Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Oct 8, 2017, 1:18 AM CDT for Okaloosa County, Florida. It was in force for 27 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
- Oct 8, 2017, 1:18 AM CDT (06:18 UTC)
- Expired
- Oct 8, 2017, 1:45 AM CDT
- In force
- 27 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), 69 km from the middle of the area, began a volume at 06:21 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 |
|---|---|---|---|
| Oct 7, 7:05 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 6.3 hours before the alert went out and 223 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
- 738 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
As transmitted.
403
WFUS54 KMOB 080618
TORMOB
FLC091-080645-
/O.NEW.KMOB.TO.W.0065.171008T0618Z-171008T0645Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
118 AM CDT SUN OCT 8 2017
The National Weather Service in Mobile has issued a
* Tornado Warning for...
North central Okaloosa County in northwestern Florida...
* Until 145 AM CDT
* At 118 AM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles south of Crestview, moving north at 50 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
north central 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 3064 8654 3064 8663 3100 8673 3100 8654
3099 8650
TIME...MOT...LOC 0618Z 175DEG 44KT 3069 8659
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$1 follow-up statement
908
WWUS54 KMOB 080637
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
137 AM CDT SUN OCT 8 2017
FLC091-080645-
/O.CON.KMOB.TO.W.0065.000000T0000Z-171008T0645Z/
Okaloosa FL-
137 AM CDT SUN OCT 8 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR NORTH
CENTRAL OKALOOSA COUNTY...
At 135 AM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Baker, or 9 miles north of
Crestview, moving north at 50 mph. A pair of thunderstorms
exhibiting broad rotation have also entered the warned area from the
south and are approaching Crestview, moving north at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Crestview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3064 8654 3064 8663 3100 8673 3100 8654
3099 8650
TIME...MOT...LOC 0635Z 175DEG 43KT 3088 8661
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 9:13 PM CDT | Tornado Warning | MOB | Escambia | 32 min |
| Oct 7, 9:52 PM CDT | Flash Flood Warning | MOB | Escambia | 6 hr |
| Oct 7, 11:01 PM CDT | Flash Flood Warning | MOB | Escambia | 6 hr |
| Oct 7, 11:46 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Oct 8, 12:58 AM CDT | Tornado Warning | MOB | Okaloosa | 32 min |
| Oct 8, 2:06 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 7 hr |
| Oct 8, 3:41 AM CDT | Areal Flood Warning | MOB | Escambia | 6 hr |
| Oct 8, 4:58 AM CDT | Areal Flood Warning | MOB | Escambia | 6 hr |
| Oct 8, 5:37 AM CDT | Areal Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Oct 8, 10:06 AM CDT | River Flood Warning | MOB | Okaloosa | 45 hr |
| Oct 8, 10:14 AM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 63 hr |
| Oct 8, 10:20 AM CDT | High Surf Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 21 hr |
| Oct 8, 11:09 AM CDT | Areal Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
Nearby
Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017
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.