Alert archive / Alabama / Flash Flood Warnings in 2017
Flash Flood Warning 92, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Oct 27, 2017, 11:01 PM CDT for Baldwin County, Alabama. It was in force for 6 hr. 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
- Oct 27, 2017, 11:01 PM CDT (04:01 UTC)
- Expired
- Oct 28, 2017, 5:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 63 km from the middle of the area, began a volume at 04:02 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 28, 2:00 AM CDT | FLASH FLOOD | 4 S Foley, AL | Water flowing over the roadway on CR 12 between Hwy 59 and James Road. Flooding also reported at Hwy 59 and CR 20, Hwy 98 and Pine Street, and Hwy 98 East at Poplar and Juniper Streets. Relayed by Foley Police Department. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 4.0 hours before the alert went out and 196 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
- 153 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1013 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.9
The text
As transmitted.
383 WGUS54 KMOB 280401 FFWMOB ALC003-281000- /O.NEW.KMOB.FF.W.0092.171028T0401Z-171028T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Mobile AL 1101 PM CDT FRI OCT 27 2017 The National Weather Service in Mobile has issued a * Flash Flood Warning for... South central Baldwin County in southwestern Alabama... * Until 500 AM CDT * At 1101 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to three inches of rain have already fallen. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Foley, Magnolia Springs, Bon Secour, Summerdale and Elberta. Additional rainfall amounts of two to three inches are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3040 8753 3026 8774 3038 8788 3055 8767 $$
3 follow-up statements
474 WGUS74 KMOB 280447 FFSMOB Flash Flood Statement National Weather Service Mobile AL 1147 PM CDT FRI OCT 27 2017 ALC003-281000- /O.CON.KMOB.FF.W.0092.000000T0000Z-171028T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin AL- 1147 PM CDT FRI OCT 27 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTH CENTRAL BALDWIN COUNTY... At 1146 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to four inches of rain have already fallen. Flash flooding is expected to begin shortly, if not already occurring. Some locations that will experience flooding include... Foley, Magnolia Springs, Bon Secour, Summerdale and Elberta. Additional rainfall amounts of one to two inches are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3040 8753 3026 8774 3038 8788 3055 8767 $$
690 WGUS74 KMOB 280600 FFSMOB Flash Flood Statement National Weather Service Mobile AL 100 AM CDT SAT OCT 28 2017 ALC003-281000- /O.CON.KMOB.FF.W.0092.000000T0000Z-171028T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin AL- 100 AM CDT SAT OCT 28 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTH CENTRAL BALDWIN COUNTY... At 1259 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. the rain has ended over the warned area, with up to five inches of rain having already fallen. Flash flooding is expected to begin shortly, if not already occurring. Some locations that will experience flooding include... Foley, Magnolia Springs, Bon Secour, Summerdale and Elberta. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3040 8753 3026 8774 3038 8788 3055 8767 $$
612 WGUS74 KMOB 280813 FFSMOB Flash Flood Statement National Weather Service Mobile AL 313 AM CDT SAT OCT 28 2017 ALC003-280823- /O.CAN.KMOB.FF.W.0092.000000T0000Z-171028T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin AL- 313 AM CDT SAT OCT 28 2017 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL BALDWIN COUNTY IS CANCELLED... The heavy rain has ended. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3040 8753 3026 8774 3038 8788 3055 8767 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 10:44 PM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Oct 27, 11:37 PM CDT | Special Marine Warning | MOB | 53 min | |
| Oct 28, 12:28 AM CDT | Special Marine Warning | MOB | 62 min | |
| Oct 28, 12:53 AM CDT | Special Marine Warning | MOB | 52 min | |
| Oct 28, 1:42 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Oct 28, 1:52 AM CDT | Flash Flood Warning | MOB | Baldwin | 3 hr |
| Oct 28, 2:06 AM CDT | Special Marine Warning | MOB | 54 min | |
| Oct 28, 2:42 AM CDT | Special Marine Warning | MOB | 93 min | |
| Oct 28, 2:58 AM CDT | Special Marine Warning | MOB | 92 min | |
| Oct 28, 5:06 AM CDT | Small Craft Advisory | MOB | 34 hr | |
| Oct 28, 3:57 PM CDT | Frost Advisory | MOB | Choctaw | 16 hr |
Nearby
Flash Flood Warnings in Alabama, 2017Every flash flood 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.