Alert archive / Alabama / Flash Flood Watches in 2021
Flash Flood Watch 4, NWS Mobile, AL
NWS Mobile, AL issued this flash flood watch at Apr 13, 2021, 2:43 AM CDT for Baldwin County, Mobile County, Alabama; George County, Stone County, Mississippi. It took effect at Apr 14, 2021, 10:00 AM CDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2021, 2:43 AM CDT (07:43 UTC)
- In effect from
- Apr 14, 2021, 10:00 AM CDT
- Expired
- Apr 15, 2021, 10:00 AM CDT
- In force
- 24 hr
- Issued by
- NWS Mobile, AL
- Flood severity
- None
Counties Baldwin County, AL, Mobile County, AL, George County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 20 km from the middle of the area, began a volume at 07:43 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, 7.7 hours before the alert went out and 134 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2670 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
709 WGUS64 KMOB 130743 FFAMOB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mobile AL 243 AM CDT Tue Apr 13 2021 ALZ261-263-265-MSZ078-079-131545- /O.NEW.KMOB.FF.A.0004.210414T0900Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Wiggins, Lucedale, Mobile, Citronelle, Dauphin Island, Theodore, Grand Bay, Saraland, Bayou La Batre, and Prichard 243 AM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... The National Weather Service in Mobile has issued a * Flash Flood Watch for Portions of southwest Alabama, including the following areas, Mobile Central, Mobile Coastal and Mobile Inland. Portions of southeast Mississippi, including the following areas, George and Stone. * From late tonight through Thursday morning. * An expansive area of showers and thunderstorms is forecast to form this afternoon and evening just to the southwest of the watch area and move across the watch area overnight. Ground conditions are saturated locally from last weekend's rainfall. Some of the rain could be heavy at times and the watch may later be expanded eastward. There is still some uncertainty as to exactly where the thunderstorm complex will form and move over. Another round of rainfall along and ahead of a cold front will make for a second round of rain across the same area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
8 follow-up statements
759 WGUS64 KMOB 131613 FFAMOB Flood Watch National Weather Service Mobile AL 1113 AM CDT Tue Apr 13 2021 ALZ261-263-265-MSZ078-079-140100- /O.CON.KMOB.FF.A.0004.210414T0900Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Citronelle, Saraland, Mobile, Prichard, Theodore, Bayou La Batre, Dauphin Island, Grand Bay, Wiggins, and Lucedale 1113 AM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * Portions of southwest Alabama and southeast Mississippi, including the following areas, in southwest Alabama, Mobile Central, Mobile Coastal, and Mobile Inland. In southeast Mississippi, George and Stone. * From late tonight through Thursday morning * An expansive area of showers and thunderstorms is forecast to form this afternoon and evening just to the southwest of the watch area and move across the watch area overnight. Ground conditions are saturated locally from last weekend's rainfall. Some of the rain could be heavy at times and the watch may later be expanded eastward. There is still some uncertainty as to exactly where the thunderstorm complex will form and move over. Another round of rainfall along and ahead of a cold front will make for a second round of rain across the same area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
472 WGUS64 KMOB 131848 FFAMOB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mobile AL 148 PM CDT Tue Apr 13 2021 ALZ262-264-266-140300- /O.EXA.KMOB.FF.A.0004.210414T0900Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin Inland-Baldwin Central-Baldwin Coastal- Including the cities of Stockton, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Fort Morgan, Gulf Shores, and Orange Beach 148 PM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... The National Weather Service in Mobile has expanded the * Flash Flood Watch to include a portion of southwest Alabama, including the following areas, Baldwin Central, Baldwin Coastal, and Baldwin Inland. * From late tonight through Thursday morning * An expansive area of showers and thunderstorms is forecast to form tonight to the northwest of the watch area and move across the watch area on Wednesday. Ground conditions are saturated from last weekend's rainfall. Some of the rain could be heavy at times. There is still some uncertainty as to exactly where the thunderstorm complex will form and move over. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ261-263-265-MSZ078-079-140300- /O.CON.KMOB.FF.A.0004.210414T0900Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Citronelle, Saraland, Mobile, Prichard, Theodore, Bayou La Batre, Dauphin Island, Grand Bay, Wiggins, and Lucedale 148 PM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * Portions of southwest Alabama and southeast Mississippi, including the following areas, in southwest Alabama, Mobile Central, Mobile Coastal, and Mobile Inland. In southeast Mississippi, George and Stone. * From late tonight through Thursday morning * An expansive area of showers and thunderstorms is forecast to form tonight to the northwest of the watch area and move across the watch area on Wednesday. Ground conditions are saturated from last weekend's rainfall. Some of the rain could be heavy at times. There is still some uncertainty as to exactly where the thunderstorm complex will form and move over. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
