Alert archive / Alabama / Flash Flood Warnings in 2020
Flash Flood Warning 9, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 23, 2020, 10:28 AM CDT for Conecuh County, Covington County, Escambia County, Alabama; Okaloosa County, Florida. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 23, 2020, 10:28 AM CDT (15:28 UTC)
- Expired
- Apr 23, 2020, 1:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Conecuh County, AL, Covington County, AL, Escambia County, AL, Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 80 km from the middle of the area, began a volume at 15:31 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.5 hours before the alert went out and 227 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
- 1318 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 455 m²/s²
- 0-3 km storm-relative helicity
- 663 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
828
WGUS54 KMOB 231528
FFWMOB
ALC035-039-053-FLC091-231830-
/O.NEW.KMOB.FF.W.0009.200423T1528Z-200423T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1028 AM CDT Thu Apr 23 2020
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Eastern Escambia County in south central Alabama...
Southeastern Conecuh County in south central Alabama...
Covington County in south central Alabama...
Northern Okaloosa County in northwestern Florida...
* Until 130 PM CDT.
* At 1026 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 1 to 3 inches of rain have
fallen, and an additional 2 to 3 inches are expected over the next
one to two hours. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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 flooding include...
Crestview, Andalusia, Opp, Florala, Baker, River Falls, Red Level,
Laurel Hill, Lockhart, Heath and Gantt.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3099 8639 3073 8639 3076 8679 3100 8679
3100 8687 3138 8701 3144 8619 3100 8619
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 TO 2 HOURS
$$
JLH1 follow-up statement
665
WGUS74 KMOB 231603
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
1103 AM CDT Thu Apr 23 2020
ALC035-039-053-FLC091-231830-
/O.CON.KMOB.FF.W.0009.000000T0000Z-200423T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Escambia AL-Conecuh AL-Covington AL-Okaloosa FL-
1103 AM CDT Thu Apr 23 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR
EASTERN ESCAMBIA...SOUTHEASTERN CONECUH...COVINGTON AND NORTHERN
OKALOOSA COUNTIES...
At 1102 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 2 to 4 inches of rain have
fallen, with an additional 1 to 2 inches possible in the next hour.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.
Some locations that will experience flooding include...
Andalusia, Opp, Florala, River Falls, Laurel Hill, Lockhart and
Heath.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3083 8639 3081 8679 3100 8679 3100 8687
3126 8697 3144 8619 3100 8619 3099 8639
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
JLHThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 3:37 AM CDT | Special Weather Statement | MOB | Choctaw | 53 min |
| Apr 23, 4:26 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 49 min |
| Apr 23, 4:55 AM CDT | Tornado Warning | MOB | Choctaw, Clarke | 50 min |
| Apr 23, 5:12 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington, Wilcox | 48 min |
| Apr 23, 5:19 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 12 min |
| Apr 23, 5:57 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Clarke, Conecuh, Monroe, Wilcox | 48 min |
| Apr 23, 6:03 AM CDT | Severe Thunderstorm Warning | MOB | Mobile, Washington | 42 min |
| Apr 23, 6:11 AM CDT | Tornado Warning | MOB | Mobile | 34 min |
| Apr 23, 6:41 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 49 min |
| Apr 23, 6:50 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 40 min |
| Apr 23, 7:10 AM CDT | Tornado Warning | MOB | Baldwin, Escambia | 39 min |
| Apr 23, 7:35 AM CDT | Severe Thunderstorm Warning | MOB | Escambia | 55 min |
| Apr 23, 7:41 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 49 min |
| Apr 23, 7:59 AM CDT | Flash Flood Warning | MOB | Baldwin, Mobile, Washington | 3 hr |
| Apr 23, 8:12 AM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Crenshaw, Escambia | 63 min |
| Apr 23, 8:30 AM CDT | Flash Flood Warning | MOB | Escambia | 4 hr |
| Apr 23, 8:38 AM CDT | Tornado Warning | MOB | Covington | 34 min |
| Apr 23, 9:48 AM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 9 hr |
| Apr 23, 10:27 AM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 43 min |
| Apr 23, 11:27 AM CDT | Special Marine Warning | MOB | 93 min | |
| Apr 23, 11:59 AM CDT | Special Marine Warning | MOB | 46 min | |
| Apr 23, 12:32 PM CDT | Areal Flood Warning | MOB | Escambia | 6 hr |
| Apr 23, 12:51 PM CDT | Special Marine Warning | MOB | 114 min | |
| Apr 23, 1:12 PM CDT | Special Marine Warning | MOB | 2 hr | |
| Apr 23, 1:29 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 46 min |
| Apr 23, 1:32 PM CDT | Special Marine Warning | MOB | 88 min | |
| Apr 23, 2:21 PM CDT | Special Marine Warning | MOB | 114 min | |
| Apr 23, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 39 min |
| Apr 23, 4:17 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 43 min |
| Apr 23, 4:26 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 22 min |
| Apr 23, 4:52 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 38 min |
| Apr 23, 10:05 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 2 hr |
| Apr 23, 11:57 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 48 min |
| Apr 23, 12:20 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 40 min |
| Apr 23, 2:13 PM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 47 min |
| Apr 23, 2:28 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 47 min |
| Apr 23, 2:55 PM CDT | Tornado Warning | MOB | Okaloosa | 25 min |
Nearby
Flash Flood Warnings in Alabama, 2020Flash Flood Warnings in Florida, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.