Alert archive / Florida / Flash Flood Warnings in 2020
Flash Flood Warning 23, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Sep 15, 2020, 3:35 PM CDT for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 8 hr. 13 reports 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
- Sep 15, 2020, 3:35 PM CDT (20:35 UTC)
- Expired
- Sep 15, 2020, 11:15 PM CDT
- In force
- 8 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 20:38 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 |
|---|---|---|---|
| Sep 15, 6:00 PM CDT | COASTAL FLOOD | 4 Ne Orange Beach, AL | COASTAL FLOODING REPORTED FROM STORM SURGE IN JOSEPHINE, AL. REPORTED FROM SOCIAL MEDIA. AN ESTIMATED 1.5FT BASED ON VIDEO FOOTAGE. |
| Sep 15, 8:07 PM CDT | FLASH FLOOD | 3 E Bon Secour, AL | WATER ENTERING THE FIRST FLOOR OF A BUILDING ON COLONIAL PARKWAY AT COUNTY ROAD 6. ONE PERSON WAS RESCUED AND THE REST OF THE BUILDING WAS EVACUATED. |
| Sep 15, 8:18 PM CDT | COASTAL FLOOD | Warrington, FL | COASTAL FLOODING REPORTED THROUGH SOCIAL MEDIA IN WARRINGTON, FL. |
| Sep 15, 9:18 PM CDT | FLASH FLOOD | Pensacola Nas, FL | 12.71IN OF RAIN MEASURED AT NAS PENSACOLA, FL FROM TRAINED SPOTTER. |
| Sep 15, 10:15 PM CDT | FLOOD | Pensacola Nas, FL | 16.27IN OF RAIN MEASURED AT NAS PENSACOLA. REPORTED BY A TRAINED SPOTTER. |
| Sep 15, 10:52 PM CDT | FLASH FLOOD | 1 Wnw Johnsons Beach, FL | ROAD CLOSURE DUE TO FLOODING: GONGORA DR. ESCAMBIA COUNTY, FL. |
| Sep 15, 10:58 PM CDT | FLASH FLOOD | 1 Nne Pensacola Interna, FL | ROAD CLOSURE DUE TO FLOODING: CAPE TRAFALGAR CT. PENSACOLA, FL. |
| Sep 15, 11:03 PM CDT | FLASH FLOOD | 1 Sse Goulding, FL | ROAD CLOSURE DUE TO FLOODING: DEVILLIERS ST PENSACOLA, FL. |
| Sep 15, 11:04 PM CDT | FLASH FLOOD | 1 E Goulding, FL | ROAD CLOSURE DUE TO FLOODING: N. 6TH AVENUE PENSACOLA, FL. |
| Sep 15, 11:08 PM CDT | FLASH FLOOD | 2 Sse Brownsville, FL | ROAD CLOSURE DUE TO FLOODING: SONIA ST. PENSACOLA, FL. |
| Sep 15, 11:09 PM CDT | FLASH FLOOD | 1 S Goulding, FL | ROAD CLOSURE DUE TO FLOODING: G ST. PENSACOLA, FL. |
| Sep 15, 11:12 PM CDT | FLASH FLOOD | 1 N Pensacola, FL | ROAD CLOSURE DUE TO FLOODING: 17TH AVE PENSACOLA, FL. |
| Sep 15, 11:14 PM CDT | FLASH FLOOD | 1 N East Pensacola Heig, FL | ROAD CLOSURE DUE TO FLOODING: E AVERY PENSACOLA, FL. |
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 12:00Z, 8.6 hours before the alert went out and 218 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
- 717 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
584
WGUS54 KMOB 152035
FFWMOB
ALC003-FLC033-113-160415-
/O.NEW.KMOB.FF.W.0023.200915T2035Z-200916T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
335 PM CDT Tue Sep 15 2020
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Baldwin County in southwestern Alabama...
Southern Escambia County in northwestern Florida...
Southwestern Santa Rosa County in northwestern Florida...
* Until 1115 PM CDT Tuesday.