013 WGUS64 KMOB 140338 FFAMOB URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mobile AL 1038 PM CDT Tue Apr 13 2021 ALZ261-263-265-MSZ078-079-141145- /O.EXT.KMOB.FF.A.0004.210414T1500Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Wiggins, Lucedale, Mobile, Citronelle, Dauphin Island, Theodore, Grand Bay, Saraland, Bayou La Batre, and Prichard 1038 PM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH NOW IN EFFECT FROM 10 AM CDT WEDNESDAY THROUGH THURSDAY MORNING... The Flash Flood Watch is now in effect for * Portions of southwest Alabama, including the following areas, Mobile Central, Mobile Coastal and Mobile Inland. Portions of southeast Mississippi, including the following areas, George and Stone. * From 10 AM CDT Wednesday through Thursday morning. * An expansive area of showers and thunderstorms is forecast to develop across Louisiana and western Mississippi late tonight through early Wednesday morning and then spread into the watch area on Wednesday. Another round of showers and thunderstorms is forecast to move back into the area again late Wednesday night into Thursday morning. Ground conditions are saturated from last weekend's rainfall. Heavy rainfall amounts will be possible with both rounds of showers and storms Wednesday and Thursday. There remains some uncertainty on where the heaviest rains will fall, so updates to this Flash Flood Watch may become necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ262-264-266-141145- /O.EXT.KMOB.FF.A.0004.210414T1500Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin Inland-Baldwin Central-Baldwin Coastal- Including the cities of Foley, Stockton, Fort Morgan, Spanish Fort, Orange Beach, Fairhope, Bay Minette, Daphne, and Gulf Shores 1038 PM CDT Tue Apr 13 2021 ...FLASH FLOOD WATCH NOW IN EFFECT FROM 10 AM CDT WEDNESDAY THROUGH THURSDAY MORNING... The Flash Flood Watch is now in effect for * A portion of southwest Alabama, including the following areas, Baldwin Central, Baldwin Coastal and Baldwin Inland. * From 10 AM CDT Wednesday through Thursday morning. * An expansive area of showers and thunderstorms is forecast to develop across Louisiana and western Mississippi late tonight through early Wednesday morning and then spread into the watch area on Wednesday. Another round of showers and thunderstorms is forecast to move back into the area again late Wednesday night into Thursday morning. Ground conditions are saturated from last weekend's rainfall. Heavy rainfall amounts will be possible with both rounds of showers and storms Wednesday and Thursday. There remains some uncertainty on where the heaviest rains will fall, so updates to this Flash Flood Watch may become necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
638 WGUS64 KMOB 140948 FFAMOB Flood Watch National Weather Service Mobile AL 448 AM CDT Wed Apr 14 2021 ALZ261-263-265-MSZ078-079-141800- /O.CON.KMOB.FF.A.0004.210414T1500Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Wiggins, Lucedale, Mobile, Citronelle, Dauphin Island, Theodore, Grand Bay, Saraland, Bayou La Batre, and Prichard 448 AM CDT Wed Apr 14 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * Portions of southwest Alabama, including the following areas, Mobile Central, Mobile Coastal and Mobile Inland. Portions of southeast Mississippi, including the following areas, George and Stone. * From 10 AM CDT this morning through Thursday morning. * There are two expected rounds of precipitation. The first will be early today moving as thunderstorms are already forming to the west and will move into interior SE Mississippi and portions of coastal Alabama later today. A second round of rainfall is expected overnight. Rainfall rates could exceed 2 to 3 inches in an hour and ground conditions are very wet. * Flash Flooding from rapid rainfall runoff, mainly during a 1 to 2 hour time period. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ262-264-266-141800- /O.CON.KMOB.FF.A.0004.210414T1500Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin Inland-Baldwin Central-Baldwin Coastal- Including the cities of Foley, Stockton, Fort Morgan, Spanish Fort, Orange Beach, Fairhope, Bay Minette, Daphne, and Gulf Shores 448 AM CDT Wed Apr 14 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * A portion of southwest Alabama, including the following areas, Baldwin Central, Baldwin Coastal and Baldwin Inland. * From 10 AM CDT this morning through Thursday morning. * There are two expected rounds of precipitation. The first will be early today as thunderstorms are already forming to the west and will move into portions of coastal Alabama later today. A second round of rainfall is expected overnight. Rainfall rates could exceed 2 to 3 inches in an hour and ground conditions are very wet. $$
