Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Jun 21, 2017, 4:33 AM CDT for Okaloosa County, Florida. It was in force for 31 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
- Jun 21, 2017, 4:33 AM CDT (09:33 UTC)
- Expired
- Jun 21, 2017, 5:04 AM CDT
- In force
- 31 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), 68 km from the middle of the area, began a volume at 09:38 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 |
|---|---|---|---|
| Jun 20, 10:24 PM CDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.6 hours before the alert went out and 222 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
- 439 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.8
The text
As transmitted.
093
WFUS54 KMOB 210933
TORMOB
FLC091-211015-
/O.NEW.KMOB.TO.W.0028.170621T0933Z-170621T1015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
433 AM CDT WED JUN 21 2017
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Southern Okaloosa County in northwestern Florida...
* Until 515 AM CDT
* At 432 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Destin, moving northwest at 30 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 445 AM CDT.
Fort Walton Beach, Niceville, Eglin AFB, Valparaiso, Mary Esther,
Lake Lorraine, Ocean City, Shalimar and Cinco Bayou around 500 AM
CDT.
Wright around 505 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3037 8683 3038 8683 3039 8681 3039 8683
3040 8683 3041 8680 3056 8680 3071 8659
3052 8639 3046 8639 3046 8636 3039 8632
3040 8639 3038 8640 3038 8650 3028 8650
3028 8665
TIME...MOT...LOC 0932Z 142DEG 25KT 3031 8643
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Butts2 follow-up statements
785
WWUS54 KMOB 210948
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
448 AM CDT WED JUN 21 2017
FLC091-211015-
/O.CON.KMOB.TO.W.0028.000000T0000Z-170621T1015Z/
Okaloosa FL-
448 AM CDT WED JUN 21 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR SOUTHERN
OKALOOSA COUNTY...
At 448 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Destin, moving northwest at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Fort Walton Beach, Eglin AFB, Lake Lorraine, Ocean City, Shalimar
and Cinco Bayou around 500 AM CDT.
Wright, Niceville and Valparaiso around 505 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
Additional statements will be issued as conditions warrant.
&&
LAT...LON 3037 8683 3038 8683 3039 8681 3039 8683
3040 8683 3041 8680 3056 8680 3071 8659
3053 8640 3045 8642 3042 8644 3038 8645
3038 8650 3037 8650 3038 8661
TIME...MOT...LOC 0948Z 147DEG 24KT 3040 8649
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Butts984
WWUS54 KMOB 211004
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
504 AM CDT WED JUN 21 2017
FLC091-211013-
/O.CAN.KMOB.TO.W.0028.000000T0000Z-170621T1015Z/
Okaloosa FL-
504 AM CDT WED JUN 21 2017
...THE TORNADO WARNING FOR SOUTHERN OKALOOSA COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1000 AM CDT for northwestern
Florida.
Additional statements will be issued as conditions warrant.
LAT...LON 3037 8683 3038 8683 3039 8681 3039 8683
3040 8683 3041 8680 3056 8680 3071 8659
3053 8640 3045 8642 3042 8644 3038 8645
3038 8650 3037 8650 3038 8661
TIME...MOT...LOC 1002Z 142DEG 25KT 3049 8657
$$
ButtsThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 1:56 AM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 12 hr |
| Jun 21, 6:11 AM CDT | Tornado Warning | MOB | Okaloosa | 22 min |
| Jun 21, 6:56 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Jun 21, 8:38 AM CDT | River Flood Warning | MOB | Escambia | 48 hr |
| Jun 21, 8:38 AM CDT | River Flood Warning | MOB | Escambia | 12 days |
| Jun 21, 8:38 AM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 3 days |
| Jun 21, 8:38 AM CDT | River Flood Warning | MOB | Okaloosa | 3 days |
| Jun 21, 12:05 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Jun 21, 12:35 PM CDT | Areal Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 24 hr |
| Jun 21, 2:15 PM CDT | Tornado Warning | MOB | Okaloosa, Santa Rosa | 45 min |
| Jun 21, 2:44 PM CDT | Tornado Warning | MOB | Okaloosa, Santa Rosa | 30 min |
| Jun 21, 2:46 PM CDT | Tornado Warning | MOB | Escambia | 59 min |
| Jun 21, 3:53 PM CDT | Tornado Warning | MOB | Escambia | 52 min |
| Jun 21, 4:17 PM CDT | Tornado Warning | MOB | Escambia | 43 min |
| Jun 21, 5:51 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Jun 21, 6:33 PM CDT | Special Weather Statement | MOB | Escambia | 42 min |
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.