Alert archive / Alabama / Tropical Storm Warnings in 2020
Tropical Storm Warning 1019, NWS Mobile, AL
NWS Mobile, AL issued this tropical storm warning at Sep 13, 2020, 4:27 AM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It was in force for 4 days. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 13, 2020, 4:27 AM CDT (09:27 UTC)
- Expired
- Sep 16, 2020, 7:59 PM CDT
- In force
- 4 days
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 09:29 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.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.5 hours before the alert went out and 223 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
- 1153 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this tropical storm 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 tropical storm warning went out at Sep 12, 11:49 PM CDT, 4 hours 38 minutes earlier.
Area forecast discussion, Sep 12, 11:49 PM CDT, 4 hours 38 minutes before
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 7:51 PM CDT | Special Weather Statement | MOB | Washington | 39 min |
| Sep 12, 8:04 PM CDT | Special Weather Statement | MOB | Baldwin | 41 min |
| Sep 12, 8:36 PM CDT | Special Marine Warning | MOB | 84 min | |
| Sep 12, 8:46 PM CDT | Special Marine Warning | MOB | 89 min | |
| Sep 13, 4:41 AM CDT | High Surf Warning | MOB | Baldwin, Mobile | 4 days |
| Sep 13, 4:46 AM CDT | Hurricane Warning | MOB | Baldwin, Escambia, Mobile | 3 days |
| Sep 13, 4:01 PM CDT | Special Weather Statement | MOB | Baldwin | 44 min |
| Sep 13, 4:05 PM CDT | Special Marine Warning | MOB | 85 min | |
| Sep 13, 4:12 PM CDT | Special Marine Warning | MOB | 63 min | |
| Sep 13, 4:15 PM CDT | Special Marine Warning | MOB | 45 min | |
| Sep 13, 4:54 PM CDT | Special Marine Warning | MOB | 96 min | |
| Sep 13, 6:08 PM CDT | Special Weather Statement | MOB | Baldwin, Escambia | 67 min |
| Sep 13, 6:19 PM CDT | Special Weather Statement | MOB | Covington | 56 min |
| Sep 13, 6:25 PM CDT | Special Weather Statement | MOB | Covington | 65 min |
| Sep 13, 6:57 PM CDT | Special Weather Statement | MOB | Baldwin | 63 min |
| Sep 13, 4:41 AM CDT | Coastal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 35 hr |
| Sep 13, 4:31 PM CDT | Special Weather Statement | MOB | Okaloosa, Santa Rosa | 74 min |
| Sep 13, 6:12 PM CDT | Special Weather Statement | MOB | Santa Rosa | 48 min |
Nearby
Tropical Storm Warnings in Alabama, 2020Tropical Storm Warnings in Mississippi, 2020Tropical Storm Warnings in Florida, 2020Every tropical storm warning in 2020
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.