Alert archive / Florida / Tornado Warnings in 2018
Tornado Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Sep 5, 2018, 3:31 AM CDT for Okaloosa County, Florida. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2018, 3:31 AM CDT (08:31 UTC)
- Expired
- Sep 5, 2018, 3:50 AM CDT
- In force
- 19 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 57 km from the middle of the area, began a volume at 08:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 4, 6:51 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.5 hours before the alert went out and 210 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
- 912 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
710
WFUS54 KMOB 050831
TORMOB
FLC091-050900-
/O.NEW.KMOB.TO.W.0019.180905T0831Z-180905T0900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
331 AM CDT WED SEP 5 2018
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Southeastern Okaloosa County in northwestern Florida...
* Until 400 AM CDT.
* At 330 AM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southeast of Destin, moving north at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Destin around 340 AM CDT.
Lake Lorraine around 350 AM CDT.
Eglin AFB and Shalimar around 355 AM CDT.
Niceville and Valparaiso around 400 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3032 8642 3030 8649 3052 8664 3056 8648
TIME...MOT...LOC 0830Z 158DEG 22KT 3034 8647
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$3 follow-up statements
224
WWUS54 KMOB 050835
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
335 AM CDT WED SEP 5 2018
FLC091-050900-
/O.CON.KMOB.TO.W.0019.000000T0000Z-180905T0900Z/
Okaloosa FL-
335 AM CDT WED SEP 5 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
SOUTHEASTERN OKALOOSA COUNTY...
At 335 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Destin, moving northwest at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Eglin AFB, Lake Lorraine and Shalimar around 350 AM CDT.
Niceville and Valparaiso around 355 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3035 8646 3034 8649 3052 8664 3056 8648
TIME...MOT...LOC 0835Z 156DEG 23KT 3037 8649
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$499
WWUS54 KMOB 050845
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
345 AM CDT WED SEP 5 2018
FLC091-050900-
/O.CON.KMOB.TO.W.0019.000000T0000Z-180905T0900Z/
Okaloosa FL-
345 AM CDT WED SEP 5 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR SOUTH
CENTRAL OKALOOSA COUNTY...
At 344 AM CDT, a severe thunderstorm capable of producing a tornado
was located just north of Destin, moving northwest at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Eglin AFB around 350 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3053 8661 3055 8654 3055 8653 3041 8649
3040 8652
TIME...MOT...LOC 0844Z 158DEG 22KT 3043 8652
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$216
WWUS54 KMOB 050850
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
350 AM CDT WED SEP 5 2018
FLC091-050859-
/O.CAN.KMOB.TO.W.0019.000000T0000Z-180905T0900Z/
Okaloosa FL-
350 AM CDT WED SEP 5 2018
...THE TORNADO WARNING FOR SOUTH CENTRAL OKALOOSA COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
LAT...LON 3053 8661 3055 8654 3055 8653 3041 8649
3040 8652
TIME...MOT...LOC 0848Z 158DEG 22KT 3046 8654
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 8:24 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 12 hr |
| Sep 4, 8:31 PM CDT | River Flood Warning | MOB | Escambia | 4 days |
| Sep 4, 9:29 PM CDT | Tornado Warning | MOB | Escambia, Santa Rosa | 31 min |
| Sep 4, 9:55 PM CDT | Tornado Warning | MOB | Santa Rosa | 27 min |
| Sep 4, 10:45 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 12 hr |
| Sep 5, 3:10 AM CDT | Tornado Warning | MOB | Okaloosa, Santa Rosa | 29 min |
| Sep 5, 5:15 AM CDT | Coastal Flood Advisory | MOB | Escambia, Santa Rosa | 9 hr |
| Sep 5, 5:15 AM CDT | High Surf Advisory | MOB | Escambia, Santa Rosa | 9 hr |
| Sep 5, 7:54 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Sep 5, 9:57 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Sep 5, 1:50 PM CDT | Areal Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
Nearby
Tornado Warnings in Florida, 2018Every tornado warning in 2018Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.