839 WGUS64 KMOB 141711 FFAMOB Flood Watch National Weather Service Mobile AL 1211 PM CDT Wed Apr 14 2021 ALZ261>266-MSZ078-079-150200- /O.CON.KMOB.FF.A.0004.000000T0000Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Baldwin Inland-Mobile Central-Baldwin Central- Mobile Coastal-Baldwin Coastal-Stone-George- Including the cities of Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Wiggins, and Lucedale 1211 PM CDT Wed Apr 14 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * Portions of southwest Alabama and southeast Mississippi, including the following areas, in southwest Alabama, Baldwin Central, Baldwin Coastal, Baldwin Inland, Mobile Central, Mobile Coastal, and Mobile Inland. In southeast Mississippi, George and Stone. * Through Thursday morning * There are two expected rounds of precipitation. The first is ongoing bringing moderate to heavy rainfall over the watch area. A second round of potentially heavy rainfall is expected overnight. Rainfall rates could exceed 2 to 3 inches in an hour and given very wet ground conditions already in place flash flooding remains possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
452 WGUS64 KMOB 150420 FFAMOB Flood Watch National Weather Service Mobile AL 1120 PM CDT Wed Apr 14 2021 ALZ261-263-265-MSZ078-079-151230- /O.CON.KMOB.FF.A.0004.000000T0000Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Mobile Central-Mobile Coastal-Stone-George- Including the cities of Wiggins, Lucedale, Mobile, Citronelle, Dauphin Island, Theodore, Grand Bay, Saraland, Bayou La Batre, and Prichard 1120 PM CDT Wed Apr 14 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY... The Flash Flood Watch continues for * Portions of southwest Alabama, including the following areas, Mobile Central, Mobile Coastal and Mobile Inland. Portions of southeast Mississippi, including the following areas, George and Stone. * Until 10 AM CDT Thursday. * Another round of potentially heavy rainfall will move in late tonight into early Thursday Morning. Given the rainfall over the past several days, heavy rainfall rates could lead to flash flooding across the area. Rainfall rates could exceed 2 to 3 inches in an hour and ground conditions are very wet. * Flash Flooding from rapid rainfall runoff, mainly during a 1 to 2 hour time period. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ262-264-266-151230- /O.CON.KMOB.FF.A.0004.000000T0000Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin Inland-Baldwin Central-Baldwin Coastal- Including the cities of Foley, Stockton, Fort Morgan, Spanish Fort, Orange Beach, Fairhope, Bay Minette, Daphne, and Gulf Shores 1120 PM CDT Wed Apr 14 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY... The Flash Flood Watch continues for * A portion of southwest Alabama, including the following areas, Baldwin Central, Baldwin Coastal and Baldwin Inland. * Until 10 AM CDT Thursday. * Another round of potentially heavy rainfall will move in late tonight into early Thursday Morning. Given the rainfall over the past several days, heavy rainfall rates could lead to flash flooding across the area. Rainfall rates could exceed 2 to 3 inches in an hour and ground conditions are very wet. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Black
687 WGUS64 KMOB 151332 FFAMOB Flood Watch National Weather Service Mobile AL 832 AM CDT Thu Apr 15 2021 ALZ261>266-MSZ078-079-151500- /O.CON.KMOB.FF.A.0004.000000T0000Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Baldwin Inland-Mobile Central-Baldwin Central- Mobile Coastal-Baldwin Coastal-Stone-George- Including the cities of Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Wiggins, and Lucedale 832 AM CDT Thu Apr 15 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... The Flash Flood Watch continues for * Portions of southwest Alabama and southeast Mississippi, including the following areas, in southwest Alabama, Baldwin Central, Baldwin Coastal, Baldwin Inland, Mobile Central, Mobile Coastal, and Mobile Inland. In southeast Mississippi, George and Stone. * Until 10 AM CDT this morning * Heavy rainfall rates could lead to flash flooding across the area. Rainfall rates could exceed 2 to 3 inches in an hour and ground conditions are very wet. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
466 WGUS64 KMOB 151510 FFAMOB Flood Watch National Weather Service Mobile AL 1010 AM CDT Thu Apr 15 2021 ALZ261>266-MSZ078-079-151615- /O.EXP.KMOB.FF.A.0004.000000T0000Z-210415T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mobile Inland-Baldwin Inland-Mobile Central-Baldwin Central- Mobile Coastal-Baldwin Coastal-Stone-George- Including the cities of Foley, Dauphin Island, Wiggins, Orange Beach, Lucedale, Stockton, Fort Morgan, Bay Minette, Mobile, Spanish Fort, Citronelle, Fairhope, Theodore, Grand Bay, Saraland, Bayou La Batre, Daphne, Prichard, and Gulf Shores 1010 AM CDT Thu Apr 15 2021 ...FLASH FLOOD WATCH HAS EXPIRED... The Flash Flood Watch for Portions of southwest Alabama, including the following areas, Baldwin Central, Baldwin Coastal, Baldwin Inland, Mobile Central, Mobile Coastal and Mobile Inland. Portions of southeast Mississippi, including the following areas, George and Stone. has expired. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. An additional flash flood watch may be needed later for Mobile, Stone, and George counties for Friday into Saturday. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 4:37 PM CDT | Special Weather Statement | MOB | Mobile, Washington | 38 min |
| Apr 13, 4:57 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Washington | 63 min |
| Apr 13, 5:18 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 57 min |
| Apr 13, 5:39 PM CDT | Special Marine Warning | MOB | 81 min | |
| Apr 13, 6:09 PM CDT | High Wind Warning | MOB | Baldwin, Escambia, Mobile | 3 hr |
| Apr 13, 6:50 PM CDT | Gale Warning | MOB | 3 hr |
Nearby
Flash Flood Watches in Alabama, 2021Flash Flood Watches in Mississippi, 2021Every flash flood watch in 2021
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.