Alert archive / Florida / Tornado Warnings in 2018
Tornado Warning 13, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 22, 2018, 4:31 PM CDT for Okaloosa County, Florida. It was in force for 15 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
- Apr 22, 2018, 4:31 PM CDT (21:31 UTC)
- Expired
- Apr 22, 2018, 4:46 PM CDT
- In force
- 15 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 56 km from the middle of the area, began a volume at 21:34 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 |
|---|---|---|---|
| Apr 22, 2:55 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 265 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
733
WFUS54 KMOB 222131
TORMOB
FLC091-222200-
/O.NEW.KMOB.TO.W.0013.180422T2131Z-180422T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
431 PM CDT SUN APR 22 2018
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Southeastern Okaloosa County in northwestern Florida...
* Until 500 PM CDT.
* At 431 PM CDT, a tornado producing storm was located over Eglin
AFB, moving northeast at 25 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
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 tornadic storm will be near...
Niceville and Valparaiso around 440 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 3045 8653 3048 8663 3070 8659 3063 8639
3058 8639
TIME...MOT...LOC 2131Z 204DEG 21KT 3049 8657
TORNADO...OBSERVED
HAIL...<.75IN
$$2 follow-up statements
653
WWUS54 KMOB 222138
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
438 PM CDT SUN APR 22 2018
FLC091-222200-
/O.CON.KMOB.TO.W.0013.000000T0000Z-180422T2200Z/
Okaloosa FL-
438 PM CDT SUN APR 22 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN OKALOOSA COUNTY...
At 438 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Valparaiso, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Okaloosa County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3049 8652 3052 8662 3070 8659 3064 8642
TIME...MOT...LOC 2138Z 204DEG 21KT 3053 8655
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$909
WWUS54 KMOB 222146
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
446 PM CDT SUN APR 22 2018
FLC091-222156-
/O.CAN.KMOB.TO.W.0013.000000T0000Z-180422T2200Z/
Okaloosa FL-
446 PM CDT SUN APR 22 2018
...THE TORNADO WARNING FOR SOUTHEASTERN 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.
A Tornado Watch remains in effect until 900 PM CDT for northwestern
Florida.
LAT...LON 3049 8652 3052 8662 3070 8659 3064 8642
TIME...MOT...LOC 2146Z 204DEG 21KT 3058 8653
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 12:46 PM CDT | Special Weather Statement | MOB | Santa Rosa | 29 min |
| Apr 22, 1:10 PM CDT | Special Weather Statement | MOB | Santa Rosa | 35 min |
| Apr 22, 1:26 PM CDT | Tornado Warning | MOB | Santa Rosa | 34 min |
| Apr 22, 3:23 PM CDT | Tornado Warning | MOB | Okaloosa | 16 min |
| Apr 22, 3:25 PM CDT | Tornado Warning | MOB | Escambia | 35 min |
| Apr 22, 3:49 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 41 min |
| Apr 22, 4:01 PM CDT | Tornado Warning | MOB | Escambia, Santa Rosa | 29 min |
| Apr 22, 4:08 PM CDT | Tornado Warning | MOB | Okaloosa | 37 min |
| Apr 22, 4:24 PM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 39 min |
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.