Alert archive / Florida / Flash Flood Warnings in 2021
Flash Flood Warning 33, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jun 19, 2021, 1:50 PM CDT for Okaloosa County, Florida. It was in force for 2 hr. 3 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
- Jun 19, 2021, 1:50 PM CDT (18:50 UTC)
- Expired
- Jun 19, 2021, 4:06 PM CDT
- In force
- 2 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 57 km from the middle of the area, began a volume at 18:52 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 |
|---|---|---|---|
| Jun 19, 3:46 PM CDT | FLASH FLOOD | 1 Ese Fort Walton Beach, FL | CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 1 ESE FORT WALTON BEACH. WATER COVERING ROADWAY AT INTERSECTIONS OF WALTER MARTIN RD NE AND CARSON DR NE. |
| Jun 19, 3:46 PM CDT | FLASH FLOOD | 1 Ese Fort Walton Beach, FL | WATER COVERING ROADWAY OFF WALTER MARTIN RD NE. |
| Jun 19, 3:49 PM CDT | FLASH FLOOD | 1 Se Fort Walton Beach, FL | LAW ENFORCEMENT REPORTS CURRENT FLOODING ON HARBESON AVE SE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.8 hours before the alert went out and 212 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
- 1367 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 747 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted.
207
WGUS54 KMOB 191850
FFWMOB
FLC091-200100-
/O.NEW.KMOB.FF.W.0033.210619T1850Z-210620T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
150 PM CDT Sat Jun 19 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southeastern Okaloosa County in northwestern Florida...
* Until 800 PM CDT Saturday.
* At 150 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 30
minutes. Additional rainfall amounts of 1 to 3 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Wright, Fort Walton Beach, Niceville, Destin, Eglin AFB,
Valparaiso, Mary Esther, Lake Lorraine, Ocean City, Shalimar,
Cinco Bayou, Eglin Village, Postil, Longwood and Seminole.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3059 8659 3058 8639 3040 8639 3038 8639
3039 8668
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 30 MINUTES
$$
Black1 follow-up statement
420
WGUS74 KMOB 192106
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
406 PM CDT Sat Jun 19 2021
FLC091-192116-
/O.CAN.KMOB.FF.W.0033.000000T0000Z-210620T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okaloosa FL-
406 PM CDT Sat Jun 19 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN OKALOOSA
COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
A Flash Flood Watch remains in effect until 600 AM CDT Sunday for
Portions of south central Alabama. Portions of northwest Florida.
LAT...LON 3059 8659 3058 8639 3040 8639 3038 8639
3039 8668
$$
BlackThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 12:05 AM CDT | Special Weather Statement | MOB | Santa Rosa | 40 min |
| Jun 19, 6:24 AM CDT | Tornado Warning | MOB | Escambia | 22 min |
| Jun 19, 6:33 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Jun 19, 7:32 AM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 4 hr |
| Jun 19, 7:33 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 28 min |
| Jun 19, 8:15 AM CDT | Tornado Warning | MOB | Okaloosa | 30 min |
| Jun 19, 8:18 AM CDT | Tornado Warning | MOB | Escambia, Santa Rosa | 31 min |
| Jun 19, 10:30 AM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 5 hr |
| Jun 19, 10:32 AM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 43 min |
| Jun 19, 11:15 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 45 min |
| Jun 19, 12:37 PM CDT | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 3 hr |
| Jun 19, 12:54 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 36 min |
| Jun 19, 3:54 PM CDT | Wind Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 9 hr |
Nearby
Flash Flood Warnings in Florida, 2021Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.