Alert archive / Florida / Flash Flood Warnings in 2018
Flash Flood Warning 31, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Dec 1, 2018, 6:51 PM CST for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 4 hr. 6 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
- Dec 1, 2018, 6:51 PM CST (00:51 UTC)
- Expired
- Dec 1, 2018, 10:45 PM CST
- In force
- 4 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), 79 km from the middle of the area, began a volume at 00:53 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 |
|---|---|---|---|
| Dec 1, 8:00 PM CST | HEAVY RAIN 6 | 1 Ne Bellview, FL | AT LEAST 6 INCHES OF RAIN HAS FALLEN SO FAR IN THE BELLVIEW AREA TODAY. REPORT VIA SOCIAL MEDIA. |
| Dec 1, 8:06 PM CST | HEAVY RAIN 6.57 | 3 Sw Lillian, AL | MESONET STATION NEAR LILLIAN MEASURED 6.57 INCHES OF RAIN (SO FAR). |
| Dec 1, 8:20 PM CST | HEAVY RAIN 6.17 | 1 Wsw Milton, FL | MESONET STATION NEAR MILTON MEASURED 6.17 INCHES OF RAIN (SO FAR). |
| Dec 1, 8:20 PM CST | HEAVY RAIN 7.76 | 1 N Johnsons Beach, FL | MESONET STATION NEAR JOHNSONS BEACH MEASURED 7.76 INCHES OF RAIN (SO FAR). |
| Dec 1, 8:43 PM CST | HEAVY RAIN 8.3 | 3 Ese Beulah, FL | PERSONAL WEATHER STATION IN THE BEULAH AREA MEASURED 8.3 INCHES OF RAIN (SO FAR). |
| Dec 1, 8:55 PM CST | HEAVY RAIN 9.71 | 3 Nnw Pace, FL | RAIN GAUGE NEAR PACE MEASURED 9.17 INCHES (SO FAR). |
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, 0.9 hours before the alert went out and 214 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
- 1639 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.8
The text
As transmitted.
547
WGUS54 KMOB 020051
FFWMOB
ALC003-FLC033-113-020445-
/O.NEW.KMOB.FF.W.0031.181202T0051Z-181202T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
651 PM CST SAT DEC 1 2018
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Baldwin County in southwestern Alabama...
Central Santa Rosa County in northwestern Florida...
South central Escambia County in northwestern Florida...
* Until 1045 PM CST.
* At 648 PM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 5 to 9 inches of rain have
already fallen. Flash flooding will continue.
* Some locations that will experience flooding include...
Pensacola, Ferry Pass, Brent, West Pensacola, Ensley, Warrington,
Gonzalez, Gulf Shores, Foley, Pace, Milton, Orange Beach, Goulding,
Bagdad, Lillian, Myrtle Grove, Magnolia Springs, Bon Secour,
Summerdale and Perdido Beach.
Additional rainfall amounts of 2 to 4 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 3022 8776 3043 8790 3082 8697 3048 8680
3022 8767
$$1 follow-up statement
266
WGUS74 KMOB 020438
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
1038 PM CST SAT DEC 1 2018
ALC003-FLC033-113-020446-
/O.EXP.KMOB.FF.W.0031.000000T0000Z-181202T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin AL-Santa Rosa FL-Escambia FL-
1038 PM CST SAT DEC 1 2018
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN BALDWIN...CENTRAL SANTA
ROSA AND SOUTH CENTRAL ESCAMBIA COUNTIES WILL EXPIRE AT 1045 PM
CST...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3022 8776 3043 8790 3082 8697 3048 8680
3022 8767
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 6:04 PM CST | River Flood Warning | MOB | Okaloosa | 4 days |
| Dec 1, 6:32 PM CST | Special Weather Statement | MOB | Escambia | 58 min |
| Dec 1, 6:44 PM CST | Special Weather Statement | MOB | Santa Rosa | 76 min |
| Dec 1, 7:36 PM CST | Special Weather Statement | MOB | Escambia, Santa Rosa | 39 min |
| Dec 2, 12:31 AM CST | Areal Flood Advisory | MOB | Okaloosa | 3 hr |
| Dec 2, 1:52 AM CST | Special Weather Statement | MOB | Escambia, Santa Rosa | 38 min |
| Dec 2, 2:13 AM CST | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 47 min |
| Dec 2, 2:24 AM CST | Special Weather Statement | MOB | Okaloosa | 51 min |
| Dec 2, 2:44 AM CST | Flash Flood Warning | MOB | Escambia, Santa Rosa | 3 hr |
| Dec 2, 2:59 AM CST | Special Weather Statement | MOB | Escambia, Santa Rosa | 46 min |
| Dec 2, 3:21 AM CST | Special Weather Statement | MOB | Okaloosa | 39 min |
| Dec 2, 3:53 AM CST | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 3 hr |
| Dec 1, 6:12 PM CST | Special Marine Warning | MOB | 93 min | |
| Dec 1, 7:38 PM CST | Special Marine Warning | MOB | 67 min | |
| Dec 2, 1:06 AM CST | Special Marine Warning | MOB | 54 min | |
| Dec 2, 1:59 AM CST | Special Marine Warning | MOB | 91 min | |
| Dec 2, 2:15 AM CST | Special Marine Warning | MOB | 60 min | |
| Dec 2, 3:15 AM CST | Special Marine Warning | MOB | 60 min | |
| Dec 2, 4:17 AM CST | Special Marine Warning | MOB | 58 min | |
| Dec 2, 4:24 AM CST | Special Marine Warning | MOB | 96 min | |
| Dec 2, 5:12 AM CST | Special Marine Warning | MOB | 63 min | |
| Dec 2, 5:58 AM CST | Special Marine Warning | MOB | 92 min |
Nearby
Flash Flood Warnings in Florida, 2018Flash Flood Warnings in Alabama, 2018Every flash flood warning in 2018
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.