* At 330 PM CDT, Doppler radar and automated rain gauges indicated
heavy rain falling across the warned area. Between 2 and 5 inches
of rain have fallen. Flash flooding is already occurring.
HAZARD...Flash flooding caused by heavy rain associated with
Hurricane Sally.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Pensacola, Ferry Pass, Brent, West Pensacola, Warrington, Gulf
Shores, Foley, Gulf Breeze, Orange Beach, Goulding, Lillian,
Myrtle Grove, Magnolia Springs, Oriole Beach, Bon Secour, Navarre,
Perdido Beach, Elberta, Pensacola Beach and Navarre Beach.
Additional rainfall amounts of 5 to 10 inches are possible in the
warned area through this evening. Potential rainfall amounts of 20
to 30 inches are possible through Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3021 8804 3026 8803 3028 8776 3043 8793
3052 8717 3053 8710 3054 8704 3054 8698
3055 8691 3040 8686 3037 8685 3026 8752
3022 8780
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
JFP1 follow-up statement
513
WGUS74 KMOB 160047
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
747 PM CDT Tue Sep 15 2020
ALC003-FLC033-113-160415-
/O.CON.KMOB.FF.W.0023.000000T0000Z-200916T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-Escambia FL-Santa Rosa FL-
747 PM CDT Tue Sep 15 2020
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT THIS
EVENING FOR SOUTHEASTERN BALDWIN, SOUTHERN ESCAMBIA AND SOUTHWESTERN
SANTA ROSA COUNTIES...
At 746 PM CDT, Doppler radar and automated rain gauges indicated
that heavy rain was falling across the warned area. Between 6 and 12
inches of rain have fallen. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Doppler radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Pensacola, Ferry Pass, Brent, West Pensacola, Warrington, Gulf
Shores, Foley, Gulf Breeze, Orange Beach, Goulding, Lillian,
Myrtle Grove, Magnolia Springs, Oriole Beach, Bon Secour, Navarre,
Perdido Beach, Elberta, Pensacola Beach and Navarre Beach.
Additional rainfall amounts of 4 to 8 inches are possible in the
warned area through this evening. Potential rainfall totals of 20 to
30 inches are possible through Wednesday.
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.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3021 8804 3026 8803 3028 8776 3043 8793
3052 8717 3053 8710 3054 8704 3054 8698
3055 8691 3040 8686 3037 8685 3026 8752
3022 8780
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
JFPThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 4:36 PM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 7 hr |
| Sep 15, 5:49 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 5 hr |
| Sep 15, 3:17 AM CDT | Special Marine Warning | MOB | 88 min | |
| Sep 15, 4:44 AM CDT | Special Marine Warning | MOB | 91 min | |
| Sep 15, 6:17 AM CDT | Special Marine Warning | MOB | 59 min | |
| Sep 15, 7:32 AM CDT | Special Marine Warning | MOB | 88 min | |
| Sep 15, 9:04 AM CDT | Special Marine Warning | MOB | 61 min | |
| Sep 15, 9:59 AM CDT | Special Marine Warning | MOB | 91 min | |
| Sep 15, 10:51 AM CDT | River Flood Warning | MOB | Escambia | 54 hr |
| Sep 15, 10:52 AM CDT | River Flood Warning | MOB | Covington, Escambia | 21 days |
| Sep 15, 10:55 AM CDT | River Flood Warning | MOB | Covington, Crenshaw, Escambia | 5 days |
| Sep 15, 11:03 AM CDT | River Flood Warning | MOB | Dallas, Monroe, Wilcox | 21 days |
| Sep 15, 11:03 AM CDT | River Flood Warning | MOB | Clarke, Monroe, Wilcox | 21 days |
| Sep 15, 12:14 PM CDT | Special Marine Warning | MOB | 91 min | |
| Sep 15, 1:56 PM CDT | Special Marine Warning | MOB | 94 min | |
| Sep 15, 5:09 PM CDT | Flash Flood Warning | MOB | Mobile | 8 hr |
Nearby
Flash Flood Warnings in Florida, 2020Flash Flood Warnings in Alabama, 2020Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.