 2 E POINT CLEAR 30.47N 87.89W
08/30/2017 BALDWIN AL PUBLIC
SEVERAL REPORTS OF FLOODING ALONG HWY 98 NEAR FAIRHOPE
AND POINT CLEAR VIA SOCIAL MEDIA.
&&
MBThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:32 PM CDT | Flash Flood Warning | MOB | Mobile | 4 hr |
| Aug 29, 8:01 PM CDT | River Flood Warning | MOB | Baldwin | 41 hr |
| Aug 29, 8:03 PM CDT | River Flood Warning | MOB | Baldwin | 63 hr |
| Aug 29, 8:07 PM CDT | River Flood Warning | MOB | Baldwin | 3 days |
| Aug 30, 1:36 AM CDT | Special Marine Warning | MOB | 54 min | |
| Aug 30, 1:59 AM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 30, 2:31 AM CDT | Special Marine Warning | MOB | 59 min | |
| Aug 30, 2:41 AM CDT | Special Marine Warning | MOB | 64 min | |
| Aug 30, 2:52 AM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Aug 30, 3:28 AM CDT | Special Marine Warning | MOB | 92 min | |
| Aug 30, 3:42 AM CDT | Special Weather Statement | MOB | Mobile | 48 min |
| Aug 30, 3:44 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 4:07 AM CDT | Special Weather Statement | MOB | Baldwin | 38 min |
| Aug 30, 4:14 AM CDT | Special Weather Statement | MOB | Baldwin | 46 min |
| Aug 30, 4:15 AM CDT | Wind Advisory | MOB | Baldwin, Mobile | 38 hr |
| Aug 30, 4:18 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 42 min |
| Aug 30, 4:21 AM CDT | Tornado Warning | MOB | Baldwin | 24 min |
| Aug 30, 4:59 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 5:06 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 5:31 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 5:38 AM CDT | Special Marine Warning | MOB | 82 min | |
| Aug 30, 6:35 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 6:55 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 7:07 AM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 35 hr |
| Aug 30, 7:07 AM CDT | High Surf Advisory | MOB | Baldwin, Mobile | 35 hr |
| Aug 30, 7:23 AM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Aug 30, 7:32 AM CDT | Flash Flood Warning | MOB | Mobile | 3 hr |
| Aug 30, 7:41 AM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Aug 30, 8:30 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Aug 30, 8:51 AM CDT | Special Marine Warning | MOB | 114 min | |
| Aug 30, 12:45 PM CDT | Special Marine Warning | MOB | 90 min | |
| Aug 30, 12:52 PM CDT | River Flood Warning | MOB | Escambia | 63 hr |
| Aug 30, 12:54 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 66 min |
| Aug 30, 12:59 PM CDT | Tornado Warning | MOB | Washington | 22 min |
| Aug 30, 1:06 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile, Washington | 39 min |
| Aug 30, 1:17 PM CDT | River Flood Warning | MOB | Covington, Escambia | 48 hr |
| Aug 30, 1:30 PM CDT | River Flood Warning | MOB | Mobile | 42 hr |
| Aug 30, 1:46 PM CDT | Special Weather Statement | MOB | Washington | 44 min |
| Aug 30, 1:59 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 46 min |
| Aug 30, 3:01 PM CDT | Special Weather Statement | MOB | Mobile | 29 min |
| Aug 30, 3:12 PM CDT | Special Weather Statement | MOB | Baldwin | 48 min |
| Aug 30, 3:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| Aug 30, 3:28 PM CDT | Special Weather Statement | MOB | Monroe | 47 min |
| Aug 30, 3:35 PM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 30, 3:56 PM CDT | Special Weather Statement | MOB | Monroe | 64 min |
| Aug 30, 4:14 PM CDT | Special Marine Warning | MOB | 31 min | |
| Aug 30, 4:20 PM CDT | Tornado Warning | MOB | Baldwin | 25 min |
| Aug 30, 4:39 PM CDT | Special Weather Statement | MOB | Covington | 66 min |
| Aug 30, 4:53 PM CDT | Special Marine Warning | MOB | 97 min | |
| Aug 30, 4:58 PM CDT | Special Weather Statement | MOB | Crenshaw | 47 min |
| Aug 30, 5:10 PM CDT | Special Weather Statement | MOB | Butler | 50 min |
| Aug 30, 5:15 PM CDT | Tornado Warning | MOB | Crenshaw | 45 min |
| Aug 30, 5:45 PM CDT | Special Weather Statement | MOB | Escambia | 45 min |
| Aug 30, 6:51 PM CDT | Tornado Warning | MOB | Washington | 39 min |
| Aug 29, 8:12 PM CDT | River Flood Warning | MOB | Okaloosa | 3 days |
| Aug 30, 5:49 AM CDT | Special Weather Statement | MOB | Escambia | 41 min |
| Aug 30, 6:36 AM CDT | Special Weather Statement | MOB | Santa Rosa | 39 min |
| Aug 30, 6:59 AM CDT | Special Weather Statement | MOB | Escambia | 46 min |
| Aug 30, 7:07 AM CDT | Flash Flood Warning | MOB | Escambia | 3 hr |
| Aug 30, 7:36 AM CDT | Special Weather Statement | MOB | Santa Rosa | 39 min |
| Aug 30, 7:54 AM CDT | Flash Flood Warning | MOB | Santa Rosa | 3 hr |
| Aug 30, 9:55 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 3 hr |
| Aug 30, 10:08 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 112 min |
| Aug 30, 11:02 AM CDT | Areal Flood Advisory | MOB | Santa Rosa | 3 hr |
| Aug 30, 11:27 AM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 3 days |
| Aug 30, 4:11 PM CDT | Special Weather Statement | MOB | Escambia | 49 min |
| Aug 30, 10:26 AM CDT | Tornado Warning | MOB | Stone | 19 min |
| Aug 30, 11:34 AM CDT | Tornado Warning | MOB | George | 26 min |
| Aug 30, 11:49 AM CDT | Tornado Warning | MOB | Perry | 41 min |
| Aug 30, 11:59 AM CDT | Tornado Warning | MOB | George, Greene | 46 min |
| Aug 30, 1:10 PM CDT | Special Weather Statement | MOB | Perry, Stone | 50 min |
| Aug 30, 1:20 PM CDT | Severe Thunderstorm Warning | MOB | Perry, Stone | 40 min |
| Aug 30, 2:04 PM CDT | Special Weather Statement | MOB | Greene, Wayne | 56 min |
| Aug 30, 5:49 PM CDT | Special Weather Statement | MOB | George | 41 min |
| Aug 30, 6:41 PM CDT | Special Weather Statement | MOB | Greene | 49 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.